CN214374266U - Liquid particle detector - Google Patents
Liquid particle detector Download PDFInfo
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- CN214374266U CN214374266U CN202022193557.5U CN202022193557U CN214374266U CN 214374266 U CN214374266 U CN 214374266U CN 202022193557 U CN202022193557 U CN 202022193557U CN 214374266 U CN214374266 U CN 214374266U
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Abstract
The utility model discloses a liquid particle detector, including flow cell and camera lens shell, flow cell and camera lens shell pass through a plurality of screw fixed connection, countersunk screw fixedly connected with block A is passed through to the one end that the camera lens shell was kept away from to the flow cell, install the receiving circuit board through the fixed plate in the block A, countersunk screw fixedly connected with block B is passed through to the one end that the flow cell was kept away from to the camera lens shell. The beneficial effects are that: the laser pressure seat is connected with the lens seat through threads, so that the distance between the lens and the cylindrical lens can be adjusted, the light intensity of a laser light source can be improved on the basis of the original power, and the requirement of high-power light intensity can be met by using a low-power laser light source; by adopting the quartz slit glass, the detection area can be effectively ensured on the premise of increasing the liquid flow rate, so that the detection speed can be ensured, and the detection accuracy can be ensured.
Description
Technical Field
The utility model relates to a detect technical field, especially relate to a liquid particle detector.
Background
In the prior art, an LED light source or a deuterium lamp or tungsten lamp light source is generally adopted, the service life of the LED light source is long, but the intensity is not enough, so that the detection precision is influenced. The deuterium lamp or tungsten lamp has enough light source intensity, but has a short service life, generally about 2000 hours. The laser light source can have a lifetime of 2-5 years and the light source intensity is greater than that of the LED. The original light path is focused by a light source and a single group of lens, and the utilization rate of the light source cannot be effectively improved. This design has adopted 2 groups of lens lenses to carry out the light path and has adjusted, can effectual promotion light source intensity like this to reduce light source power, promote light source life. Original detection flow-through cell adopts the column passageway, and the light source shines can the product deflect, leads to the detection accuracy not enough, and this time scheme adopts the design of quartz glass slit, becomes the plane with the detection face to the planarization, and the effectual reduction, the scattering and the refraction of light path have effectively promoted the detection precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a liquid particle detector, which connects the laser pressure seat with the lens seat by screw thread, can realize the adjustment of the distance between the lens and the cylindrical lens, and can ensure that the laser light source improves the light intensity on the basis of the original power, thus the low-power laser light source can be used to meet the requirement of high-power light intensity; by adopting the quartz slit glass, the detection area can be effectively ensured on the premise of increasing the liquid flow rate, so that the detection speed can be ensured, and the detection accuracy can be ensured.
The technical scheme of the utility model is realized like this:
the utility model provides a liquid particle detector, includes flow cell and camera lens shell, flow cell and camera lens shell are through a plurality of screw fixed connection, the one end that the camera lens shell was kept away from to the flow cell is through countersunk screw fixedly connected with block A, install receiving circuit board through the fixed plate in the block A, the one end that the flow cell was kept away from to the camera lens shell is through countersunk screw fixedly connected with block B, the flow cell includes along the first flow cell and the second flow cell of the radial symmetrical arrangement of camera lens shell, first, two flow cells are linked together through quartz slit glass, first, two flow cells are provided with the adapter that is linked together with quartz slit glass through the sealing washer in, be provided with the detection mechanism who shines to flow liquid in the quartz slit glass in the camera lens shell.
Further, the detection mechanism presses the seat including the laser that is close to block B one end setting, threaded connection has the lens mount on the seat is pressed to the laser, install the laser instrument on the seat is pressed to the laser, the cylindrical mirror is installed through the cylindrical mirror seat to the one end of keeping away from block B in the camera lens shell, the one end that the camera lens shell is close to the circulation pond is provided with the light source passageway A that is linked together with the cylindrical mirror seat, the one end that light source passageway A kept away from the cylindrical mirror seat offsets with quartz slit glass.
Furthermore, a lens seat is connected to the lens seat through threads, and a lens is mounted on the lens seat.
Further, the cylindrical mirror comprises a cylindrical mirror A and a cylindrical mirror B, and the cylindrical mirror A and the cylindrical mirror B are arranged in a crisscross and overlapped mode.
Further, a light source channel B matched with the light source channel A is arranged in the cap A, the light source channel A and the light source channel B are symmetrically arranged relative to the quartz slit glass, the central lines of the light source channel A and the light source channel B are overlapped, and one end, far away from the quartz slit glass, of the light source channel B is connected with the receiving circuit board.
Further, adapter female connection has the coupling that is linked together with quartz slit glass, be provided with the feed liquor hole in the coupling, the downthehole sample needle that can insert of feed liquor.
The utility model has the advantages that:
(1) the laser pressure seat is in threaded connection with the lens seat, so that the distance between the lens and the cylindrical mirror can be adjusted, the light intensity of the laser light source can be improved on the basis of the original power, and the requirement of high-power light intensity can be met by using a low-power laser light source.
(2) Can be with original prototype facula distortion for cross facula, reach the increase of light source area to prevent assembly structure decentraction, the light intensity that leads to reduces.
(3) By adopting the quartz slit glass, the detection area can be effectively ensured on the premise of increasing the liquid flow rate, so that the detection speed can be ensured, and the detection accuracy can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a liquid particle detector;
FIG. 2 is a schematic diagram of a liquid particle detector;
fig. 3 is a schematic diagram of the cylindrical mirror a and the cylindrical mirror B.
In the figure:
1. a flow-through cell; 2. a liquid inlet hole; 3. a first flow-through cell; 4. a cap B; 5. a second flow-through cell; 6. a lens housing; 7. a seal ring; 8. an adapter; 9. a pipe joint; 10. a sampling needle; 11. a cap A; 12. receiving a circuit board; 13. a fixing plate; 14. a cylindrical lens base; 15. a cylindrical mirror; 151. a cylindrical mirror A; 152. a cylindrical mirror B; 16. a lens; 17. a lens mount; 18. a laser; 19. pressing a base by laser; 20. quartz slit glass; 21. a light source channel B; 22. a light source channel A; 23. a lens holder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
According to an embodiment of the present invention, a liquid particle detector is provided.
Referring to fig. 1 to 3, a liquid particle detector according to an embodiment of the present invention, includes a flow cell 1 and a lens housing 6, the flow cell 1 is fixedly connected with the lens shell 6 through a plurality of screws, one end of the flow cell 1 far away from the lens shell 6 is fixedly connected with a cover cap A11 through a sunk screw, a receiving circuit board 12 is arranged in the cap A11 through a fixing plate 13, one end of the lens shell 6 far away from the flow cell 1 is fixedly connected with a cap B4 through a sunk screw, the flow cell 1 comprises a first flow cell 3 and a second flow cell 5 arranged radially and symmetrically along a lens housing 6, the first two-flow through tank 3, 5 are communicated through quartz slit glass 20, the adapter 8 communicated with the quartz slit glass 20 is arranged in the first two-flow through tank 3, 5 through a sealing ring 7, the lens housing 6 is provided with a detection mechanism for irradiating the quartz slit glass 20 with flowing liquid.
Further, detection mechanism presses seat 19 including the laser that is close to cap B4 one end setting, threaded connection has lens mount 17 on the laser presses seat 19, install laser 18 on the laser presses seat 19, the one end of keeping away from cap B4 in the lens shell 6 is passed through cylindrical mirror seat 14 and is installed cylindrical mirror 15, the one end that lens shell 6 is close to flow cell 1 is provided with the light source passageway A22 that is linked together with cylindrical mirror seat 14, the one end that cylindrical mirror seat 14 was kept away from to light source passageway A22 offsets with quartz slit glass 20.
Further, a lens seat 23 is connected to the lens seat 17 through a screw thread, and a lens 16 is mounted on the lens seat 23.
Further, the cylindrical mirror 15 includes a cylindrical mirror a151 and a cylindrical mirror B152, and the cylindrical mirror a151 and the cylindrical mirror B152 are stacked in a crisscross manner.
Further, a light source channel B21 matched with the light source channel A22 is arranged in the cap A11, the light source channel A22 and the light source channel B21 are symmetrically arranged relative to the quartz slit glass 20, the central line of the light source channel A22 is overlapped with the central line of the light source channel B21, and one end, away from the quartz slit glass 20, of the light source channel B21 is connected with the receiving circuit board 12.
Further, adapter 8 female connection has the coupling 9 that is linked together with quartz slit glass 20, be provided with feed liquor hole 2 in the coupling 9, can insert in feed liquor hole 2 and have sample needle 10.
Specifically, a laser 18 is arranged to emit a laser light source, the light source passes through a lens 16 and a cylindrical mirror 15 to enlarge the light spot of the laser light source and ensure that the light emitted by the light source is in the horizontal direction, then the light source is irradiated to the surface of a quartz slit glass 20 through a light source channel A22, the laser is received by a receiving circuit board 12 through a light source channel B21, and data collection and analysis are carried out according to the absorbance of the laser. Wherein, the detection liquid is transmitted by the sampling needle 10 inserted into the liquid inlet hole 2, passes through the quartz slit glass 20, and then flows out from the pipe joint 9 at the other end.
The laser pressure seat 19 is connected with the lens seat 17 through threads, so that the distance between the lens 16 and the cylindrical lens 15 can be adjusted, the light intensity of a laser light source can be improved on the basis of the original power, and the requirement of high power light intensity can be met by using a low-power laser light source; the original prototype light spot can be distorted into a cross-shaped light spot, so that the area of the light source is increased, and the reduction of light intensity caused by the non-concentricity of an assembly structure is prevented; by adopting the quartz slit glass 20, the detection area can be effectively ensured on the premise of increasing the liquid flow rate, so that the detection speed can be ensured, and the detection accuracy can be ensured.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The liquid particle detector is characterized by comprising a flow cell (1) and a lens shell (6), wherein the flow cell (1) is fixedly connected with the lens shell (6) through a plurality of screws, one end of the flow cell (1), far away from the lens shell (6), is fixedly connected with a cap A (11) through a countersunk screw, a receiving circuit board (12) is installed in the cap A (11) through a fixing plate (13), one end of the lens shell (6), far away from the flow cell (1), is fixedly connected with a cap B (4) through the countersunk screw, the flow cell (1) comprises a first flow cell (3) and a second flow cell (5) which are radially and symmetrically arranged along the lens shell (6), the first flow cell (3) and the second flow cell (5) are communicated through quartz slit glass (20), an adapter (8) communicated with the quartz slit glass (20) is arranged in the first flow cell (3) and the second flow cell (5) through a sealing ring (7), and a detection mechanism which irradiates the flowing liquid in the quartz slit glass (20) is arranged in the lens shell (6).
2. The liquid particle detector according to claim 1, wherein the detection mechanism comprises a laser pressure seat (19) disposed near one end of the cap B (4), the laser pressure seat (19) is screwed with a lens seat (17), a laser (18) is mounted on the laser pressure seat (19), a cylindrical lens (15) is mounted on one end of the lens housing (6) far away from the cap B (4) through the cylindrical lens seat (14), a light source channel a (22) communicated with the cylindrical lens seat (14) is disposed at one end of the lens housing (6) near the flow cell (1), and one end of the light source channel a (22) far away from the cylindrical lens seat (14) abuts against the quartz slit glass (20).
3. A liquid particle detector as claimed in claim 2, wherein said lens holder (17) is threadedly connected to a lens holder (23), and said lens holder (23) is mounted with a lens (16).
4. The detector according to claim 2, wherein the cylindrical mirror (15) comprises a cylindrical mirror A (151) and a cylindrical mirror B (152), and the cylindrical mirror A (151) and the cylindrical mirror B (152) are disposed in a criss-cross manner.
5. The liquid particle detector as claimed in claim 2, wherein a light source channel B (21) is disposed in the cap A (11) and is matched with the light source channel A (22), the light source channel A (22) and the light source channel B (21) are symmetrically arranged about the quartz slit glass (20), the center line of the light source channel A (22) and the center line of the light source channel B (21) coincide, and one end of the light source channel B (21) far away from the quartz slit glass (20) is connected with the receiving circuit board (12).
6. The liquid particle detector as claimed in claim 1, wherein a pipe joint (9) communicated with the quartz slit glass (20) is connected to the inner thread of the adapter (8), a liquid inlet hole (24) is arranged in the pipe joint (9), and a sampling needle (10) can be inserted into the liquid inlet hole (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193557.5U CN214374266U (en) | 2020-09-30 | 2020-09-30 | Liquid particle detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193557.5U CN214374266U (en) | 2020-09-30 | 2020-09-30 | Liquid particle detector |
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| Publication Number | Publication Date |
|---|---|
| CN214374266U true CN214374266U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022193557.5U Active CN214374266U (en) | 2020-09-30 | 2020-09-30 | Liquid particle detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557311A (en) * | 2020-09-30 | 2021-03-26 | 安徽北研科仪仪器有限公司 | Liquid particle detector and detection method |
-
2020
- 2020-09-30 CN CN202022193557.5U patent/CN214374266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557311A (en) * | 2020-09-30 | 2021-03-26 | 安徽北研科仪仪器有限公司 | Liquid particle detector and detection method |
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