CN217033578U - Optical system for biochemical analyzer - Google Patents
Optical system for biochemical analyzer Download PDFInfo
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- CN217033578U CN217033578U CN202220193566.0U CN202220193566U CN217033578U CN 217033578 U CN217033578 U CN 217033578U CN 202220193566 U CN202220193566 U CN 202220193566U CN 217033578 U CN217033578 U CN 217033578U
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Abstract
The utility model provides an optical system used in a biochemical analyzer, which comprises a detection light path and a light source light path, wherein the light source light path comprises a first shell arranged on the bottom surface of a mounting plate and a light source arranged in the first shell, the top surface of the mounting plate is connected with an angle mirror through a support, so that light emitted by the light source is incident into the detection light path through a reflection working surface of the angle mirror, the detection light path comprises a grating and a photoelectric detector which are arranged in a second shell and a cuvette arranged between the second shell and the angle mirror, the grating and the photoelectric detector are oppositely arranged in the second shell, and the working surface of the grating faces the angle mirror, so that the light reflected by the reflection working surface of the angle mirror can be split onto the photoelectric detector through the grating. The technical problem of the prior art that when the working space structure is narrow and small, the direction of light source emission and the direction of receiving can not be on the same axis, the inspection end can not receive all light rays emitted by the light source is solved.
Description
Technical Field
The utility model relates to the technical field of optical systems, in particular to an optical system used in a biochemical analyzer.
Background
The full-automatic biochemical analyzer is an instrument for measuring a certain specific chemical component in body fluid according to the photoelectric colorimetric principle, has become the most important clinical equipment due to high measuring speed, high accuracy and small reagent consumption, is mainly used for carrying out biochemical analysis on various body fluids such as blood, urine and the like of a human body and measuring data so as to provide scientific basis for doctors to diagnose and determine the state of illness of patients, and is widely used in hospitals at all levels, epidemic prevention stations and family planning service stations at present.
The conventional full-automatic biochemical analyzer whose optical system employs a front spectroscopic system is being phased out. The light path of the conventional biochemical analyzer of the rear spectroscopic system generally adopts a wedge-shaped light beam to pass through a reaction cuvette, and then disperses polychromatic light into different wavelengths on a photometer through components such as a focusing mirror, a slit and the like.
In the prior art, in order to ensure the detection effect of the full-automatic biochemical analyzer, the direction of light source emission and the direction of receiving are generally arranged on one axis, so that the inspection end can receive all light rays emitted by the light source, but under certain conditions, if the inspection end is limited by a narrow working structure space, the direction of light source emission and the direction of receiving cannot be on one axis, and a light angle adjusting device is lacked, so that the inspection end cannot receive all light beams emitted by the light source, and the detection stability and reliability of the biochemical analyzer are reduced.
SUMMERY OF THE UTILITY MODEL
Based on this, the present invention provides an optical system for a biochemical analyzer, which is provided with an angle mirror for adjusting light path light between a light source light path and a detection light path, so as to solve the technical problem in the prior art that when the optical system is limited by a narrow working space structure and the emitting direction and the receiving direction of a light source are not on the same axis, a test end cannot receive all light beams emitted by the light source.
In order to achieve the above object, the present invention adopts the following technical scheme, wherein an optical system used in a biochemical analyzer comprises a mounting frame and a mounting plate connected to one side of the mounting frame, wherein a detection light path is arranged on the mounting frame, and a light source light path is arranged on the mounting plate;
the light source light path comprises a first shell and a light source arranged in the first shell, the first shell is arranged on the bottom surface of the mounting plate, the top surface of the mounting plate is connected with an angle mirror through a support, the angle mirror and the mounting plate are obliquely arranged, and the angle mirror is communicated with the light source, so that light rays emitted by the light source are emitted into the detection light path through a reflection working surface of the angle mirror;
the detection light path includes the second casing, sets up inside grating and the photoelectric detector of second casing and sets up the second casing with cell between the angle mirror, the second casing is located the mounting bracket is kept away from the one side of first casing, the grating with photoelectric detector sets up relatively inside the second casing, so that pass through light that the reflection working face reflection of angle mirror comes can pass through the grating beam split arrives on the photoelectric detector.
As a further scheme of the present invention, the light source optical path further includes a first lens, the first lens is disposed inside the first housing and located between the light source and the corner mirror, the light source and the first lens are located on an incident axis of the corner mirror, and the first lens focuses a light beam emitted from the light source and then irradiates the focused light beam onto a reflection working surface of the corner mirror.
As a further aspect of the present invention, the detection optical path further includes a second lens, the second lens is disposed on the second housing and located between the grating and the cuvette, the second lens, and the grating are located on an exit axis of the corner mirror, and the second lens is configured to focus light rays that are refracted from the reflection working surface of the corner mirror and pass through the cuvette, and strike the grating.
As a further aspect of the present invention, the incidence axis of the angle mirror of the light source optical path is perpendicular to the emission axis of the angle mirror of the detection optical path, and an included angle between the angle mirror and the mounting plate is 45 °.
As a further aspect of the present invention, the first lens and the second lens are quartz lenses.
As a further scheme of the utility model, a circuit box is arranged on one surface of the mounting frame, which is far away from the second shell, and the circuit box is used for collecting electric signals of the photoelectric detector and transmitting the electric signals to an upper system.
As a further aspect of the present invention, a cylinder is disposed on a side wall of the second housing, the cylinder is located on a side of the second housing close to the corner mirror, the cylinder is used for communicating the grating and the corner mirror, and the second lens is located inside the cylinder.
Above-mentioned an optical system for among biochemical analyzer is used for adjusting the light between light source light path and the detection light path through the angle mirror for light source light path and detection light path can not be on same axis, have avoided light source light path and detection light path to be subject to the narrow and small condition that can't normally work in space. The utility model discloses a set up the light path that the light path is detected to the light source, set up the installation panel on the installation panel, the installation panel has the angle mirror that the slope set up through leg joint, sets up the light source on the axis of penetrating of angle mirror working face, sets up cell and grating on the axis of penetrating of angle mirror working face to change the angle that the light source sent the light beam through the angle mirror, make the light beam can refract to detect in the light path. The technical problem of among the prior art, when the working structure space appears narrow and small, when the direction of light source transmission and the direction of receiving were not on same axis the condition, photoelectric detector can't receive the whole light of light source transmission is solved.
Drawings
FIG. 1 is a sectional view of a structure in a first embodiment of the present invention;
FIG. 2 is an overall structural view in a second embodiment of the present invention;
description of the main element symbols:
| light |
10 | |
20 |
| |
30 | |
101 |
| |
102 | |
103 |
| |
201 | |
202 |
| |
203 | |
204 |
| |
40 | |
50 |
| |
60 | |
70 |
| |
80 | Cylinder | 205 |
The following detailed description will further illustrate the utility model in conjunction with the above-described figures.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
Referring to fig. 1, an optical system for use in a biochemical analyzer according to a first embodiment of the present disclosure is shown, including a mounting frame 40, a mounting plate 50 connected to one side of the mounting frame 40, a light source light path 10, a detection light path 20, and an angle mirror 30, where the light source light path 10 is disposed on the mounting plate 50, the detection light path 20 is disposed on the mounting frame 40, and light emitted from the light source light path 10 is incident into the detection light path 20 through a reflection working surface of the angle mirror 30;
specifically, the light source light path includes a first housing 101, a light source 102 and a first lens 103, the first housing 101 is disposed on the bottom surface of the mounting board 50, the light source 102 and the first lens 103 are disposed inside the first housing 101, the corner mirror 30 is mounted on a surface of the mounting board 50 away from the first housing 101 through the bracket 60, the first lens 103 is located between the light source 102 and the corner mirror 30, and the corner mirror 30 is communicated with the first housing 101;
that is, the first housing 101 is used to protect the light source 102 and the first lens 103 from being damaged or affected by external force, and then the light emitted from the light source 102 is incident on the corner mirror 30, wherein the light emitted from the light source 102 is focused by the first lens 103 and then incident on the reflective working surface of the corner mirror 30, thereby improving the benefit efficiency of the light emitted from the light source.
Specifically, the detection optical path includes a first housing 201, a cuvette (not shown), a second lens 202, a grating 203, and a photodetector 204, the second housing 201 is disposed on a surface of the mounting frame 40 facing the corner mirror 30, the grating 203 and the photodetector 204 are disposed inside the second housing 201 in an opposite manner, a working surface of the grating 203 faces the corner mirror 30, a working surface of the photodetector 204 faces the grating 203, a cylinder 205 is connected to an outer wall of the second housing 201, the cylinder 205 is located between the second housing 201 and the corner mirror 30, and the second lens 202 is located inside the cylinder 205;
that is, the second housing 201 is used to protect the grating 203 and the photodetector 204 and prevent external force from damaging or affecting the same, the light refracted through the working surface of the corner mirror 30 passes through the cuvette, the second lens 202, the grating 203 and the photodetector 204 in sequence, wherein the refracted light is focused by the second lens 202 to improve the light utilization efficiency, the focused light is split by the grating 203, the split light is refracted on the photodetector 204, the split light is converted into an electrical signal by the photodetector 204, and further, a circuit box 70 is disposed on a surface of the mounting bracket 40 away from the second housing 201 to collect the electrical signal of the photodetector 204 and transmit the electrical signal to an upper system.
In the present embodiment, the incidence axis of the corner mirror 30 of the light source optical path is perpendicular to the emission axis of the corner mirror 30 of the detection optical path, the included angle between the corner mirror 30 and the mounting plate 20 is 45 °, and in other embodiments, the degree of the included angle between the corner mirror 30 and the mounting plate 20 is 180 ° minus the degree of the included angle formed by the incidence axis of the corner mirror 30 of the light source optical path and the emission axis of the corner mirror 30 of the detection optical path, and then divided by half.
Above-mentioned an optical system for among biochemical analyzer is used for adjusting the light between light source light path and the detection light path through the angle mirror for light source light path and detection light path can not be on same axis, have avoided light source light path and detection light path to be subject to the narrow and small condition that can't normally work in space. The utility model discloses a set up the light path that the light path is detected to the light source, set up the installation panel on the installation panel, the installation panel has the angle mirror that the slope set up through leg joint, sets up the light source on the axis of penetrating of angle mirror working face, sets up cell and grating on the axis of penetrating of angle mirror working face to change the angle that the light source sent the light beam through the angle mirror, make the light beam can refract to detect in the light path. The technical problem of among the prior art, when the working structure space appears narrow and small, when the direction of light source transmission and the direction of receiving were not on same axis the condition, photoelectric detector can't receive the whole light of light source transmission is solved.
Example two
Referring to fig. 2, an optical system for use in a biochemical analyzer in a second embodiment of the present application is shown, and the optical system for use in a biochemical analyzer in the present embodiment is different from the optical system for use in a biochemical analyzer in the first embodiment described above in that:
in this embodiment, a micrometer screw 80 is disposed above the second housing 201 for adjusting the position of the photodetector 204, the photodetector 204 is connected to the micrometer screw 80, the photodetector 204 is slidably connected to the inside of the second housing 201, and the user should adjust the position of the photodetector 204 through the micrometer screw 80 according to the actual working condition to achieve the best conversion effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the utility model, and these changes and modifications are all within the scope of the utility model. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. An optical system used in a biochemical analyzer is characterized by comprising a mounting frame and a mounting plate connected to one side of the mounting frame, wherein a detection light path is arranged on the mounting frame, and a light source light path is arranged on the mounting plate;
the light source light path comprises a first shell and a light source arranged in the first shell, the first shell is arranged on the bottom surface of the mounting plate, the top surface of the mounting plate is connected with an angle mirror through a support, the angle mirror and the mounting plate are obliquely arranged, and the angle mirror is communicated with the light source, so that light emitted by the light source is emitted into the detection light path through a reflection working surface of the angle mirror;
the detection light path includes the second casing, sets up inside grating and the photoelectric detector of second casing and setting are in the second casing with cell between the corner mirror, the second casing is located the mounting bracket is kept away from the one side of first casing, the grating with photoelectric detector sets up relatively inside the second casing, just the working face of grating faces the corner mirror, so that pass through the light that the reflection working face reflection of corner mirror comes can pass through the grating beam split arrives on the photoelectric detector.
2. The optical system of claim 1, wherein the light source further comprises a first lens, the first lens is disposed inside the first housing and between the light source and the corner mirror, the light source and the first lens are disposed on an incident axis of the corner mirror, and the first lens focuses a light beam emitted from the light source and then irradiates the light beam onto a reflective working surface of the corner mirror.
3. The optical system of claim 2, wherein the detection optical path further includes a second lens disposed on the second housing and located between the grating and the cuvette, the second lens, and the grating are located on an exit axis of the cube-corner, and the second lens is configured to focus light rays refracted by the reflective working surface of the cube-corner and passing through the cuvette and onto the grating.
4. The optical system of claim 3, wherein the angle mirror incidence axis of the source optical path is perpendicular to the angle mirror emission axis of the detection optical path, and the angle mirror forms an angle of 45 ° with the mounting plate.
5. The optical system of claim 4, wherein the first and second lenses are quartz lenses.
6. The optical system of claim 1, wherein a circuit box is disposed on a side of the mounting frame away from the second housing, and the circuit box is used for collecting electrical signals of the photodetector and transmitting the electrical signals to an upper system.
7. The optical system of claim 3, wherein the side wall of the second housing is provided with a cylinder, the cylinder is located on one side of the second housing close to the corner mirror, the cylinder is used for communicating the grating with the corner mirror, and the second lens is located inside the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220193566.0U CN217033578U (en) | 2022-01-23 | 2022-01-23 | Optical system for biochemical analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220193566.0U CN217033578U (en) | 2022-01-23 | 2022-01-23 | Optical system for biochemical analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217033578U true CN217033578U (en) | 2022-07-22 |
Family
ID=82449205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220193566.0U Active CN217033578U (en) | 2022-01-23 | 2022-01-23 | Optical system for biochemical analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217033578U (en) |
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2022
- 2022-01-23 CN CN202220193566.0U patent/CN217033578U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221009 Address after: 330000 No. 555, Gaoxin Avenue, Nanchang high tech Industrial Development Zone, Jiangxi Province Patentee after: Tecom Science Corp. Address before: No. a605-a606, 6th floor, building a, Huafeng International Robot Industrial Park, Hangcheng Avenue, Nanchang community, Xixiang street, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN TEKANG BIOLOGICAL ENGINEERING CO.,LTD. |
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| TR01 | Transfer of patent right |