CN210155023U - Colorimetric system of biochemical analyzer - Google Patents
Colorimetric system of biochemical analyzer Download PDFInfo
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- CN210155023U CN210155023U CN201920699780.1U CN201920699780U CN210155023U CN 210155023 U CN210155023 U CN 210155023U CN 201920699780 U CN201920699780 U CN 201920699780U CN 210155023 U CN210155023 U CN 210155023U
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Abstract
The utility model discloses a colorimetric system of a biochemical analyzer, which comprises a light source unit, a motion unit and a colorimetric receiving unit which are arranged in sequence, wherein the light source unit comprises a lamp holder cushion block, a light source lamp, a fixed lamp shade lens bracket, a lens and the like; the motion unit comprises a support, a rotating shaft, a stepping motor, an optocoupler, a seal box, a synchronous pulley, a filter disc, a synchronous belt, a filter and the like, wherein the synchronous pulley is a pinion, and the filter disc is a bull gear; the colorimetric receiving unit comprises a colorimetric pool seat cushion, a first radiating fin, a colorimetric pool seat, a temperature sensor, a receiving plate, a radiating fan, a second radiating fin, a colorimetric pool and the like; the sealed box and the bracket are respectively provided with a light through hole, and the two light through holes are in the same straight line with the light source lamp, the lens, the optical filter and the colorimetric pool. The utility model has the advantages of small number of parts and simple assembly; the structure is reasonable and compact, and the volume is small; the optical filter disc rotates in a low transmission ratio mode, the rotating angle is accurate, and the repeatability is good.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically the utility model relates to a biochemical analyzer colorimetric system that says so.
Background
Currently, biochemical analyzers are very popular as medical instruments, and colorimetric analysis is a main means for biochemical detection of biochemical analyzers, so that a colorimetric system is used as an important core component of the biochemical analyzers, and the quality stability of the colorimetric system is related to the quality of the whole equipment. It can also have a significant impact on the quality of the instruments and reputation of the enterprise.
At present, in the existing colorimetric system, a filter disc is directly driven by a motor, or the filter disc is translated in a guide rail mode. The former has poor angle precision and poor repeatability, and the latter has overlarge volume size and is not compact and unreasonable in structure.
Therefore, it is a research direction of those skilled in the art to develop a colorimetric system of a biochemical analyzer with simple assembly, reasonable and stable structure, and high accuracy.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a biochemical analyzer colorimetric system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a colorimetric system of a biochemical analyzer, which comprises a light source unit, a motion unit and a colorimetric receiving unit which are arranged in sequence,
the light source unit comprises a lamp holder cushion block, a light source lamp and a fixed lampshade covering the light source lamp, the light source lamp is inserted and fixed at the top of the lamp holder cushion block, a lens support is further fixed at the top of the lamp holder cushion block, a lens is mounted on the side face of the lens support, the lens is fixed on the lens support through a lens pressing plate, and the fixed lampshade is fixed above the lens support;
the moving unit comprises a bracket arranged at the bottom, and the lamp holder cushion block is fixed on the bracket; the motion unit also comprises a rotating shaft, a stepping motor, an optocoupler support and a sealing box which is arranged on the support and plays a role in external protection; the optical coupler bracket is provided with an optical coupler for positioning; the stepping motor and the optocoupler support are respectively positioned on two sides of the support, a synchronous belt wheel is mounted on a motor shaft of the stepping motor, an optical filter disc is mounted on the rotating shaft, a synchronous belt is sleeved on the synchronous belt wheel and the optical filter disc together, the synchronous belt wheel is a small gear, and the optical filter disc is a large gear; the optical filter disc is provided with an optical filter, an optical filter pressing plate for fixing the optical filter, a bearing fixedly connected to the rotating shaft and a bearing pressing plate for fixing the bearing, a central through hole connected with the rotating shaft is formed in the central position of the optical filter disc, a plurality of optical filter mounting holes are uniformly formed in the optical filter disc by taking the central through hole as the circle center, and the optical filter is mounted in the hole position of the optical filter mounting hole; a shading sheet is arranged on the optical filter disc;
the colorimetric receiving unit is positioned on one side of the moving unit, provided with the stepping motor, and comprises a colorimetric pool seat cushion, wherein a first radiating fin, a colorimetric pool seat, a temperature sensor, a receiving plate used for receiving signals and a receiving plate cover plate used for protecting the receiving plate are arranged on the colorimetric pool seat cushion;
be equipped with a logical unthreaded hole on one side of seal box, the support is close to colorimetric pond one side is equipped with a logical unthreaded hole, two logical unthreaded hole with the light source lamp lens the light filter the colorimetric pond is on same straight line.
Compared with the existing colorimetric system, the utility model has the advantages of small number of applied parts and simple assembly; the structure is more compact and reasonable, so that the volume of the whole system becomes smaller; the rotation of the optical filter disc adopts a low transmission ratio mode that a pinion drives a bull gear, so that the rotation angle of the optical filter disc is more accurate, and the repeatability is better.
On the basis of the technical scheme, the utility model discloses still can make following improvement:
preferably, the transmission ratio of the synchronous belt wheel to the optical filter disc is 1:7.5, the large gear is driven by the small gear, namely the stepping motor drives the synchronous belt wheel to rotate for one circle, the optical filter disc only realizes 1/7.5-circle rotation, the higher rotation precision of the optical filter disc is realized through lower transmission, and meanwhile, the repeatability of the optical filter disc is greatly improved.
Preferably, the bracket is of an integrally formed structure. The support adopts the mode integrated into one piece of moulding plastics, has size uniformity height, stable in structure's advantage.
Preferably, the top of the lamp holder cushion block is provided with a positioning structure for positioning and fixing the light source lamp. The light source lamp of the light source lamp is inserted and fixed at the top of the lamp holder cushion block, so that the replacement is convenient, and the replacement of the light source lamp by ordinary personnel can be carried out without debugging again due to the existence of the positioning structure, thereby greatly improving the replacement efficiency.
Preferably, the number of the optical filters is 7, and the optical filters are respectively installed in the corresponding installation hole positions of the optical filter disc.
Preferably, the light source lamp is inserted into the top of the lamp holder cushion block and fixed by screws.
Preferably, the lens support is fixed to the top of the lamp holder cushion block through a screw.
Preferably, the fixed lamp cover is fixed above the lens support through screws.
Preferably, a refrigerating sheet is arranged between the first radiating sheet and the colorimetric pool base, and the colorimetric receiving unit is further helped to radiate heat on the basis of the first radiating sheet, the second radiating sheet and the radiating fan.
Known via foretell technical scheme, compare with prior art, the utility model discloses a biochemical analyzer colorimetric system has following beneficial effect:
(1) this system constitutes and each specific mounted position between structure through the structure of rational design light source unit, motion unit and color comparison receiving unit, has not only reduced the quantity of constituteing the part greatly, makes the assembly of color comparison system become simpler, but also lets entire system's structure become compacter, and the volume becomes littleer, can not occupy too much space.
(2) Among the light source unit of this system, insert the light source lamp and establish and fix at lamp stand cushion top and fix through hand screw, the top of lamp stand cushion still further is provided with the location structure of the fixed light source lamp in location moreover, like location step, positioning groove etc. this structural design not only makes the light source lamp change more convenient, location structure makes the light source lamp need not debug once more when changing in addition, need not professional technical staff, ordinary people alright change, improved change efficiency greatly.
(3) The optical filter disc rotates in a low transmission ratio mode, namely, the synchronous belt wheel of the pinion drives the optical filter disc of the bull gear to rotate through the stepping motor, so that the rotating speed is reduced to a certain degree, the angle accuracy of the optical filter disc is greatly improved, the measurement accuracy is guaranteed, and the optical filter disc has the advantage of good repeatability.
(4) The bracket is integrally formed in an injection molding mode, and is high in size consistency and stable in structure.
(5) The system has wide application range and can be used for medical equipment such as biochemical analyzers and the like or other industrial equipment.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of the overall structure of a colorimetric system of a biochemical analyzer according to the present invention.
Fig. 2 is a schematic structural diagram of a light source unit according to the present invention.
Fig. 3 is a schematic structural diagram of a motion unit provided by the present invention.
Fig. 4 is a schematic structural diagram of the colorimetric receiving unit according to the present invention.
Wherein, in the figure,
100-a light source unit, the light source unit,
101-lamp holder cushion block, 102-light source lamp, 103-fixed lamp shade, 104-lens support, 105-lens, 106-lens pressing plate, 107-screw;
200-a unit of movement of the device,
201-support, 202-rotating shaft, 203-stepping motor, 204-optical coupler support, 205-seal box, 206-synchronous pulley, 207-optical filter disc, 208-synchronous belt, 209-optical filter, 210-optical filter pressing plate, 211-bearing, 212-bearing pressing plate, 213-shading sheet and 214-optical coupler;
300-a colorimetric receiving unit for receiving the sample,
301-colorimetric pool seat cushion, 302-first cooling fin, 303-colorimetric pool seat, 304-temperature sensor, 305-receiving plate, 306-receiving plate cover plate, 307-cooling fan, 308-second cooling fin, 309-colorimetric pool, 310-colorimetric pool pressure plate and 311-refrigerating plate.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1, the embodiment of the present invention discloses a colorimetric system of a biochemical analyzer, comprising a light source unit 100, a motion unit 200, and a colorimetric receiving unit 300, which are sequentially disposed, wherein the light source unit 100, the motion unit 200, and the colorimetric receiving unit 300 are fixedly connected by screws, wherein,
as shown in fig. 2, the light source unit 100 includes a socket block 101, a light source lamp 102, and a fixing lamp housing 103 covering the light source lamp 102, the light source lamp 102 is inserted into the top of the socket block 101 and fixed by a screw 107, a lens support 104 is fixed to the top of the socket block 101, a lens 105 is mounted on a side surface of the lens support 104, the lens 105 is fixed to the lens support 104 by a lens pressing plate 106, and the fixing lamp housing 103 is fixed to the top of the lens support 104.
As shown in fig. 3, the moving unit 200 includes a bracket 201 provided at the bottom, and the socket block 101 is fixed to the bracket 201 by screws. The motion unit 200 further comprises a rotating shaft 202 mounted on the bracket 201, a stepping motor 203, an opto-coupler bracket 204 and a sealed box 205 for protecting the outside. The optocoupler support 204 is provided with an optocoupler 214 for positioning; the stepping motor 203 and the optocoupler support 204 are respectively positioned at two sides of the support 201, a synchronous belt pulley 206 is mounted on a motor shaft of the stepping motor 203, a filter disc 207 is mounted on the rotating shaft 202, a synchronous belt 208 is sleeved on the synchronous belt pulley 206 and the filter disc 207 together, the synchronous belt pulley 206 is a small gear, and the filter disc 207 is a large gear; the optical filter disc 207 is provided with an optical filter 209, an optical filter pressing plate 210 for fixing the optical filter 209, a bearing 211 fixedly connected to the rotating shaft 202 and a bearing pressing plate 212 for fixing the bearing 211, a central through hole connected with the rotating shaft 202 is arranged at the central position of the optical filter disc 207, a plurality of optical filter mounting holes are uniformly formed in the optical filter disc 207 by taking the central through hole as the circle center, and the optical filter 209 is mounted in the hole position of the optical filter mounting hole; the filter disc 207 is further provided with a light shielding sheet 213, and the light shielding sheet 213 functions as: when the filter disc 207 rotates, it rotates together with it, and when the filter disc rotates to the position of the optical coupler 214, the optical coupler 214 senses the light shielding plate 213, and at this time, the stepping motor 203 stops rotating and uses it as the original zero position.
As shown in fig. 4, the colorimetric receiving unit 300 is located on one side of the moving unit 200 where the stepping motor 203 is installed, and includes a colorimetric pool seat cushion 301, the colorimetric pool seat cushion 301 is installed with a first heat sink 302, a colorimetric pool seat 303, a temperature sensor 304, a receiving plate 305 for receiving signals, and a receiving plate cover plate 306 for protecting the receiving plate 305, the first heat sink 302 is fixed with a heat dissipation fan 307 and a second heat sink 308, and the colorimetric pool seat 303 is internally installed with a colorimetric pool 309 and a colorimetric pool pressure plate 310 for fixing the colorimetric pool 309;
one side of the sealing box 205 is provided with a light through hole, one side of the bracket 201 close to the cuvette is provided with a light through hole, and the two light through holes are positioned on the same straight line with the light source lamp 102, the lens 105, the optical filter 209, the cuvette 309 and the photocell (not shown in the figure).
To further optimize the above solution, the transmission ratio of the timing pulley 206 to the filter disc 207 is 1: 7.5.
In order to further optimize the above technical solution, the bracket 201 is integrally formed by injection molding.
In order to further optimize the above technical solution, a positioning structure for positioning the light source lamp 102 is disposed on the top of the lamp holder cushion block 101, and the positioning structure may be a step, a groove, or a positioning structure disclosed in other prior arts.
In order to further optimize the above technical solution, the number of the optical filters 209 is preferably 7, and the 7 optical filters 209 are respectively installed in the corresponding installation hole positions of the optical filter disc 207.
In order to further optimize the above technical solution, the light source lamp 102 is inserted into the top of the socket block 101 and fixed by screws. The lens holder 104 is fixed to the top of the socket block 101 by screws. The fixed lamp housing 103 is fixed above the lens holder 104 by screws.
In order to further optimize the technical scheme, a refrigerating sheet 311 for assisting in heat dissipation is arranged between the first heat dissipation sheet 302 and the colorimetric pool base 303.
The utility model discloses a concrete theory of operation does:
the utility model relates to a biochemical analyzer colorimetric system during operation, panchromatic light that light source lamp 102 sent is at first got up the whole gathering of light through lens 105, then the light of gathering passes through the logical unthreaded hole on the seal box 205 and forms monochromatic light via light filter 209 effect back beam split on the light filter dish 207, later monochromatic light gets into colorimetric pool 309 through the logical unthreaded hole on the support 201, be equipped with in the colorimetric pool 309 and wait to detect the liquid sample, monochromatic beam shines the sample by survey in the colorimetric pool 309, through being surveyed the sample and to the absorption of light energy, convert light signal into corresponding signal of telecommunication by the photocell, this signal is through enlargeing, the rectification, and convert into digital signal, send into computer system.
In addition, in the prior art, the lens 105 is located behind the light splitting system of the moving unit 200, so that the full-color light is in a dispersed state before entering the moving unit 200, and therefore, only a part of the light can be split by the optical filter 209, so that a large part of light energy is lost, the intensity of the light of the single-color light entering the color cell 309 at a later stage becomes low, and the accuracy of the final detection result is directly affected. In the present application, the lens 105 is placed in front of the moving unit 200, and the full color light emitted from the light source lamp 102 will be collected by the lens 105, so that the light energy will not be lost too much in the initial stage, and the accuracy of the detection result will be greatly improved virtually.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A colorimetric system of a biochemical analyzer comprises a light source unit, a motion unit and a colorimetric receiving unit which are arranged in sequence,
the light source unit comprises a lamp holder cushion block, a light source lamp and a fixed lampshade covering the light source lamp, the light source lamp is inserted and fixed at the top of the lamp holder cushion block, a lens support is further fixed at the top of the lamp holder cushion block, a lens is mounted on the side face of the lens support, the lens is fixed on the lens support through a lens pressing plate, and the fixed lampshade is fixed above the lens support;
the moving unit comprises a bracket arranged at the bottom, and the lamp holder cushion block is fixed on the bracket; the motion unit also comprises a rotating shaft, a stepping motor, an optocoupler support and a sealing box which is arranged on the support and plays a role in external protection; the optical coupler bracket is provided with an optical coupler; the stepping motor and the optocoupler support are respectively positioned on two sides of the support, a synchronous belt wheel is mounted on a motor shaft of the stepping motor, an optical filter disc is mounted on the rotating shaft, a synchronous belt is sleeved on the synchronous belt wheel and the optical filter disc together, the synchronous belt wheel is a small gear, and the optical filter disc is a large gear; the optical filter disc is provided with an optical filter, an optical filter pressing plate for fixing the optical filter, a bearing fixedly connected to the rotating shaft and a bearing pressing plate for fixing the bearing, a central through hole connected with the rotating shaft is formed in the central position of the optical filter disc, a plurality of optical filter mounting holes are uniformly formed in the optical filter disc by taking the central through hole as the circle center, and the optical filter is mounted in the hole position of the optical filter mounting hole; a shading sheet is arranged on the optical filter disc;
the colorimetric receiving unit is positioned on one side of the moving unit, provided with the stepping motor, and comprises a colorimetric pool seat cushion, wherein a first radiating fin, a colorimetric pool seat, a temperature sensor, a receiving plate used for receiving signals and a receiving plate cover plate used for protecting the receiving plate are arranged on the colorimetric pool seat cushion;
be equipped with a logical unthreaded hole on one side of seal box, the support is close to colorimetric pond one side is equipped with a logical unthreaded hole, two logical unthreaded hole with the light source lamp lens the light filter the colorimetric pond is on same straight line.
2. The biochemical analyzer colorimetric system according to claim 1, wherein: the transmission ratio of the synchronous belt wheel to the filter disc is 1: 7.5.
3. the biochemical analyzer colorimetric system according to claim 1, wherein: the support is of an integrally formed structure.
4. The biochemical analyzer colorimetric system according to claim 1, wherein: and a positioning structure for positioning the light source lamp is arranged at the top of the lamp holder cushion block.
5. The biochemical analyzer colorimetric system according to claim 1, wherein: the number of the optical filters is 7, and the optical filters are respectively installed in the corresponding installation hole positions of the optical filter disc.
6. The biochemical analyzer colorimetric system according to claim 1, wherein: the light source lamp is inserted into the top of the lamp holder cushion block and fixed through screws.
7. The biochemical analyzer colorimetric system according to claim 1, wherein: the lens support is fixed to the top of the lamp holder cushion block through screws.
8. The biochemical analyzer colorimetric system according to claim 1, wherein: the fixed lampshade is fixed above the lens support through screws.
9. The biochemical analyzer colorimetric system according to claim 1, wherein: and a refrigerating sheet is arranged between the first radiating sheet and the colorimetric pool seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920699780.1U CN210155023U (en) | 2019-05-16 | 2019-05-16 | Colorimetric system of biochemical analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920699780.1U CN210155023U (en) | 2019-05-16 | 2019-05-16 | Colorimetric system of biochemical analyzer |
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| Publication Number | Publication Date |
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| CN210155023U true CN210155023U (en) | 2020-03-17 |
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| CN201920699780.1U Active CN210155023U (en) | 2019-05-16 | 2019-05-16 | Colorimetric system of biochemical analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325997A (en) * | 2021-11-24 | 2022-04-12 | 中国航空工业集团公司洛阳电光设备研究所 | Ultra-narrow band optical filter temperature control configuration with wide temperature range and accurate temperature control and installation and adjustment method thereof |
-
2019
- 2019-05-16 CN CN201920699780.1U patent/CN210155023U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325997A (en) * | 2021-11-24 | 2022-04-12 | 中国航空工业集团公司洛阳电光设备研究所 | Ultra-narrow band optical filter temperature control configuration with wide temperature range and accurate temperature control and installation and adjustment method thereof |
| CN114325997B (en) * | 2021-11-24 | 2023-10-27 | 中国航空工业集团公司洛阳电光设备研究所 | Ultra-narrow band filter temperature control configuration with wide temperature range and accurate temperature control and assembling and adjusting method thereof |
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