CN210720120U - Light adjusting device and chemiluminescence immunoassay appearance - Google Patents
Light adjusting device and chemiluminescence immunoassay appearance Download PDFInfo
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- CN210720120U CN210720120U CN201920810740.XU CN201920810740U CN210720120U CN 210720120 U CN210720120 U CN 210720120U CN 201920810740 U CN201920810740 U CN 201920810740U CN 210720120 U CN210720120 U CN 210720120U
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- light adjusting
- fixing plate
- rack
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Abstract
The utility model is suitable for the field of medical appliances, and provides a light adjusting device and a chemiluminescence immunoassay analyzer, wherein the light adjusting device is provided with a base; a fixed plate mounted on the base; the light adjusting plate is movably assembled with the fixed plate, a plurality of adjusting parts with different light sensitivity are distributed on the light adjusting plate, and the switching between the different adjusting parts is realized by controlling the relative movement of the fixed plate and the light adjusting plate; the driving mechanism is in driving connection with the light adjusting plate; the drive mechanism includes: a rotating electric machine; a gear provided on the rotating motor; a rack meshed with the gear, and a light adjusting plate fixedly connected with one end of the rack. The embodiment of the utility model provides a rotating electrical machines drive gear is rotatory, and the gear drives the rack and removes for light regulating plate can with fixed plate relative motion, compact structure, and power drive is reliable, distance that can the accurate control rack remove.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a light adjusting device and chemiluminescence immunoassay appearance.
Background
Chemiluminescence Labeled Immunoassay (CLIA) is an immunoassay method in which an antigen or an antibody is directly labeled with a chemiluminescent agent. The chemiluminescent immunoassay analyzer comprises two parts, a chemiluminescent assay system and an immunoreaction system. The chemiluminescence analysis system is characterized in that chemiluminescence substances are catalyzed by a catalyst and oxidized by an oxidant to form an excited intermediate, when the excited intermediate returns to a stable ground state, photons are emitted at the same time, and the quantum yield of light is measured by a luminescence signal measuring instrument. The immunoreaction system is to mark luminous matter directly on antigen/antibody or mark enzyme on antigen/antibody for immunoreaction, and the enzyme on the immunoreaction complex is used as luminous substrate.
Chemiluminescence immunoassay analyzers use photomultiplier tubes (PMTs) to detect light signals. In order to adjust the light entering the PMT and increase the linear range of the PMT, a light adjustment device including a plurality of adjustment hole locations is required to adjust the light entering the PMT by blocking and filtering the light, thereby blocking or attenuating the light. However, the driving mechanism for driving the light adjusting plate is often not compact enough, resulting in a large overall size of the device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a light adjusting device aims at solving among the current light adjusting device that the actuating mechanism who is used for driving the light regulating plate is compact inadequately, leads to the great problem of device volume.
The utility model discloses a realize like this, a light adjusting device, include: a base; a fixing plate mounted on the base; the light adjusting plate is movably assembled with the fixing plate, a plurality of adjusting parts with different light sensitivity are distributed on the light adjusting plate, and switching between different adjusting parts is realized by controlling the relative movement of the fixing plate and the light adjusting plate; the driving mechanism is in driving connection with the light adjusting plate; the drive mechanism includes: a rotating electric machine; a gear provided on the rotating motor; and one end of the rack is fixedly connected with the light adjusting plate.
Furthermore, a cavity is formed in the base, and the rack is arranged in the cavity.
Furthermore, the light ray adjusting device further comprises an optical coupling plate on one side of the base, and the rack shields the optical signal transmitted by the optical coupling plate when in the initial position.
Still further, the fixing plate includes: a light through hole formed in the fixing plate; the light adjusting plate is clamped between the two elastic abutting parts and is movably assembled with the fixed plate; and the vertical abutting parts are connected between the elastic abutting parts at two sides of the fixed plate.
Furthermore, the elastic abutting part is concave towards the bottom wall of the base and protrudes out of the surface of the fixing plate.
Furthermore, a through groove is formed in the bottom wall of the elastic abutting part along the length direction of the fixing plate.
Furthermore, offer the confession on the base the mounting groove of fixed plate installation, follow on the both sides inner wall that the mounting groove is relative the spout has been seted up to the mounting groove length direction, outward flange department of fixed plate toward keeping away from the center direction of fixed plate still extends to inlay and establishes the portion, and inlays and establish in the spout.
Furthermore, the vertical abutting portion is an arc shape which is connected with the elastic abutting portion and is high at two sides and low in the middle, and the middle of the vertical abutting portion abuts against the light adjusting plate.
The utility model also provides a chemiluminescence immunoassay appearance, include light adjusting device.
The utility model discloses the beneficial effect who reaches: the embodiment of the utility model provides a rotating electrical machines drive gear is rotatory, and the gear drives the rack and removes for light regulating plate can with fixed plate relative motion, compact structure, and power drive is reliable, distance that can the accurate control rack remove.
Drawings
Fig. 1 is a perspective view of an embodiment of the light ray adjusting device of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a split perspective view of an embodiment of the light ray adjusting device of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
fig. 5 is a perspective view of the driving mechanism of the present invention;
fig. 6 is a perspective view of an embodiment of a fixing plate of the light adjusting device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a set up the fixed plate, and set up elasticity in the fixed plate both sides and support tight portion, support at elasticity and set up vertical tight portion of supporting between the tight portion, the utility model discloses a through set up elasticity in the fixed plate both sides and support tight portion, support the light regulating plate between tight portion and exert certain elasticity packing force to lieing in both sides elasticity, make the light regulating plate can follow the elasticity of fixed plate and support the directional removal of tight portion, and simultaneously, vertical tight portion gives light regulating plate vertical pressure, can not take place vertical skew when making the light regulating plate remove, and then make the light regulating plate be difficult for rocking at the in-process of switching the hole site, guarantee the light and adjust the precision.
Example one
As shown in fig. 1-6, the utility model provides a light adjusting device for chemiluminescence immunoassay appearance includes:
a base 1;
a fixing plate 2 mounted on the base 1;
the light adjusting plate 3 is movably assembled with the fixing plate 2, a plurality of adjusting parts 31 with different light sensitivity are distributed on the light adjusting plate 3, and switching between the different adjusting parts 31 is realized by controlling the relative movement of the fixing plate 2 and the light adjusting plate 3;
the fixing plate 2 includes:
a light through hole 25 formed in the fixing plate;
elastic abutting parts 21 arranged at two sides of the fixing plate 2, and the light adjusting plate 3 is clamped between the two elastic abutting parts 21 and movably assembled with the fixing plate 2; and
and the vertical abutting parts 24 are connected between the elastic abutting parts 21 at two sides of the fixed plate 2.
Specifically, the light passing hole 25 is disposed on the vertical abutting portion 24, the light adjusting device is used for controlling the light signal entering the optical signal detector of the chemiluminescence immunoassay analyzer, and the adjusting portion 31 is a hole with different photosensitivities.
The optical signal detector generally adopts a photon counting type photomultiplier tube and is used for detecting weak chemiluminescent signals generated by chemiluminescent immunoreactions. The photomultiplier is located below the base 1, and the photosensitive surface of the photomultiplier faces the light through hole 25 of the light adjusting device. The upper part of the light through hole 25 of the fixing plate 2 is opposite to the chemiluminescence window. A plurality of switching hole positions including a shielding position, a full-pass position and a filter position are reserved on a light adjusting plate 3 of the light adjusting device. When the photomultiplier does not work, the light ray adjusting device is switched to a shielding position; switching to a full pass position or a filter position when measuring the chemiluminescence signal; a neutral density optical filter is placed at the optical filter position, and if the optical signal is strong, the optical filter position is switched to attenuate the optical signal so as to expand the linear range of the photomultiplier. The switching of the multi-hole positions of the light adjusting device is automatically realized by the control of a stepping motor, and a gear is arranged on an output shaft of the stepping motor and acts on a gear at the lower part of the light adjusting plate 3 to drive the light adjusting plate 3 to slide back and forth.
The utility model discloses in, through the position of adjusting light regulating plate 3, carry out the hole site and switch, can adjust the switching to the light signal that gets into photomultiplier.
According to the embodiment of the utility model, the elastic abutting parts 21 are arranged on the two sides of the fixed plate 2, and a certain elastic pressing force is applied to the light adjusting plate 3 positioned between the elastic abutting parts 21 on the two sides, so that the light adjusting plate 3 can directionally move along the elastic abutting parts 21 of the fixed plate 2; meanwhile, the vertical pressing part 24 gives vertical pressure to the light adjusting plate 3, so that the light adjusting plate 3 cannot vertically shift when moving, the light adjusting plate 3 is not prone to shaking in the hole position switching process, and light adjusting precision is guaranteed.
Example two
In the present embodiment, the elastic pressing portion 21 is recessed toward the bottom wall of the base 1 and protrudes from the surface of the fixing plate 2.
In this embodiment, the elastic pressing portion 21 is bent to be "U" shaped, and the bending of the elastic pressing portion 21 is utilized to form an elastic pressing force on the light-adjusting plate 3; the elastic abutting part 21 protrudes out of the surface of the fixing plate 2, so that the light adjusting plate 3 can be fixed and pressed between the elastic abutting parts 21 on the two sides conveniently, the elastic abutting part 21 can apply elastic pressing force to the light adjusting plate 3 conveniently, and the movement of the light adjusting plate 3 can be guided conveniently.
EXAMPLE III
In this embodiment, the bottom wall of the elastic fastening portion 21 is provided with a through groove 22 along the length direction of the fixing plate 2.
In this embodiment, the through groove 22 is formed in the length direction of the elastic fastening portion 21, so that the connection area between the elastic fastening portion 21 and the base 1 can be effectively reduced, the friction force between the elastic fastening portion and the base 1 is reduced, and the fixing plate 2 can be conveniently inserted into the base 1 and connected and fixed with the base 1.
Example four
In this embodiment, offer the mounting groove 11 that supplies the installation of fixed plate 2 on the base 1, seted up spout 12 along mounting groove 11 length direction on the both sides inner wall that mounting groove 11 is relative, the outward flange department of fixed plate 2 still extends toward the central direction of keeping away from fixed plate 2 and inlays and establish portion 23 to inlay and establish in spout 12.
In this embodiment, the embedding portions 23 on both sides of the fixing plate 2 are inserted into the depth direction of the mounting groove 11 from the outside of the mounting groove 11 along the sliding groove 12, so that the elastic abutting portion 21 and the vertical abutting portion 24 of the fixing plate 2 are accommodated in the mounting groove 11, a baffle is disposed at a position of the sliding groove 12 close to one end of the outside of the mounting groove 11, and the embedding portions 23 can be fixedly connected to the sliding groove 12 through the baffle, so that the fixing plate 2 is fixedly mounted in the mounting groove 11; the installation groove 11 is arranged, so that the fixing plate 2 can be effectively and fixedly installed on the base 1, and the stability of the light ray adjusting device is improved; be equipped with spout 12, be convenient for inlay the portion 23 of establishing of inlaying of fixed plate 2 and establish in spout 12, can further increase the steadiness of fixed plate 2 on base 1, it is simple convenient.
EXAMPLE five
In this embodiment, the vertical abutting portion 24 is an arc shape having two high sides and a low middle portion connected to the elastic abutting portion 21, and the middle portion of the vertical abutting portion 24 abuts against the light adjusting plate 3.
In this embodiment, vertical portion 24 of supporting is towards the crooked middle part of light regulating plate 3 direction and its crooked and is contradicted with light regulating plate 3, and vertical portion of supporting is sunken to light regulating plate 3 direction for vertical portion of supporting can apply the vertical packing force of elasticity to light regulating plate 3, can effectively play the fixed action to light regulating plate 3, but is unlikely to the too big removal that leads to light regulating plate 3 card to die influence light regulating plate 3 of the vertical packing force of elasticity. The vertical abutting part is made of elastic materials or thin steel sheets.
Optionally, the vertical abutting portion 24 is a thin plate connected between the two elastic abutting portions 21 to separate the light adjusting plate 3 from the chemiluminescence window.
EXAMPLE six
In this embodiment, the light adjusting device further includes a driving mechanism 4 in driving connection with the light adjusting plate 3, and the driving mechanism 4 is used for driving the light adjusting plate 3 and the fixing plate 2 to move relatively.
In this embodiment, through the effect of actuating mechanism 4, can simple effectual pulling light regulating plate 3 for light regulating plate 3 is for fixed plate 2 back and forth movement, thereby realizes the switching between different regulating parts 31, and is simple convenient. Specifically, the driving mechanism 4 comprises a stepping motor, a cylinder or any one of power parts of a screw rod assembly and a connecting shaft which is connected between the power part and the light adjusting plate 3 and is convenient for the power part to drive the light adjusting plate 3; through the effect of the connecting shaft, the power part drives the light adjusting plate 3 to move, so that different adjusting parts 31 are selected.
EXAMPLE seven
In the present embodiment, the drive mechanism 4 includes:
a rotating electric machine 41;
a gear 42 provided on the rotating electric machine 41;
and the rack 43 is meshed with the gear 42, and one end of the rack 43 is fixedly connected with the light adjusting plate 3.
Optionally, one end of the rack 43 is fixedly connected to the light adjusting plate 3 through a positioning screw 431, and the rack 43 and the light adjusting plate 3 are detachably disposed.
The control module controls the rotating motor 41, after the rotating motor 41 is started, the rotating shaft drives the gear 42 to rotate, the gear 42 drives the rack 43 to move due to the fact that the gear 42 is meshed with the rack 43, and the rack 43 drives the light adjusting plate 3 to move back and forth relative to the fixing plate 2 due to the fact that the rack 43 is fixedly connected with the light adjusting plate 3.
Through the cooperation mode of gear 42 and rack 43, than motor direct drive light regulating plate 3, the structure is more compact, and the volume is also littleer to, along with gear 42's rotation, each teeth of a cogwheel on gear 42 and each dentate on the rack 43 rub each other, power drive is more reliable, can also be through adjusting the mutually supporting of the teeth of a cogwheel and dentate, the realization is to the accurate control that rack 43 removed, realizes the accurate control that light regulating plate 3 removed promptly.
Example eight
In this embodiment, the base 1 has a cavity 13, and the rack 43 is disposed in the cavity 13.
The rack 43 can move in the cavity 13 to drive the light adjusting plate 3 to move back and forth relative to the fixing plate 2, and the cavity 13 plays a role in guiding the rack.
Example nine
In this embodiment, the light ray adjusting device further includes a light coupling plate 44 disposed on one side of the base 1, and the light emitting portion 441 of the light coupling plate 44 continuously emits a light signal toward the light receiving portion 442.
When the rack 43 is located at the initial position, that is, the rack 43 does not drive the light adjusting plate 3 to move, the rack 43 is located between the light emitting portion 441 and the receiving portion 442, and blocks the light signals transmitted between the light emitting portion 441 and the receiving portion 442, the optical coupling plate 44 sends a driving signal to the control module, and the control module controls the rotating motor 41 to rotate, so that the rack 43 moves along with the rotating signal.
It should be noted that, after the control module controls the rotating motor 41 to rotate by a preset amount, the control module continues to control the rotating motor 41 to rotate reversely by a preset amount, so that the rotating motor 41 drives the rack 43 to return to the initial position.
Example ten
In this embodiment, the utility model also provides a chemiluminescence immunoassay appearance, including the light adjusting device in the above-mentioned embodiment.
The utility model discloses an adjust the position of light regulating plate 3, carry out the hole site and switch, can adjust the switching to the light signal that gets into photomultiplier. And through set up elasticity in fixed plate 2 both sides and support tight portion 21, and support the effect of tight portion 21 at elasticity, apply certain elastic pressing force to the light regulating plate 3 that is located between the tight portion 21 of both sides elasticity support, make light regulating plate 3 can support tight portion 21 directional removal along the elasticity of fixed plate 2, and simultaneously, vertical tight portion 24 gives light regulating plate 3 vertical pressure, can not take place vertical skew when making light regulating plate 3 remove, and then make light regulating plate 3 difficult for rocking at the in-process of switching the hole site, guarantee the light and adjust the precision.
The utility model applies a certain elastic pressing force to the light adjusting plate 3 between the elastic tight parts 21 at the two sides by arranging the elastic tight parts 21 at the two sides of the fixed plate 2 and applying the certain elastic pressing force to the light adjusting plate 3 between the elastic tight parts 21 at the two sides, so that the light adjusting plate 3 can move directionally along the elastic tight parts 21 of the fixed plate 2; meanwhile, the vertical abutting part 24 gives vertical pressure to the light adjusting plate 3, so that the light adjusting plate 3 cannot vertically shift when moving, the light adjusting plate 3 is not easy to shake in the hole position switching process, and the light adjusting precision is ensured; the elastic abutting part 21 protrudes out of the surface of the fixing plate 2, so that the light adjusting plate 3 can be fixed and pressed between the elastic abutting parts 21 on the two sides conveniently, the elastic abutting part 21 can apply elastic pressing force to the light adjusting plate 3 conveniently, and the movement of the light adjusting plate 3 can be guided conveniently; the installation groove 11 is arranged, so that the fixing plate 2 can be effectively and fixedly installed on the base 1, and the stability of the light ray adjusting device is improved; the sliding groove 12 is arranged, so that the embedding part 23 of the fixing plate 2 is conveniently embedded in the sliding groove 12, and the stability of the fixing plate 2 on the base 1 can be further improved; in addition, the gear 42 and the rack 43 are provided on the driving mechanism 4, and the light adjusting plate 3 is driven to move by the way that the gear 42 drives the rack 43 to move.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A light conditioning device, comprising:
a base;
a fixing plate mounted on the base;
the light adjusting plate is movably assembled with the fixing plate, a plurality of adjusting parts with different light sensitivity are distributed on the light adjusting plate, and switching between different adjusting parts is realized by controlling the relative movement of the fixing plate and the light adjusting plate;
the driving mechanism is in driving connection with the light adjusting plate;
the drive mechanism includes:
a rotating electric machine;
a gear provided on the rotating motor;
and one end of the rack is fixedly connected with the light adjusting plate.
2. A light conditioning unit according to claim 1, wherein said base defines a cavity, and said rack is disposed in said cavity.
3. A light adjustment device as claimed in claim 1, further comprising an optical coupling plate on one side of the base, wherein the rack blocks the optical signal transmitted by the optical coupling plate when in the initial position.
4. A light conditioning unit as claimed in any one of claims 1 to 3, wherein the fixing plate comprises:
a light through hole formed in the fixing plate;
the light adjusting plate is clamped between the two elastic abutting parts and is movably assembled with the fixed plate; and
and the vertical abutting parts are connected between the elastic abutting parts at two sides of the fixed plate.
5. The light conditioning device of claim 4, wherein the resilient abutment portion is recessed toward the bottom wall of the base and protrudes from the surface of the retaining plate.
6. The light adjusting device of claim 5, wherein the bottom wall of the elastic abutting portion is provided with a through groove along the length direction of the fixing plate.
7. The light adjusting device as claimed in claim 1, wherein the base has a mounting groove for mounting the fixing plate, the mounting groove has a sliding groove along a length direction of the mounting groove on two opposite inner walls of the mounting groove, and the fixing plate further has an embedding portion extending from an outer edge of the fixing plate in a direction away from a center of the fixing plate and embedded in the sliding groove.
8. The light ray adjusting device of claim 4, wherein the vertical abutting portion is an arc shape with two high sides and a low middle portion connected with the elastic abutting portion, and the middle portion of the vertical abutting portion abuts against the light ray adjusting plate.
9. A chemiluminescent immunoassay analyzer comprising a light modulating device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920810740.XU CN210720120U (en) | 2019-05-31 | 2019-05-31 | Light adjusting device and chemiluminescence immunoassay appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920810740.XU CN210720120U (en) | 2019-05-31 | 2019-05-31 | Light adjusting device and chemiluminescence immunoassay appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210720120U true CN210720120U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920810740.XU Active CN210720120U (en) | 2019-05-31 | 2019-05-31 | Light adjusting device and chemiluminescence immunoassay appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210720120U (en) |
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2019
- 2019-05-31 CN CN201920810740.XU patent/CN210720120U/en active Active
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