CN214584917U - Optical signal detection device - Google Patents
Optical signal detection device Download PDFInfo
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- CN214584917U CN214584917U CN202120212273.8U CN202120212273U CN214584917U CN 214584917 U CN214584917 U CN 214584917U CN 202120212273 U CN202120212273 U CN 202120212273U CN 214584917 U CN214584917 U CN 214584917U
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 230000003287 optical effect Effects 0.000 title claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005375 photometry Methods 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000012123 point-of-care testing Methods 0.000 description 7
- 238000002038 chemiluminescence detection Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses an optical signal detection device, which comprises an installation component, a first installation component and a second installation component; the transmission mechanism is arranged on the second mounting piece; the transmission mechanism drives the shutter to move back and forth; the sealing piece is inserted in the first mounting hole and is provided with a light measuring hole; and a light measuring component which is vertically corresponding to the light measuring hole. The utility model has the advantages that the shutter is arranged between the first installation part and the second installation part, the photometric component is arranged on the second installation part, the transmission mechanism is arranged on the second installation part, and the whole structure is compact and the volume is small; and can be with on the sealing member of reaction cup card dress on first installed part during the detection, make it enclose into a darkroom with first installed part, photometry components and parts, the structure is ingenious, and need not to arrange the photometry of reaction cup inside can realizing the reaction cup in the detecting instrument.
Description
Technical Field
The utility model belongs to the technical field of the instantaneous detection and specifically relates to an optical signal detection device for chemiluminescence detection instrument is related to.
Background
At present, the majority of the chemiluminescent immune instruments in the market are large chemiluminescent instruments with high flux, high sensitivity and high detection cost, and the detection instruments of the type are generally arranged in large hospitals or large detection institutions, so that field sampling, timely detection and quick result obtaining cannot be realized. Meanwhile, from the trends of market development and national advanced grading diagnosis and treatment, the large-scale chemiluminescence instrument cannot meet the requirements of primary hospitals, community hospitals and small-scale detection institutions. Thus, point-of-care testing (i.e., POCT) instruments are continuously available on the market.
The POCT chemiluminescence detection instrument is a common instant detection instrument, wherein an optical signal detection device is an important component of the POCT chemiluminescence detection instrument, the optical signal detection device mainly comprises a darkroom system and a photometric component (such as a photomultiplier tube (PMT)), and the photometric component is used for carrying out optical signal measurement on a reaction cup in a darkroom environment. Traditional optical signal detection device has a plurality of motors, for example CN201974432U discloses an automation equipment for optical signal detects, and this automation equipment needs the photometry demand that the cooperative work of three motors just can satisfy the reaction cup, and the structure is complicated, and is bulky, and just can detect after the reaction tube gets into the darkroom completely when detecting, and the action is complicated, and is inefficient. Therefore, how to design an optical signal detection device with simple structure, simple operation and high detection efficiency is an important problem to be solved in the field of POCT detection.
Disclosure of Invention
An object of the utility model is to provide an optical signal detection device can directly be adorned the reaction cup card on the sealing member and can satisfy the required dark value of photometry when examining, and the structure is ingenious compact, and small in size practices thrift the space.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
optical signal detection device, include
The mounting assembly is provided with a first mounting piece and a second mounting piece which are connected together, and the first mounting piece is provided with a first mounting hole which corresponds to the upper part and the lower part of the reaction cup;
the transmission mechanism is arranged on the second mounting piece;
the shutter is horizontally arranged between the first mounting piece and the second mounting piece, and is connected with the transmission mechanism which drives the shutter to move back and forth;
the sealing element is inserted into the first mounting hole, the sealing element is provided with a light measuring hole, and the sealing element and the reaction cup are clamped together; and
the photometric component is arranged on the second mounting part and vertically corresponds to the photometric hole;
the photometry component, the first mounting piece, the second mounting piece, the sealing piece and the reaction cup enclose a darkroom photometry environment; the shutter has an open state and a closed state, and in the open state, the photometric component measures an optical signal of the reaction cup; and in the closed state, the shutter extends to the position above the photometric component to shield the photometric component.
In a preferred embodiment of the present invention, the bottom surface of the sealing member is provided with an inner spacing ring and an outer spacing ring at an interval, the inner spacing ring is sealed and clamped in the spacing groove of the reaction cup, and the outer spacing ring is sleeved on the outer groove wall of the spacing groove.
The utility model discloses an in a preferred embodiment, the shutter is guide part, connecting portion and is used for sheltering from left to right in proper order survey the shielding part of light components and parts, the guiding hole that extends along the fore-and-aft direction is seted up to the guide part.
In a preferred embodiment of the present invention, the transmission mechanism includes a connecting member horizontally disposed on the second mounting member;
the power source is arranged on the connecting piece, and an output shaft of the power source extends into the second mounting hole of the second mounting piece; and
and the transmission assembly is arranged on the output shaft, the lower part of the transmission assembly is clamped in the guide hole, and the power source drives the shutter to move back and forth through the transmission assembly when working.
In a preferred embodiment of the present invention, the transmission assembly includes a driving wheel, which is sleeved on the lower portion of the output shaft and located in the second mounting hole;
the eccentric part vertically penetrates through the driving wheel and eccentrically rotates relative to the driving wheel; and
the rolling piece is sleeved at the lower part of the eccentric piece and is arranged in the guide hole;
the eccentric part drives the shutter to move back and forth left and right along with the rotation of the driving wheel.
In a preferred embodiment of the invention, a spacer is fitted over the eccentric between the drive wheel and the rolling element.
In a preferred embodiment of the present invention, a mounting groove is formed on a lower surface of the second mounting member, a first guiding member is disposed in the mounting groove, a second guiding member is disposed on the shutter, and the second guiding member is in sliding fit with the first guiding member.
In a preferred embodiment of the present invention, the power source is a motor with a bidirectional output shaft.
In a preferred embodiment of the present invention, the optical signal detecting device further comprises a shutter detecting component for detecting the shutter position, wherein the shutter detecting component comprises
The bracket is fixedly connected to one edge of the upper surface of the connecting piece;
the shutter origin sensor is arranged on the bracket; and
and the sensing piece is fixedly connected to the upper part of the output shaft of the motor, and triggers the shutter origin sensor when rotating to the sensing groove of the shutter origin sensor.
In a preferred embodiment of the present invention, the upper surface of the first mounting member has a groove, and the shutter is located in the groove to ensure a movement space of the shutter.
The utility model discloses the advantage lies in installing the shutter between first installed part and second installed part, and photometry components and parts are installed on the second installed part, and drive mechanism sets up on the second installed part, and overall structure is compact, makes the utility model discloses a whole highly steerable within 9.5cm, length is steerable within 12cm, and the width is steerable within 5.2cm, small in size, occupation space is little, and specially adapted POCT chemiluminescence detection instrument lays the basis for realizing the POCT detection instrument of littleer volume.
The utility model can clamp the reaction cup on the sealing element on the first mounting element during detection, so that the reaction cup, the first mounting element and the photometric element form a darkroom, the structure is simple and ingenious, and the photometry of the reaction cup can be realized without arranging the reaction cup in the detection instrument; simultaneously after photometry is accomplished, the shutter can be with first side unthreaded hole shutoff and shelter from photometry components and parts, avoids taking off back the reaction cup and surveys the components and parts and be in the exposure state, and then prevents that photomultiplier from having prolonged photometry components and parts's life because of receiving the inefficacy that natural light disturbed and arouse.
The utility model discloses a drive wheel suit has an eccentric part on the output shaft of motor, rotates the in-process accessible eccentric part at the drive wheel and drives the shutter and control the round trip movement, and the structure is ingenious, is convenient for install in the second mounting hole of second installed part, and occupation space is little.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of fig. 1.
Fig. 3 is an isometric view (looking down) of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Fig. 5 is an exploded view of fig. 3.
Fig. 6 is an isometric view (from below) of the second mounting block shown in fig. 5.
Fig. 7 is an enlarged view of the first guide and the second guide of fig. 5.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are implemented on the premise of the technical solution of the present invention, and the detailed embodiments and the specific operation processes are given, but the scope of the present invention is not limited to the following embodiments.
It should be noted that the left direction in fig. 1 is taken as the left direction, and the opposite direction is taken as the right direction; the upper direction in fig. 1 is taken as the upper direction, and the reverse direction is taken as the lower direction. It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, it should be noted that, in the present invention, unless explicitly stated or limited otherwise, the terms "connected" and "fixed" are to be interpreted broadly, for example, the term "fixed" may be fixedly connected, or detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, it should be noted that the descriptions in the present invention as referring to "first", "second", etc. are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
As shown in FIG. 1, FIG. 2 and FIG. 5, the optical signal detecting device of the present invention comprises
The reaction cup assembly comprises a mounting assembly, a first mounting piece (namely a first mounting block 1, although the first mounting block 1 can be replaced by a first mounting plate or a first mounting seat) and a second mounting piece (namely a second mounting block 2; of course, the second mounting block 2 can be replaced by a second mounting plate or a second mounting seat) which are connected together, wherein the right end part of the first mounting block 1 is provided with a first mounting hole 1.1 which vertically corresponds to the reaction cup F;
the transmission mechanism is arranged on the second mounting block 2;
the shutter 4 is horizontally arranged between the first mounting block 1 and the second mounting block 2, the shutter 4 is connected with the transmission mechanism, and the transmission mechanism drives the shutter 4 to move left and right in a reciprocating manner when working;
the sealing element 5 is provided with a clamping ring and a sealing edge, the clamping ring is inserted into the first mounting hole 1.1, the sealing edge is fixed on the first mounting block 1 through a bolt, the clamping ring is provided with a photometric hole 3, the reaction cup F is clamped on the sealing element 5 during detection, and the inner cavity of the reaction cup F is communicated with the photometric hole 3; and
a photometric component, which is a photomultiplier tube 6 arranged on the second mounting block 2 (of course, the photomultiplier tube 6 can be replaced by an optical device such as a charge coupler or a photon counter), and the second mounting block 2 corresponding to the first mounting hole 1.1 is provided with a mounting through hole, and the photometric part of the photomultiplier tube 6 is clamped in the mounting through hole to ensure that the photometric part of the photomultiplier tube 6 vertically corresponds to the reaction cup F, so as to facilitate optical signal measurement on the reaction cup F;
the photomultiplier 6, the first mounting block 1, the second mounting block 2, the sealing element 5 and the reaction cup F correspondingly surround a relatively closed darkroom photometric environment from top to bottom, so that a dark value required by sample detection is ensured, the reaction cup F is buckled on the sealing element 5, the structure is compact, the reaction cup F does not need to be arranged in a detection instrument in the detection process, and the operation is simple and convenient;
in the detection process, the shutter 4 has an open state and a closed state, in the open state, the shutter 4 moves away from the mounting hole 1.1 to enable the photometry part of the photomultiplier tube 6 to be vertically and correspondingly communicated with the reaction cup F, and the photomultiplier tube 6 carries out optical signal measurement on the reaction cup F;
under the closed state, the shutter 4 moves to the upper part of the photomultiplier 6 and shields the photomultiplier 6, so that the photomultiplier 6 is prevented from being exposed after the reaction cup F is taken down, failure of the photomultiplier 6 caused by interference of natural light is further prevented, and the service life of the photomultiplier 6 is prolonged.
As shown in fig. 3 and 4, the bottom surface of the sealing member 5 (i.e., the connecting cover with the photometric hole 3) is provided with an inner limiting ring 5.1 and an outer limiting ring 5.2 at intervals, the inner limiting ring 5.1 and the outer limiting ring 5.2 are rectangular structures (of course, they may also be circular structures), the inner limiting ring 5.1 is sealed and clamped in the limiting groove of the reaction cup F, the outer limiting ring 5.2 is sleeved on the outer groove wall of the limiting groove to ensure that the mouth edge of the reaction cup F is tightly clamped on the sealing member 5, and further ensure the sealing connection and connection stability of the reaction cup F and the sealing member 5.
As shown in fig. 5, the peripheral edge of the first mounting block 1 is fixedly connected with the second mounting block 2 through bolts, a groove 1.2 is formed in the first mounting block 1, the shutter 4 sequentially comprises a guide portion, a connecting portion and a shielding portion (circular structure) from left to right, and the shielding portion can not only block the first mounting hole 1.1, but also shield the photomultiplier tube 6, so that the photomultiplier tube is in a light-shielding state after the reaction cup is removed, and the photomultiplier tube is protected;
the heights of the lower surfaces of the guide part, the connecting part and the shielding part are consistent, so that the lower surface of the shutter 4 moves back and forth left and right along the groove 1.2, the groove 1.2 provides a moving space for the shutter 4, and the shutter 4 can move back and forth; the guide part is provided with a guide hole 4.1 which horizontally extends in the front-back direction so as to be connected with the transmission mechanism.
As shown in fig. 2 and 5, a second mounting hole 2.1 is formed at the left end of the second mounting block 2; the transmission mechanism comprises a horizontally arranged connecting piece (namely a mounting seat 7.1) which is arranged on the second mounting block 2; the power source is a motor 7.2 (the motor 7.2 is preferably a stepping motor 7.2) of a bidirectional output shaft arranged on the mounting seat 7.1, and the lower part of an output shaft of the motor 7.2 vertically extends downwards into the second mounting hole 2.1; the transmission assembly is arranged on the output shaft, the lower part of the transmission assembly is clamped in a guide hole 4.1 of the shutter 4, and the motor 7.2 drives the shutter 4 to horizontally reciprocate through the transmission assembly when working, so that the shutter 4 is opened and closed, and the photometric requirement of a reaction system in the reaction cup F is met;
as shown in fig. 2 and 5, the transmission assembly includes a driving wheel 7.3, the driving wheel 7.3 is sleeved on the lower portion of the output shaft, and the driving wheel 7.3 rotates in the second mounting hole 2.1 of the second mounting block 2; the pin shaft 7.4 vertically penetrates through the driving wheel 7.3, and the pin shaft 7.4 can eccentrically rotate relative to the driving wheel 7.3 in the rotating process of the driving wheel 7.3; and the rolling element is a bearing 7.5 sleeved at the lower part of the pin shaft 7.4, and the bearing 7.5 moves in the guide hole 4.1. In the rotation process of the motor 7.2, the motor 7.2 drives the driving wheel 7.3 to rotate, the driving wheel 7.3 drives the pin shaft 7.4 to synchronously rotate in the rotation process, and the pin shaft 7.4 eccentrically rotates relative to the driving wheel 7.3 and the bearing 7.5 can move in the guide hole 4.1, so that the left and right reciprocating movement of the shutter 4 is realized, the shutter 4 can be ensured to be opened and closed, and the photometric requirement of the reaction cup F is met.
Of course, during actual installation, the transmission mechanism may also be a gear and rack transmission pair driven by a motor, a connecting rod transmission pair driven by a motor, a synchronous belt transmission pair driven by a motor, or a linear transmission mechanism such as an air cylinder or a hydraulic cylinder.
As shown in fig. 2, the upper part of the pin 7.4 extends upwards to the upper surface of the driving wheel 7.3, and the pin 7.4 between the bearing 7.5 and the driving wheel 7.3 is sleeved with a spacer 7.7 to ensure that the bearing 7.5 is always positioned in the guide hole 4.1 of the shutter 4, so as to prevent the bearing from moving up and down and ensure the motion track of the shutter 4.
As shown in fig. 5 to 7, in order to ensure the motion trajectory and the motion accuracy of the shutter 4, the lower surface of the second mounting block 2 is provided with a mounting groove 2.2 communicated with the second mounting hole 2.1, a first guide (which is a guide rail 8.1) is arranged in the mounting groove 2.2, the upper surface of the connecting portion of the shutter 4 is provided with a second guide (i.e., a slider 8.2), the slider 8.2 has a guide groove matched with the guide rail 8.1, and the slider 8.2 is clamped on the guide rail 8.1 through the guide groove. In the process of moving the shutter 4 left and right, the sliding block 8.2 moves back and forth left and right along the guide rail 8.1, so that the linear motion track of the shutter 4 is ensured, and the motion precision of the shutter 4 is improved;
as shown in fig. 2, the height of the upper surface of the connecting portion of the shutter 4 is higher than that of the upper surface of the shielding portion, that is, there is a height difference between the connecting portion and the shielding portion, so as to ensure that the shielding portion can move between the photomultiplier tube 6 and the mounting hole 1.1, and further realize the opening and closing of the shutter 4.
As shown in fig. 1 and 2, the optical signal detection device further includes a shutter detection assembly for detecting the position of the shutter 4, wherein the shutter detection assembly includes a bracket 9.1 fixedly connected to the left edge of the upper surface of the mounting seat 7.1; a shutter origin sensor 9.2 arranged on the bracket 9.1; and an induction sheet 9.3 fixedly connected to the upper part of the output shaft of the motor 7.2. During the operation of the motor 7.2, when the sensing piece 9.3 rotates into the sensing groove of the shutter origin sensor 9.2, the shutter origin sensor 9.2 is triggered, which indicates that the shutter 4 is in the initial state (i.e. closed state).
The utility model discloses a working process does: clamping the reaction cup F on the sealing element 5 to realize clamping connection of the reaction cup F and the sealing element 5, and meanwhile, due to the fact that the first mounting block 1 and the second mounting block 2 are connected up and down, the reaction cup F is pressed on the sealing element 5 to form a darkroom to meet the requirement of photometry;
starting a motor 7.2, driving a driving wheel 7.3 to rotate by the motor 7.2 through an output shaft, driving a shutter 4 to horizontally move along a guide rail 8.1 by the driving wheel 7.3 through a pin shaft 7.4, driving a shielding part of the shutter 4 to leave a mounting hole 1.1 (namely, the shutter 4 is opened), measuring an optical signal in a reaction cup F by a photomultiplier 6, and transmitting the detected optical signal to a main controller of a detection instrument to realize quantitative and/or qualitative analysis of a sample in the reaction cup F;
after the photometry is finished, the motor 7.2 continues to rotate, the pin shaft 7.4 drives the shutter 4 to reset along with the synchronous rotation of the driving wheel 7.3, the shielding part of the shutter 4 moves to the lower part of the photomultiplier, the bottom surface of the shielding part is attached to the upper surface of the second mounting block 2, the photomultiplier 6 is shielded, and finally the reaction cup F is taken down to finish the detection of one sample. And repeating the operation to sequentially complete the light metering work of the rest samples.
It should be emphasized that the above-described embodiments are merely exemplary embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications, substitutions, improvements, etc. within the technical scope of the present invention, and these modifications and improvements should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An optical signal detection device characterized by: comprises that
The mounting assembly is provided with a first mounting piece and a second mounting piece which are connected together, and the first mounting piece is provided with a first mounting hole which corresponds to the upper part and the lower part of the reaction cup;
the transmission mechanism is arranged on the second mounting piece;
the shutter is horizontally arranged between the first mounting piece and the second mounting piece, and is connected with the transmission mechanism which drives the shutter to move back and forth;
the sealing element is inserted into the first mounting hole, the sealing element is provided with a light measuring hole, and the sealing element and the reaction cup are clamped together; and
the photometric component is arranged on the second mounting part and vertically corresponds to the photometric hole;
the photometry component, the first mounting piece, the second mounting piece, the sealing piece and the reaction cup enclose a darkroom photometry environment; the shutter has an open state and a closed state, and in the open state, the photometric component measures an optical signal of the reaction cup; and in the closed state, the shutter extends to the position above the photometric component to shield the photometric component.
2. The optical signal detection device according to claim 1, characterized in that: the bottom surface of the sealing element is provided with an inner limiting ring and an outer limiting ring at intervals, the inner limiting ring is sealed and clamped in the limiting groove of the reaction cup, and the outer limiting ring is sleeved on the outer groove wall of the limiting groove.
3. The optical signal detection device according to claim 1, characterized in that: the shutter is guide part, connecting portion and is used for sheltering from in proper order from the left hand right the shielding part of photometry components and parts, the guiding hole along the horizontal extension of fore-and-aft direction is seted up to the guide part.
4. The optical signal detection device according to claim 3, characterized in that: the transmission mechanism comprises a connecting piece which is horizontally arranged on the second mounting piece;
the power source is arranged on the connecting piece, and an output shaft of the power source extends into the second mounting hole of the second mounting piece; and
and the transmission assembly is arranged on the output shaft, the lower part of the transmission assembly is clamped in the guide hole, and the power source drives the shutter to move back and forth through the transmission assembly when working.
5. The optical signal detection device according to claim 4, characterized in that: the transmission assembly comprises a driving wheel, is sleeved at the lower part of the output shaft and is positioned in the second mounting hole;
the eccentric part vertically penetrates through the driving wheel and eccentrically rotates relative to the driving wheel; and
the rolling piece is sleeved at the lower part of the eccentric piece and rolls in the guide hole;
the eccentric part drives the shutter to move back and forth left and right along with the rotation of the driving wheel.
6. The optical signal detection device according to claim 5, characterized in that: the eccentric part between the driving wheel and the rolling part is sleeved with a spacer bush.
7. The optical signal detection device according to claim 1, characterized in that: the lower surface of the second mounting part is provided with a mounting groove, a first guide piece is arranged in the mounting groove, a second guide piece is arranged on the shutter, and the second guide piece is in sliding fit with the first guide piece.
8. The optical signal detection device according to claim 4, characterized in that: the power source is a motor with a bidirectional output shaft.
9. The optical signal detection device according to claim 8, characterized in that: further comprises a shutter detection component for detecting the shutter position, the shutter detection component comprises
The bracket is fixedly connected to one edge of the upper surface of the connecting piece;
the shutter origin sensor is arranged on the bracket; and
and the sensing piece is fixedly connected to the upper part of the output shaft of the motor, and triggers the shutter origin sensor when rotating to the sensing groove of the shutter origin sensor.
10. The optical signal detection device according to claim 1, characterized in that: the upper surface of the first mounting part is provided with a groove, and the shutter is positioned in the groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120212273.8U CN214584917U (en) | 2021-01-26 | 2021-01-26 | Optical signal detection device |
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| CN202120212273.8U CN214584917U (en) | 2021-01-26 | 2021-01-26 | Optical signal detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666154A (en) * | 2021-01-26 | 2021-04-16 | 安图实验仪器(郑州)有限公司 | Optical signal detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666154A (en) * | 2021-01-26 | 2021-04-16 | 安图实验仪器(郑州)有限公司 | Optical signal detection device |
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