CN217543142U - Transmission assembly and fluorescence immunoassay appearance - Google Patents
Transmission assembly and fluorescence immunoassay appearance Download PDFInfo
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- CN217543142U CN217543142U CN202221281922.0U CN202221281922U CN217543142U CN 217543142 U CN217543142 U CN 217543142U CN 202221281922 U CN202221281922 U CN 202221281922U CN 217543142 U CN217543142 U CN 217543142U
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Abstract
The utility model relates to a drive assembly and fluorescence immunoassay appearance, drive assembly include drive unit, light-shading spare, induction element and controller. The connecting portion of shading piece are connected on the driving medium, and when power source drive driving medium removed, drive shading portion along direction of delivery through connecting portion and remove. The two sensors of the sensing unit are arranged along the conveying direction, the two shading parts are arranged at intervals along the conveying direction, and the distance between the sensing positions of the two sensors is different from the distance between the triggering edges of the two shading parts. Therefore, when the sensor positioned in the front senses the shading part positioned in the front, the phase difference or the time difference generated when the sensor positioned in the rear senses the shading part positioned in the rear is a preset value, the power source is controlled by the controller to stop driving, and then the positioning is accurate. If the phase difference or the time difference is not a preset value, the power source is considered to drive the transmission member to move out of step or to have a movement fault so as to accurately judge whether the movement is invalid or not and improve the positioning precision.
Description
Technical Field
The utility model relates to a transmission location technical field especially relates to transmission assembly and fluorescence immunoassay appearance.
Background
With the continuous development of the medical industry, medical instruments are gradually developed towards the direction of automatic clinical examination, and the automatic development of detection instruments cannot be separated from the application of a transmission mechanism and the positioning of a transmission position. The currently common positioning of the transmission position generally adopts sensor single-point positioning. For example, a switch type sensor such as a photoelectric sensor or a tact switch feeds back whether the actuator is operated to a position where the sensor is located. However, the conventional positioning method often cannot identify the condition that the power part of the transmission mechanism or the sensor for detecting the position fails, so that the detection instrument may lose step in movement and cause positioning error, even a movement fault occurs, and the use of the detection instrument is directly influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a transmission assembly and a fluorescence immunoassay analyzer that are convenient for accurately determining whether the positioning is accurate.
A transmission assembly comprises a transmission unit, a shading piece, a sensing unit and a controller, wherein the transmission unit comprises a power source and a transmission piece, and the power source is used for driving the transmission piece to move along a conveying direction; the shading part comprises a connecting part and two shading parts, the two shading parts are arranged on the connecting part at intervals along the conveying direction, and the connecting part is connected to the transmission part and can move synchronously along with the transmission part; the induction unit comprises two inductors which are arranged along the conveying direction, the distance between induction positions of the two inductors is different from the distance between trigger edges of the two shading parts, and the inductors are used for inducing the shading parts; the two inductors and the power source are both electrically connected to the controller, and the controller is used for controlling the operation of the power source according to sensing signals of the inductors.
Above-mentioned transmission assembly, because the connecting portion of shading part are connected on the driving medium, and then when power supply drive driving medium removed, drive shading portion along direction of delivery through connecting portion and remove. And because two inductors of the induction unit are arranged along the conveying direction, and the two shading parts are arranged at intervals along the conveying direction, the two shading parts can pass through the two inductors in sequence. And the interval between the induction position of two inductors is different with the interval between the trigger limit of two shading parts, consequently, senses the shading part that is located the place ahead when the inductor that is located the place ahead, and the phase difference or the time difference that the sensor that is located the place behind sensed the shading part that is located the place behind are the default, through controller control power supply stop drive, then location accuracy this moment. If the phase difference or the time difference sensed by the two sensors is not a preset value, the power source is considered to drive the transmission member to move out of step or to have a movement fault. According to the structure, through the matching between the two inductors and the two shading parts, whether the transmission unit fails to move or not can be accurately judged, and the positioning precision is improved.
In one embodiment, the difference between the distance between the triggering edges of the two shading parts and the distance between the sensing positions of the two sensors is 0.5 mm-2 mm.
In one embodiment, the distance between the sensing positions of the two sensors is 5 mm-10 mm.
In one embodiment, the distance between the sensing positions of the two sensors is smaller than the distance between the triggering edges of the two shading parts.
In one embodiment, the transmission assembly further comprises a fault reminder, the fault reminder is electrically connected to the controller, and the controller is used for controlling the operation of the fault reminder according to the sensing signal of the sensor.
In one embodiment, the sensor is a photoelectric sensor, the photoelectric sensor includes a light emitting portion and a light receiving portion spaced apart from the light emitting portion, and the light shielding portion is capable of passing through a gap between the light emitting portion and the light receiving portion; and/or
The induction units are at least two groups, and the induction units in each group are arranged at intervals along the conveying direction.
In one embodiment, the shading part is a sheet metal part.
In one embodiment, the transmission assembly further includes a mounting base plate and a guide member, the guide member is mounted on the mounting base plate, the connecting portion is in guiding fit with the guide member along the conveying direction, and the transmission unit and the sensing unit are both disposed on the mounting base plate.
In one embodiment, the transmission unit further includes a driving wheel and a driven wheel, the driving wheel and the driven wheel are arranged at intervals along the conveying direction, the transmission member is a transmission belt, the transmission belt is arranged across the driving wheel and the driven wheel, and the power source is used for driving the driving wheel to rotate.
The fluorescence immunoassay analyzer comprises the transmission assembly and the detection head, wherein the detection head is arranged on the connecting part of the shading part.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Furthermore, the drawings are not to scale as 1:1, and the relative sizes of the various elements are drawn in the drawings by way of example only and not necessarily to true scale. In the drawings:
FIG. 1 is a schematic diagram of a transmission assembly in one embodiment;
FIG. 2 is a top view of the transmission assembly shown in FIG. 1;
FIG. 3 is a schematic structural view of the shading member in FIG. 1;
fig. 4 is a schematic structural diagram of the sensing unit in fig. 1.
Description of the reference numerals:
10. a transmission assembly; 100. a transmission unit; 110. a power source; 120. a transmission member; 130. a driving wheel; 140. a driven wheel; 200. a light shielding member; 210. a connecting portion; 220. a light shielding portion; 300. a sensing unit; 310. an inductor; 312. a light emitting section; 314. a light receiving section; 400. mounting a bottom plate; 500. a guide member; 510. a guide rail; 520. a slide block.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Referring to fig. 1 and 2, the transmission assembly 10 according to an embodiment of the present invention can at least effectively determine whether the positioning fails, so as to ensure the accuracy of the positioning.
Referring to fig. 3, in particular, the driving assembly 10 includes a driving unit 100, a light shielding member 200, a sensing unit 300 and a controller. The transmission unit 100 includes a power source 110 and a transmission member 120, wherein the power source 110 is used for driving the transmission member 120 to move along the conveying direction d; the light shielding member 200 includes a connecting portion 210 and two light shielding portions 220, the two light shielding portions 220 are disposed on the connecting portion 210 at intervals along the conveying direction d, and the connecting portion 210 is connected to the transmission member 120 and can move synchronously with the transmission member 120; the sensing unit 300 includes two sensors 310, the two sensors 310 are arranged in a row along a conveying direction d, a distance a between sensing positions of the two sensors 310 is different from a distance c between triggering edges of the two light shielding portions 220, and the sensors 310 are used for sensing the light shielding portions 220; the two sensors 310 and the power source 110 are electrically connected to a controller, and the controller is configured to control the operation of the power source 110 according to a sensing signal of the sensor 310.
In the present embodiment, the conveying direction d is an arbitrary direction indicated by a broken-line arrow in fig. 1 and 2.
In the present embodiment, the trigger side of the light shielding portion 220 is the front side of the light shielding portion 220 along the conveying direction d.
When the power source 110 drives the transmission member 120 to move, the connection portion 210 drives the light shielding portion 220 to move along the conveying direction d. And since the two sensors 310 of the sensing unit 300 are arranged in line along the conveying direction d, the two light shielding portions 220 are spaced along the conveying direction d, so that the two light shielding portions 220 can pass through the two sensors 310 in sequence. The distance a between the sensing positions of the two sensors 310 is different from the distance c between the triggering edges of the two light shielding portions 220, so that when the sensor 310 in front senses the light shielding portion 220 in front, and the sensor 310 in rear senses that the phase difference or time difference generated by the light shielding portion 220 in rear is a preset value, the controller controls the power source 110 to stop driving, and the positioning is accurate. If the phase difference or the time difference sensed by the two sensors 310 is not a preset value, it is determined that the power source 110 drives the transmission member 120 to move out of step or fail. With the above structure, by the cooperation between the two sensors 310 and the two light shielding portions 220, it can be accurately determined whether the transmission unit 100 fails to move, and the positioning accuracy is improved.
In the transmission assembly 10, the sensing signals of the two sensors 310 obtained by the controller are different according to the conveying direction d of the transmission member 120 driven by the power source 110, so that whether the conveying direction d of the transmission member 120 is the forward direction or the reverse direction can be effectively identified. And whether the power source 110 is driven to normally move and whether the two sensors 310 are normally fed back for sensing can be effectively judged through the phase difference or the time difference of the two sensing signals, so that the problems that the direction of the single sensor 310 cannot be detected and the sensor 310 cannot be normally identified can be effectively solved. In locations with higher positioning requirements, this can be solved simply by a lower cost solution for the inductor 310.
In this embodiment, the transmission assembly 10 further includes a fault alarm electrically connected to the controller, and the controller is configured to control the operation of the fault alarm according to the sensing signal of the sensor 310. When the phase difference or the time difference of the sensing signals of the two sensors 310, which are obtained by the controller, is not a preset value, the fault reminder is controlled to alarm so as to prompt the motion fault. For example, the fault reminder may be a display. Or the fault reminder can be an alarm or a warning light or other components capable of achieving the fault reminding function.
In this embodiment, the controller is a single chip microcomputer. In other embodiments, the controller may be other devices capable of determining control.
In the present embodiment, the sensor 310 is a photosensor including a light emitting portion 312 and a light receiving portion 314 disposed at a distance from the light emitting portion 312, and the light shielding portion 220 can pass through a gap between the light emitting portion 312 and the light receiving portion 314. When the light shielding portion 220 passes between the light emitting portion 312 and the light receiving portion 314, the light receiving portion 314 can feed back the sensing signal to the controller. In other embodiments, the sensor 310 may also be a touch switch or other sensor capable of sensing the position of the shading portion 220.
In one embodiment, the sensing units 300 are at least two groups, and each group of sensing units 300 is disposed at intervals along the conveying direction d. When the transmission member 120 needs to be located at multiple positions, the sensing units 300 can be disposed at the positions needing to be located, and when the transmission member 120 drives the light shielding portion 220 of the light shielding member 200 to pass through one sensing unit 300, the sensing unit 300 can be located.
In one embodiment, the light shielding member 200 is a sheet metal member. The shading part 220 and the connecting part 210 are formed by bending sheet metal parts, and the stability of connection between the shading part 220 and the connecting part 210 is ensured. In other embodiments, the light shielding member 200 may also be formed by injection molding, or the light shielding portion 220 and the connecting portion 210 are a split structure.
Referring to fig. 3 and 4, in an embodiment, a difference between a distance c between the triggering edges of the two light shielding portions 220 and a distance a between the sensing positions of the two sensors 310 is 0.5mm to 2mm. The phase difference or time difference of the sensing signals of the two sensors 310 is the time slot or phase difference corresponding to 0.5 mm-2 mm, the smaller the difference is, the higher the positioning sensing precision is, and the sensing precision can be ensured and the positioning precision can be improved by the difference being 0.5 mm-2 mm. Specifically, the difference between the pitch c between the trigger sides of the two light shielding portions 220 and the pitch a between the sensing positions of the two sensors 310 is 1mm. In other embodiments, the difference between the spacing c between the triggering edges of the two light shielding portions 220 and the spacing a between the sensing positions of the two sensors 310 may also be greater than 2mm.
In one embodiment, the distance a between the sensing positions of the two sensors 310 is smaller than the distance c between the triggering edges of the two light shielding portions 220. When the sensor 310 located at the front senses the light shielding portions 220 located at the front, the sensor 310 located at the rear senses that the light shielding portions 220 located at the rear are delayed. If the phase difference or time difference between the sensing signals sensed by the two sensors 310 is within a certain error range, the operation can be considered to be normal, and the positioning is accurate. If the phase difference or time difference of the sensing signals sensed by the two sensors 310 exceeds the error range, the transmission unit 100 may lose step or fail in motion, or the sensor 310 may fail.
In another embodiment, the distance a between the sensing positions of the two sensors 310 may be larger than the distance c between the triggering edges of the two light shielding portions 220. As long as it is convenient for the controller to determine the time difference or phase difference of the sensing signals of the two sensors 310.
In one embodiment, the distance a between the sensing positions of the two sensors 310 is 5mm to 10mm. The phenomenon that the sensing judgment distance is too long due to too long distance is avoided; meanwhile, the phenomenon that effective induction cannot be formed due to too short distance is avoided. For example, in the present embodiment, the distance a between the sensing positions of the two sensors 310 is 7mm. The pitch c between the trigger edges of the two light shielding portions 220 is 8mm.
Referring to fig. 1 and fig. 2 again, in an embodiment, the transmission assembly 10 further includes a mounting base plate 400 and a guide 500, the guide 500 is mounted on the mounting base plate 400, the connecting portion 210 is in guiding fit with the guide 500 along the conveying direction d, and the transmission unit 100 and the sensing unit 300 are both disposed on the mounting base plate 400. The connection portion 210 is guided by the guide 500, and the light blocking member 200 can be more stably moved in the conveying direction d. And provides a mounting platform for the driving unit 100 and the sensing unit 300 through the mounting base plate 400.
Specifically, the guide 500 includes a guide rail 510 and a slider 520, the slider 520 is disposed on the guide rail 510 and can slide on the guide rail 510, a length direction of the guide rail 510 is a conveying direction d, the guide rail 510 is mounted on the mounting base plate 400, and the slider 520 is connected to the connecting portion 210. In other embodiments, the guide 500 may also be a guide groove formed on the mounting base 400, and the connecting portion 210 is provided with a slider, which is disposed in the guide groove and can slide in the guide groove along the conveying direction d. In other embodiments, the guiding element 500 may also have other components that enable the guiding movement of the connecting portion 210.
In this embodiment, the transmission unit 100 further includes a driving wheel 130 and a driven wheel 140, the driving wheel 130 and the driven wheel 140 are disposed at an interval along the conveying direction d, the transmission member 120 is a transmission belt, the transmission belt is disposed across the driving wheel 130 and the driven wheel 140, and the power source 110 is used for driving the driving wheel 130 to rotate. The driving belt rotates to drive the light shielding member 200 to move. Alternatively, the transmission member 120 may also be a transmission chain, and the transmission chain is disposed across the driving wheel 130 and the driven wheel 140.
In another embodiment, the transmission unit 100 may further include a lead screw, the transmission member 120 is disposed on the lead screw, and the power source 110 drives the lead screw to rotate, so as to move the transmission member 120 on the lead screw. In other embodiments, the transmission unit 100 may have other structures capable of moving the transmission member 120.
In one embodiment, the fluorescence immunoassay analyzer includes the transmission assembly 10 and the detection head in any of the above embodiments, and the detection head is disposed on the connection portion 210 of the light shielding member 200. The test head can be used to test a reagent card.
In the present embodiment, the conveying direction d is a width direction of the reagent card, and a plurality of reagent cards are arranged along the width direction, and each reagent card is correspondingly disposed at a position of a sensing unit 300. When the transmission member 120 drives the light shielding member 200 to move to a position of a sensing unit 300 and position the light shielding member, the detection head can correspondingly detect a reagent card corresponding to the sensing unit 300.
In another embodiment, an identification head may be further provided on the connection portion 210, and the reagent card may be identified by the identification head. Or in other embodiments, other components may be disposed on the connection portion 210 according to testing requirements.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only 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 of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, 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 interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. 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 the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" 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. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
Claims (10)
1. A drive assembly, comprising:
the transmission unit comprises a power source and a transmission piece, and the power source is used for driving the transmission piece to move along the conveying direction;
the shading part comprises a connecting part and two shading parts, the two shading parts are arranged on the connecting part at intervals along the conveying direction, and the connecting part is connected to the transmission part and can move synchronously along with the transmission part;
the induction unit comprises two inductors, the two inductors are arranged along the conveying direction, the distance between induction positions of the two inductors is different from the distance between triggering edges of the two shading parts, and the inductors are used for inducing the shading parts; and
and the two inductors and the power source are electrically connected to the controller, and the controller is used for controlling the operation of the power source according to the sensing signals of the inductors.
2. The transmission assembly according to claim 1, wherein the difference between the distance between the triggering edges of the two light shielding portions and the distance between the sensing positions of the two sensors is 0.5mm to 2mm.
3. The drive assembly of claim 2, wherein the spacing between the sensing locations of the two sensors is between 5mm and 10mm.
4. The transmission assembly according to claim 1, wherein a distance between sensing positions of the two sensors is smaller than a distance between triggering edges of the two light shielding portions.
5. The transmission assembly according to any one of claims 1 to 4, further comprising a fault reminder, wherein the fault reminder is electrically connected to the controller, and the controller is configured to control the operation of the fault reminder according to the sensing signal of the sensor.
6. The transmission assembly of any one of claims 1 to 4, wherein the sensor is a photosensor comprising a light emitting portion and a light receiving portion spaced from the light emitting portion, the light blocking portion being capable of passing through a gap between the light emitting portion and the light receiving portion; and/or
The induction units are at least two groups, and the induction units in each group are arranged at intervals along the conveying direction.
7. The drive assembly of any one of claims 1-4, wherein the shade member is a sheet metal member.
8. The transmission assembly according to any one of claims 1 to 4, further comprising a mounting base plate and a guide member, wherein the guide member is mounted on the mounting base plate, the connecting portion is in guiding fit with the guide member along the conveying direction, and the transmission unit and the sensing unit are both disposed on the mounting base plate.
9. The transmission assembly according to any one of claims 1 to 4, wherein the transmission unit further includes a driving wheel and a driven wheel, the driving wheel and the driven wheel are arranged at an interval in the conveying direction, the transmission member is a transmission belt, the transmission belt is arranged across the driving wheel and the driven wheel, and the power source is used for driving the driving wheel to rotate.
10. A fluorescence immunoassay analyzer, comprising:
a drive assembly as claimed in any one of claims 1 to 9; and
and the detection head is arranged on the connecting part of the shading part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221281922.0U CN217543142U (en) | 2022-05-26 | 2022-05-26 | Transmission assembly and fluorescence immunoassay appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221281922.0U CN217543142U (en) | 2022-05-26 | 2022-05-26 | Transmission assembly and fluorescence immunoassay appearance |
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| Publication Number | Publication Date |
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| CN217543142U true CN217543142U (en) | 2022-10-04 |
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| CN202221281922.0U Active CN217543142U (en) | 2022-05-26 | 2022-05-26 | Transmission assembly and fluorescence immunoassay appearance |
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| CN (1) | CN217543142U (en) |
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- 2022-05-26 CN CN202221281922.0U patent/CN217543142U/en active Active
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| CB03 | Change of inventor or designer information |
Inventor after: Zhang Song Inventor after: Pan Tengfei Inventor after: Yang Xiangsheng Inventor after: Kuang Zhanhong Inventor before: Fu Wenbo Inventor before: Pan Tengfei Inventor before: Zhang Song Inventor before: Yang Xiangsheng Inventor before: Zeng Wenlai Inventor before: Kuang Zhanhong |
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Effective date of registration: 20231129 Address after: Room 1108, No. 668-2 Shatai South Road, Baiyun District, Guangzhou City, Guangdong Province, 510080 Patentee after: Guangzhou Maidijia Technology Co.,Ltd. Address before: 510623 Room 301, building C6, No. 11, Kaiyuan Avenue, Huangpu District, Guangzhou, Guangdong Patentee before: GUANGZHOU CITY BIOTRON BIOTECHNOLOGY CO.,LTD. |