CN107643418B - Positioning system and positioning calibration device thereof - Google Patents
Positioning system and positioning calibration device thereof Download PDFInfo
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- CN107643418B CN107643418B CN201711121970.7A CN201711121970A CN107643418B CN 107643418 B CN107643418 B CN 107643418B CN 201711121970 A CN201711121970 A CN 201711121970A CN 107643418 B CN107643418 B CN 107643418B
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Abstract
The invention discloses a positioning system and a positioning and calibrating device thereof, wherein the positioning and calibrating device comprises a device body which is driven by a transmission device (1) to move; the device body is provided with a positioning structure (22) and a detected position (23) for arranging a detected sample; the positioning structure (22) comprises solid blocking structures (221) and gap structures (222) which are alternately arranged along the moving direction of the device body, and one of the solid blocking structures (221) and the gap structures (222) is arranged corresponding to the detected position (23). According to the positioning and calibrating device provided by the invention, the detected position and the positioning structure are arranged on the device body, so that the positioning accuracy is improved. Only need follow its direction of motion processing void structure on the device body for form between two adjacent void structure entity separation structure can, made things convenient for location structure's processing, simplify processing technology, effectively the cost is reduced.
Description
Technical Field
The invention relates to the technical field of detection and analysis, in particular to a positioning system and a positioning calibration device thereof.
Background
The automatic detection and analysis instrument based on microfluid technology integrates sample processing, detection and analysis functions, is widely applied to the field of detection and analysis, and the whole detection process is automatically completed without manual operation. However, the micro device based on the micro-fluid technology has a small size ranging from several micrometers to hundreds of micrometers, so that how to accurately position the sample to be detected in the moving process is a very critical link in the whole detection process.
Currently, there are two main localization techniques for detecting samples: one scheme is that a light reflection surface is designed on a detection disc, and a photoelectric detection device detects reflected light so as to position a detection sample; although the method can also realize the positioning of the detection sample, the process is complicated, the yield is low, and the equipment cost is high. The other scheme is that the transmission condition of the light blocking disc is detected through photoelectricity, and a detection hole is positioned; however, this solution requires a special light blocking device, since the light blocking device and the detection disk are separated from each other and their relative positions are not absolutely fixed, it is very easy to cause errors, and the solution has a complex structure and unreliable positioning accuracy.
Therefore, how to simplify the process, improve the positioning accuracy, and reduce the cost is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a positioning calibration apparatus to simplify the process, improve the positioning accuracy, and reduce the cost. The invention also discloses a positioning system with the positioning and calibrating device.
In order to achieve the purpose, the invention provides the following technical scheme:
a positioning and calibrating device comprises a device body driven by a transmission device to move; the device body is provided with a positioning structure and a detected position for arranging a detected sample;
the positioning structure comprises entity blocking structures and gap structures which are alternately arranged along the moving direction of the device body, and one of the entity blocking structures and the gap structures is arranged corresponding to the detected position.
Preferably, in the above positioning and calibrating apparatus, the void structure is provided corresponding to the detected position.
Preferably, in the above positioning and calibrating apparatus, the apparatus body is a rotating structure that rotates along a circle center thereof;
the positioning structure is arranged at the outer edge of the rotating structure.
Preferably, in the above positioning and calibrating apparatus, the corresponding structure and the detected position corresponding thereto are arranged in a radial direction of the rotating structure;
the corresponding structure is a structure which is arranged in the entity blocking structure and the gap structure and corresponds to the detected position.
Preferably, in the above positioning and calibrating device, the device body has a disc structure or a sector structure.
Preferably, in the above positioning and calibrating device, the device body is a linear motion structure that moves linearly along an extending direction thereof.
Preferably, in the above positioning calibration device, the positioning structure is a toothed structure.
The invention also provides a positioning system, which comprises a transmission device, a positioning detection device and the positioning calibration device;
the transmission device drives the positioning calibration device to move, and the positioning detection device is arranged corresponding to the positioning structure.
Preferably, in the positioning system, the positioning detection device includes a signal generating end and a signal receiving end;
the positioning structure is arranged between the signal generating end and the signal receiving end.
Preferably, the positioning system further includes a signal detection device, which is provided corresponding to the positioning detection device and is configured to detect the detection sample at the detected position.
Preferably, in the above positioning system, the transmission device includes a power component and a fixed component;
the body of the power component is connected with the fixed component, and the output end of the power component is connected with the positioning and calibrating device.
Preferably, in the above positioning system, the transmission device further includes a connecting component, one side of the connecting component is connected to the positioning calibration device in a positioning manner, and the other side of the connecting component is fixedly connected to the output end of the power component.
Preferably, in the positioning system, one of the connecting part and the positioning and calibrating device is provided with a positioning column, and the other part is provided with a positioning hole matched with the positioning column.
Preferably, in the above positioning system, the number of the positioning holes and the positioning posts is plural.
According to the technical scheme, the positioning and calibrating device provided by the invention has the advantages that the positioning structure and the detected position for setting the detection sample are arranged on the device body, so that the relative positions of the positioning structure and the detected position are fixed, and the detected position and the positioning structure are both arranged on the device body, so that the relative movement between the positioning structure and the detected position is effectively avoided, and the positioning accuracy is improved. One of the solid blocking structure and the gap structure is arranged corresponding to the detected position, and the effect of detecting the detected position can be achieved by detecting the solid blocking structure and the gap structure through the positioning detection device, so that the mobile positioning and the subsequent detection of the detected sample are completed; namely, only need follow its direction of motion processing void structure on the device body for form between two adjacent void structures entity separation structure can, need not to set up the higher and complicated structure of cost such as light reflex surface, made things convenient for location structure's processing, simplified processing technology, effectively the cost is reduced.
The embodiment of the invention also provides a positioning system, which comprises a positioning and calibrating device, wherein the positioning and calibrating device is any one of the positioning and calibrating devices. Since the positioning calibration device has the above technical effects, the positioning system having the positioning calibration device also has the same technical effects, and the description thereof is not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a positioning calibration apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a positioning system according to an embodiment of the present invention;
FIG. 3 is a schematic view of a positioning calibration device and a transmission device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a combined structure of the positioning calibration device, the transmission device and the positioning detection device according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a positioning system provided by an embodiment of the present invention;
fig. 6 is a schematic view of a matching structure of a positioning structure and a positioning detection device according to an embodiment of the present invention.
Detailed Description
The invention discloses a positioning and calibrating device, which aims to simplify the process, improve the positioning accuracy and reduce the cost. The invention also discloses a positioning system with the positioning and calibrating device.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a positioning calibration apparatus, which includes an apparatus body for being moved by a transmission apparatus 1; the device body is provided with a positioning structure 22 and a detected position 23 for arranging a detected sample; the positioning structure 22 includes solid blocking structures 221 and void structures 222 alternately arranged along the moving direction of the device body, and one of the solid blocking structures 221 and the void structures 222 is disposed corresponding to the detected position 23.
According to the positioning and calibrating device provided by the embodiment of the invention, as the positioning structure 22 and the detected position 23 for setting the detected sample are arranged on the device body, the relative positions of the positioning structure 22 and the detected position 23 are fixed, and the detected position 23 and the positioning structure 22 are both arranged on the device body, so that the relative movement between the two is effectively avoided, and the positioning accuracy is improved. One of the solid blocking structure 221 and the void structure 222 is arranged corresponding to the detected position 23, and the effect of detecting the detected position 23 can be achieved by detecting the solid blocking structure 221 and the void structure 222 through the positioning detection device 3, so that the mobile positioning and the subsequent detection of the detected sample are completed; that is, only the gap structures 222 need to be processed on the device body along the movement direction thereof, so that the solid blocking structure 221 is formed between two adjacent gap structures 222, and high-cost and complex structures such as a light reflection surface do not need to be arranged, thereby facilitating the processing of the positioning structure 22, simplifying the processing process, and effectively reducing the cost.
To improve the positioning accuracy, the void structure 222 is provided corresponding to the detected position 23. Of course, the physical blocking structure 221 may be disposed corresponding to the detected bit 23.
In this embodiment, the device body is a rotating structure rotating along the center of the device body; the positioning structure 22 is arranged at the outer edge of the rotating structure. Through the rotation of device body, realize being detected the removal of position 23 on the device body, location structure 22 sets up in revolution mechanic's outward flange, can effectively conveniently process location structure 22, has also made things convenient for the detection of location detection device 3 to location structure 22.
The corresponding structure and the detected position 23 corresponding to the corresponding structure are arranged along the radial direction of the rotating structure; the corresponding structure is a structure of the physical isolation structure 221 and the void structure 222 corresponding to the detected bit 23. Through the arrangement, the relative arrangement of the corresponding structure and the detected position 23 is facilitated. In this embodiment, the void structure 222 is preferably provided corresponding to the detected position 23. In the present embodiment, the number of the void structures 222 and the detected bits 23 is plural, and each detected bit 23 has one and only one void structure 222 corresponding thereto. The gap structure 222 and the detected bit 23 corresponding thereto are arranged in the radial direction of the rotating structure.
In this embodiment, the device body is a fan-shaped structure, or the device body may be a disc structure; the device body can be arranged into other structures, and the structures are not repeated one by one.
In another embodiment, the device body is a linear motion structure which moves linearly along the extending direction of the device body. Therefore, the positioning structures 22 are positioning structures disposed along the extending direction of the device body, and the solid barrier structures 221 and the void structures 222 are alternately arranged along the linear direction.
In the present embodiment, the positioning structure 22 is a tooth-like structure. Through the arrangement, the detection precision is effectively improved. Of course, the positioning structure 22 may also be configured as a plurality of spaced-apart opening structures, the solid blocking structure 221 is a solid portion between two adjacent openings, and the void structure 222 is an opening structure.
The embodiment of the invention also provides a positioning system, which comprises a transmission device 1, a positioning detection device 3 and any one of the positioning calibration devices 2; the transmission device 1 drives the positioning calibration device 2 to move, and the positioning detection device 3 is arranged corresponding to the positioning structure 22. Since the positioning and calibrating device 2 has the above technical effects, the positioning system having the positioning and calibrating device 2 also has the same technical effects, and the description thereof is omitted.
It will be appreciated that the positioning detection means 3 are capable of detecting the positioning structure 22 on the positioning calibration means 2.
Preferably, the positioning detection device 3 includes a signal generating terminal 31 and a signal receiving terminal 32; the positioning structure 22 is disposed between the signal generating terminal 31 and the signal receiving terminal 32. In this embodiment, the positioning detection device 3 is a groove-shaped optical coupler sensor, and the signal transmission between the signal generating terminal 31 and the signal receiving terminal 32 is realized through the separation of the solid separation structure 221 and the signal transmission between the signal generating terminal 31 and the signal receiving terminal 32 through the gap structure 222, so that the detection of the positioning detection device 3 on the positioning structure 22 is realized, and the effect of positioning the detected position 23 is further realized. Of course, the positioning detection device 3 may be a pressure sensor, and the positioning effect is achieved by different pressure values when the positioning detection device 3 corresponds to the solid blocking structure 221 and the void structure 222. Infrared sensors and the like can also be used, which are not described in detail herein and are all within the protection range.
The positioning system provided by the embodiment of the invention further comprises a signal detection device 4 which is arranged corresponding to the positioning detection device 3, and the signal detection device 4 is used for detecting a detection sample at the detected position 23. The signal detection means 4 may comprise an energy source and energy detection means; or only an energy detection device can be arranged and matched with an external energy source for use. After the positioning detection device 3 is positioned with the corresponding structure, the signal detection device 4 is arranged corresponding to the detected position 23, and triggers the energy source to emit energy, so that the energy just influences the detected position 23, and the energy detection device detects the corresponding signal.
As shown in fig. 1 and fig. 2, in the present embodiment, the positioning detection device 3 and the signal detection device 4 are disposed correspondingly, that is, the positioning detection device 3 and the signal detection device 4 are arranged along the circumferential direction of the positioning calibration device 2 and are close to each other, and after the positioning detection device 3 detects and positions the positioning structure 22, the signal detection device 4 is aligned with the detected position 23, so that the signal detection device 4 can detect the detection sample of the detected position 23.
Of course, the positioning detection device 3 and the signal detection device 4 may be arranged in the central axis direction of the positioning calibration device 2, and it is only necessary to ensure that the signal detection device 4 is aligned with the detected position 23 after the positioning detection device 3 detects and positions the positioning structure 22.
In the present embodiment, the transmission 1 includes a power part 11 and a fixed part 12; the body of the power component 11 is connected with the fixed component 12, and the output end of the power component 11 is connected with the positioning and calibrating device 2. The fixing member 12 is a supporting member fixed on the working plane and supporting the working plane.
The transmission device 1 further comprises a connecting part 13, one side of the connecting part 13 is connected with the positioning and calibrating device 2 in a positioning mode, and the other side of the connecting part 13 is fixedly connected with the output end of the power part 11. By arranging the connecting part 13, the connection between the transmission device 1 and the positioning and calibrating device 2 is facilitated, so that the transmission device 1 drives the positioning and calibrating device 2 to move.
In the positioning system provided by the embodiment of the present invention, one of the connecting component 13 and the positioning and calibrating device 2 is provided with a positioning column 131, and the other component is provided with a positioning hole 21 matched with the positioning column 131. In the present embodiment, the connecting part 13 is provided with a positioning post 131, and the positioning and calibrating device 2 is provided with a positioning hole 21.
In order to improve the positioning stability, the number of the positioning holes 21 and the positioning posts 131 is plural. The number of the positioning holes 21 and the positioning posts 131 may be different. As shown in fig. 2, 3 and 4, six positioning columns 131 are provided on the connecting member 13, and three positioning columns 131 form a set. The positioning and calibrating device 2 is provided with three positioning holes 21, and the three positioning holes 21 correspond to the three positioning columns 131 in each group of positioning columns one to one. Through the arrangement, two positioning and calibrating devices 2 can be positioned on the connecting part 13, and each positioning and calibrating device 2 and the connecting part 13 are positioned by the combination of three pairs of positioning holes and positioning columns, so that the positioning effect of the positioning and calibrating devices 2 and the connecting part 13 is improved. Of course, the number of the positioning holes 21 and the positioning posts 131 can also be set to other values, which are not limited herein and are within the protection range.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A positioning system comprises a transmission device (1) and a positioning detection device (3), and is characterized by further comprising a positioning calibration device (2), wherein the positioning calibration device (2) comprises a device body driven by the transmission device (1) to move; the device body is provided with a positioning structure (22) and a detected position (23) for arranging a detected sample, so that the relative positions of the positioning structure (22) and the detected position (23) are fixed, and the detected position (23) and the positioning structure (22) are arranged on the device body, thereby effectively avoiding the relative movement between the two and improving the positioning accuracy;
the positioning structure (22) comprises solid blocking structures (221) and gap structures (222) which are alternately arranged along the moving direction of the device body, and one of the solid blocking structures (221) and the gap structures (222) is arranged corresponding to the detected position (23);
the transmission device (1) drives the positioning calibration device (2) to move, and the positioning detection device (3) is arranged corresponding to the positioning structure (22);
the transmission device (1) comprises a power part (11), a fixed part (12) and a connecting part (13); the body of the power component (11) is connected with the fixed component (12);
one side of the connecting part (13) is connected with the positioning and calibrating device (2) in a positioning mode, and the other side of the connecting part (13) is fixedly connected with the output end of the power part (11);
one of the connecting part (13) and the positioning and calibrating device (2) is provided with a positioning column (131), and the other part is provided with a positioning hole (21) matched with the positioning column (131);
the device body is a rotating structure rotating along the circle center of the device body, and the positioning column (131) or the positioning hole (21) arranged on the positioning calibration device (2) is positioned at the non-circle center position; the device body is of a disc structure or a fan-shaped structure adopting a microfluid technology;
the device also comprises a signal detection device (4) which is arranged corresponding to the positioning detection device (3) and is used for detecting the detection sample of the detected position (23).
2. The positioning system of claim 1, wherein the void structure (222) is disposed in correspondence with the detected location (23).
3. The positioning system of claim 1,
the positioning structure (22) is arranged at the outer edge of the rotating structure.
4. A positioning system according to claim 3, wherein the corresponding structure and the detected position (23) corresponding thereto are arranged in a radial direction of the rotating structure;
the corresponding structure is a structure which is arranged in the solid obstruction structure (221) and the gap structure (222) and corresponds to the detected position (23).
5. The positioning system according to any of claims 1-4, wherein the positioning structure (22) is a toothed structure.
6. The positioning system according to claim 1, wherein the positioning detection device (3) comprises a signal generating terminal (31) and a signal receiving terminal (32);
the positioning structure (22) is arranged between the signal generating end (31) and the signal receiving end (32).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121970.7A CN107643418B (en) | 2017-11-14 | 2017-11-14 | Positioning system and positioning calibration device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121970.7A CN107643418B (en) | 2017-11-14 | 2017-11-14 | Positioning system and positioning calibration device thereof |
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| CN107643418A CN107643418A (en) | 2018-01-30 |
| CN107643418B true CN107643418B (en) | 2021-01-26 |
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| CN201711121970.7A Active CN107643418B (en) | 2017-11-14 | 2017-11-14 | Positioning system and positioning calibration device thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112547141B (en) * | 2019-09-25 | 2022-05-31 | 深圳市刚竹医疗科技有限公司 | Coded disc structure for microfluidic positioning and microfluidic analysis device |
| CN111321058B (en) * | 2020-03-06 | 2023-06-27 | 成都博奥晶芯生物科技有限公司 | Microfluidic chip optical positioning code disc, device and method |
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| JPH07270429A (en) * | 1994-03-29 | 1995-10-20 | New Oji Paper Co Ltd | Auto-sampler |
| CN201780299U (en) * | 2010-08-03 | 2011-03-30 | 深圳市蓝韵实业有限公司 | Reaction disc of biochemical analyzer |
| CN107290562A (en) * | 2017-08-22 | 2017-10-24 | 重庆博奥新景医学科技有限公司 | A kind of automatic sample handling system detected for sample cell high flux |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2496025Y (en) * | 2001-08-27 | 2002-06-19 | 中国科学院长春光学精密机械与物理研究所 | Photoelectric position mechanism |
| CN105092868A (en) * | 2015-09-12 | 2015-11-25 | 丁鸿 | Rotary type integrated structure for sample and reagent positions by coagulation analyzer |
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2017
- 2017-11-14 CN CN201711121970.7A patent/CN107643418B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07270429A (en) * | 1994-03-29 | 1995-10-20 | New Oji Paper Co Ltd | Auto-sampler |
| CN201780299U (en) * | 2010-08-03 | 2011-03-30 | 深圳市蓝韵实业有限公司 | Reaction disc of biochemical analyzer |
| CN107290562A (en) * | 2017-08-22 | 2017-10-24 | 重庆博奥新景医学科技有限公司 | A kind of automatic sample handling system detected for sample cell high flux |
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