CN209542625U - A kind of colloidal gold detector - Google Patents
A kind of colloidal gold detector Download PDFInfo
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- CN209542625U CN209542625U CN201822063137.8U CN201822063137U CN209542625U CN 209542625 U CN209542625 U CN 209542625U CN 201822063137 U CN201822063137 U CN 201822063137U CN 209542625 U CN209542625 U CN 209542625U
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- colloidal
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- gold
- image acquisition
- clamp fixation
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Abstract
The utility model discloses a kind of colloidal gold detector, including sample injection unit, image acquisition device, screen display unit, data processing unit and control unit；The sample injection unit includes colloidal-gold detecting-card, detection clamp fixation device and servo step motor；The detection clamp fixation device is hollow frame structure, and colloidal-gold detecting-card can be fixed on detection clamp fixation device and the bottom of colloidal-gold detecting-card is equipped with protrusion；Servo step motor rotates and colloidal-gold detecting-card is driven to move to below image acquisition device, test card slot is additionally provided with below image acquisition device, test card slot is equipped with the groove with the protrusion on colloidal-gold detecting-card to cooperation, trigger sensor, the sensor connection data processing unit and control unit are equipped in groove；Described control unit connects and controls servo step motor and image acquisition device.The colloidal gold detector of the utility model can measure multiple detections card simultaneously, can automatic and accurate sample introduction, guarantee the stability and accuracy of measurement.
Description
Technical field
The utility model belongs to detecting instrument field, and in particular to arrives a kind of colloidal gold detector.
Background technique
When carrying out pattern detection using colloidal-gold detecting-card, after sample to be examined is added drop-wise to detection card sample cell, sample
It can move forward, and react to each other after colloid gold marked reagent through capillary action, then be moved to the area of fixed antigen or antibody
When domain, the conjugate of object and gold marked reagent to be checked occurs specific binding therewith again and is trapped, and CT line is gathered in detection band
On visual window, by the image acquisition device that is arranged in detector be usually (CCD or CMOS) to the color development area of detection card into
Row Image Acquisition passes through software analysis image and decision analysis result.
Existing detector sample introduction generally by the way of being manually inserted into detection card, but due to the reaction mark of detection card
Line is thinner, if deviation occur in CT line and image acquisition device position, may result in data can not be read.
In addition existing detector can only once detect a detection card mostly, and the detection for not being able to satisfy batch samples needs
It asks.
Chinese patent CN20203795U discloses a kind of colloidal gold detector, it includes cutting ferrule, the cutting ferrule and colloid
The body of golden detector is connected using drawing and pulling type；The cutting ferrule is by bottom plate and positioned at the front, rear, left and right wall side group of bottom plate surrounding
At four wall sides and bottom plate surround the groove for placing test card.The utility model is small in size, using simple, conveniently.But
The colloidal gold detector of the patent can only disposably detect a colloidal-gold detecting-card, and testing efficiency is low, and use manual pull
Colloidal gold test is placed under camera test of taking pictures by the mode of card slot and cutting ferrule, may be made due to the error of manual operation
Be easy to produce between CT line visual window and image collecting device deviation cause data can not read or measurement result inaccuracy.
Summary of the invention
In view of the problems of the existing technology the purpose of this utility model is, it is intended at least solution prior art problem it
One, a kind of colloidal gold detector, stability and accuracy with higher are provided.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of colloidal gold detector, including sample injection unit, image acquisition device, screen display unit, data processing unit and
Control unit；It is characterized in that, the sample injection unit includes colloidal-gold detecting-card, detection clamp fixation device and servo stepping electricity
Machine；The detection clamp fixation device is hollow frame structure, and colloidal-gold detecting-card can be fixed on detection clamp fixation device and colloid
The bottom of gold detection card is equipped with protrusion；The servo step motor rotates and colloidal-gold detecting-card is driven to move to image acquisition device
Lower section, is additionally provided with test card slot below image acquisition device, and test card slot is equipped with the protrusion on colloidal-gold detecting-card to cooperation
Groove, trigger sensor, the sensor connection data processing unit and control unit are equipped in groove；Described control unit
It connects and controls servo step motor and image acquisition device.
The colloidal gold detector of the utility model detects on clamp fixation device in use, being first fixed on colloidal-gold detecting-card,
Moved to below image acquisition device using servo step motor driving colloidal-gold detecting-card, the protrusion of colloidal-gold detecting-card bottom with
When trigger sensor in test card slot groove is in contact, sensor controls servo step motor stop motion by control unit
And image acquisition device is driven to carry out Image Acquisition.Matched by the protrusion of colloidal-gold detecting-card bottom and the groove of test card slot
It closes, and accurately controls the position of colloidal-gold detecting-card with stepper motor, CT linear window can be made accurately to be in the upper of image acquisition device
Side, more common manpower more convenient operation, and sample introduction speed is more stable, positioning is more acurrate, improves the stability and essence of instrument
Exactness.
As a kind of preferred embodiment of the utility model, the detection clamp fixation device is fixed on the screw rod of lead screw transmission mechanism
On nut；Servo step motor drives detection clamp fixation device movement by driving lead screw transmission mechanism.
This programme drives detection clamp fixation device to advance and drives colloidal-gold detecting-card linear motion, fortune by lead screw transmission mechanism
Dynamic speed is controllable, and kinematic accuracy is higher, guarantees the stability and accuracy of instrument.
It is further preferred that being fixed with multiple detection card fixing grooves disposed in parallel on the detection clamp fixation device, often
A colloidal-gold detecting-card can be fixed in a fixing groove；Multiple test card slots are correspondingly provided with below image acquisition device.
Multiple fixing grooves, which are arranged, in this originating party case detection clamp fixation device can fix a colloidal gold inspection detection card, improve batch inspection
Measurement improves detection efficiency.
Preferably, the lead screw transmission mechanism is equipped with limiting device.Limiting device is arranged can be by feed screw nut and detection
Clamp fixation device is limited to movement in suitable range.
Preferably, support base is set in the lead screw transmission mechanism, and support base is connect by bearing with screw rod.
By the way that support base is arranged, keep the stability of screw rod transmission higher, the service life is longer, also improves detection card and fixes
The stability that device slides on screw rod.
As another preferred embodiment of the utility model, the detection clamp fixation device be fixed on turntable and on turntable around
Shaft is evenly arranged multiple detection clamp fixation devices, fixes a colloidal-gold detecting-card on each detection clamp fixation device；Servo stepping
Motor drives detection clamp fixation device movement by driving turntable rotation.
This programme detects clamp fixation device by driven by rotary disc and colloidal-gold detecting-card moves, and is driven by servo step motor
Colloidal-gold detecting-card not only can be accurately moved to below image acquisition device by turntable rotation, and multiple colloids can also be arranged simultaneously
Gold detection blocks while detecting, and greatly improves detection efficiency.
Preferably, described image collector is fixed on the second screw rod machine transmission mechanism, the driving of the second servo step motor
Second screw rod simultaneously drives image acquisition device in test card slot upper direction.
The image acquisition device of this programme can also be moved by lead screw transmission mechanism and servo step motor driving, i.e.,
Make since error causes CT line position difference occur between batch in production process, can also be adjusted by the second lead screw transmission mechanism
The position of image acquisition device carries out CT line and precisely identifies, further decreases detection error.
Preferably, it is additionally provided with two dimensional code on the colloidal-gold detecting-card, two dimensional code knowledge is additionally provided on described image collector
Other unit.The image acquisition device of this programme both can both can by image recognition CT line, can also by identification two dimensional code can
To know the reagent lot of test sample and will test project and testing result sends data processing unit and control unit to, close
Join two dimensional code and detection project and testing result, two dimension is scanned by mobile device after taking-up colloidal-gold detecting-card after being completed
Code can be convenient reagent lot, detection project and the testing result for obtaining sample.
Preferably, the trigger sensor is also connected with loudspeaker, when on the groove and colloidal-gold detecting-card in test card slot
Projection contacts when, trigger sensor can trigger loudspeaker issue warning reminding.This programme trigger sensor and colloidal gold detect
Triggering loudspeaker is issued into warning reminding when card contact, testing staff can be allowed to understand perception detection progress and whether judge progress
Smoothly, exception occur can on-call maintenance.
Compared with prior art, the utility model has the beneficial effects that
1, matched by the protrusion of colloidal-gold detecting-card bottom with the groove of test card slot, and with stepper motor automatically into
Sample and the position for accurately controlling colloidal-gold detecting-card, can make CT linear window accurately be in the top of image acquisition device, more common
Manpower more convenient operation, and sample introduction speed is more stable, positioning is more acurrate, improves the stability and accuracy of instrument.
2, the position of image acquisition device can be accurately adjusted by the second lead screw transmission mechanism, be further reduced because producing
Detection error caused by error between CT line position batch in journey improves detection accuracy.
3, multiple detection cards once be can detect, can be switched fast and accurately adjust the position of detection card, meet high-volume sample
The detection demand of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the colloidal gold detector of the utility model embodiment 1；
Fig. 2 is the schematic diagram of mechanism near the colloidal gold detector turntable of the utility model embodiment 1；
Fig. 3 is the schematic top plan view of the colloidal gold detector turntable of the utility model embodiment 1；
Fig. 4 is the enlarged structure schematic diagram of the test card slot of the colloidal gold detector of the utility model embodiment 1；
Fig. 5 is the structural schematic diagram of the colloidal gold detector of the utility model embodiment 2；
Fig. 6 is that sample injection unit and image acquisition device are isostructural inside the colloidal gold detector of the utility model embodiment 2
Schematic top plan view；
Fig. 7 is that sample injection unit and image acquisition device are isostructural inside the colloidal gold detector of the utility model embodiment 2
Schematic side view；
Fig. 8 is the enlarged structure schematic diagram of the test card slot of the colloidal gold detector of the utility model embodiment 2；
In figure: 1, sample injection unit；2, image acquisition device；3, display control screen is touched；4, colloidal-gold detecting-card；401, convex
It rises；5, clamp fixation device is detected；6, the first servo step motor；7, the second servo step motor；8, test card slot；801, groove；
9, turntable；10, the first lead screw transmission mechanism；11, the second lead screw transmission mechanism；12, sensor；13, limiting device；14, it supports
Seat；15, bearing；16, two dimensional code.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is carried out clear；Completely retouch
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art under the conditions of not making creative work it is obtained it is all its
Its embodiment, fall within the protection scope of the utility model.
Embodiment 1
As shown in Figs 1-4, a kind of colloidal gold detector of the present embodiment, including sample injection unit 1, image acquisition device 2, screen
Display unit, data processing unit and control unit；The screen display unit of the present embodiment is connected with control unit, using touch
Display control screen 3 and the front that colloidal gold detector is arranged in, the top of the colloidal gold detector of the present embodiment is equipped with can be with inspection
Survey the hinged sample introduction door of instrument, sample injection unit 1 is arranged in the lower section of sample introduction door, the sample injection unit 1 include colloidal-gold detecting-card 4,
Detect clamp fixation device 5 and the first servo step motor 6；The detection clamp fixation device 5 is hollow frame structure, colloidal gold inspection
Survey card can be fixed on detection clamp fixation device 5 and the bottom of colloidal-gold detecting-card 4 is equipped with arcuation protrusion；The first servo stepping
Motor 6 rotates and colloidal-gold detecting-card 4 is driven to move to 2 lower section of image acquisition device, is additionally provided with detection card below image acquisition device 2
Slot 8, test card slot 8 is one section to be equipped with and the protrusion on colloidal-gold detecting-card 4 with cambered annulus, and among test card slot 8
401 to cooperation groove 801, trigger sensor 12, the sensor connection data processing unit and control are equipped in groove 801
Unit；Described control unit connects and controls the first servo step motor and image acquisition device.
Specifically, the detection clamp fixation device 5 is fixed on turntable 9 and is arranged on turntable 9 eight detection clamp fixation devices 5,
Eight detection clamp fixation devices 5 are uniformly arranged in a ring around 9 shaft of turntable, and the turntable of 5 lower section of detection clamp fixation device is engraved structure,
Each detection clamp fixation device 5 can fix a colloidal-gold detecting-card 4 by the shackle member at both ends；First servo step motor 6.If
It sets the lower section in turntable 9 and is connected with the shaft of turntable 9, drive detection clamp fixation device 5 to move by the driving rotation of turntable 9.
Described image collector 2 is fixed on the second screw rod machine transmission mechanism 11, the second servo step motor 7 driving second
Screw rod simultaneously drives image acquisition device 2 in 8 upper direction of test card slot.
First sample introduction door is opened when use, multiple detections card is then fixed on detection clamp fixation device by specific direction respectively
On, sample introduction door is closed, turntable rotation is controlled by touching display control screen, is successively precisely moved to multiple colloidal-gold detecting-cards
Below image acquisition device, and cooperate with test card slot, starts image acquisition device and carry out data analysis, data collection and analysis process
Found in if data have not been obtained successfully or data and it is default be deteriorated larger, can be adopted by the second screw rod machine transmission mechanism fine tuning image
The position of storage, to obtain more accurately data.
The colloidal gold test instrument of the utility model is small, light portable；By colloidal-gold detecting-card bottom protrusion with
The groove of test card slot matches, and with stepper motor automatic sampling and accurately controls the position of colloidal-gold detecting-card, can make CT
Linear window is accurately in the top of image acquisition device, more common manpower more convenient operation, and sample introduction speed is more stable, and positioning is more
Accurately, the stability and accuracy of instrument are improved.It the position of image acquisition device can be accurate by the second lead screw transmission mechanism
It adjusts, detection error caused by being further reduced because of error between CT line position batch in production process, improves detection accuracy.Once
It can detect multiple detection cards, drive turntable rotation that can be switched fast by stepper motor and accurately adjust the position of detection card, it is full
The detection demand of sufficient batch samples.
Embodiment 2
As viewed in figures 5-8, in the colloidal gold detector of the present embodiment, using touch display control screen 3 and it is arranged in colloid
The top of golden detector, the front of the colloidal gold detector of the present embodiment are equipped with sample introduction door that can be hinged with detector, sample introduction list
The inside of sample introduction door is arranged in member 1, and the detection clamp fixation device 5 is fixed on the feed screw nut of the first lead screw transmission mechanism 10；
First servo step motor 6 drives detection clamp fixation device 5 to move by the first lead screw transmission mechanism 10 of driving.The detection fixes
Determine to be fixed with four detection card fixing grooves disposed in parallel on device 5, can be fixed in each fixing groove by the shackle member at both ends
One colloidal-gold detecting-card 4；Four test card slots 8 are correspondingly provided with below image acquisition device 2.
First lead screw transmission mechanism 10 is equipped with the motion range that limiting device 13 is used to limit feed screw nut.It is described
Upper in the middle part of first lead screw transmission mechanism 10 that a support base 14 is arranged, support base 14 is connect by bearing 15 with screw rod.
It is additionally provided with two dimensional code 16 on the colloidal-gold detecting-card 4, it is single that two dimensional code identification is additionally provided on described image collector
Member.
The structure of test card slot with it is slightly different in embodiment 1, the test card slot 8 of the present embodiment is without radian, detection
The groove 801 of semi-cylindrical is set among card slot 8；Trigger sensor is also connected with loudspeaker, when the groove 801 in test card slot 8
When contacting with the protrusion 401 on colloidal-gold detecting-card, trigger sensor can trigger loudspeaker and issue warning reminding.
It is other same as Example 1.
The colloidal gold test instrument of the utility model also has small, light portable advantage, and image acquisition device is complete
Entirely hidden in internal body, appearance is cleaner and tidier, can test multiple detections cards simultaneously, and multiple detections card is placed in parallel more just
Just, cooperate test card slot that can also stablize mobile by two lead screw transmission mechanism and be accurately positioned colloidal-gold detecting-card, guarantee
The stability and accuracy of apparatus measures.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that in the case where not departing from the principles of the present invention and spirit a variety of variations can be carried out to these embodiments；It repairs
Change；Replacement and variant, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of colloidal gold detector, including sample injection unit, image acquisition device, screen display unit, data processing unit and control
Unit processed；It is characterized in that, the sample injection unit includes colloidal-gold detecting-card, detection clamp fixation device and servo step motor；
The detection clamp fixation device is hollow frame structure, and colloidal-gold detecting-card can be fixed on detection clamp fixation device and colloidal gold is examined
The bottom for surveying card is equipped with protrusion；The servo step motor rotates and colloidal-gold detecting-card is driven to move under image acquisition device
Side, is additionally provided with test card slot below image acquisition device, and test card slot is equipped with the protrusion on colloidal-gold detecting-card to cooperation
Groove is equipped with trigger sensor, the sensor connection data processing unit and control unit in groove；Described control unit connects
It connects and controls servo step motor and image acquisition device.
2. colloidal gold detector according to claim 1, which is characterized in that the detection clamp fixation device is fixed on screw rod biography
On the feed screw nut of motivation structure；Servo step motor drives detection clamp fixation device movement by driving lead screw transmission mechanism.
3. colloidal gold detector according to claim 2, which is characterized in that be fixed on the detection clamp fixation device more
A detection card fixing groove disposed in parallel can fix a colloidal-gold detecting-card in each fixing groove；It is right below image acquisition device
Multiple test card slots should be equipped with.
4. colloidal gold detector according to claim 1, which is characterized in that the detection clamp fixation device is fixed on turntable
And multiple detection clamp fixation devices are evenly arranged on turntable around the shaft, a colloidal gold detection is fixed on each detection clamp fixation device
Card；Servo step motor drives detection clamp fixation device movement by driving turntable rotation.
5. colloidal gold detector according to claim 1, which is characterized in that described image collector is fixed on the second screw rod
On machine transmission mechanism, the second servo step motor drives the second screw rod and drives image acquisition device in test card slot upper direction.
6. according to claim 1 to 5 described in any item colloidal gold detectors, which is characterized in that on the colloidal-gold detecting-card
It is additionally provided with two dimensional code, two dimensional code recognition unit is additionally provided on described image collector.
7. according to claim 1 to 5 described in any item colloidal gold detectors, which is characterized in that the trigger sensor also connects
Loudspeaker is connect, when the projection contacts on the groove and colloidal-gold detecting-card in test card slot, trigger sensor can trigger loudspeaking
Device issues warning reminding.
8. colloidal gold detector according to claim 2 or 3, which is characterized in that the lead screw transmission mechanism is equipped with limit
Position device.
9. colloidal gold detector according to claim 2 or 3, which is characterized in that branch is arranged in the lead screw transmission mechanism
Seat is supportted, support base is connect by bearing with screw rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822063137.8U CN209542625U (en) | 2018-12-10 | 2018-12-10 | A kind of colloidal gold detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822063137.8U CN209542625U (en) | 2018-12-10 | 2018-12-10 | A kind of colloidal gold detector |
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| CN209542625U true CN209542625U (en) | 2019-10-25 |
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| CN201822063137.8U Active CN209542625U (en) | 2018-12-10 | 2018-12-10 | A kind of colloidal gold detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213301A (en) * | 2020-09-15 | 2021-01-12 | 四川行之智汇知识产权运营有限公司 | Collecting and detecting device for hemoglobin in blood |
| CN113702562A (en) * | 2021-08-26 | 2021-11-26 | 浙江大学中原研究院 | Multi-mode integrated detector for chromatographic synchronous sample measurement and use method |
| CN114216904A (en) * | 2021-12-01 | 2022-03-22 | 江苏农牧科技职业学院 | Food safety comprehensive detector |
-
2018
- 2018-12-10 CN CN201822063137.8U patent/CN209542625U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213301A (en) * | 2020-09-15 | 2021-01-12 | 四川行之智汇知识产权运营有限公司 | Collecting and detecting device for hemoglobin in blood |
| CN113702562A (en) * | 2021-08-26 | 2021-11-26 | 浙江大学中原研究院 | Multi-mode integrated detector for chromatographic synchronous sample measurement and use method |
| CN113702562B (en) * | 2021-08-26 | 2023-11-14 | 浙江大学中原研究院 | Multi-mode integrated detector for chromatographic synchronous sample measurement and use method |
| CN114216904A (en) * | 2021-12-01 | 2022-03-22 | 江苏农牧科技职业学院 | Food safety comprehensive detector |
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