CN206362757U - A kind of fatty acid value automatic tester - Google Patents
A kind of fatty acid value automatic tester Download PDFInfo
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- CN206362757U CN206362757U CN201621353868.0U CN201621353868U CN206362757U CN 206362757 U CN206362757 U CN 206362757U CN 201621353868 U CN201621353868 U CN 201621353868U CN 206362757 U CN206362757 U CN 206362757U
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- fatty acid
- detection
- rotary table
- acid value
- automatic tester
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Abstract
The utility model discloses a kind of fatty acid value automatic tester, including frame, rotary table is provided with described frame, titration testing agency and pipetting device are respectively provided with the different azimuth of the circumferencial direction of rotary table, device has detection container on the table top of rotary table, rotary table rotation drives detection container to be changed between titration testing agency and pipetting device, the sample being also provided with frame in the sample stage of device shuttle, shuttle is injected into shuttle by pipetting device.The utility model realizes that automatic cycle titrates detection process, automaticity is high, the labor intensity of testing staff is greatly reduced, without human intervention, it is ensured that the uniformity of condition determination, accuracy of detection is high, cross pollution is few, ensures the reliability of measurement result, and detection efficiency is high, the subjectivity that artificial naked eyes judge titration end-point color is avoided, efficiency, accuracy and the fairness of detection grain is improved.
Description
Technical field
The utility model is related to grain testing instruments technical field, more particularly to a kind of fatty acid value automatic tester.
Background technology
The size of fatty acid value and change are an important indicators for reflecting grain quality quality.The grains such as paddy, corn
Cereal is suitable to be not suitable for continuing to store, and is mainly judged by this index.Fatty acid value is both by various conditions during grain management
Influence, also operated by sample in detection process and various external conditions influenceed.Aliphatic acid is dissolved in organic solvent, generally profit
The aliphatic acid in sample is extracted with absolute ethyl alcohol, is then titrated with standardized KOH solution, so as to try to achieve fatty acid value.
Fatty acid value occurs in that same sample different people is determined or different laboratory is determined based on determining by hand at this stage
Result fluctuation it is big, multiplicity is low, comparativity is poor, complex steps, Check-Out Time is long, and checked operation efficiency is low, reviewer's
Labor intensity is big, and accuracy of detection is low, and the judgement to grain quality brings difficulty.
Utility model content
Technical problem to be solved in the utility model and propose technical assignment be prior art is improved there is provided
Traditional cumbersome, efficiency of fatty acid value measure is low in a kind of fatty acid value automatic tester, the current technology of solution, detection essence
Degree is low, the problem of influence grain quality judges accuracy.
To solve above technical problem, the technical solution of the utility model is：
A kind of fatty acid value automatic tester, including frame, it is characterised in that rotary work is provided with described frame
Titration testing agency and pipetting device, rotary work are respectively provided with platform, the different azimuth of the circumferencial direction of rotary table
Device has a detection container on the table top of platform, rotary table rotation drive detection container titration testing agency and pipetting device it
Between change, the sample being also provided with frame in the sample stage of device shuttle, shuttle is injected into by pipetting device
In shuttle.Fatty acid value automatic tester described in the utility model is first by pipetting device by the sample in shuttle
Product transfer is transported in detection container, and then rotary table rotation drives detection container to be moved to titration testing agency and carries out fat
Rotary table drives detection container rotation to remove titration testing agency again after the completion of fat acid value measuring, measure, is completed determining
The progress titration detection operation that detection container afterwards is recycled after being cleaned.Whole fatty acid value automatic tester structure
It is compact, it is easy to use, realize that automatic cycle is handled, reduce the labor intensity of testing staff, without human intervention, so as to ensure to survey
The uniformity of fixed condition, it is to avoid extraneous factor causes measurement result fluctuation big, it is ensured that the accuracy of measurement result, detection efficiency
It is high, it is ensured that the progress of grain quality accurately to be judged.
Further, described pipetting device includes the first guide rail, and the glide direction of described the first guide rail is along sample stage
To rotary table, the second guide rail that vertical direction is set on the first sliding block, the first sliding block is provided with the first guide rail, second leads
Device liquid relief syringe needle on second sliding block, the second sliding block is set on rail, and liquid relief syringe needle is connected by pipe with liquid relief pump, simple in construction
It is compact, the operation of quantitative liquid relief can be easily realized, automaticity is high, and cross pollution is few, titration test structure is judged more
Plus it is accurate, save artificial cumbersome step.
Further, described titration testing agency includes being provided with lamp source and video camera in lamp box, lamp box, and lamp box
Top is provided with buret.The utility model passes through calculating using the color of the titration end-point in video camera shot detection container
Machine judges color value, it is to avoid artificial naked eyes judge the subjectivity of titration end-point color, improves the efficiency, accurate of detection grain
Property and fairness.
Further, described lamp box structure in echelon, two trapezoidal hypotenuses are located at the radial direction of rotary table, and ladder
Two hypotenuses of shape open up and are provided with baffle plate radially on breach, rotary table in the both sides of detection container, baffle dimensions with
The hypotenuse breach matching of trapezoidal lamp box, the hypotenuse of baffle plate and trapezoidal lamp box has been pieced together when detection container moves to titration testing agency
Whole face, makes lamp box turn into a closed darkroom, it is to avoid the accuracy that the influence of the other factors such as external light source is determined, and ensures simultaneously
Detection container can smoothly pass in and out lamp box so that fatty acid value automatic tester, which can be circulated, smoothly carries out liquid relief, titration detection
Operation.
Further, described sample stage is rounded and rotatable, on sample stage along the circumferential direction on be placed with it is some
Individual shuttle, can disposable multiple samples of continuous processing, improve detection efficiency, automaticity is high.
Further, setting bar code scan part alignment in bar-code label, frame is provided with described shuttle
Recorded in the shuttle of detection, pass through the cooperation of bar code scan part and bar-code label, it can be determined that work at present work
Whether there is shuttle on position, while recording the sample message for carrying out titrating detection, realize information system management, it is ensured that inspection
Measurement information is corresponded with sample, it is to avoid the situation of data corruption occur.
Further, some detection containers are along the circumferential direction evenly arranged with described rotary table so that drop
There is detection container at the position for determining testing agency and pipetting device, so as to the operation for carrying out liquid relief simultaneously, titration is detected, pole
Big raising equipment operating efficiency.
Further, wiper mechanism is additionally provided with the circumferencial direction of described rotary table, is completed in titration detection
After cleaned automatically, improve automaticity, further reduce artificial labor intensity, improve detection efficiency.
Further, described wiper mechanism includes cleaning syringe needle and drainage syringe needle, cleaning syringe needle and drainage syringe needle difference
It is connected by pipe with cleaning pump and positive displacement pump, cleaning syringe needle injects cleaning fluid by cleaning pump into detection container to be carried out clearly
Wash, then cleaning fluid is pumped out by discharge opeing so that noresidue cleaning fluid in detection container in drainage syringe needle, so that detection container energy
Enough direct cycle at pipetting device and carry out liquid relief, the process of titration detection again.
Further, described wiper mechanism also includes setting the 3rd to slide on the 3rd guide rail of vertical direction, the 3rd guide rail
Block, cleaning syringe needle and drainage syringe needle device are moved up and down along the 3rd guide rail therewith on the 3rd sliding block, and cleaning syringe needle holds from detection
The bottom sides cleaning side of device, which rises, improves cleaning degree, and drainage syringe needle can extend into detection container bottom so as to by detection container
Interior cleaning fluid is blotted only completely, it is to avoid the accuracy of the follow-up titration detection of cleaning fluid influence.
Compared with prior art, the utility model advantage is：
Fatty acid value automatic tester described in the utility model realizes that automatic cycle titrates detection process, automaticity
Height, saves manually-operated tedious steps, greatly the labor intensity of reduction testing staff, without human intervention, so as to ensure
The uniformity of condition determination, accuracy of detection is high, and cross pollution is few, it is to avoid extraneous factor causes measurement result fluctuation big, it is ensured that survey
Determine the accuracy of result, detection efficiency is high, it is to avoid artificial naked eyes judge the subjectivity of titration end-point color, improve detection grain
Efficiency, accuracy and fairness.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of pipetting device；
Fig. 3 is the structural representation of lamp box；
Fig. 4 is the structural representation of wiper mechanism.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
A kind of fatty acid value automatic tester disclosed in the utility model embodiment, the automatic measure for carrying out fatty acid value,
Instead of manual measurement, labor intensity is reduced, detection efficiency is high, be prevented effectively from environmental disturbances to measure the influence of gimmick, intersected dirty
Dye is few, and accuracy in detection is high, stability is good, and compact equipment takes small volume, high using reliability.
As shown in Figures 1 to 4, rotation is provided with a kind of fatty acid value automatic tester, including frame 1, described frame 1
Titration testing agency 3, pipetting device 4 are respectively provided with revolving worktable 2, the different azimuth of the circumferencial direction of rotary table 2
And wiper mechanism 9, device has detection container 5 on the table top of rotary table 2, and detection container 5 is in rotary table 2
Several are along the circumferential direction evenly arranged with table top, the sample stage 7 of device shuttle 6 is also provided with frame 1, sample holds
Sample in device 6 is injected into shuttle 6 by pipetting device 4, and the rotation of rotary table 2 drives detection container 5 in titration
Changed between the work station of testing agency 3, pipetting device 4 and wiper mechanism 9.
First is located at the detection container 5 of the position of pipetting device 4 after sample is added, and rotary table 2 drives first
The station of the individual rotation of detection container 5 extremely titration testing agency 3 carries out titration detection, while second detection container 5 is rotated to shifting
The station of liquid mechanism 4 carries out the pipetting of second sample；Completed and second in first titration detection of detection container 5
After the pipetting of detection container 5 is complete, rotary table 2 rotates again, and first detection container 5 is moved to the work of wiper mechanism 9
Position carries out cleaning operation, the sample solution of detection container 5 is removed, it is to avoid cross pollution, while second detection container 5 is moved to drop
Determine testing agency 3, the station that the 3rd detection container 5 enters pipetting device 4 carries out the pipetting of the 3rd sample；Cleaning
What clean detection container 5 was then recycled is again introduced into the flow that pipetting device 4 repeats detection above.Fat described in the utility model
Fat acid number automatic tester automaticity is high, can synchronously carry out liquid relief, titration detection and matting, greatly improve detection
Efficiency, saves the tedious steps manually detected, reduces artificial labor intensity, it is ensured that the uniformity of condition determination, improves detection
Precision, it is ensured that the reliability of measurement result.
Wiper mechanism 9 can be changed to open up the window of cleaning in relevant position, by manually by the detection after the completion of titration detection
Container 5 carries out manual cleaning after taking out, then again put back to the detection container 5 cleaned up on rotary table 2, it is ensured that cleaning
Totally, it is to avoid sample cross contamination.
In this embodiment, pipetting device 4 is realized the sample in shuttle 6 using the guide rail mechanism of straight line with pump and syringe needle
Originally it is transported to the function of detection container 5, pipetting device 4 includes the first guide rail 41, the glide direction edge of described the first guide rail 41
Sample stage 7 is provided with the first sliding block 42, the first sliding block 42 to rotary table 2, on the first guide rail 41 and sets vertical direction
Device liquid relief syringe needle 45 on second sliding block 44, the second sliding block 44 is set on second guide rail 43, the second guide rail 43, and liquid relief syringe needle 45 leads to
Pipe is crossed to be connected with liquid relief pump 46.When carrying out pipetting, liquid relief syringe needle 45 is first moved to external alcohol cup, draws alcohol
To liquid relief syringe needle 45 carry out rinse, alcohol of then draining, it is to avoid sample cross contamination, then liquid relief syringe needle 45 be moved to sample appearance
Sample solution is drawn in the position of device 6, is then moved at detection container 5 and discharges sample solution, is also connected with liquid relief syringe needle 45
There is peristaltic pump, indicator is added in detection container 5 by peristaltic pump by liquid relief syringe needle 45, after the completion of pipetting, rotate work
Make platform 2 and drive the rotation of detection container 5 equipped with sample to the station for titrating testing agency 3.
Titrating testing agency 3 includes being provided with lamp source and video camera in lamp box 31, lamp box 31, and the top of lamp box 31 is set
Buret 34, buret 34 is added after potassium hydroxide indicator into the detection container 5 equipped with sample, shot by video camera
The change of volumetric soiutions, is analyzed shooting image, and color value is judged by computer, so as to read fatty acid value, is kept away
The subjectivity that artificial naked eyes judge titration end-point color is exempted from, in the present embodiment, the structure in echelon of lamp box 31, trapezoidal two are oblique
Side is located at the radial direction of rotary table 2, and two trapezoidal hypotenuses are opened up on breach, rotary table 2 the two of detection container 5
Side is provided with baffle plate 33 radially, and the size of baffle plate 33 is matched with the hypotenuse breach of trapezoidal lamp box 31, and detection container 5 moves to titration
The hypotenuse of baffle plate 33 and trapezoidal lamp box 31 pieces together complete face during testing agency 3, lamp box is turned into a closed darkroom, it is to avoid
The accuracy that the influence of the other factors such as external light source is determined.
In order to be able to which the titration for being carried out continuously multiple samples is detected, sample stage 7 is provided in round and rotatably, sample stage
On 7 along the circumferential direction on be placed with several shuttles 6, sample stage 7 easy and convenient can be picked and placeed from frame 1, lead to
Cross rotation and different shuttles 6 is moved to the operating position of pipetting device 4 successively, so as to realize the inspection of continuous multisample
Survey, improve detection efficiency, reduce hand labor intensity；It is provided with simultaneously on shuttle 6 in bar-code label, frame 1 and bar is set
Code sweep unit 8 aligns the shuttle 6 in detection and recorded, and can accurately detect sample introduction information, realize information system management.
In the present embodiment, wiper mechanism 9, which is provided with the 3rd guide rail 95 of vertical direction, the 3rd guide rail 95, sets the 3rd
Device has cleaning syringe needle 91 and drainage syringe needle 92 on sliding block 96, the 3rd sliding block 96, and motor drives the 3rd sliding block 96 along the 3rd guide rail
95 are slided up and down, and cleaning syringe needle 91 and drainage syringe needle 92 are connected by pipe with cleaning pump 93 and positive displacement pump 94 respectively, cleaning pump
93 other end is connected to distillation cup and alcohol cup, and the other end of positive displacement pump 94 is connected to waste liquid cup.When being cleaned, the
Three sliding blocks 96 drive drainage syringe needle 92 to decline the volumetric soiutions extending into the base extinction detection container 5 of detection container 5, then
3rd sliding block 96 rises, and cleaning syringe needle 91 rinses side from the bottom sides of detection container 5 and risen, after the completion of flushing operation, and the 3rd slides
Block 96 declines again, and drainage syringe needle 2 extend into the bottom of detection container 5 and blots the cleaning fluid in detection container only completely again, it is to avoid
The sample solution that contaminated cleaning solution is subsequently added, ensures titration detection accuracy.
Mixer 10 is provided with the lower section of rotary table 2, mixer 10 is just to the titration station of testing agency 3 and cleaning
Detection container 5 at the station of mechanism 9, detection container 5 is built-in to put magnetic stirrer, and mixer drives stirrer rotation to inspection
Solution in xylometer 5 is stirred, and at titration testing agency 3 station, stirring operation causes indicator to be filled with sample solution
Divide mixing, improve detection accuracy, and at the station of wiper mechanism 9, stirring power makes cleaning more abundant, it is to avoid under remaining influence
Titration detection accuracy once.
It the above is only preferred embodiment of the present utility model, it is noted that above-mentioned preferred embodiment should not be regarded
For to limitation of the present utility model, protection domain of the present utility model should be defined by claim limited range.For
For those skilled in the art, do not departing from spirit and scope of the present utility model, can also make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of fatty acid value automatic tester, including frame (1), it is characterised in that rotation is provided with described frame (1)
Titration testing agency (3) and liquid relief are respectively provided with workbench (2), the different azimuth of the circumferencial direction of rotary table (2)
Device has detection container (5) on mechanism (4), the table top of rotary table (2), and rotary table (2) rotation drives detection container
(5) changed between titration testing agency (3) and pipetting device (4), device shuttle (6) is also provided with frame (1)
Sample in sample stage (7), shuttle (6) is injected into shuttle (6) by pipetting device (4).
2. fatty acid value automatic tester according to claim 1, it is characterised in that described pipetting device (4) includes
First guide rail (41), the glide direction of described the first guide rail (41) is along sample stage (7) to rotary table (2), the first guide rail
(41) the second guide rail (43) that vertical direction is set on the first sliding block (42), the first sliding block (42), the second guide rail are provided with
(43) device liquid relief syringe needle (45) on the second sliding block (44), the second sliding block (44) is set on, liquid relief syringe needle (45) by pipe with
Liquid relief pump (46) is connected.
3. fatty acid value automatic tester according to claim 1, it is characterised in that described titration testing agency (3)
Including lamp box (31), it is provided with lamp box (31) at the top of lamp source and video camera, and lamp box (31) and is provided with buret (32).
4. fatty acid value automatic tester according to claim 3, it is characterised in that described lamp box (31) is tied in echelon
Structure, two trapezoidal hypotenuses are located at the radial direction of rotary table (2), and two trapezoidal hypotenuses open up breach, rotary table (2)
On baffle plate (33) radially, baffle plate (33) size and the hypotenuse of trapezoidal lamp box (31) are provided with the both sides of detection container (5)
Breach is matched, and the hypotenuse of baffle plate (33) and trapezoidal lamp box (31) has been pieced together when detection container (5) moves to titration testing agency (3)
Whole face.
5. fatty acid value automatic tester according to claim 1, it is characterised in that described sample stage (7) is rounded
And it is rotatable, on sample stage (7) along the circumferential direction on be placed with several shuttles (6).
6. fatty acid value automatic tester according to claim 5, it is characterised in that set on described shuttle (6)
Be equipped with bar-code label, frame (1) set bar code scan part (8) align in detection shuttle (6) recorded.
7. fatty acid value automatic tester according to claim 1, it is characterised in that on described rotary table (2)
Along the circumferential direction it is evenly arranged with some detection containers (5).
8. fatty acid value automatic tester according to claim 1, it is characterised in that described rotary table (2)
Wiper mechanism (9) is additionally provided with circumferencial direction.
9. fatty acid value automatic tester according to claim 8, it is characterised in that described wiper mechanism (9) includes
Syringe needle (91) and drainage syringe needle (92) are cleaned, cleaning syringe needle (91) and drainage syringe needle (92) pass through pipe and cleaning pump (93) respectively
With positive displacement pump (94) connection.
10. fatty acid value automatic tester according to claim 9, it is characterised in that described wiper mechanism (9) is also wrapped
Include the 3rd sliding block (96) of setting on the 3rd guide rail (95) of vertical direction, the 3rd guide rail (95), cleaning syringe needle (91) and discharge opeing pin
Head (92) device is moved up and down along the 3rd guide rail (95) therewith on the 3rd sliding block (96).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353868.0U CN206362757U (en) | 2016-12-09 | 2016-12-09 | A kind of fatty acid value automatic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353868.0U CN206362757U (en) | 2016-12-09 | 2016-12-09 | A kind of fatty acid value automatic tester |
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| Publication Number | Publication Date |
|---|---|
| CN206362757U true CN206362757U (en) | 2017-07-28 |
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ID=59374194
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621353868.0U Active CN206362757U (en) | 2016-12-09 | 2016-12-09 | A kind of fatty acid value automatic tester |
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| CN (1) | CN206362757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770913A (en) * | 2016-12-09 | 2017-05-31 | 中储粮成都粮食储藏科学研究所 | A kind of fatty acid value automatic tester |
| CN111375453A (en) * | 2018-12-27 | 2020-07-07 | 上海凯璟生物科技有限公司 | Automatic change micro-fluidic device |
| CN111505201A (en) * | 2020-04-24 | 2020-08-07 | 李莉 | Potentiometric titrator structure capable of automatically cleaning and discharging waste |
-
2016
- 2016-12-09 CN CN201621353868.0U patent/CN206362757U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770913A (en) * | 2016-12-09 | 2017-05-31 | 中储粮成都粮食储藏科学研究所 | A kind of fatty acid value automatic tester |
| CN111375453A (en) * | 2018-12-27 | 2020-07-07 | 上海凯璟生物科技有限公司 | Automatic change micro-fluidic device |
| CN111505201A (en) * | 2020-04-24 | 2020-08-07 | 李莉 | Potentiometric titrator structure capable of automatically cleaning and discharging waste |
| CN111505201B (en) * | 2020-04-24 | 2022-12-16 | 士业电子科技徐州有限公司 | Potentiometric titrator structure capable of automatically cleaning and discharging waste |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610091 32 32, Guang Fu Road, Qingyang District, Chengdu, Sichuan. Co-patentee after: CHENGDU CHINA GRAIN RESERVES QUALITY MONITORING AND DETECTION CO., LTD. Patentee after: Chengdu Grain Storage Research Institute Co. Ltd. Address before: 610091 32 32, Guang Fu Road, Qingyang District, Chengdu, Sichuan. Co-patentee before: CHENGDU CHINA GRAIN RESERVES QUALITY MONITORING AND DETECTION CO., LTD. Patentee before: SINOGRAIN CHENGDU GRAIN STORAGE RESEARCH INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |