CN210401440U - PH value test system - Google Patents
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- CN210401440U CN210401440U CN201921313269.XU CN201921313269U CN210401440U CN 210401440 U CN210401440 U CN 210401440U CN 201921313269 U CN201921313269 U CN 201921313269U CN 210401440 U CN210401440 U CN 210401440U
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 201
- 238000001514 detection method Methods 0.000 claims abstract description 91
- 238000002347 injection Methods 0.000 claims abstract description 74
- 239000007924 injection Substances 0.000 claims abstract description 74
- 238000000605 extraction Methods 0.000 claims abstract description 70
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 49
- 239000012085 test solution Substances 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 36
- 239000002699 waste material Substances 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 9
- 238000012795 verification Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims 1
- 239000000523 sample Substances 0.000 description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000861 blow drying Methods 0.000 description 4
- 230000002572 peristaltic effect Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000013142 basic testing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
本实用新型涉及自动化检测技术领域，公开了一种pH值测试系统，包括机架，在机架上设置样品容器单元、注液抽液单元、pH检测单元和控制单元，所述样品容器单元包括摇床、容器架和样品容器，注液抽液单元包括第一水平轨、注液抽液机械臂、注液升降架和抽液升降架，pH检测单元包括第二水平轨、pH检测升降架、移液升降架和检测容器，所述注液抽液单元连接至试液源，所述pH检测单元连接至注液抽液单元，控制单元控制注液抽液单元从样品容器单元抽取反应过的试剂送至pH检测单元进行pH测试。本实用新型实现对样品自动完成从样品试剂反应、pH检测等一系列操作，提高工作效率和检测精确度。
The utility model relates to the technical field of automatic detection, and discloses a pH value testing system, comprising a rack, a sample container unit, a liquid injection and extraction unit, a pH detection unit and a control unit are arranged on the rack, and the sample container unit includes Shaker, container rack and sample container, the liquid injection and extraction unit includes a first horizontal rail, a liquid injection and liquid extraction mechanical arm, a liquid injection lifting rack and a liquid extraction lifting rack, the pH detection unit includes a second horizontal rail, a pH detection lifting rack , a pipetting lifting rack and a detection container, the injection and extraction unit is connected to the test solution source, the pH detection unit is connected to the injection and extraction unit, and the control unit controls the injection and extraction unit to extract the reaction from the sample container unit. The reagents are sent to the pH testing unit for pH testing. The utility model realizes the automatic completion of a series of operations on the sample from the reaction of the sample reagent, the pH detection and the like, thereby improving the work efficiency and the detection accuracy.
Description
Technical Field
The utility model relates to an automatic change and detect technical field, especially relate to a pH value test system.
Background
The pH value detection of samples in a laboratory is mainly completed through manual operation at present, and after three reagent bottles are subpackaged for each sample, the mean value is synchronously measured.
Taking the current laboratory with the yield of more than 100 copies per day as an example, the detection of more than 300 bottles of samples needs to be carried out, 2-3 operators are needed to complete the basic test, and the work intensity is very high.
Besides the large number of mechanical, repetitive operations, tedious work performed by the operator, the detection also results in poor consistency and stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide a pH value test system, realize accomplishing from a series of operations such as sample reagent reaction, pH detection to the sample is automatic, improve work efficiency and detection accuracy.
The utility model adopts the technical proposal that:
a pH value test system is characterized by comprising a rack, wherein a sample container unit, a liquid injection and liquid extraction unit, a pH detection unit and a control unit are arranged on the rack, the sample container unit comprises a shaking table, a container frame and a sample container, the shaking table is installed at the middle position of the rack, the container frame is arranged on the shaking table, the sample container is arranged on the container frame, the liquid injection and liquid extraction unit comprises a first horizontal rail, a liquid injection and liquid extraction mechanical arm, a liquid injection lifting frame and a liquid extraction lifting frame, the first horizontal rail is arranged on the side edge of the rack, the liquid injection and liquid extraction mechanical arm is arranged on the first horizontal rail, the liquid injection and liquid extraction mechanical arm is arranged above the sample container unit in a crossing manner, the liquid injection and liquid extraction mechanical arm is provided with a liquid injection lifting frame and a liquid extraction lifting frame, the pH detection unit comprises a second horizontal rail, a pH detection lifting frame, a liquid extraction lifting frame and a detection container, set up pH on the horizontal rail of second and detect the crane and move the liquid crane, move and set up the detection container in the frame of liquid crane below, annotate liquid drawing unit connection to test solution source, pH detecting element is connected to and annotates liquid drawing unit, and the control unit control is annotated liquid drawing arm and is moved on first horizontal rail, annotates liquid crane and drawing liquid crane and move on annotating liquid drawing arm, annotates liquid crane and pours into reagent into the sample container of sample container unit into reagent into, and the shaking table shakes the container frame, and sample and reagent reaction back in the sample container, the drawing liquid crane extracts reagent and send to pH detecting element, moves reagent to the detection container through moving the liquid crane, and the pH sensor on the pH detection crane detects the reagent in the detection empty ware.
Furthermore, the number of the sample container units is multiple, the sample containers arranged on each container rack are arranged in an array mode, the plurality of sample containers form a group, the detection containers are also arranged in an array mode, the reagent in the first sample container in each group cleans the corresponding detection container, and the reagent in the rest sample containers is conveyed to the corresponding detection containers for parallel detection.
Further, the array of the sample containers is 3 × 6 array, each 3 sample containers are in one group, and are linearly arranged, and the total number of the sample containers is 6, the detection containers of the pH detection unit are in 2 × 3 array arrangement, and each 2 detection containers are in one group, and are linearly arranged, and the total number of the detection containers is 3.
Further, the pH detection unit also comprises a pH checking container which is arranged on the machine frame below the pH detection lifting frame, and the pH sensor is corrected through standard liquid in the pH checking container.
Furthermore, a first cleaning unit is arranged on one side of a first horizontal rail of the liquid injection and extraction unit, and when the liquid extraction lifting frame finishes a group of liquid extraction operation, the liquid extraction needle is conveyed to the first cleaning unit for cleaning.
Further, a second cleaning unit is arranged on one side of a second horizontal rail of the pH detection unit, and when the liquid transfer lifting frame finishes a group of liquid transfer operation, the liquid transfer needle is conveyed to the second cleaning unit for cleaning.
Further, a plurality of positions on one side of the first horizontal rail and the second horizontal rail are provided with liquid discharge grooves, the liquid discharge grooves are connected to a waste liquid tank, and the detection container is connected to the waste liquid tank through an electromagnetic valve.
Further, annotate liquid crane and drawing liquid crane combination and set up on annotating liquid drawing liquid arm, annotate liquid crane and drawing liquid crane and realize going up and down respectively.
The utility model has the advantages that:
(1) the full-automatic operation is realized, and a series of operations such as liquid adding, oscillation, cleaning, testing and the like from a sample are realized;
(2) unattended operation is realized for 24 hours, and the working efficiency is high;
(3) reduce the actual operating personnel, reduce personnel and flow the influence.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the present invention with the cover removed;
FIG. 3 is a schematic structural view of a sample container unit;
FIG. 4 is a schematic diagram of the configuration of an arm portion of the injection and withdrawal unit including the injection and withdrawal mechanism;
FIG. 5 is a schematic structural diagram of a liquid injection lifting frame and a liquid extraction lifting frame of the liquid injection and extraction unit;
FIG. 6 is a schematic structural diagram of the liquid injection and extraction unit and the first cleaning unit and the liquid collecting tank;
FIG. 7 is a schematic diagram of a pH detecting unit;
FIG. 8 is a schematic structural diagram of a pH detection lifting frame;
FIG. 9 is a schematic view of the internal parts of the mechanism.
The reference numbers in the drawings are respectively:
1. a frame; 2, a platform;
3. a housing; 4. a computer;
5. a sample container unit; 6, liquid injection and extraction unit;
7. a pH detection unit; 8, shaking the bed;
9. a container rack; a sample container;
11. a container tank; a first horizontal rail;
13. a liquid injection and extraction mechanical arm; 14, a liquid injection lifting frame;
15. a liquid pumping lifting frame; a support wheel;
17. injecting liquid needle; 18, a pipeline;
19. a suction cup; 20, a liquid extraction needle;
21. a first cleaning unit; a waste liquid tank;
23. a water collection tank; a second horizontal rail;
25. a pH detection lifting frame; 26, a liquid transferring lifting frame;
27. detecting the container; a cleaning component;
29. a stirrer; 30, a liquid transferring needle;
31. a pH checking container; a pH sensor;
33. a container bin; a reagent barrel;
35. a waste liquid barrel; a second cleaning unit.
Detailed Description
The following describes the embodiments of the pH testing system according to the present invention in detail with reference to the accompanying drawings.
Referring to the attached drawing 1, the pH value testing system is of a cuboid structure, a main body rack 1 is of a steel structure, the rack 1 is formed by welding or fastening devices for steel pipes, and a control cabinet and an electric circuit are arranged below the rack 1 and used for controlling the pH value testing system. A platform 2 is arranged above the machine frame 1, and the machine frame 1 and the platform 2 are used for arranging all functional units of the pH testing system. The housing 1 is provided with a cover 3 for protecting the functional units of the system and for aesthetic purposes. The user sets and operates the system through the computer 4. The front of the housing 3 can be turned up for replacing the sample. The housing 3 in front is made of transparent material, so that the observation of the watch keeper is facilitated.
Referring to fig. 2, the pH test is performed by arranging a sample container unit 5, a liquid injection and extraction unit 6, a pH detection unit 7 and a control unit on a rack 1. The sample container unit 5 is used for arranging a sample, injecting a reagent into the sample through the liquid injection and extraction unit 6, shaking and oscillating the sample to enable the sample to react with the reagent, the liquid injection and extraction unit 6 is used for extracting the reagent to the pH detection unit 7 for detection, and the control unit is used for controlling the flow and the progress of each unit.
Referring to fig. 2 and 3, the sample container unit 5 includes a rocking bed 8, a container holder 9, and a sample container 10, the rocking bed 8 is installed at a middle position of the housing 1, the container holder 9 is provided on the rocking bed 8, and the sample container 10 is disposed on the container holder 9. The sample container 10 adopts a conical flask, each container frame 9 is provided with an array type container groove 11 for fixing the conical flask, the shaking table 8 is positioned below the surface of the platform 2 of the rack 1, the eccentric rotating shaft is driven by a motor to realize the vibration of the container frame 9, and the container frame 9 drives the conical flask arranged on the container frame to oscillate.
There are 6 container racks 9 of sample container units 5, and each container rack 9 is provided with 3 × 6 erlenmeyer flask arrays, and 6 groups of every three vertically arranged erlenmeyer flasks are arranged. Each group was used to measure one sample, each three groups were run simultaneously, and 6 groups of samples were run in duplicate. The whole testing system can complete the operation of 6 x 3 x 6=108 conical flasks at one time, and the detection of 36 samples is completed at one time.
Referring to fig. 2, 4 and 5, the liquid injection and extraction unit 6 comprises a first horizontal rail 12, a liquid injection and extraction mechanical arm 13, a liquid injection lifting frame 14 and a liquid extraction lifting frame 15, wherein the first horizontal rail 12 is arranged on the side of the rack 1 and is positioned on one side far away from an operator. And a liquid injection and extraction mechanical arm 13 is arranged on the first horizontal rail 12, the liquid injection and extraction mechanical arm 13 is vertical to the first horizontal rail 12, and the liquid injection and extraction mechanical arm 13 is arranged above the sample container unit 5 in a spanning manner. The end of the liquid injection and extraction mechanical arm 13 on one side of the operator is provided with a supporting wheel 16, and the supporting wheel 16 rolls on the platform 2 of the machine frame 1 to move forward or backward to support and move the liquid injection and extraction mechanical arm 13. The liquid injection and extraction mechanical arm 13 is horizontally moved by a driving component on the first horizontal rail 12.
And the liquid injection and extraction mechanical arm 13 is provided with a liquid injection lifting frame 14 and a liquid extraction lifting frame 15, and the liquid injection lifting frame 14 and the liquid extraction lifting frame 15 move on the liquid injection and extraction mechanical arm 13 to operate the sample container unit 5 below. The liquid injection lifting frame 14 and the liquid extraction lifting frame 15 can also be arranged on the same moving frame to move.
Three groups of liquid injection needles 17 are arranged on the liquid injection lifting frame 14, and liquid injection operation is simultaneously carried out on three groups of different samples. The infusion needle 17 is connected to a reagent source through a line 18, and precise volume of reagent infusion is achieved by a peristaltic pump.
If the conical bottle is provided with the bottle cap, the operation of taking and placing the bottle cap is required to be carried out, the liquid injection lifting frame 14 is provided with three suction cups 19, the positions of the suction cups correspond to the three conical bottles, the liquid injection needles 17 and the suction cups 19 are arranged on the liquid injection lifting frame 14 at intervals, and the suction cups 19 are connected with an air source to suck and put down the conical bottle cap. The air source is an air compressor or an indoor public air source arranged below the frame 1.
Arrange three sets of drawing liquid needles 20 on drawing liquid crane 15, drawing liquid needle 20's length can stretch into to the erlenmeyer flask and be close to the bottom position, and drawing liquid needle 20 below sets up the filter screen to prevent that sample small particles or piece from being inhaled. The liquid drawing needle 20 is connected to the pH detection unit 7 through a pipeline 18 for detection of the pH detection unit 7.
Referring to fig. 6, a first cleaning unit 21 is provided at one side of the first horizontal rail 12, and when the pumping crane 15 performs a set of pumping operations, the pumping needle 20 is sent to the first cleaning unit 21 to be cleaned. Set up the column washing tank in the first cleaning unit 21, set up vertical through-hole in the middle of the washing tank, set up water injection hole and gas blow hole on the lateral wall of washing tank, communicate water source and air supply respectively, the washing tank lower extreme communicates to waste liquid case 22. The first cleaning unit 21 comprises three side-by-side cleaning tanks, and is used for cleaning three liquid extraction needles 20 on the liquid extraction lifting frame 15 at the same time, and is cleaned by clean water firstly and then dried by air flow.
A water collection tank 23 is also provided on one side of the first horizontal rail 12 for collecting residual reagents, the water collection tank 23 also being connected to the waste tank 22. When the liquid injection or liquid extraction is finished, because the reagent remained in the pipeline 18 can pollute the table top of the rack 1 or other equipment, the liquid injection lifting frame 14 and the liquid extraction lifting frame 15 are moved to the upper part of the water collecting tank 23, and the residual reagent dropping liquid is collected and finally converged to the waste liquid tank 22.
Referring to fig. 7 and 8, the pH detection unit 7 comprises a second horizontal rail 24, a pH detection crane 25, a pipetting crane 26 and a detection container 27, wherein the second horizontal rail 24 is arranged at the other side of the rack 1, namely the right side of the rack 1, near the edge of the mechanism. A pH detection lifting frame 25 and a liquid transferring lifting frame 26 are arranged on the second horizontal rail 24, and a pH sensor 32, a cleaning part 28 and an agitator 29 are arranged on the pH detection lifting frame 25.
The machine frame 1 below the liquid transferring lifting frame 26 is provided with a detection container 27, the liquid transferring lifting frame 26 is provided with liquid transferring needles 30, the liquid transferring needles 30 are communicated with the liquid drawing needles 20 of the liquid drawing lifting frame 15 through pipelines 18, the number of the liquid transferring needles 30 is 3, and the number of the liquid transferring needles is equal to that of the liquid drawing needles 20 and the conical bottle groups on the liquid drawing lifting frame 15. The rack 1 below the pipetting lifting frame 26 is provided with three groups of detection containers 27, and each group of detection containers 27 comprises two containers and is used for parallel detection of a group of reagents. The detection container 27 is connected to the waste liquid tank 22 through an electromagnetic valve, and after the detection is completed, the reagent is discharged into the waste liquid tank 22.
A second washing device 36 is provided on one side of the detection container 27, and when the pipetting crane 26 completes one set of pipetting operations, the pipetting needle 30 is sent to the second washing unit for washing. The second cleaning unit 36 has the same structure as the first cleaning unit 21 and the same operation principle and process.
A pH checking container 31 is arranged on the machine frame 1 below the pH detection lifting frame 25, and a pH sensor 32 is corrected by the standard liquid in the pH checking container 31. The number of the pH sensors 32, the cleaning part 28 and the stirrer 29 on the pH detection lifting frame 25 is 3, which respectively correspond to the three detection containers 27, and the number of the pH verification containers 31 is also three, and the three pH sensors 32 are respectively and simultaneously checked. The process of checking the pH sensor 32 is performed as required by the manufacturer of the pH sensor 32. If the pH sensor 32 manufactured by Mettler-Torledo is used, the detection of the pH sensor 32 is completed according to the operation specification, and the pH detection container 27 is also configured according to the requirement.
The detection vessel 27 is mounted in a vessel bin 33, the vessel bin 33 also serving to collect waste liquid and being connected to the waste liquid tank 22. And a blow-drying container is arranged in the container bin 33 and used for drying the cleaned pH sensor 32, the cleaning part 28 and the stirrer 29, the blow-drying container is connected to an air source, and the pH sensor 32, the cleaning part 28 and the stirrer 29 are stretched into the blow-drying container for blow-drying.
Referring to fig. 9, a reagent tank 34, a waste liquid tank 35 and a waste liquid tank 22 are disposed below the rack 1, the reagent tank 34 provides reagents for injection, and the waste liquid tank 22 is connected to the waste liquid tank 35 through a water collecting pipe after being opened to receive waste liquid of each part. And a peristaltic pump, a flow dividing device and other components are arranged below the frame 1 to provide liquid supply power and pipeline 18 pressure.
Referring to fig. 2, the operation of the present invention will be described.
Before starting up, whether the waste liquid barrel 35 is empty, whether the reagent barrel 34 is ready and whether various safety measures are complete are checked. After starting up, the machine carries out self-checking, all modules enter an initial station, and the automatic calibration of the peristaltic pump, the cleaning and inspection of each component and the like are included.
The pH sensor 32 is calibrated once at a specified time interval, and the pH sensor 32 is calibrated by standard pH test solution according to the standard procedure of manufacturers, so as to ensure the accuracy of the measurement result.
3 identical samples were placed in sample containers 10 to form a set of samples, and 6 sets of samples were placed on the container rack 9 of the shaker 8. The number of samples and sample set can be adjusted depending on the sample to be tested. The utility model discloses an equipment can 36 samples detect simultaneously at most.
And controlling the liquid injection and extraction unit 6, moving the liquid injection and extraction mechanical arm 13 to the corresponding container frame 9 position, driving the liquid injection lifting frame 14 to move to the sample container 10 position, and injecting liquid into the conical flask. If the conical bottle has a bottle cap, the bottle cap of the conical bottle is taken down firstly through the sucking disc 19 on the liquid injection lifting frame 14, then liquid injection is carried out, and the bottle cap is covered through the sucking disc 19 after the liquid injection is finished. In the processes of taking and placing the bottle cap and injecting liquid, the liquid injection lifting frame 14 moves on the mobile liquid injection and extraction mechanical arm 13 to accurately align the conical bottle. In this manner, the sample containers 10 are sequentially filled with reagents.
After the injection of the reagent is completed, the liquid injection and extraction mechanical arm 13, the liquid injection lifting frame 14 and the liquid extraction lifting frame 15 are moved to the initial position, the liquid injection needle 17 and the liquid extraction needle 30 are positioned above the water collecting tank 23, the liquid dripped by the liquid injection and extraction mechanical arm is recovered to the water collecting tank 23, and finally the liquid is returned to the waste liquid barrel 35.
After all the erlenmeyer flasks to be tested have been filled with reagents, the shaker 8 of the sample container unit 5 is activated to perform a shaking reaction on the sample containers 10 according to a predetermined time. The shaking process allows the sample to react well with the reagents, and because each set of erlenmeyer flasks is located in the same sample container unit 5, the shaking process allows the reagents in a set of erlenmeyer flasks to be consistent.
After the oscillation is finished, the liquid injection and extraction unit 6 moves, the liquid extraction lifting frame 15 is moved to the position of the sample container 10, a first sample reagent in a group of samples is extracted and sent to the liquid transfer lifting frame 26 of the pH detection unit 7 through a connecting pipeline, the liquid transfer lifting frame 26 sends the reagent to the detection container 27, the detection containers 27 are two in each group, and the first sample reagent of each group of reagents sent by the liquid transfer lifting frame 26 rinses the two detection containers 27 in each group. Reducing the adverse effect of the test receptacle 27 on the test results.
The second and third sample reagents are then drawn into the two test receptacles 27, respectively. During the extraction process, the line 18, which is connected via the aspiration needle 20 and the pipette needle 30, is directly injected from the conical flask into the test container 27.
The pH detection crane 25 of the pH detection unit 7 moves to the detection container 27, so that the pH sensor 32 extends into the detection container 27, and the reagent is stirred by the stirrer 29 as necessary. The pH sensors 32 detect the reagents in each set of two detection containers 27, respectively, and return the detection results to the control unit. The testing of 3 samples was done at once. Before the test of the pH detecting unit 7, the pH sensor 32 is cleaned, and the cleaning process is performed in a cleaning cup or a test container through the cleaning part 28.
After the sample is detected, the liquid extracting crane 15 and the liquid transferring crane 26 are respectively moved to the first cleaning unit 21 and the second cleaning unit 36, and the liquid extracting needle 20 and the liquid transferring needle 30 are cleaned. The next three sets of erlenmeyer flask reagent tests were then performed. The above procedure of pipetting, pipetting and detecting was repeated.
And after the pH reagent detection is completed on all the conical flasks on the sample container unit 5, replacing the conical flasks with new ones, cleaning and recovering the original conical flasks, and performing the next detection.
The test procedure is further described below by specific parameters.
When the sample conical flask is filled with liquid, 50-100ml of reagent is injected into the conical flask by a peristaltic pump. Then vibrated on a shaker 8 for 2 hours. 50ml of the conical flask was taken by pipetting and pipetting into a beaker of test vessel 27 and inserted 1cm below the surface of the liquid through a probe of pH sensor 32, and the value of the pH meter was stabilized and recorded.
According to the operation process, the accurate measurement of 36 groups of samples can be completed by calculating the daily working time of 8.5 hours, namely 108 samples are operated, the quantitative accuracy is less than +/-1 percent and is greatly higher than the accuracy of manual detection.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A pH value test system is characterized in that: the device comprises a rack, wherein a sample container unit, a liquid injection and extraction unit, a pH detection unit and a control unit are arranged on the rack, the sample container unit comprises a shaking table, a container frame and a sample container, the shaking table is installed at the middle position of the rack, the container frame is arranged on the shaking table, the sample container is arranged on the container frame, the liquid injection and extraction unit comprises a first horizontal rail, a liquid injection and extraction mechanical arm, a liquid injection lifting frame and a liquid extraction lifting frame, the first horizontal rail is arranged at the side edge of the rack, the liquid injection and extraction mechanical arm is arranged on the first horizontal rail in a spanning mode, the liquid injection and extraction mechanical arm is arranged above the sample container unit in a spanning mode, the liquid injection and extraction mechanical arm is provided with a liquid injection lifting frame and a liquid extraction lifting frame, the pH detection unit comprises a second horizontal rail, a pH detection lifting frame, a liquid removal lifting frame and a detection container, the second horizontal rail is arranged at the other side edge of the rack, set up the detection container in the frame of moving liquid crane below, annotate liquid drawing unit and be connected to the test solution source, pH detecting element is connected to and annotates liquid drawing unit, the control unit control is annotated liquid drawing mechanical arm and is removed on first horizontal rail, annotate liquid crane and drawing liquid crane and move on annotating liquid drawing mechanical arm, annotate the liquid crane and pour into reagent to the sample container of sample container unit, the shaking table rocks the container frame, sample and reagent reaction back in the sample container, the liquid crane extraction reagent of drawing liquid sends pH detecting element to, move reagent to the detection container through moving liquid the crane, the pH sensor on the pH detection crane detects the reagent in detecting the emptier.
2. The pH testing system of claim 1, wherein: the sample container unit is a plurality of, and the sample container that every container frame set up arranges for the array, and a plurality of sample container is a set of, and the detection container also arranges for the array, and the reagent in the first sample container in every group washs the detection container that corresponds, and the reagent in the rest sample container is sent to corresponding detection container and is carried out parallel inspection.
3. The pH testing system of claim 2, wherein: the array of the sample containers is 3 × 6 array, every 3 sample containers are in one group, the linear arrangement is 6 groups, the detection containers of the pH detection unit are in 2 × 3 array arrangement, every 2 detection containers are in one group, the linear arrangement is 3 groups.
4. The pH testing system of any one of claims 1 to 3, wherein: the pH detection unit further comprises a pH verification container which is arranged on the rack below the pH detection lifting frame, and the pH sensor is corrected through standard liquid in the pH verification container.
5. The pH testing system of any one of claims 1 to 3, wherein: and a first cleaning unit is arranged on one side of a first horizontal rail of the liquid injection and extraction unit, and when the liquid extraction lifting frame finishes a group of liquid extraction operations, the liquid extraction needle is conveyed to the first cleaning unit for cleaning.
6. The pH testing system of claim 5, wherein: and a second cleaning unit is arranged on one side of a second horizontal rail of the pH detection unit, and when the liquid transfer lifting frame finishes a group of liquid transfer operation, the liquid transfer needle is conveyed to the second cleaning unit for cleaning.
7. The pH testing system of any one of claims 1 to 3, wherein: and liquid discharge grooves are arranged at a plurality of positions on one sides of the first horizontal rail and the second horizontal rail and are connected to a waste liquid tank, and the detection container is connected to the waste liquid tank through an electromagnetic valve.
8. The pH testing system of any one of claims 1 to 3, wherein: annotate liquid crane and drawing liquid crane combination and set up on annotating liquid drawing liquid arm, annotate liquid crane and draw liquid crane and realize going up and down respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921313269.XU CN210401440U (en) | 2019-08-14 | 2019-08-14 | PH value test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921313269.XU CN210401440U (en) | 2019-08-14 | 2019-08-14 | PH value test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210401440U true CN210401440U (en) | 2020-04-24 |
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ID=70359824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921313269.XU Withdrawn - After Issue CN210401440U (en) | 2019-08-14 | 2019-08-14 | PH value test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210401440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412304A (en) * | 2019-08-14 | 2019-11-05 | 上海汇像信息技术有限公司 | pH value test system and pH value automatic test method |
-
2019
- 2019-08-14 CN CN201921313269.XU patent/CN210401440U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412304A (en) * | 2019-08-14 | 2019-11-05 | 上海汇像信息技术有限公司 | pH value test system and pH value automatic test method |
| CN110412304B (en) * | 2019-08-14 | 2024-06-04 | 上海汇像信息技术有限公司 | pH value testing system and pH value automatic testing method |
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