CN109061208A - Full-automatic biochemical oxygen demand detector - Google Patents
Full-automatic biochemical oxygen demand detector Download PDFInfo
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- CN109061208A CN109061208A CN201810868949.1A CN201810868949A CN109061208A CN 109061208 A CN109061208 A CN 109061208A CN 201810868949 A CN201810868949 A CN 201810868949A CN 109061208 A CN109061208 A CN 109061208A
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- full
- oxygen demand
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention proposes a kind of full-automatic biochemical oxygen demand detector, the full-automatic biochemical oxygen demand detector includes controller, insulating box and the sample cabinet being set in the insulating box；The sample cabinet is used to place the sample bottle equipped with style to be measured, wherein, the three-dimensional machinery transmission system connecting with the controller and detection liquid feeding system are additionally provided in the insulating box, the three-dimensional machinery transmission system is able to drive the mobile each step to complete sample measurement under the control of the controller of detection liquid feeding system.The function of temperature control and the transmission of automatic three-dimensional machinery of the analyzer of the invention based on enclosure space, can be realized measurement and cultivation temperature consistency, minute accuracy, reduces multiple links in continuous mode, improve work efficiency.
Description
Technical field
The present invention relates to bio-sensing measuring device more particularly to a kind of full-automatic biochemical oxygen demand detectors.
Background technique
Biochemical oxygen demand (BOD) (BOD) refers under the defined conditions, certain substances being oxidized in microorganism decomposition water,
The especially dissolved oxygen of the Biochemical processes consumption of decomposing organic matter.BOD is the detection most important index of degree of water pollution
One of.Currently, usually regulation uses 20 ± 1 DEG C, ± 4 hours 5 days or the survey of day ± 4 hour (2+5) in the test of BOD
Strip part, and result is indicated with the mg/L of oxygen, it is denoted as biochemical oxygen demand (BOD).However, method testing process in the prior art compared with
It is more, the assurance at time point cannot be fully controlled, can no longer meet more and more workloads and higher and higher essence
Degree requires.In the market without it is a can be with the high efficiency of fully integrated each testing process, the equipment of high-accuracy.
Therefore, it is necessary to a kind of the degree of automation is higher, process control is more accurate, more efficient analyzer, with drop
Low labour's use promotes working efficiency, reduces detection error.
Summary of the invention
The purpose of the present invention is to provide a kind of full-automatic biochemical oxygen demand detectors, the temperature control based on enclosure space
With the function of automatic three-dimensional machinery transmission, measurement and cultivation temperature consistency, minute accuracy are realized, reduce continuous mode
In link, improve working efficiency.
To achieve the goals above, the present invention provides a kind of full-automatic biochemical oxygen demand detector, the full-automatic lifes
Changing oxygen demand detector includes controller, insulating box and the sample cabinet being set in the insulating box；The sample cabinet is used for
Place the sample bottle that style to be measured is housed, wherein the three-dimensional machinery connecting with the controller is additionally provided in the insulating box
Transmission system and detection liquid feeding system, it is mobile in institute that the three-dimensional machinery transmission system is able to drive the detection liquid feeding system
State each step that sample measurement is completed under the control of controller.
Preferably, the full-automatic biochemical oxygen demand detector further includes temperature controller, and the temperature controller is added by heating wire
Hot mode carries out heating adjusting to the temperature in the insulating box, and to institute by way of semiconductor refrigerating or compressor refrigeration
The temperature stated in insulating box carries out cooling adjusting.
Preferably, the three-dimensional machinery transmission system includes lateral transmission system and longitudinal transmission system, the laterally biography
Dynamic system is used to for the detection liquid feeding system being moved to the top of the sample bottle, and the longitudinal direction transmission system is for driving institute
Detection liquid feeding system is stated to move up and down.
Preferably, the three-dimensional machinery transmission system includes mutually matched power device, transmission device and positioning device；
The power device is pulsometer, hydraulic pump, hydraulic motor, stepper motor or direct current generator；The transmission device be synchronous belt,
Lead screw or turbine and worm；The positioning device is fixed for photoelectricity lotus root triggering positioning device, magnetometric sensor positioning device, motor servo
Position device or chip rotation counting positioning device.
Preferably, the detection liquid feeding system includes liquid adding apparatus；The liquid adding apparatus includes for institute
It states and the first of dilution is added in sample bottle device is added, for needing to be added the of inoculation liquid into the sample bottle according to detection
Two are added device and the third addition device for inhibitor to be added into the sample bottle.
Preferably, it is peristaltic pump or syringe that device, which is added, in the first addition device, the second addition device and third；It is described compacted
Dynamic pump, which passes through, squeezes pump line so that the dilution, inoculation liquid or inhibitor to be pushed into the sample bottle, and by squeezing step number
Control to control the dilution for injecting the sample bottle, inoculation liquid or the volume of inhibitor；The syringe passes through stepping electricity
Machine drives the piston of syringe, and controls according to step number the volume of the dilution of injection, inoculation liquid or inhibitor.
Preferably, the detection liquid feeding system further includes detector, and the detector into the sample bottle for being added
DO determination is detected using electrode, stirring and using electrode the DO determination.
Preferably, the full-automatic biochemical oxygen demand detector further includes automatic clamping and placing bottle stopper system, the automatic clamping and placing
Bottle stopper system can remove and cover automatically the bottle stopper of designated position sample bottle under the drive of the three-dimensional machinery transmission system；
The automatic clamping and placing bottle stopper system includes concealed grabbing device, the concealed grabbing device crawl and when placing bottle cap not
In addition the space in insulating box is occupied.
Preferably, the full-automatic biochemical oxygen demand detector further includes automatic liquid seal device, the automatic liquid seal device
Stabilized seal can be carried out to the sample bottle under the drive of the three-dimensional machinery transmission system.
Preferably, the full-automatic biochemical oxygen demand detector further includes the lock for sample cabinet to be fixed on to predetermined position
Determine device, the locking device can carry out pin numbers to sample bottle position in order to accurately add, remove the sample bottle.
The present invention has the advantages that (1) improves temperature-controlled precision by insulating box, all parts in insulating box can be made
All in stable 20 ± 1 DEG C, comprising: sample, sensor, electrode, dilution, inoculation liquid etc..(2) reduce transfer culture
Link, sample are in the environment of closing constant temperature always and cultivate, do not need to be transferred in other incubators and cultivate.Reduce first
Shaken caused by a possibility that transfer incubation, transfer process after secondary detection pollute, transfer process generation influence,
Temperature change generates in transfer process adverse effect, influence of electrode temperature variation generation etc..(3) pass through setting automatic clamping and placing
Bottle stopper system can misplace to avoid bottle cap, influence the accuracy rate of result.(4) by the way that automatic liquid seal device is arranged, it ensure that sample
Stabilized seal.(5) by setting locking device, sample cabinet can be locked automatically, in order to sample bottle position position,
It does not malfunction when numbering, and then ensure that addition, remove sample bottle.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:
Fig. 1 is the structural schematic diagram of the full-automatic biochemical oxygen demand detector of one embodiment of the present invention.
In the accompanying drawings, identical component uses identical appended drawing reference.Attached drawing is not according to actual ratio.
Description of symbols:
1- insulating box, 2- sample cabinet, 3- sample bottle, 4- three-dimensional machinery transmission system, 5- detection liquid feeding system, 6- locking device,
401- transverse direction transmission system, the longitudinal direction 402- transmission system.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
As shown in Figure 1, being full-automatic biochemical oxygen demand detector of the invention.Full-automatic biochemical oxygen demand detector includes
Controller, insulating box 1 and the sample cabinet 2 being set in insulating box 1.Sample cabinet 2 is used to place the sample equipped with style to be measured
Bottle 3.Three-dimensional machinery transmission system 4 connected to the controller and detection liquid feeding system 5 are additionally provided in insulating box 1.Three-dimensional machinery
Transmission system 4 is able to drive the mobile each step to complete sample measurement under the control of the controller of detection liquid feeding system 5.
Full-automatic biochemical oxygen demand detector further includes temperature controller, and temperature controller is by electric-heating-wire-heating mode to insulating box 1
Interior temperature carries out heating adjusting, and is carried out by way of semiconductor refrigerating or compressor refrigeration to the temperature in insulating box 1
Cooling is adjusted.
In a specific embodiment of the invention, 1 inside thermostatic mode of insulating box can be with are as follows: using electric heating and
Semiconductor refrigerating inner loop mode, when internal temperature is between 19 DEG C to 21 DEG C, for the present embodiment is when 19 DEG C, starting
Electric-heating-wire-heating, for increasing temperature.After heating wire temperature increases, by interior circulating fan, hot air circulation is entered into entire system
System, rises bulk temperature.When temperature reaches 21 DEG C, electric-heating-wire-heating is closed, and is started semiconductor refrigerating, is passed through interior circulated air
Fan, is recycled into whole system for cold wind, declines bulk temperature, to reach the function of reducing temperature.
In addition, 1 inside thermostatic mode of insulating box can be with are as follows: use electric heating and compressor inner loop mode.Work as inside
When temperature is in 19 DEG C, start electric-heating-wire-heating, for increasing temperature.After heating wire temperature increases, by interior circulating fan,
Hot air circulation is entered into whole system, increase bulk temperature.When temperature reaches 21 DEG C, electric-heating-wire-heating is closed, starting compression
Cold wind is recycled into whole system, declines bulk temperature by mechanism cold by interior circulating fan, so that reaching reduces temperature
Function.
In addition, 1 inside thermostatic mode of insulating box can be with are as follows: use thermostat, pass through Pipe installing box house, pipe
There is liquid to be recycled inside road, by the temperature of liquid in pipe control pipeline, to achieve the purpose that control internal temperature.When
When internal temperature is in 19 DEG C, thermostat increases temperature, starts semiconductor refrigerating, thermostat drop when temperature reaches 21 DEG C
Low temperature.
Preferably, insulating box 1 uses heat-insulating heat-preserving material, and three layers heat-insulated, ensure that 1 internal temperature of insulating box not because of outside
Temperature change and change, so that internal temperature is remained at 20 ± 1 DEG C.
In a specific embodiment of the invention, as shown in Figure 1, three-dimensional machinery transmission system 4 includes laterally transmission
System 401 and longitudinal transmission system 402, lateral transmission system 4 are used to will test the top that liquid feeding system 5 is moved to sample bottle 3,
Longitudinal transmission system 402 is for driving detection liquid feeding system 5 to move up and down.Preferably, three-dimensional machinery transmission system includes mutual
Power device, transmission device and the positioning device of cooperation.Power device be pulsometer, hydraulic pump, hydraulic motor, stepper motor or
Direct current generator.Transmission device is synchronous belt, lead screw or turbine and worm.Positioning device is that photoelectricity lotus root triggers positioning device, magnetic force passes
Sensor positioning device, motor servo positioning device or chip rotation counting positioning device.Specifically, three-dimensional machinery transmission system packet
Include the lateral mechanical arm being fixedly connected with lateral transmission system 401 and the longitudinal machine being fixedly connected with longitudinal transmission system 402
Tool arm.On longitudinal mechanical arm, be equipped with the DO determination for detection using electrode, be used to open and cover sample
Bottle bottle stopper clip and for into sample bottle be added dilution injection device.Longitudinal mechanical arm is carried out by air pressure
It moves up and down, when solenoid valve is closed, when air pressure becomes smaller, DO determination is fallen using electrode, clip, injection device.Work as electromagnetism
Valve is opened, and when air pressure becomes larger, DO determination is risen automatically using electrode, clip, injection device.Three components are set according to program
Fixed only one work every time.
Wherein it should be noted that being broadly divided into fluorescence method and Electrochemical Probe method (again for the detection of dissolved oxygen at present
Claim membrane electrode) two kinds, and with temperature-compensating and without temperature-compensating, with atmospheric pressure compensating and without atmospheric pressure compensating.Its
Middle fluorescence method uses fluorescence electrode comprising with included stirring and without stirring, with temperature-compensating and without temperature
Compensation, with atmospheric pressure compensating and without atmospheric pressure compensating.And Electrochemical Probe method is broadly divided into galvanic cell type and polarogram type.Film
Electrode also there are many, have included stirring and without stirring, with atmospheric pressure compensating and without atmospheric pressure compensating etc..
And the present embodiment is then preferably using the fluorescence electrode with automatic stirring, temperature-compensating and atmospheric pressure compensating as preferred
Embodiment, but the selection of the electrode can be also adjusted according to the actual conditions of tested sample, therefore above-mentioned selection is only used
In providing better embodiment, achievable mode and alternative are not limited, those skilled in the art can be from
Understand in above description, and selectively use electrode using above-mentioned all kinds of DO determinations, to be replaced on an equal basis, to reach phase
The detection effect answered, thus preferred embodiment is only provided herein, to be illustrated, and the limitation of embodiment is not carried out.
Further, detection liquid feeding system includes liquid adding apparatus；Liquid adding apparatus includes for into sample bottle
The first of dilution is added device is added, device and use is added for needing to be added the second of inoculation liquid into sample bottle according to detection
Device is added in the third that inhibitor is added into sample bottle.First, which is added device, the second addition device and third, is added device to wriggle
Pump or syringe.When being added using peristaltic pump, pump line can be squeezed by peristaltic pump, dilution is pushed into sample bottle, and
By squeeze step number control, come control injection dilution volume.When being added using syringe, stepping electricity can be passed through
Machine band piston, the volume of the dilution of injection is controlled according to step number.Due to adding the mode of inoculation liquid or inhibitor and adding
The mode of dilution is identical, therefore, repeats no more.
Simple illustration is carried out to the use process of full-automatic biochemical oxygen demand detector of the invention below.
Firstly, starting full-automatic biochemical oxygen demand detector, makes it connect controller, full-automatic biochemical oxygen demand detector
It is initialized.When initialization, mechanical arm returns to initial position, the initialization of liquid adding apparatus, and detector is connected to control
Device, temperature controller are connected to controller.After the completion of initialization, sample cabinet is unlocked, sample cabinet is opened, is put into sample bottle, shuts sample
Cabinet, locking.Sample cabinet carries out locking, cooperation position sensor, it is determined whether with the presence of sample cabinet, avoid accidentally grasping by solenoid valve
Make, equipment is damaged.Then, it is run according to the content of program setting, horizontal stepper motor starts turning, and passes through length
Bearing drives two synchronous belts, and then drives the mobile cross bar for connecting lateral mechanical arm, is calculated by step number, makes lateral machinery
Arm reaches designated position.Then, longitudinal stepper motor starts turning, and by stepper motor, drives detection liquid feeding by synchronous belt
System is mobile, by calculating the step number of rotation, reaches specified position.Lateral mechanical arm is moved to left above designated position
Side is closed for controlling the solenoid valve of clip of automatic clamping and placing bottle stopper system, and air pressure becomes smaller, and clip is fallen from designated position.It is horizontal
It moves right to mechanical arm, until clip is exactly in immediately below the bottle stopper of sample bottle, clip solenoid valve is opened, and air pressure becomes larger,
Clip is lifted up, and bottle stopper is removed from sample bottle, is taken in clip groove.Then, lateral mechanical arm is moved to the left, liquid
Adding apparatus is moved to above sample bottle, and solenoid valve is closed, and liquid adding apparatus inlet is fallen, wriggling pump startup, by turning
Dynamic circle number injects dilution according to the volume of setting.After the completion of injection, solenoid valve is opened, and inlet lifts.Then, laterally
Mechanical arm continues to move right, and is in the DO determination of detector right above sample bottle using electrode, and solenoid valve is closed,
DO determination is fallen using electrode, is entered in sample bottle, is submerged in sample, and starting blender is stirred, and stirring reaches
Stop after preset time, DO determination is detected using electrode, and after stability number to be obtained, solenoid valve is opened, and is lifted molten
It solves oxygen measurement and uses electrode.Finally, DO determination is used electrode movement to cleaning positions by lateral mechanical arm, carry out clear
It washes, the test of next sample is carried out after cleaning.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. full-automatic biochemical oxygen demand detector, which is characterized in that the full-automatic biochemical oxygen demand detector include controller,
Insulating box and the sample cabinet being set in the insulating box；The sample cabinet is used to place the sample bottle equipped with style to be measured,
Wherein, the three-dimensional machinery transmission system connecting with the controller and detection liquid feeding system, institute are additionally provided in the insulating box
It states three-dimensional machinery transmission system and is able to drive the detection liquid feeding system movement to complete sample under the control of the controller
Each step of measurement.
2. full-automatic biochemical oxygen demand detector according to claim 1, which is characterized in that the full-automatic biochemical is aerobic
Measuring analyzer further includes temperature controller, and the temperature controller heats up to the temperature in the insulating box by electric-heating-wire-heating mode
It adjusts, and cooling adjusting is carried out to the temperature in the insulating box by way of semiconductor refrigerating or compressor refrigeration.
3. full-automatic biochemical oxygen demand detector according to claim 1, which is characterized in that the three-dimensional machinery power train
System includes lateral transmission system and longitudinal transmission system, and the transverse direction transmission system is for the detection liquid feeding system to be moved to
The top of the sample bottle, the longitudinal direction transmission system is for driving the detection liquid feeding system to move up and down.
4. full-automatic biochemical oxygen demand detector according to claim 2, which is characterized in that the three-dimensional machinery power train
System includes mutually matched power device, transmission device and positioning device；The power device is pulsometer, hydraulic pump, hydraulic
Motor, stepper motor or direct current generator；The transmission device is synchronous belt, lead screw or turbine and worm；The positioning device is light
Electric lotus root triggering positioning device, magnetometric sensor positioning device, motor servo positioning device or chip rotation counting positioning device.
5. full-automatic biochemical oxygen demand detector according to claim 1, which is characterized in that the detection liquid feeding system packet
Include liquid adding apparatus；The liquid adding apparatus include for into the sample bottle be added dilution first be added device,
For according to detection need to be added into the sample bottle the second of inoculation liquid device is added and for into the sample bottle plus
Device is added in the third for entering inhibitor.
6. full-automatic biochemical oxygen demand detector according to claim 5, which is characterized in that described first is added device, the
It is peristaltic pump or syringe that device, which is added, in two addition devices and third；The peristaltic pump by squeeze pump line with by the dilution,
Inoculation liquid or inhibitor are pushed into the sample bottle, and control the dilution for injecting the sample bottle by the control of extruding step number
The volume of liquid, inoculation liquid or inhibitor；The syringe drives the piston of syringe by stepper motor, and is controlled according to step number
Make the volume of the dilution injected, inoculation liquid or inhibitor.
7. full-automatic biochemical oxygen demand detector according to claim 1, which is characterized in that the detection liquid feeding system is also
Including detector, the detector is used to be added DO determination into the sample bottle using electrode, stirring and to described molten
Solution oxygen measurement is detected using electrode.
8. full-automatic biochemical oxygen demand detector according to claim 1, which is characterized in that the full-automatic biochemical is aerobic
Measuring analyzer further includes automatic clamping and placing bottle stopper system, band of the automatic clamping and placing bottle stopper system in the three-dimensional machinery transmission system
The dynamic lower bottle stopper that can remove and cover automatically designated position sample bottle；The automatic clamping and placing bottle stopper system includes concealed crawl
In addition device, the concealed grabbing device do not occupy the space in insulating box in crawl and placing bottle cap.
9. full-automatic biochemical oxygen demand detector according to claim 1, which is characterized in that the full-automatic biochemical is aerobic
Measuring analyzer further includes automatic liquid seal device, and the automatic liquid seal device can be under the drive of the three-dimensional machinery transmission system
Stabilized seal is carried out to the sample bottle.
10. full-automatic biochemical oxygen demand detector according to claim 1, which is characterized in that the full-automatic biochemical needs
Oxygen determination instrument further includes the locking device for sample cabinet to be fixed on to predetermined position, and the locking device can be to sample bottle
Position carries out pin numbers in order to accurately add, remove the sample bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868949.1A CN109061208A (en) | 2018-08-02 | 2018-08-02 | Full-automatic biochemical oxygen demand detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868949.1A CN109061208A (en) | 2018-08-02 | 2018-08-02 | Full-automatic biochemical oxygen demand detector |
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| Publication Number | Publication Date |
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| CN109061208A true CN109061208A (en) | 2018-12-21 |
Family
ID=64832703
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| CN201810868949.1A Pending CN109061208A (en) | 2018-08-02 | 2018-08-02 | Full-automatic biochemical oxygen demand detector |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057969A (en) * | 2019-05-28 | 2019-07-26 | 菏泽学院 | A kind of BOD5Measure automatic medicine adding apparatus |
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| CN110057969B (en) * | 2019-05-28 | 2023-12-22 | 菏泽学院 | BOD (BOD) 5 Automatic dosing device for measurement |
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Application publication date: 20181221 |