CN104345159A - Liquid analyzing apparatus - Google Patents
Liquid analyzing apparatus Download PDFInfo
- Publication number
- CN104345159A CN104345159A CN201410310393.6A CN201410310393A CN104345159A CN 104345159 A CN104345159 A CN 104345159A CN 201410310393 A CN201410310393 A CN 201410310393A CN 104345159 A CN104345159 A CN 104345159A
- Authority
- CN
- China
- Prior art keywords
- liquid
- pressure data
- pressure
- analysis device
- test liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Sampling And Sample Adjustment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
Abstract
The invention provides a liquid analyzing apparatus capable of determining abnormity reasons by a simple structure. The liquid analyzing apparatus comprises: a pipette (La); a pump (P); a gas transfer pipe (Lb), wherein a base end of a root pipe portion (Lb1) is connected with the pump (P), and front ends of branch pipe portions (Lb2) are respectively connected with each part; a pressure sensor (71) measuring pressure in the root pipe portion (Lb1); an actual pressure data recording portion (83) recording actual pressure data presenting time-dependent property changes of pressure measured by the pressure sensor (71); a reference pressure data storage portion (84) storing reference pressure data presenting time-dependent property changes and becoming the reference of the pressure; and a comparison output portion (85) outputting the actual pressure data and the reference pressure data in a comparative manner.
Description
Technical field
The present invention relates to the liquid analysis device analyzing water quality etc.
Background technology
As this liquid analysis device, there are known the liquid analysis device shown in patent documentation 1: test liquid that obtain ormal weight, that become analytic target, in described test liquid, add the multiple analysis liquid such as dilution and reactant liquor of ormal weight respectively and they are mixed, and make them react by heating etc., final solution is generated after carrying out described series of processes, by measuring the such as absorbance of described final solution, automatically measure the concentration of the predetermined component such as such as phosphorus and nitrogen etc. in test liquid thus.
In addition, in order to carry out described series of processes, be provided with in described liquid analysis device: various gauge line and pond (セ Le) etc. (hereinafter also referred to fluid storage parts), for storing test liquid and each analysis liquid and making them react; Transfer pipet, is arranged between described fluid storage parts, makes test liquid, analysis liquid circulates; And pressure regulating mechanism, change the pressure of fluid storage parts and transfer pipet, to the conveying of desired fluid storage parts test liquid, analysis liquid.
Described pressure regulating mechanism, such as, be made up of following apparatus: gas transfer pipeline, is connected with fluid storage parts and transfer pipet; Pump, is connected with the cardinal extremity of described gas transfer pipeline; And multiple valve, be arranged on described gas transfer pipeline and transfer pipet, by carrying out open and close controlling to described valve, the pressure of desired fluid storage parts and transfer pipet can be made to be changing into malleation or negative pressure, thus from fluid storage parts to the conveying of other fluid storage parts test liquid, analysis liquid.
Prior art document
Patent documentation 1: No. 2005-204578, Japanese Laid-Open Patent Publication
, in described structure, even if occur make the transfer of liquid etc. due to the deterioration etc. of pipe arrangement leakage, pipe arrangement blocking, valve fault, pump in, certain is abnormal, is also difficult to determine its reason.
Certainly, if arrange various sensor respectively abnormal position may be there is, then also can determine abnormal cause, but if done like this, then there will be that parts increase, price rises and assembling such as to increase man-hour at the new problem.
Summary of the invention
In view of described problem, fundamental purpose of the present invention is to provide a kind of liquid analysis device, can determine abnormal producing cause with very simple structure.
That is, the invention provides a kind of liquid analysis device, the series of processes that test liquid shifts to multiple position by process is to analyze described test liquid, and described liquid analysis device comprises: pump, produces the pressure for shifting described test liquid; Gas transfer pipeline, be made up of root pipe portion and multiple arm portion, the one end in described pipe portion is connected with described pump, and described multiple arm portion is from the other end branch in described pipe portion and be connected with position described in each; Pressure transducer, measures the pressure in described pipe portion; Control part, changes the internal pressure at described position by the pressure controlling described gas transfer pipeline, shifted by described test liquid by transfer pipet from a position to other position; Actual pressure data recording section, records actual pressure data in the specified time limit in described series of processes, the time dependent change (Time series change of the pressure that pressure transducer measures described in described actual pressure data representation); Datum pressure data store, stores datum pressure data, and described datum pressure data representation becomes the time dependent change of the benchmark of described pressure; And compare efferent, export described actual pressure data and described datum pressure data in the mode that can compare.
According to described liquid analysis device, owing to exporting actual pressure data and datum pressure data in the mode that can compare, so only by comparing these data, the producing cause of the exception occurred in transfer pipet and gas transfer pipeline etc. just can be determined simply according to the deviation between actual pressure data and datum pressure data.
Specifically, such as, can determine that pipe arrangement leaks, pipe arrangement blocks, the deterioration etc. of pump according to during the generation of deviation with inclined extent etc.
In addition, owing to obtaining actual pressure data from the pressure transducer in the root pipe portion being arranged on gas transfer pipeline, so without the need to arranging various sensor respectively abnormal position may be produced, just abnormal producing cause can be determined by very simple structure.
Even if in order to when the fault because of valve produces abnormal, also abnormal producing cause can be determined with very simple structure, preferably, described liquid analysis device also comprises the more than one valve be arranged on described transfer pipet or described gas transfer pipeline, described control part changes the internal pressure at described position by the open and close controlling of described valve, is shifted by described test liquid by described transfer pipet from a position to other position.
As concrete embodiment, can enumerate: as described series of processes, at least comprise: sample implantation step, the test liquid of ormal weight be transferred to the position of regulation; Analyze and use liquid implantation step, regulation quantitative analysis liquid is transferred to the position identical or different with the position of described regulation; And blend step, the test liquid of described ormal weight and regulation quantitative analysis liquid are transferred to the position identical or different with the position of described regulation and mixed.
In order to the robotization of Realization analysis, preferably, described liquid analysis device also comprises analysis portion, and described analysis portion is measured final solution and carried out the analysis of described test liquid, and described final solution reacts by utilizing the mixed test liquid of described blend step and analysis liquid and generates.
In order to automatically determine abnormal producing cause, preferably, described liquid analysis device also comprises inspection efferent, described inspection efferent carries out inspection operation, and the actual pressure data exported in described inspection operation, in described inspection operation, described control part applies the pressure of regulation under the state closing valve described in each by described pump, then opening and closing valve described in each successively.
According to the present invention of described structure, abnormal producing cause can be determined with very simple structure.
Accompanying drawing explanation
Fig. 1 is the integrally-built figure of the liquid analysis device schematically showing the first embodiment.
Fig. 2 is the functional block diagram representing with Fig. 1 the function being the control device of identical embodiment.
Fig. 3 illustrates the process flow diagram by the series of processes of carrying out with Fig. 1 control part that is identical embodiment.
Fig. 4 is the figure of the manometric output valve represented with Fig. 1 when being identical embodiment normal and time abnormal.
Description of reference numerals
100 liquid analysis devices
7 pressure regulating mechanisms
La transfer pipet
Lb gas transfer pipeline
B valve
12 diluting tanks
13 sample metering pools
71 pressure transducers
P pump
81 control parts
82 analysis portion
83 actual pressure data recording section
84 datum pressure data store
85 compare efferent
Embodiment
First embodiment of liquid analysis device 100 of the present invention is described with reference to the accompanying drawings.
The liquid analysis device 100 of present embodiment is the device for analyzing the water quality such as descending water etc., is the device measuring nitrogen concentration in test liquid and phosphorus concentration in the present embodiment.
More specifically, as shown in Figure 1, described liquid analysis device 100 possesses infusion circuit 101 and signal conditioning package 102, described infusion circuit 101 comprises: test liquid metering outfit 1, dilution metering outfit 2, nitrogen measurement reagent metering outfit 3, phosphorus measurement reagent metering outfit 4, nitrogen measuring cell 5, phosphorus measurement pond 6 and pressure regulating mechanism 7, is provided with for storing liquid and the fluid storage parts such as the various accumulator tanks making it react, gauge line and pond at the position of the regulation of infusion circuit 101.
In addition, in FIG, the pipe arrangement that the solid line express liquid connecting each position flows through, dotted line represents the pipe arrangement that gas flows through.
Test liquid is diluted to normal concentration by test liquid metering outfit 1, and the dilution test liquid after the dilution of metering specification amount.
Specifically, described test liquid metering outfit 1 comprises: sample storage chamber 11, stores test liquid; Diluting tank 12, supplies the test liquid of ormal weight from sample storage chamber 11 to this diluting tank 12, and supplies the dilution of ormal weight to this diluting tank 12; Sample metering pool 13, the dilution test liquid being diluted to normal concentration at diluting tank 12 supplies to this sample metering pool 13, and the described dilution test liquid of this sample metering pool 13 metering specification amount; Be arranged on sample storage chamber 11, diluting tank 12, sample metering pool 13, transfer pipet La1 between nitrogen measuring cell 5 and phosphorus measurement pond 6, shift various liquid; And valve B1, be arranged on each transfer pipet La1.
In addition, the test liquid metering outfit 1 of present embodiment also comprises: cleaning fluid accumulator tank 14, stores the cleaning fluids such as hydrochloric acid; Calibration solution accumulator tank 15, stored calibration liquid; And be arranged on described cleaning fluid accumulator tank 14, transfer pipet La1 between calibration solution 15 and diluting tank 12, described cleaning fluid and calibration solution can be supplied to diluting tank 12.
The pure water as dilution of dilution metering outfit 2 metering specification amount in the present embodiment, dilution metering outfit 2 comprises: pure water accumulator tank 21, stores pure water; Pure water metering pool 22, supplies pure water from pure water accumulator tank 21 to this pure water metering pool 22, and the pure water of this pure water metering pool 22 metering specification amount; Be arranged on pure water accumulator tank 21, transfer pipet La2 between pure water metering pool 22 and diluting tank 12, transfer pure water; And valve B2, be arranged on each transfer pipet La2.
The reagent for measuring the nitrogen concentration in test liquid of nitrogen measurement reagent metering outfit 3 metering specification amount, in the present embodiment, nitrogen measurement reagent metering outfit 3 comprises: reagent container 31, accommodates NaOH, potassium peroxydisulfate and hydrochloric acid respectively; Reagent gauge line 32, each reagent of metering specification amount; Reagent accumulator tank 33, each reagent of temporary reservoir when measuring; Be arranged on the transfer pipet La3 between each reagent gauge line 32 and nitrogen measuring cell 5, shift each reagent; And valve B3, be arranged on transfer pipet La3.
The reagent for measuring the phosphorus concentration in test liquid of phosphorus measurement reagent metering outfit 4 metering specification amount, in the present embodiment, phosphorus measurement reagent metering outfit 4 comprises: reagent container 41, accommodates sulfuric acid, potassium peroxydisulfate, ascorbic acid and ammonium molybdate respectively; Reagent gauge line 42, each reagent of metering specification amount; Reagent accumulator tank 43, each reagent of temporary reservoir when measuring; Be arranged on the transfer pipet La4 between each reagent gauge line 42 and phosphorus measurement pond 6, shift each reagent; And valve B4, be arranged on transfer pipet La4.
In addition, in the present embodiment, the reagent container 31 of collecting potassium peroxydisulfate, 41, reagent gauge line 32,42 and reagent accumulator tank 33,43, dual-purpose is the reagent container of the collecting potassium peroxydisulfate of any one party in nitrogen measurement reagent metering outfit 3 and phosphorus measurement reagent metering outfit 4, reagent gauge line and reagent accumulator tank respectively.
Nitrogen measuring cell 5 and phosphorus measurement pond 6, be supplied to dilution test liquid and reagent and by they mix, make them that various chemical reaction occur, generate final solution.
In addition, in the present embodiment, the final solution after measured in each measuring cell 5,6, is carried by waste liquid tank 9.
Pressure regulating mechanism 7 by diluting tank 12, each metering pool 13,22, the internal pressure of each reagent accumulator tank 33,43 and each measuring cell 5,6 is adjusted to malleation or negative pressure, and shifted from a position to other position by various liquid.
In the present embodiment, as described position, each accumulator tank 11,14,15,21 can be enumerated; Diluting tank 12; Each metering pool 13,22; Each reagent container 31,41; Each reagent accumulator tank 33,43 and each measuring cell 5,6, as other described position, can enumerate diluting tank 12; Each metering pool 13,22; Each reagent accumulator tank 33,43; Each measuring cell 5,6 and waste liquid tank 9.
Specifically, pressure regulating mechanism 7 comprises: pump P, produces the pressure for shifting various liquid; Gas transfer pipeline Lb, is connected with described pump P; And multiple valve B5, be arranged on gas transfer pipeline Lb.
Described gas transfer pipeline Lb is made up of root pipe portion Lb1 and multiple arm portion Lb2, and one end of described pipe portion Lb1 is connected with pump P, and described multiple arm portion Lb2 is connected by the other end fluidity of take-off point with root pipe portion Lb1.More particularly, root pipe portion Lb1 by described take-off point, the take-off point be positioned near pump P side is connected with pump P.The front end of each arm portion Lb2 respectively with diluting tank 12, each metering pool 13,22, each reagent accumulator tank 33,43, each measuring cell 5,6 and waste liquid tank 9 be connected.In addition, each take-off point is provided with multiple valve B5.
The root pipe portion Lb1 of present embodiment is provided with multiple valve B51, by switching described valve B51, switches between the state and the state of pump P withdrawing air of pump P force air, thus applies malleation or negative pressure to gas transfer pipeline Lb.In addition, in the present embodiment, atmospheric pressure can be become in gas transfer pipeline Lb.
The pressure regulating mechanism 7 formed as described above is by being adjusted to malleation or negative pressure by the internal pressure of the predetermined portion of described infusion circuit 101 that is diluting tank 12, each metering pool 13,22 and each reagent accumulator tank 33,43, carry out the metering of various liquid, become the state that the various liquid of ormal weight can be supplied to other position from a position.
In addition, the mode of measuring various liquid has following two kinds of modes in the present embodiment, and diluting tank 12, sample metering pool 13 and pure water metering pool 22 adopt following first method, and reagent gauge line 32,42 adopts following second method.
Below, with reference to Fig. 1, first method and second method are described.In addition, below for ease of understanding, when not distinguishing transfer pipet La1, La2, La3, La4, unification is recited as transfer pipet La.
First method
Adopt in the diluting tank 12 of first method, sample metering pool 13 and pure water metering pool 22 pond and sealed, insert gas transfer pipeline Lb and transfer pipet La from upside towards inner space, and the face of downside is provided with the transfer pipet La be communicated with other position in this pond.From the bottom of the transfer pipet La that the face of upside is inserted, be positioned at the position more on the lower, bottom than gas transfer pipeline Lb.
In described structure, liquid supplies in pond from the transfer pipet La in the face being arranged on upside, the supply of stop liquid under the state that liquid level is in position more closer to the top than the bottom of the transfer pipet La in the face being arranged on upside.Then, pressure regulating mechanism 7 applies malleation by gas transfer pipeline Lb to pond, the liquid level in pond is dropped to be arranged on the bottom of the transfer pipet La in the face of upside.In this condition, in pond, store the liquid of ormal weight, that is, store the liquid of bottom surface to the bottom of the transfer pipet La in the face on the upside of being arranged on from pond.By the transfer pipet La of the liquid of storage from the face being arranged on downside is shifted to other position, can be used for the liquid of ormal weight.
In addition, the position of bottom of transfer pipet La corresponding to the face being arranged on upside sets described ormal weight.
Second method
Adopt one end of the reagent gauge line 32,42 of second method to insert reagent container 31,41, and the other end insert in reagent accumulator tank 33,43, between reagent container 31,41 and reagent accumulator tank 33,43, be separately installed with valve B31, B41.In addition, in the present embodiment, described valve B31, B41 are such as three-way solenoid valves.
In described structure, under the state that the mode being communicated with reagent container 31,41 and reagent accumulator tank 33,43 with reagent gauge line 32,42 opens valve B31, B41, pressure regulating mechanism 7 applies negative pressure by gas transfer pipeline Lb to reagent accumulator tank 33,43, is shifted by reagent thus from reagent container 31,41 to reagent accumulator tank 33,43.Now, reagent flows in reagent accumulator tank 33,43 in the mode of overflowing from reagent gauge line 32,42.In this condition, if shutoff valve B31, B41, then in reagent gauge line 32,42, the reagent of residual ormal weight between the upper end of valve B31, B41 and reagent gauge line 32,42.That is, described residual reagent becomes ormal weight, is shifted by described reagent, can be used for thus to the reagent of ormal weight by transfer valve B31, B41 to measuring cell 5,6.
In addition, ormal weight according to the length setting of reagent gauge line 32,42.
So, the pressure regulating mechanism 7 of present embodiment, be provided with pressure transducer 71 at the root pipe portion Lb1 of gas transfer pipeline Lb, described pressure transducer 71 is measured and is just pressed in the root pipe portion Lb1 of gas transfer pipeline Lb produces by the air after force feed or by the air before being aspirated by pump P from pump P.
Then, descriptive information treating apparatus 102.
In addition, below for ease of understanding, when not distinguishing valve B1, B2, B3, B31, B4, B41, B5, B51, unification is recited as valve B.
As shown in Figure 2, signal conditioning package 102 is the so-called computer circuits with CPU, internal storage, I/O buffer circuit, AD converter etc., by carrying out information processing according to the program behavior in the regulation region being stored in internal storage, play as control part 81 described later, analysis portion 82, actual pressure data recording section 83, datum pressure data store 84 and the function comparing efferent 85.
Below each several part is described.
Control part 81 control pump P, and by carrying out to each valve B be arranged on gas transfer pipeline Lb and transfer pipet La the internal pressure that open and close controlling changes each position, various liquid is shifted from a position to other position by transfer pipet La.
The control part 81 of present embodiment controls series of processes test liquid and the analysis liquid (dilution, reagent etc.) that is used for analyzing described test liquid being transferred to multiple position.
As shown in Figure 3, in the present embodiment, series of processes comprises: sample implantation step, and the test liquid of ormal weight is transferred to diluting tank 12; Dilution implantation step, transfers to diluting tank 12 by the dilution of ormal weight; Metrology steps, transfers to sample metering pool 13 by the dilution test liquid obtained after dilution in diluting tank 12; Blend step, mixes the dilution test liquid of ormal weight and the agent transfer of ormal weight them to nitrogen measuring cell 5 or phosphorus measurement pond 6; Chemical reaction step, makes itself and the mixed liquor generation chemical reaction to be generated by blend step by the agent transfer of ormal weight to nitrogen measuring cell 5 or phosphorus measurement pond 6; And waste liquid step, after analysis portion 82 described later is analyzed the final solution generated by chemical reaction step, final solution is shifted to waste liquid tank 9.
Analysis portion 82 is to processing mechanism (not shown) the transmission processing signal possessing well heater, ultraviolet radiation device, light source and photodetector etc., hydrolyzable, heating and Ultraviolet radiation are carried out to described mixed liquor, and measure the nitrogen quantity and phosphorus amount that contain in described final solution, carry out the analysis of test liquid.
More specifically, the analysis portion 82 of present embodiment such as adopts absorbance measurements to carry out analytical sample liquid, the light detecting signal of the transmitted light that light reception detect with photodetector is irradiated, according to the nitrogen concentration contained in described light detecting signal calculating final solution and phosphorus concentration from light source to measuring cell 5,6.
Actual pressure data recording section 83 receives the signal from pressure transducer 71, in specified time limit in aforesaid series of processes, actual pressure data are recorded, the time dependent change of the internal pressure in the root pipe portion Lb1 that described actual pressure data representation pressure transducer 71 detects in the internal storage of regulation.In the present embodiment, continuously record from analyze time actual pressure data at the end of full operation.
Datum pressure data store 84 stores datum pressure data, described datum pressure data representation becomes the time series data of the benchmark of the pressure of root pipe portion Lb1, in the present embodiment, datum pressure data store 84 stores the datum pressure data repeatedly repeated during aforesaid series of processes.
In addition, datum pressure data also can be the data in the past that the device of normal condition is obtained by pressure transducer 71 when carrying out series of processes.
Relatively efferent 85 receives the signal from described actual pressure data recording section 83 and described datum pressure data store 84, actual pressure data and datum pressure data are exported in the mode that can compare, in the present embodiment, such as by such as image switching on same display, so that manner of comparison actual pressure data and datum pressure data can be exported.
In addition, compare efferent 85 and also can show actual pressure data and datum pressure data on display etc. simultaneously.
More particularly, as shown in Figure 4, compare efferent 85 and represent Measuring Time and the longitudinal axis represents on the same figure of force value at transverse axis, represent datum pressure data and actual pressure data.
In the present embodiment, the datum pressure data that described figure represents and actual pressure data, set in the mode that display mode is different, in the present embodiment, by represented by dashed line for datum pressure data, by indicated by the solid line for actual pressure data.
In addition, in the figure shown in Fig. 4, measurement range A represents the pressure change in sample implantation step and dilution implantation step, measurement range B represents the pressure change in metrology steps, pressure change at the end of measurement range C represents from blend step to analysis, measurement range D represents the pressure change in waste liquid step.
It is known as shown in the region a of Fig. 4 and region b: when the transfer pipet La for shifting test liquid leaks, in the sample implantation step using described transfer pipet La and dilution implantation step, between datum pressure data when representing normal and actual pressure data, create deviation.
According to the liquid analysis device 100 of the present embodiment formed as described above, actual pressure data and described datum pressure data are exported in the mode that can compare, so the operation of the anomalous effects being subject to liquid analysis device 100 can be determined simply from the deviation between actual pressure data and datum pressure data owing to comparing efferent 85.In addition, the structure described in utilization, in each operation of each operation, can confirm the exception of transfer pipet La, gas transfer pipeline Lb and the valve B etc. used in respective operation.In addition, in infusion circuit 101, can also confirm abnormal for each of the unit be made up of predetermined transfer pipet La, gas transfer pipeline Lb and valve B etc.
In addition, when the exception because of device makes operation all or almost all be affected, infer that reason is the deterioration of pump P, simply can also notice the deterioration of pump P thus.
In addition, in each operation, switched the open and-shut mode of each valve B by the pressure limit in pressure regulating mechanism 7 regulating reservoir by limit, can easily various liquid be shifted from a position to other position.
In addition, owing to having control part 81 and analysis portion 82, thus to make from test liquid being injected diluting tank 12 and start to analyze until obtain the object component that test liquid contains concentration and analyze terminate after make final solution become waste liquid till process automation.
Then, the second embodiment is described.
The liquid analysis device of the second embodiment also comprises inspection efferent, described inspection efferent carries out inspection operation, and the actual pressure data exported in described inspection operation, in described inspection operation, control part applies the pressure of regulation under the state closing each valve by pump, the then each valve of opening and closing successively.
More particularly, control part, in described inspection operation, applies the pressure of regulation under the state that whole valve of infusion circuit closes to gas transfer pipeline with pump, then by multiple valves that the order open and close controlling of regulation is predetermined.
In the present embodiment, predetermined multiple valves are parallel valve groups that the series valve group that is connected in series of each valve and each valve are connected in parallel.
For described series valve group, control part sets, and makes, from apart from the near valve of pump towards the valve far away apart from pump, successively valve to be switched to open mode from closed condition.
For described parallel valve group, control part sets, and valve is switched to open mode from closed condition by order successively that make to specify.In addition, also can to make an only having mode becoming open mode to carry out open and close controlling successively to each valve in parallel valve group.
Check that efferent will check the actual pressure data of operation and check that the datum pressure data of operation are presented on such as display etc. in the mode that can compare.
More specifically, in the same manner as the comparison efferent of described first embodiment, check that efferent represents actual pressure data and datum pressure data on same figure.
Structure described in utilization, by the actual pressure data in audit by comparison operation and datum pressure data, whether the transfer pipet that can confirm each valve respectively and be connected with each valve and gas transfer pipeline create exception, thus can determine abnormal producing cause more reliably.
Other embodiment is below described.
Such as, in said embodiment, compare efferent and actual pressure data and datum pressure data are represented on same figure, but such as also can use numeric representation over the display, also can by printer output to paper, can also to transmissions such as other personal computers.
The actual pressure data be stored in the internal storage of regulation can be kept in the external memory storage such as such as SD card, USB storage be arranged on dismantledly on liquid analysis device by actual pressure data store, and described preservation data to be presented in arbitrary place on display etc. and to confirm by user or supvr.
In addition, in said embodiment, datum pressure data store stores datum pressure data when repeatedly carrying out series of processes, but also can store using from the datum pressure data of sample implantation step to waste liquid step as base's data in a cycle.
In addition, datum pressure data store also can receive the signal from pressure transducer, review predetermined during the internal pressure in the root pipe portion detected with pressure transducer is stored.
In addition, signal conditioning package can be made also to possess function as abnormality determiner, described abnormality determiner is according to by comparing the actual pressure data and datum pressure data that efferent exports in the mode that can compare, when the force value of actual pressure data and datum pressure data has the difference of more than the value of regulation, be judged as abnormal and show abnormal notification indicia on such as display.
In addition, multiple button can being possessed, by selecting the figure on each button switching display, can confirm for each of the unit determined corresponding to each button abnormal thus.
As the analytic target contained in test liquid, be nitrogen and phosphorus in said embodiment, but also can using other composition as analytic target.
In addition, pressure regulating mechanism also can shift various liquid by the gas beyond force feed or withdrawing air.
In addition, the invention is not restricted to described embodiment, can various distortion be carried out without departing from the spirit and scope of the present invention.
Mutually can combine technical characteristic described in each embodiment of the present invention and form new technical scheme.
Claims (7)
1. a liquid analysis device, the series of processes that test liquid shifts to multiple position by process is to analyze described test liquid, and the feature of described liquid analysis device is,
Described liquid analysis device comprises:
Pump, produces the pressure for shifting described test liquid;
Gas transfer pipeline, be made up of root pipe portion and multiple arm portion, the one end in described pipe portion is connected with described pump, and described multiple arm portion is from the other end branch in described pipe portion and be connected with position described in each;
Pressure transducer, measures the pressure in described pipe portion;
Control part, changes the internal pressure at described position by the pressure controlling described gas transfer pipeline, shifted by described test liquid by transfer pipet from a position to other position;
Actual pressure data recording section, records actual pressure data in the specified time limit in described series of processes, the time dependent change of the pressure that pressure transducer measures described in described actual pressure data representation;
Datum pressure data store, stores datum pressure data, and described datum pressure data representation becomes the time dependent change of the benchmark of described pressure; And
Relatively efferent, exports described actual pressure data and described datum pressure data in the mode that can compare.
2. liquid analysis device according to claim 1, is characterized in that,
Described liquid analysis device also comprises the more than one valve be arranged on described transfer pipet or described gas transfer pipeline,
Described control part changes the internal pressure at described position by the open and close controlling of described valve, is shifted by described test liquid by described transfer pipet from a position to other position.
3. liquid analysis device according to claim 1 and 2, is characterized in that, as described series of processes, at least comprises: sample implantation step, the test liquid of ormal weight is transferred to the position of regulation; Analyze and use liquid implantation step, regulation quantitative analysis liquid is transferred to the position identical or different with the position of described regulation; And blend step, the test liquid of described ormal weight and regulation quantitative analysis liquid are transferred to the position identical or different with the position of described regulation and mixed.
4. liquid analysis device according to claim 3, it is characterized in that, described liquid analysis device also comprises analysis portion, described analysis portion is measured final solution and is carried out the analysis of described test liquid, and described final solution reacts by utilizing the mixed test liquid of described blend step and analysis liquid and generates.
5. liquid analysis device according to claim 2, is characterized in that,
Described liquid analysis device also comprises inspection efferent, and described inspection efferent carries out inspection operation, and exports the actual pressure data in described inspection operation,
In described inspection operation, described control part applies the pressure of regulation under the state closing valve described in each by described pump, then opening and closing valve described in each successively.
6. liquid analysis device according to claim 3, is characterized in that,
Described liquid analysis device also comprises inspection efferent, and described inspection efferent carries out inspection operation, and exports the actual pressure data in described inspection operation,
In described inspection operation, described control part applies the pressure of regulation under the state closing valve described in each by described pump, then opening and closing valve described in each successively.
7. liquid analysis device according to claim 4, is characterized in that,
Described liquid analysis device also comprises inspection efferent, and described inspection efferent carries out inspection operation, and exports the actual pressure data in described inspection operation,
In described inspection operation, described control part applies the pressure of regulation under the state closing valve described in each by described pump, then opening and closing valve described in each successively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013157207A JP6204104B2 (en) | 2013-07-29 | 2013-07-29 | Liquid analyzer |
| JP2013-157207 | 2013-07-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104345159A true CN104345159A (en) | 2015-02-11 |
| CN104345159B CN104345159B (en) | 2018-09-14 |
Family
ID=52490550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410310393.6A Active CN104345159B (en) | 2013-07-29 | 2014-07-01 | Liquid analysis device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6204104B2 (en) |
| KR (1) | KR102209901B1 (en) |
| CN (1) | CN104345159B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111602061A (en) * | 2018-01-15 | 2020-08-28 | 株式会社日立高新技术 | Automatic analyzer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022178844A (en) * | 2021-05-21 | 2022-12-02 | 株式会社日立ハイテク | Autoanalyzer |
| JPWO2023038022A1 (en) | 2021-09-09 | 2023-03-16 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100313687A1 (en) * | 2008-02-21 | 2010-12-16 | Beckman Coulter, Inc. | Stirring device and analyzer |
| CN102084257A (en) * | 2008-07-02 | 2011-06-01 | 贝克曼考尔特公司 | Dispensing device |
| CN102124351A (en) * | 2008-09-30 | 2011-07-13 | 株式会社日立高新技术 | Automatic analyzing system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960009220B1 (en) * | 1993-11-16 | 1996-07-16 | Daewoo Electronics Co Ltd | Microwave oven for barbecue |
| JPH08338801A (en) * | 1995-06-12 | 1996-12-24 | Kao Corp | Method for detecting clogging |
| JP4010723B2 (en) * | 1999-12-27 | 2007-11-21 | サクラ精機株式会社 | Tissue piece processing equipment |
| JP4248328B2 (en) * | 2002-08-07 | 2009-04-02 | 株式会社日立ハイテクノロジーズ | Sample dispensing apparatus and automatic analyzer using the same |
| JP2005204578A (en) * | 2004-01-23 | 2005-08-04 | Fuji Photo Film Co Ltd | Extraction device |
| JP2006258743A (en) * | 2005-03-18 | 2006-09-28 | Nokodai Tlo Kk | Liquid dispenser |
| JP4740010B2 (en) * | 2005-04-13 | 2011-08-03 | 富士フイルム株式会社 | Liquid feeding device, liquid feeding method thereof, and measuring device using total reflection attenuation |
| CN102326085B (en) * | 2009-02-27 | 2014-04-02 | 株式会社日立高新技术 | Chemical analysis device |
| JP5438622B2 (en) * | 2010-07-30 | 2014-03-12 | 富士フイルム株式会社 | Liquid supply apparatus, liquid discharge apparatus, and pressure control method |
| JP5865633B2 (en) * | 2011-09-01 | 2016-02-17 | 株式会社日立ハイテクノロジーズ | Automatic analyzer |
-
2013
- 2013-07-29 JP JP2013157207A patent/JP6204104B2/en active Active
-
2014
- 2014-07-01 CN CN201410310393.6A patent/CN104345159B/en active Active
- 2014-07-07 KR KR1020140084802A patent/KR102209901B1/en active IP Right Grant
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100313687A1 (en) * | 2008-02-21 | 2010-12-16 | Beckman Coulter, Inc. | Stirring device and analyzer |
| CN102084257A (en) * | 2008-07-02 | 2011-06-01 | 贝克曼考尔特公司 | Dispensing device |
| CN102124351A (en) * | 2008-09-30 | 2011-07-13 | 株式会社日立高新技术 | Automatic analyzing system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111602061A (en) * | 2018-01-15 | 2020-08-28 | 株式会社日立高新技术 | Automatic analyzer |
| CN111602061B (en) * | 2018-01-15 | 2023-07-14 | 株式会社日立高新技术 | Automatic analysis device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015025794A (en) | 2015-02-05 |
| CN104345159B (en) | 2018-09-14 |
| JP6204104B2 (en) | 2017-09-27 |
| KR102209901B1 (en) | 2021-02-01 |
| KR20150014364A (en) | 2015-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5204264A (en) | Method for validation of calibration standards in an automatic chemical analyzer | |
| CN104713994B (en) | For the analytical equipment for the digestion parameter for determining fluid sample | |
| CN100399023C (en) | Electronically controlled back pressure regulator | |
| CN105738287B (en) | Water Test Kits | |
| CN104007239B (en) | A kind of high concentration ion automatic on-line detecting system and method | |
| CN104345159A (en) | Liquid analyzing apparatus | |
| US11320335B2 (en) | Systems and methods for testing gas leak detectors | |
| CN112960867A (en) | Integrated sewage treatment dynamic regulation and control system | |
| CN108519479A (en) | A kind of online self-diagnosis system of biochip reaction process | |
| US20100161267A1 (en) | Device and Method for Automatic Calibration Verification of an Analyzer | |
| CN211043350U (en) | Full-automatic verification/calibration device of water quality on-line monitoring instrument | |
| CN111289064A (en) | Online calibrating device and method for metering performance of hydrogenation machine | |
| US20140132274A1 (en) | Method and apparatus for providing information in an electrolyte measurment system | |
| KR100421105B1 (en) | Validation method of single or mixed dye solution comprising single or mixed dye | |
| CN108217571A (en) | A kind of system and method for detecting anti-cheating fuel charger | |
| US20040087031A1 (en) | PH measurement system | |
| CN207248817U (en) | For measuring the automatic Titration potentiometer of chemical plating fluid stability | |
| CN110412232A (en) | A kind of full-automatic calibrating/calibrating installation and method of water quality on-line monitoring instrument device | |
| CN211718259U (en) | Water quality analyzer | |
| JP2011069801A (en) | Measuring device of amount of bubble within liquid by measurement of volume change rate | |
| CN116754054B (en) | Calibrating method and system for oil detection flowmeter | |
| CN212030697U (en) | Online calibrating device of hydrogenation machine measurement performance | |
| CN115597852B (en) | Electromagnetic proportional valve testing device and method for fuel cell system | |
| CN218545856U (en) | Mass flowmeter calibrating device based on standard meter method and weighing method | |
| CN212017733U (en) | A reaction liquid ration addition system for gelatin production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |