CN103884369A - Hemodialysis machine detector performance automatic calibration system - Google Patents

Hemodialysis machine detector performance automatic calibration system Download PDF

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CN103884369A
CN103884369A CN201410013273.XA CN201410013273A CN103884369A CN 103884369 A CN103884369 A CN 103884369A CN 201410013273 A CN201410013273 A CN 201410013273A CN 103884369 A CN103884369 A CN 103884369A
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temperature
circulation loop
closed circulation
data
hemodialysis machine
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张璞
刘文丽
万国庆
孙劼
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National Institute of Metrology
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National Institute of Metrology
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Abstract

The invention provides a hemodialysis machine detector performance automatic calibration system which comprises a closed circulation loop formed by a constant temperature water bath, a constant flow pump and a pressure regulator, a flow meter, a temperature sensor and a pressure sensor which are arranged in the loop, an acidity groove and a conductivity sensor arranged in the constant temperature water bath, an acidity meter probe arranged in the acidity groove, a salt concentration adjusting device which is connected with the constant temperature water bath, a control system and a data processing and output device. The control system inputs the flow, acidity, temperature, pressure, conductivity data collected by the flow meter, the acidity meter, the temperature sensor, the pressure sensor and the conductivity sensor into the data processing and output device for processing, and a calibration certificate is generated. At the same time, the control system adjusts the constant flow pump, the pressure regulator, the constant temperature water bath, and the salt concentration adjusting device to change the flow, pressure, temperature and conductivity of the loop. According to the system, through detecting the pressure, temperature, flow, conductivity and acidity index, the automatic detection calibration and state estimation of a hemodialysis machine detector can be carried out.

Description

Hemodialysis machine detector performance automated calibration system
Technical field
Calibration (tracing to the source) field that the present invention relates to medical testing equipment, particularly relates to a kind of hemodialysis machine detector performance automated calibration system.
Background technology
Haemodialysis control unit is the necessaries of uremic patient and septicemia patient treatment.Hemodialysis machine detector is to ensure haemodialysis control unit service-strong measurement and calibration equipment, is widely used in manufacturer for the Quality Assurance in measurement and calibration and the hospital of the product that dispatches from the factory.At present, the calibration of hemodialysis machine detector is mostly to adopt the separately mode of calibration of sub-indicator, for example: MESA Labs company of the U.S. has set up the MESA Labs90XL center of tracing to the source for the calibration of its product.This calibration steps is to calibrate respectively on three experimental provisions such as temperature, pressure and conductivity, is called as the goldstandard of U.S. FDA.But this calibration steps is because used equipment is many, and complex operation, complexity, be not suitable for each measurement and calibration unit and the use of medical quality assurance mechanism beyond factory.Owing to not measuring the standard set-up of tracing to the source for hemodialysis machine detector at present, this has had a strong impact on measurement and calibration and the quality assurance of haemodialysis control unit.
Summary of the invention
The object of the invention is to, a kind of hemodialysis machine detector performance automated calibration system of new structure is provided, technical matters to be solved is to make it utilize a closed circulation loop, by the pressure to closed circuit, temperature, the detection of flow and conductivity indices, and provide acidity to detect required constant temperature, acidity index is detected, the hemodialysis machine detector that can realize being calibrated carries out multiparameter, in real time, dynamic testing calibration automatically, and complete the state evaluation of the hemodialysis machine detector to being calibrated, be very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of hemodialysis machine detector performance automated calibration system proposing according to the present invention, it comprises: the closed circulation loop being connected and composed in turn by pipeline by water bath with thermostatic control, constant flow pump and pressure governor; Be arranged at flowmeter, temperature sensor and pressure transducer in described closed circulation loop; Be arranged at acidity groove and the conductivity sensor of described water bath with thermostatic control, wherein in described acidity groove, be provided with acidometer probe; The salinity regulating device being connected with described water bath with thermostatic control; The control system being connected with described flowmeter, described temperature sensor, described pressure transducer, described acidometer probe, described conductivity sensor, described constant flow pump, described pressure governor, described water bath with thermostatic control and described salinity regulating device respectively; And the data processing, the output unit that are connected with described control system; Wherein, described flowmeter, described temperature sensor, described pressure transducer and described conductivity sensor gather respectively flow, temperature, pressure and the conductivity data in described closed circulation loop and input described control system, and the acidity data that described acidometer gathers in described acidity groove are inputted described control system; Described control system by described flow, temperature, pressure and conductivity data and described acidity data input described data processing, output unit is processed, and compare, analyze with the data that the hemodialysis machine detector in access described closed circulation loop is measured, generate calibration certificate; Described control system is by regulating described constant flow pump, described pressure governor, described water bath with thermostatic control and described salinity regulating device can change flow, pressure, temperature and the conductivity in described closed circulation loop.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid hemodialysis machine detector performance automated calibration system, wherein said control system comprises: control device, flow regulator and temperature controller, described flow regulator is taken into account described constant flow pump with described flow and is connected, and receives the data on flows in the described closed circulation loop of described flowmeter collection, and delivery rate conditioning signal regulates described constant flow pump, changes the flow in described closed circulation loop, temperature controller is connected with described temperature sensor and described water bath with thermostatic control, receives the temperature data in the described closed circulation loop of described temperature sensor collection, and output temperature conditioning signal regulates described water bath with thermostatic control, changes the temperature in described closed circulation loop, described control device respectively with described flowmeter, described temperature sensor, described pressure transducer, described acidometer probe, described conductivity sensor, described flow regulator, described temperature controller, described pressure governor, described salinity regulating device and described data processing, output unit connects, receive described flowmeter, described temperature sensor, the described flow in the described closed circulation loop that described pressure transducer and described conductivity sensor gather, temperature, pressure and conductivity data, and described acidity data in the described acidity groove that gathers of described acidometer probe, and by described flow, temperature, pressure and conductivity data and described acidity data are inputted described data processing, output unit, described control device also described in the control of delivery rate control signal flow regulator regulate described constant flow pump to change the flow in described closed circulation loop, described control device also described in the control of output temperature control signal temperature controller regulate described water bath with thermostatic control to change the temperature in described closed circulation loop, described control device also output pressure conditioning signal regulates described pressure governor to change the pressure in described closed circulation loop, described control device is also exported salinity conditioning signal and is regulated described salinity regulating device to change the conductivity in described closed circulation loop, meanwhile, described control device also receives the feedback of status signal of described flow regulator, described temperature controller, described pressure governor and the output of described salinity regulating device.
Aforesaid hemodialysis machine detector performance automated calibration system, the accuracy of wherein said constant flow pump is 0.5%, the accuracy of described flowmeter is 0.5%, the accuracy of described temperature sensor is 0.05%, the accuracy of described pressure transducer is 0.1%, the accuracy of described pressure governor is better than 0.1%, and the accuracy of described conductivity sensor is better than 0.1%, and the accuracy of described acidometer probe is better than 0.1%.
Aforesaid hemodialysis machine detector performance automated calibration system, wherein in the time that hemodialysis machine detector is calibrated, the all the sensors of the described hemodialysis machine detector being calibrated accesses respectively described closed circulation loop, the acidity sensor of wherein said hemodialysis machine detector is put into described acidity groove, described hemodialysis machine detector is also connected with described control device, make the reading of the indices in the described closed circulation loop of described hemodialysis machine detector collection input described control device, input described data processing by described control device again, output unit, described acidity data in the described acidity groove indices reading of described hemodialysis machine detector and described flow, temperature, pressure and conductivity data and the described acidometer probe in the described closed circulation loop of now described flowmeter, described temperature sensor, described pressure transducer and described conductivity sensor collection being gathered by described data processing, output unit are compared, and generate calibration result.
Aforesaid hemodialysis machine detector performance automated calibration system, wherein said data processing, output unit obtain the exact value of the flow in described closed circulation loop according to the temperature of described temperature sensor and described pressure transducer collection and pressure data correction to the data on flows of described flowmeter collection, and the flow reading in the described closed circulation loop that itself and the described hemodialysis machine detector being now calibrated are gathered compares, generate calibration result.
Aforesaid hemodialysis machine detector performance automated calibration system, wherein said data processing, output unit obtain the exact value of the conductivity in described closed circulation loop according to the temperature data correction of described temperature sensor collection to the conductivity data of described conductivity sensor collection, and the conductivity readings in the described closed circulation loop that itself and the described hemodialysis machine detector being now calibrated are gathered compares, generate calibration result.
Aforesaid hemodialysis machine detector performance automated calibration system; the temperature reading in the described closed circulation loop that wherein said data processing, output unit gather the temperature data of described temperature sensor collection and the described hemodialysis machine detector being now calibrated is compared, and generates calibration result; Described data processing, output unit are compared the pressure data of described pressure transducer collection and the pressure reading that connects the described closed circulation loop that the described hemodialysis machine detector that is now calibrated gathers, and generate calibration result.
Aforesaid hemodialysis machine detector performance automated calibration system, acidity reading in the described acidity groove that wherein said data processing, output unit gather described acidometer probe the acidity data that gather and the described hemodialysis machine detector being now calibrated is compared, and generates calibration result.
Aforesaid hemodialysis machine detector performance automated calibration system, wherein said data processing, output unit can show the described acidity data in described flow, temperature, pressure and the conductivity data in described closed circulation loop and the described acidity groove of described acidometer probe collection that described flowmeter, described temperature sensor, described pressure transducer and described conductivity sensor gather, and print described calibration certificate.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, hemodialysis machine detector performance automated calibration system of the present invention at least has following advantages and beneficial effect:
Hemodialysis machine detector performance automated calibration system of the present invention utilizes a closed circulation loop, by the pressure to closed circuit, temperature, the detection of flow and conductivity indices, , and provide acidity to detect required constant temperature, acidity index is detected, the hemodialysis machine detector of having realized being calibrated carries out multiparameter, in real time, dynamic testing calibration automatically, and complete the state evaluation of the hemodialysis machine detector to being calibrated, it is the comprehensive detection of a collection multiparameter, the robotization control of collimation technique, the Intellectualized metering calibration system that the automatic Evaluation of calibration result is integrated.
Hemodialysis machine detector performance automated calibration system of the present invention, by will being originally dispersed in the static calibration work in multiple laboratories, concentrates on a system, and has realized quick, dynamic, the real-time auto-calibration that is calibrated instrument.Reduce numerous and diverse repetition dismounting by the work of test examination instrument, improve work efficiency, reduce labour intensity, for service popularization and the measurement and calibration work of hemodialysis machine detector provide favourable technical support, be very easy to the calibration operation of hospital's maintenance agency and measurement and calibration service organization.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Brief description of the drawings
Fig. 1 is the block scheme of hemodialysis machine detector performance automated calibration system of the present invention.
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of hemodialysis machine detector performance automated calibration system, structure, feature and effect thereof of proposing according to the present invention, be described in detail as follows.
Relevant aforementioned and other technology contents of the present invention, Characteristic can be known and present in the following detailed description coordinating with reference to graphic preferred embodiment.By the explanation of embodiment, should obtain one more deeply and concrete understanding for technological means and effect of reaching predetermined object and taking to the present invention, but appended graphic be only to provide with reference to the use of explanation, be not used for the present invention to be limited.
Hemodialysis machine detector performance automated calibration system of the present invention is the closed circulation loop that adopts a constant flow pump to drive, according to alignment requirements, by the program setting of control system, realize the automatic adjusting to closed circulation loop flow, temperature, pressure and conductivity parameter, and the constant temperature that can provide acidity to detect, form integrate multinomial measuring parameter regulating and controlling, data demonstration, error analysis processing, store the comprehensive calibration system of the functions such as printing.
Referring to shown in Fig. 1, is the block scheme of hemodialysis machine detector performance automated calibration system of the present invention.
Hemodialysis machine detector performance automated calibration system of the present invention comprises: by water bath with thermostatic control 1, the closed circulation loop that constant flow pump 2 and pressure governor 3 connect and compose in turn by pipeline, be arranged at the flowmeter 4 in this closed circulation loop, temperature sensor 51, 52 and pressure transducer 6, be arranged at acidity groove 7 and the conductivity sensor 8 of water bath with thermostatic control 1, wherein in acidity groove 7, be provided with acidometer probe, the salinity regulating device 9 being connected with water bath with thermostatic control 1, respectively with flowmeter 4, temperature sensor 51, 52, pressure transducer 6, acidometer probe and conductivity sensor 8, constant flow pump 2, pressure governor 3, the control system that water bath with thermostatic control 1 and salinity regulating device 9 connect, and the data processing being connected with control system, output unit 11.
Wherein, flowmeter 4, temperature sensor 51,52, pressure transducer 6 and conductivity sensor 8 gather respectively flow, temperature, pressure and the conductivity data input control system in this closed circulation loop, acidometer probe gathers the acidity data input control system in acidity groove 7, control system is processed these flows, temperature, pressure, acidity and conductivity data input data processing, output unit 11 again, and and compare, analyze, generation calibration certificate with the data that the hemodialysis machine detector in this closed circulation loop of access is measured.Control system is also by regulating constant flow pump 2, pressure governor 3, water bath with thermostatic control 1 and salinity regulating device 9 to change flow, pressure, temperature and the conductivity in this closed circulation loop.
Control system of the present invention can comprise: control device 10, flow regulator 12 and temperature controller 13.Wherein, flow regulator 12 is connected with flowmeter 4 and constant flow pump 2, the data on flows in this closed circulation loop that reception flowmeter 4 gathers, and delivery rate conditioning signal regulates constant flow pump 2, changes the flow in this closed circulation loop.Temperature controller 13 is connected with temperature sensor 51,52 and water bath with thermostatic control 1, receives the temperature data in this closed circulation loop that temperature sensor 51,52 gathers, and output temperature conditioning signal regulating thermostatic water-bath 1 changes the temperature in this closed circulation loop.
Control device 10 respectively with flowmeter 4, temperature sensor 51, 52, pressure transducer 6, acidometer probe, conductivity sensor 8, flow regulator 12, temperature controller 13, pressure governor 3, salinity regulating device 9 and data processing, output unit 11 connects, receive flowmeter 4, temperature sensor 51, 52, the flow in this closed circulation loop that pressure transducer 6 and conductivity sensor 8 gather, temperature, pressure and conductivity data, acidity data in the acidity groove 7 that acidometer probe gathers, and by flow, temperature, pressure, acidity and conductivity data input data processing, output unit 11.
Control device 10 of the present invention also exportable flow control signal control flow regulator 12 regulates constant flow pump 2 to change the flow in this closed circulation loop.Control device 12 of the present invention also defeated go out the 13 regulating thermostatic water-baths 1 of temperature control signals control temperature controller change the temperature in these closed circulation loops.Control device 10 of the present invention also exportable pressure adjustment signal regulates pressure governor 3 to change the pressure in this closed circulation loop.Control device 12 of the present invention also exportable salinity conditioning signal regulates salinity regulating device 9 to change the conductivity in this closed circulation loop.Meanwhile, control device 12 of the present invention also can receive the feedback of status signal that flow regulator 13, temperature controller 14, pressure governor 3 and salinity regulating device 9 are exported.
Hemodialysis machine detector performance automated calibration system of the present invention is in the time calibrating hemodialysis machine detector, the all the sensors of the hemodialysis machine detector being calibrated 14 be accessed respectively to this closed circulation loop, wherein the acidity sensor of hemodialysis machine detector 14 is to put into acidity groove 7.Hemodialysis machine detector also will be connected with control device 10, the reading input control device 10 of the indices in this closed circulation loop that hemodialysis machine detector 14 is gathered, input data processing by control device 10 again, output unit 11, by data processing, output unit 11 is by the indices reading of hemodialysis machine detector 14 and flowmeter 4, temperature sensor 51, 52, the flow in this closed circulation loop that pressure transducer 6 and conductivity sensor 8 gather, temperature, acidity data in the acidity groove 7 that pressure and conductivity data and acidometer probe gather are compared, generate calibration result.
It is that the liquid-circulating that 0.5% constant flow pump 2 promotes in closed circulation loop flows that the present invention can adopt accuracy, the flowmeter 4 that is 0.5% by accuracy gathers the data on flows in this closed circulation loop, and according to temperature sensor 51, 52 and pressure transducer 6 temperature and the pressure data that gather pass through data processing, the data on flows correction that output unit 11 gathers flowmeter 4 obtains the exact value of the flow in this closed circulation loop, and the flow reading in this closed circulation loop that this exact value and the hemodialysis machine detector 14 being now calibrated are gathered is compared, generate calibration result.The present invention is in the time calibrating hemodialysis machine detector 14, can control flow regulator 12 by control device 10 regulates constant flow pump 2 to change the fluid flow in closed circulation loop, thereby change calibration condition, and proceed the calibration process of flow after calibration condition changes, thereby complete the calibration of the flow indicator of the hemodialysis machine detector 14 to being calibrated.Wherein, the accuracy of temperature sensor 51,52 is 0.05%, and the accuracy of pressure transducer 6 is 0.1%.
The present invention adopts the salt solution with certain conductivity to flow in this closed circulation loop, and make this closed circulation loop keep temperature constant state, the conductivity number that the temperature data gathering according to temperature sensor 51,52 gathers conductivity sensor 8 by data processing, output unit 11 is revised the exact value of the conductivity that obtains this closed circulation loop, the conductivity readings in this closed circulation loop that this exact value and the hemodialysis machine detector 14 being now calibrated are gathered is compared, and generates calibration result.The present invention is in the time calibrating hemodialysis machine detector 14, can regulate salinity regulating device 9 to change the brine concentration in closed circulation loop by control device 10, thereby change calibration condition, and proceed the calibration process that electricity is led after calibration condition changes, thereby complete the calibration of the conductivity indices of the hemodialysis machine detector 14 to being calibrated.Wherein, the accuracy of conductivity sensor 8 is better than 0.1%.
The present invention is circulating with the expansion of water bath with thermostatic control 1, reach temperature constant state after mixing by liquid, and in the time that the stability of measuring the temperature in this closed circulation loop through temperature sensor 51,52 is less than 0.1%, the calibration of the temperature index of the hemodialysis machine detector 14 being calibrated.In when calibration, be that the temperature reading in this closed circulation loop of gathering by data processing, output unit 11 temperature data that temperature sensor 51,52 is gathered and the hemodialysis machine detector 14 being now calibrated is compared, generate calibration result.The present invention is in the time calibrating hemodialysis machine detector 14, can control temperature controller 13 and change by control device 10 temperature in closed circulation loop, thereby change calibration condition, and proceed the calibration process of temperature after calibration condition changes, thereby complete the calibration of the temperature index of the hemodialysis machine detector 14 to being calibrated.
Pressure calibration of the present invention is to stop after the liquid-circulating in closed circulation loop, by adopting accuracy to be better than carrying out under positive and negative pressure condition that 0.1% pressure governor 3 provides this closed circulation loop.In the time that hemodialysis machine detector 14 is calibrated, the pressure reading in this closed circulation loop that to be the pressure data that pressure transducer 6 gathered by data processing, output unit 11 gather with the hemodialysis machine detector 14 being now calibrated is compared, and generates calibration result.And can regulate pressure governor 3 to change the pressure in closed circulation loop by control device 10, thereby change calibration condition, and proceed the calibration process of pressure after calibration condition changes, thereby complete the calibration of the pressure index of the hemodialysis machine detector 14 to being calibrated.
The present invention can adopt and accuracy is better than to 0.1% acidometer probe puts into the acidity groove 7 of water bath with thermostatic control 1, the acidity index calibration of the hemodialysis machine detector 14 being calibrated.In the time of calibration, the acidity reading in the acidity groove 7 gathering by data processing, output unit 11 the acidity data that acidometer probe is gathered and the hemodialysis machine detector 14 being now calibrated is compared, and generates calibration result.
Data processing of the present invention, output unit 11 can show the acidity data in flow, temperature, pressure and the conductivity data in this closed circulation loop and the acidity groove 7 of acidometer probe collection that flowmeter 4, temperature sensor 5, pressure transducer 6 and conductivity sensor 8 gather, and store received data, and print the calibration certificate generating.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.

Claims (9)

1. a hemodialysis machine detector performance automated calibration system, is characterized in that it comprises:
The closed circulation loop being connected and composed in turn by pipeline by water bath with thermostatic control, constant flow pump and pressure governor;
Be arranged at flowmeter, temperature sensor and pressure transducer in described closed circulation loop;
Be arranged at acidity groove and the conductivity sensor of described water bath with thermostatic control, wherein in described acidity groove, be provided with acidometer probe;
The salinity regulating device being connected with described water bath with thermostatic control;
The control system being connected with described flowmeter, described temperature sensor, described pressure transducer, described acidometer probe, described conductivity sensor, described constant flow pump, described pressure governor, described water bath with thermostatic control and described salinity regulating device respectively; And
The data processing, the output unit that are connected with described control system;
Wherein, described flowmeter, described temperature sensor, described pressure transducer and described conductivity sensor gather respectively flow, temperature, pressure and the conductivity data in described closed circulation loop and input described control system, and the acidity data that described acidometer probe gathers in described acidity groove are inputted described control system; Described control system by described flow, temperature, pressure and conductivity data and described acidity data input described data processing, output unit is processed, and compare, analyze with the data that the hemodialysis machine detector in access described closed circulation loop is measured, generate calibration certificate; Described control system is by regulating described constant flow pump, described pressure governor, described water bath with thermostatic control and described salinity regulating device can change flow, pressure, temperature and the conductivity in described closed circulation loop.
2. hemodialysis machine detector performance automated calibration system according to claim 1, is characterized in that wherein said control system comprises: control device, flow regulator and temperature controller;
Described flow regulator is taken into account described constant flow pump with described flow and is connected, and receives the data on flows in the described closed circulation loop of described flowmeter collection, and delivery rate conditioning signal regulates described constant flow pump, changes the flow in described closed circulation loop;
Temperature controller is connected with described temperature sensor and described water bath with thermostatic control, receives the temperature data in the described closed circulation loop of described temperature sensor collection, and output temperature conditioning signal regulates described water bath with thermostatic control, changes the temperature in described closed circulation loop;
Described control device respectively with described flowmeter, described temperature sensor, described pressure transducer, described acidometer probe, described conductivity sensor, described flow regulator, described temperature controller, described pressure governor, described salinity regulating device and described data processing, output unit connects, receive described flowmeter, described temperature sensor, the described flow in the described closed circulation loop that described pressure transducer and described conductivity sensor gather, temperature, pressure and conductivity data, and described acidity data in the described acidity groove that gathers of described acidometer probe, and by described flow, temperature, pressure and conductivity data and described acidity data are inputted described data processing, output unit,
Described control device also described in the control of delivery rate control signal flow regulator regulate described constant flow pump to change the flow in described closed circulation loop; Described control device also described in the control of output temperature control signal temperature controller regulate described water bath with thermostatic control to change the temperature in described closed circulation loop; Described control device also output pressure conditioning signal regulates described pressure governor to change the pressure in described closed circulation loop; Described control device is also exported salinity conditioning signal and is regulated described salinity regulating device to change the conductivity in described closed circulation loop; Meanwhile, described control device also receives the feedback of status signal of described flow regulator, described temperature controller, described pressure governor and the output of described salinity regulating device.
3. hemodialysis machine detector performance automated calibration system according to claim 2, the accuracy that it is characterized in that wherein said constant flow pump is 0.5%, the accuracy of described flowmeter is 0.5%, the accuracy of described temperature sensor is 0.05%, the accuracy of described pressure transducer is 0.1%, the accuracy of described pressure governor is better than 0.1%, and the accuracy of described conductivity sensor is better than 0.1%, and the accuracy of described acidometer probe is better than 0.1%.
4. hemodialysis machine detector performance automated calibration system according to claim 3, it is characterized in that in the time that hemodialysis machine detector is calibrated, the all the sensors of the described hemodialysis machine detector being calibrated accesses respectively described closed circulation loop, the acidity sensor of wherein said hemodialysis machine detector is put into described acidity groove, described hemodialysis machine detector is also connected with described control device, the reading of the indices in the described closed circulation loop of described hemodialysis machine detector collection is inputted to described control device, input described data processing by described control device again, output unit, described acidity data in the described acidity groove indices reading of described hemodialysis machine detector and described flow, temperature, pressure and conductivity data and the described acidometer probe in the described closed circulation loop of now described flowmeter, described temperature sensor, described pressure transducer and described conductivity sensor collection being gathered by described data processing, output unit are compared, and generate calibration result.
5. hemodialysis machine detector performance automated calibration system according to claim 4, it is characterized in that wherein said data processing, output unit obtain the exact value of the flow in described closed circulation loop according to the temperature of described temperature sensor and described pressure transducer collection and pressure data correction to the data on flows of described flowmeter collection, and the flow reading in the described closed circulation loop that itself and the described hemodialysis machine detector being now calibrated are gathered compares, generate calibration result.
6. hemodialysis machine detector performance automated calibration system according to claim 4, it is characterized in that wherein said data processing, output unit obtain the exact value of the conductivity in described closed circulation loop according to the temperature data correction of described temperature sensor collection to the conductivity data of described conductivity sensor collection, and the conductivity readings in the described closed circulation loop that itself and the described hemodialysis machine detector being now calibrated are gathered compares, generate calibration result.
7. hemodialysis machine detector performance automated calibration system according to claim 4, the temperature reading that it is characterized in that the described closed circulation loop that wherein said data processing, output unit gather the temperature data of described temperature sensor collection and the described hemodialysis machine detector being now calibrated is compared, and generates calibration result;
Described data processing, output unit are compared the pressure data of described pressure transducer collection and the pressure reading that connects the described closed circulation loop that the described hemodialysis machine detector that is now calibrated gathers, and generate calibration result.
8. hemodialysis machine detector performance automated calibration system according to claim 4, it is characterized in that the acidity reading in described acidity groove that wherein said data processing, output unit gather described acidometer probe the acidity data that gather and the described hemodialysis machine detector being now calibrated compares, generate calibration result.
9. hemodialysis machine detector performance automated calibration system according to claim 1, it is characterized in that wherein said data processing, output unit can show the described acidity data in described flow, temperature, pressure and the conductivity data in the described closed circulation loop that described flowmeter, described temperature sensor, described pressure transducer and described conductivity sensor gather and described acidity groove that described acidometer probe gathers, and store received data, and print the described calibration certificate generating.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114894252A (en) * 2022-05-13 2022-08-12 宁波水表(集团)股份有限公司 Online water quality measuring device capability test system

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Application publication date: 20140625