CN104189967B - Heater detection method and peritoneal dialysis equipment - Google Patents
Heater detection method and peritoneal dialysis equipment Download PDFInfo
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- CN104189967B CN104189967B CN201410461881.7A CN201410461881A CN104189967B CN 104189967 B CN104189967 B CN 104189967B CN 201410461881 A CN201410461881 A CN 201410461881A CN 104189967 B CN104189967 B CN 104189967B
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- heating unit
- heater
- unit
- state
- current
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/70—General characteristics of the apparatus with testing or calibration facilities
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2209/00—Ancillary equipment
- A61M2209/02—Equipment for testing the apparatus
Abstract
The invention discloses a heater detection method and peritoneal dialysis equipment. According to the heater detection method, an aged heater can be discovered in time by detecting the heater, resistance of the heater is prevented from increasing or decreasing due to aging of the heater, and accordingly heating time increase or excessively fast temperature increase is avoided. The peritoneal dialysis equipment comprises a heating unit, a detection unit, a processing unit, a control unit and a prompting unit. Through mutual matching of the units, whether the heating unit is aged or not can be discovered in time, and heating time increase or excessively fast temperature increase caused by resistance increase or decrease of the heating unit due to aging of the heating unit is prevented.
Description
Technical field
The present invention relates to peritoneal dialysis field, more particularly to a kind of heater detection method and peritoneal dialysis device.
Background technology
Peritoneal dialysis are the variant of artificial blood purification, typically can carry out peritoneal dialysis using different methods,
As CAPD (Continuous Ambulatory Peritoneal Dialysis, CAPD), automatization
Peritoneal dialysis (Automated Peritoneal Dialysis, APD) etc., now widely used peritoneal dialysis methods are certainly
Dynamicization peritoneal dialysis.
Peritoneal dialysis device includes heater, and fresh dialysis fluid before being conveyed to patient, is heated to by heater
In about 37 DEG C of temperature, to avoid causing the sense of discomfort of patient by cold dialysis solution.Heater needs over the course for the treatment of
Work long hours, and the therapeutic process of peritoneal dialysis is long, therefore heater belongs to aging electrical part faster.And user makes
Used time cannot learn the whether weathered of heater, once occur aging, it is possible that heating element heater resistance increase, then after
Continuous heat time heating time can increase.Or heating element heater resistance occurs diminish, temperature raises too fast.Factors above all can affect to control curative effect
Really, or even harm can be brought to patient.
Content of the invention
Based on this it is necessary to be directed to the above-mentioned problem that cannot learn whether heater is aging, provide a kind of heater detection
Method and its peritoneal dialysis device.
A kind of peritoneal dialysis device, including：Heating unit, for heating to dialysis solution；Detector unit, described for detecting
Heating unit；Processing unit, for judging the state of described heating unit according to the testing result of described detector unit；Control single
Unit, is controlled to described heating unit for the result according to described processing unit；Tip element, changes for prompting or ties up
Repair described heating unit；
Wherein, the result that described processing unit is used for detecting detector unit is contrasted with preset range, judges institute
State the state of heating unit；
When testing result is within described preset range, judge the current state of described heating unit for normally using shape
State；
When testing result is between described preset range and safety range, judge the current state of described heating unit for adjusting
Whole state；
When testing result is outside described safety range, judge that the current state of described heating unit uses shape for abnormal
State；
It is normal operating condition that described heating unit is additionally operable to when the current state of described heating unit, then described heating is single
Unit is according to current setting heating；When the current state of heating unit be adjustment state, then adjust described heating unit heating when
Between；When the current state of heating unit is abnormal using state, then point out to change by Tip element or the described heating of maintenance is single
Unit.
Wherein in an embodiment, described detector unit is used for detecting voltage and/or the electric current of heating unit, described plus
Multiple heater elements that hot cell passes through to include in it change resistance.
Above-mentioned heater detection method, by detecting to heater, can find weathered heater in time,
Prevent from, because heater generation is aging, the increase of heater resistance occurs or diminish, thus leading to increase heat time heating time or temperature rising
Too fast the occurrence of.
Above-mentioned peritoneal dialysis device includes heating unit, detector unit, processing unit, control unit and Tip element, leads to
Cross it to coordinate each other, can find whether heating unit is aging in time, prevent because heating unit occurs aging and heating occurs
Unit resistance increases or diminishes, thus the occurrence of lead to growth heat time heating time or temperature to raise too fast.
Brief description
Fig. 1 is the flow chart of the heater detection method in an embodiment；
Fig. 2 is the structural representation of the peritoneal dialysis device in an embodiment.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Elaborate a lot of details in order to fully understand this in the following description
Bright.But the present invention can be much to implement different from alternate manner described here, and those skilled in the art can be not
Similar improvement is done, therefore the present invention is not limited by following public specific embodiment in the case of running counter to intension of the present invention.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body is it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all of combination of the Listed Items closing.
Peritoneal dialysis device includes pump and heater for transporting fluid.Fresh dialysis solution is conveyed by pump from container
To adapter, thus being conveyed to patient.And heater is used for being heated to before fresh dialysis fluid is conveyed to patient greatly
In about 37 DEG C of temperature, it is to avoid due to discomfort is caused by cold dialysis solution.
Refer to Fig. 1, present embodiment provides a kind of heater detection method, and it comprises the steps：
S110：Heater is detected.
Before executing this step, need first heater.When heater is opened or in heater heating process
In heater can be detected with and specific detection time can be set according to specific needs.Due to using heating
Device is realized to take different modes during the heating to fresh dialysis fluid, and according to this different mode, the detection to heater
Mode is also different, mainly the detection voltage of heater and/or electric current, and the corresponding relation of concrete and mode of heating is such as
Under：
Mode one：For by the side that regulating and controlling voltage realizes the computer heating control to fresh dialysis fluid is carried out to heater
Formula, by detecting the voltage at heater two ends and by the electric current of this heater, may thereby determine that the resistance of front heater.
Mode two：Control specified electricity for by PWM (Pulse Width Modulation, pulse width modulation) mode
Pressure output time realize the mode to the computer heating control of fresh dialysis fluid it is only necessary to during energising heater path electric current.
Mode three：Control specified electricity for by PWM (Pulse Width Modulation, pulse width modulation) mode
The complex method of the pressure output time and regulation and control voltage realization computer heating control to fresh dialysis fluid, then pass through to detect heater two ends
Voltage and by the electric current of this heater, may thereby determine that the resistance of front heater.
S120：Testing result is contrasted with preset range, is judged the current state of described heater.
The testing result of step S110 is mainly contrasted by this step with default prevention or current range, thus sentencing
Break and the current state of heater.Because step S110 had detected resistance or the electric current of heater, and in this step, it is then
The resistance that obtain detection or electric current are contrasted with preset range, determine the current shape of heater according to the result of contrast
State.Corresponding to the different detection mode in step S110, mode one and mode three obtain the resistance value of heater, mode two
To the electric current of heater, specifically judge that the mode of the current state of heater is as follows：
For mode one and mode three, after the resistance value obtaining front heater, this resistance value is hindered with this heater
The preset range of value is contrasted.If the current resistance value of heater is in preset range, judge this heater as normally
Use state；If the current resistance value of heater is outside Standard resistance range set in advance, judge that this heater makes as abnormal
Use state.Further, can with preset resistive value safety range, when that is, the resistance of heater is in this resistance safety range,
Corresponding heater does not result in security threat.When the current resistance value of heater preset range and resistance safety range it
Between, then judge this heater as adjustment state.
For mode two, after the electric current obtaining heater path, this current electric current and this heater current are preset
Scope is contrasted.If the current electric current of heater is in preset range, judge this heater as normal operating condition；As
The current electric current of fruit heater outside preset range, then judges this heater as abnormal using state.Further, acceptable
Predetermined current safety range, when that is, the electric current of heater is in this electric current safety range, corresponding heater does not result in safety
Threaten.When the current electric current of heater is between preset range and electric current safety range, then judge this heater as adjustment state.
S130：According to the current state of described heater, described heater is controlled.
This step is according to the heater of step S120 determination current state, heater to be controlled accordingly.Root
Described in step S120, the current state of heater is broadly divided into three kinds：Normal operating condition, adjustment state and abnormal use
State, and this step determines according to this three kinds of states to the control of heater.
When the current state of heater is normal operating condition, then directly heated according to current setting, need not
Adjustment.
When the current state of heater is adjustment state, that is, represent the current resistance of heater or electric current in preset range
Outside.Now, the heat time heating time of adjustment heater, again will not be because of heating so that this heater both can accurately be heated
Device is aging and frequently changes heater.
When the current state of heater is abnormal using state, then make the prompting changed or keep in repair heater.
Include multiple heater elements in heater, by the cooperation of multiple heater elements and switch, reach change heater
The effect of resistance.Further, heater can realize adaptive adjustment by multiple heater elements, i.e. multiple heater elements
Series connection, and each it is parallel with switch, by controlling each to switch on and closing the adjustment to realize heater resistance.This
The mode of the resistance of regulation heater of sample not only can also reduce maintenance cost with material-saving.
Above-mentioned heater detection method, by detecting to heater, can find weathered heater in time,
Prevent from, because heater generation is aging, the increase of heater element resistance occurs or diminish, thus leading to increase or temperature liter heat time heating time
High too fast the occurrence of.
Refer to Fig. 2, the present invention provides a kind of peritoneal dialysis device.This peritoneal dialysis device includes heating unit 110, inspection
Survey unit 120, processing unit 130, control unit 140 and Tip element 150, heating unit 110 be used for fresh dialysis fluid plus
Heat, detector unit 120 is used for detecting described heating unit 110, and processing unit 130 is used for the detection knot according to detector unit 120
Fruit judges the state of heating unit 110, and control unit 140 is used for according to the result of processing unit 130, heating unit 110 being carried out
Adjustment, described Tip element 150 is used for providing the information needing to change or keep in repair heating unit 110.
Detector unit 120 is used for detecting resistance or the electric current of heating unit 110, and because heating unit 110 is realized to new
The heating of fresh dialysis solution has various ways, and according to different modes, it is also different to the detection mode of heating unit 110,
Predominantly detect voltage and/or the electric current of heating unit 110, and specifically as follows with the corresponding relation of mode of heating：
Mode one：Realize the computer heating control to fresh dialysis fluid for by regulating and controlling voltage is carried out to heating unit 110
Mode, by detecting the voltage at heating unit 110 two ends and by the electric current of this heating unit 110, may thereby determine that and work as
The resistance of front heating unit 110.
Mode two：Control specified electricity for by PWM (Pulse Width Modulation, pulse width modulation) mode
Pressure output time realize the mode to the computer heating control of fresh dialysis fluid it is only necessary to during energising heating unit 110 path electric current.
Mode three：Control specified electricity for by PWM (Pulse Width Modulation, pulse width modulation) mode
The complex method of the pressure output time and regulation and control voltage realization computer heating control to fresh dialysis fluid, then pass through to detect heating unit
The voltage at 110 two ends and the electric current passing through this heating unit 110, may thereby determine that the resistance of current heating unit 110.
Processing unit 130 is used for being contrasted testing result with preset range, judges the current shape of heating unit 110
State.For mode one and mode three, after the resistance value obtaining current heating unit 110, by this resistance value and this heating unit
The preset range of 110 resistances is contrasted.If the current resistance value of heating unit 110 is in preset range, judge to add
Hot cell 110 is normal operating condition；If the current resistance value of heating unit 110 is outside Standard resistance range set in advance,
Judge this heater as abnormal using state.Further, can be with preset resistive value safety range, i.e. heating unit 110
When resistance is in this resistance safety range, corresponding heating unit 110 does not result in security threat.When heating unit 110 is current
Resistance value between preset range and resistance safety range, then judge this heating unit 110 as adjustment state.For mode
Two, after the electric current obtaining heating unit 110 path, this current electric current is entered with this heating unit 110 electric current preset range
Row contrast.If the current electric current of heating unit 110 is in preset range, judge this heating unit 110 as normally using shape
State；If the current electric current of heating unit 110 is outside preset range, judge this heating unit 110 as abnormal using state.More
Further, can be corresponding with predetermined current safety range, when that is, the electric current of heating unit 110 is in this electric current safety range
Heating unit 110 do not result in security threat.When the current electric current of heating unit 110 is in preset range and electric current safety range
Between, then judge this heating unit 110 as adjustment state.
Control unit 140 is controlled to heating unit 110 according to the result of determination of processing unit 130.Work as heating unit
When 110 current states are normal operating conditions, then directly heated according to current setting, need not be adjusted.When heating is single
When first 110 current states are adjustment states, that is, represent the current resistance of heating unit 110 or electric current outside preset range.
Now, the heat time heating time of adjustment heating unit 110, again will not be because of so that this heating unit 110 both can accurately be heated
Heating unit 110 is aging and frequently changes heating unit 110.When the current state of heater is abnormal using state, then control
Tip element 150 processed makes the prompting changed or keep in repair heater.
Heating unit 110 is interior to include multiple heater elements, by the cooperation of multiple heater elements and switch, reaches change and adds
The effect of hot cell 110 resistance.Further, heating unit 110 can realize adaptive adjustment by multiple heater elements,
I.e. multiple heater element series connection, and each it is parallel with switch, to realize heating by controlling each to switch on and closing
The adjustment of device resistance.The mode of such resistance adjusting heater not only can also reduce maintenance cost with material-saving.
Above-mentioned peritoneal dialysis device include heating unit 110, detector unit 120, processing unit 130, control unit 140 and
Tip element 150, is coordinated each other by it, can find whether heating unit 110 is aging in time, prevents from occurring because of heater
Aging and occur heater element resistance increase or diminish, thus lead to heat time heating time increase or temperature raise too fast situation send out
Raw.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (2)
1. a kind of peritoneal dialysis device is it is characterised in that include：
Heating unit, for heating to dialysis solution；
Detector unit, for detecting described heating unit；
Processing unit, for judging the state of described heating unit according to the testing result of described detector unit；
Control unit, is controlled to described heating unit for the result according to described processing unit；
Tip element, changes for prompting or keeps in repair described heating unit；
Wherein, the result that described processing unit is used for detecting detector unit is contrasted with preset range, judges described adding
The state of hot cell；
When testing result is within described preset range, judge that the current state of described heating unit is normal operating condition；
When testing result is between described preset range and safety range, judge the current state of described heating unit for adjusting shape
State；
When testing result is outside described safety range, judge that the current state of described heating unit is abnormal using state；
It is normal operating condition that described heating unit is additionally operable to when the current state of described heating unit, then described heating unit is pressed
According to current setting heating；When the current state of heating unit is adjustment state, then adjust the heat time heating time of described heating unit；When
The current state of heating unit is abnormal using state, then point out to change by Tip element or keep in repair described heating unit.
2. peritoneal dialysis device according to claim 1 is it is characterised in that described detector unit is used for detecting heating unit
Voltage and/or electric current, multiple heater elements that described heating unit passes through to include in it change resistance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461881.7A CN104189967B (en) | 2014-09-11 | 2014-09-11 | Heater detection method and peritoneal dialysis equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461881.7A CN104189967B (en) | 2014-09-11 | 2014-09-11 | Heater detection method and peritoneal dialysis equipment |
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| CN104189967A CN104189967A (en) | 2014-12-10 |
| CN104189967B true CN104189967B (en) | 2017-02-22 |
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| CN105630035A (en) * | 2015-12-21 | 2016-06-01 | 国网上海市电力公司 | Method of detecting temperature field control system for incubator specially for sodium sulfur cell module |
| JP2018174047A (en) * | 2017-03-31 | 2018-11-08 | アズビル株式会社 | Device and method for degradation diagnosis |
| CN111596700A (en) * | 2020-05-28 | 2020-08-28 | 广东科学技术职业学院 | Infusion heating safety control method and circuit and infusion heating instrument |
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| HU196265B (en) * | 1986-04-11 | 1988-10-28 | Rolitron Mueszaki Fejlesztoe K | Method and apparatus for producing flow of wanted temperature of a physiological solution, as well as temperature control method and a heating device for the previously mentioned method and apparatus |
| JP3220229B2 (en) * | 1992-05-26 | 2001-10-22 | テルモ株式会社 | Heating element for tube connection device and method of manufacturing the same |
| US7153285B2 (en) * | 2002-01-17 | 2006-12-26 | Baxter International Inc. | Medical fluid heater using radiant energy |
| CN2565269Y (en) * | 2002-07-03 | 2003-08-13 | 赵淑荣 | Soya-bean heater |
| JP5401333B2 (en) * | 2010-01-06 | 2014-01-29 | アズビル株式会社 | Circuit abnormality detection apparatus and method |
| JP5148022B2 (en) * | 2010-09-22 | 2013-02-20 | オリンパスメディカルシステムズ株式会社 | Endoscopy temperature controller |
| CN202604312U (en) * | 2012-06-27 | 2012-12-19 | 于国有 | Electric blanket |
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