CN205108513U - Liquid machine is joined in marriage to dislysate - Google Patents

Liquid machine is joined in marriage to dislysate Download PDF

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Publication number
CN205108513U
CN205108513U CN201520841939.0U CN201520841939U CN205108513U CN 205108513 U CN205108513 U CN 205108513U CN 201520841939 U CN201520841939 U CN 201520841939U CN 205108513 U CN205108513 U CN 205108513U
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CN
China
Prior art keywords
controlled valve
agitator
electrically
pump
flowing back
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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.)
Expired - Fee Related
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CN201520841939.0U
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Chinese (zh)
Inventor
徐勇
谭竞
秦立
张梅
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Chengdu Shengren Kang Medical Research Institute (limited Partnership)
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Chengdu Shengren Kang Medical Research Institute (limited Partnership)
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Priority to CN201520841939.0U priority Critical patent/CN205108513U/en
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Publication of CN205108513U publication Critical patent/CN205108513U/en
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Abstract

The utility model discloses a liquid machine is joined in marriage to dislysate relates to medical dialysis equipment. The technical essential: include agitator, liquid inlet channel, flowing back passageway and join in marriage the liquid passageway. Liquid inlet channel includes the inlet channel, intake automatically controlled valve and water flow meter, the water source is connected to the one end of inlet channel, and the other end is through automatically controlled valve and water flow meter link bit in the trompil of agitator below of intaking. The flowing back passageway includes drainage tube, pump, the automatically controlled valve of flowing back, flowing back flow switch, filter and flowing back flowmeter, drainage tube one end is connected with the trompil of agitator below, pump, the automatically controlled valve of flowing back, flowing back flow switch, filter and flowing back flowmeter set up in drainage tube is last, drainage tube for the other end union and downcomer link to each other. Just the trompil that the pump more is close to the agitator below for the automatically controlled valve of flowing back, flowing back flow switch, filter and flowing back flowmeter, the water inlet of pump passes through the trompil of drainage tube and agitator below is connected etc.

Description

A kind of dialysis solution liquid make-up machine
Technical field
This utility model relates to medical dialysis machine, especially a kind of dialysis solution liquid make-up machine.
Background technology
The concentrate dialysate (abbreviation dialysis solution) that current domestic hemodialysis unit uses is main from two kinds of modes: one be dialysis solution producer in plant produced, by storage, transport is final arrives hospital's hemodialysis unit, directly uses; The second is that hospital buys dialysis powder, and blood dialysis room dissolves preparation dialysis solution voluntarily.
The former is that dialysate concentration is comparatively accurate relative to the advantage of the latter, and purity is high, and quality is guaranteed, user saves labour force, but shortcoming is due to needs long term storage, so need aseptic packaging, and water preparation is heavier, add cost of transportation, end user's use cost is high.In order to reduce costs, current most of user adopts rear a kind of scheme, and the simple agitator of buying dialysis powder is prepared voluntarily.Often there are the following problems for the dialysis solution of such preparation:
1. agitator structure is simple and crude, and main by manual operation control, liquid capacity is by perusal, inaccurate;
2. dialysis solution mixing time is not fixed, and it is insufficient to stir too short dissolving, blocking hemo system; Stir too of a specified duration, occur excessive agitation, cause dialysis solution composition to change, potential safety hazard is brought to dialysis;
3. filter insufficient, dialysis solution impurity content is high, reduces the service life of dialysis quality and reduction blood filter biofilter, increases treatment cost;
4. agitator cannot automatic disinfection, easily pollutes dialysis solution.
Utility model content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, provides a kind of dosing automatization, the dialysis solution liquid make-up machine that liquid preparation time is unified.
The technical solution adopted in the utility model is such: comprise agitator, feed pathway, apocenosis passage and dosing passage.
Described feed pathway comprises inlet channel, water inlet electrically-controlled valve and feed water flow gauge; The connection water source, one end of inlet channel, the other end is by water inlet electrically-controlled valve and the perforate of feed water flow gauge connection bit below agitator.
Apocenosis passage comprises Drainage pipe, pump, discharge opeing electrically-controlled valve, draining flow switch, filter and draining flow meter; Drainage pipe one end is connected with the perforate below agitator, described pump, discharge opeing electrically-controlled valve, draining flow switch, filter and draining flow meter are arranged on described Drainage pipe, and described pump relative to discharge opeing electrically-controlled valve, draining flow switch, filter and draining flow meter closer to the perforate below agitator, the water inlet of pump is connected with the perforate below agitator by described Drainage pipe;
Dosing passage comprises dosing pipeline, circulation nozzle and agitation cycle electrically-controlled valve; One end of described dosing pipeline is connected with the perforate in the middle part of agitator, and circulation nozzle is positioned at agitator and is connected with described one end of dosing pipeline, and the other end of dosing pipeline is connected with the outlet of described pump by agitation cycle electrically-controlled valve;
Described all kinds of electrically-controlled valve and all kinds of effusion meter all have signal with control chip and are connected.
Further, also flushing channel is comprised; Described flushing channel comprises pipe blow-through, cleaning electrically-controlled valve and spray head; One end of described pipe blow-through is connected with the perforate above agitator, and spray head is positioned at agitator and is connected with described one end of pipe blow-through, and the other end of dosing pipeline is connected with the outlet of described pump by cleaning electrically-controlled valve.
Further, also sterilizing path is comprised; Described sterilizing path comprises decontamination duct, ozone mixer and sterilization electrically-controlled valve; One end of described decontamination duct is connected with the perforate above agitator, and the other end in decontamination duct is connected with the outlet of described pump by ozone mixer, sterilization electrically-controlled valve.
Further, heater and temperature sensor is also comprised; Described heater and temperature sensor are all positioned at agitator inside; Described heater and temperature sensor all have signal with control chip and are connected.
Further, also pressure transducer is comprised; Described pressure transducer is positioned at agitator inside and is positioned at bottom agitator; Described pressure transducer and control chip have signal and are connected.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, this utility model adopts control chip to carry out Centralizing inspection to each channel liquid flow, and unify to control to each ducted electrically-controlled valve according to monitoring result, achieve dosing automatization, and unified liquid preparation time can be set, effectively stopped the situation of the insufficient or excessive dosing of dosing.
2, manually or automatically can calculate required inflow according to the dialysis powder added, and pass through the open and close of feed liquor effusion meter control water inlet electrically-controlled valve, make amount of liquid reach the capacity of needs; The pressure transducer installed bottom agitator can monitor liquid level, according to the cylindrical shape of bucket, can calculate the liquid real time volume in agitator.If the difference of the volume calculated and setting value looked into certain limit, illustrate that strength of fluid deviation is comparatively large, machine sent alarm, thus ensure that the precision of strength of fluid.
3, this utility model can detect the temperature of liquid in agitator by temperature sensor, and when temperature is lower, system can enable the heater in agitator, to liquid heating, adds the dissolving of fast solute; Be particularly conducive to the efficiency and effect that ensure dosing in winter.
When 4, discharging the liquid prepared, with pumping, adopting draining flow meter monitoring flow, facilitating constant volume barrelling.After reserving capacity, each tapping just in time fills one barrel, and machine suspends tapping with regard to oneself, continues after changing bucket.Draining flow switch can control the speed that liquid is discharged.Thus effect prevents the careless bucket of manual operation from piling rear overflow, waste liquid, pollutes ground.
5, this utility model also has sterilization flushing channel, automatically can complete sterilization and the cleaning of the chemical disinfection preparation of liquid make-up machine; Also configurable ozonator, utilizes ejector to produce Sterilizing machine using ozone device.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model first embodiment.
Fig. 2 is the structural representation of this utility model second embodiment.
Fig. 3 is the structural representation of this utility model the 3rd embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.
first embodiment
As shown in Figure 1, the present embodiment comprises: agitator, feed pathway, apocenosis passage and dosing passage.
Wherein, described feed pathway comprises inlet channel, water inlet electrically-controlled valve Y5 and feed water flow gauge X0; The connection water source, one end of inlet channel, the other end connects by water inlet electrically-controlled valve Y5 and feed water flow gauge X0 the perforate be positioned at below agitator.
Apocenosis passage comprises Drainage pipe, pump Y1, discharge opeing electrically-controlled valve Y4, draining flow switch X2, filter A3 and draining flow meter X1; Drainage pipe one end is connected with the perforate below agitator, described pump Y1, discharge opeing electrically-controlled valve Y4, draining flow switch X2, filter A3 and draining flow meter X1 are arranged on described Drainage pipe, and the perforate of described pump Y1 below agitator, the water inlet of pump Y1 is connected with the perforate below agitator by described Drainage pipe, other equipment connections on the outlet of pump Y1 and apocenosis passage.The other end of Drainage pipe can be in communication with the outside, so that liquid is therefrom discharged, also can be connected with downcomer by articulation, and liquid is flow in specified containers or equipment by downcomer.
Dosing passage comprises dosing pipeline, circulation nozzle A2 and agitation cycle electrically-controlled valve Y2; One end of described dosing pipeline is connected with the perforate in the middle part of agitator, and circulation nozzle A2 is positioned at agitator and is connected with described one end of dosing pipeline, and the other end of dosing pipeline is connected with the outlet of described pump Y1 by agitation cycle electrically-controlled valve Y2.
Described all kinds of electrically-controlled valve and all kinds of effusion meter all have signal with control chip and are connected.In the present embodiment, the preferred turbine flowmeter of all kinds of effusion meter.
The present embodiment adopts PE Plastic Drum as agitator, and corrosion-resistant magnetic drive pump is as stirring power, corrosion-resistant PVC solenoid control flow direction.Such selection can successfully manage mordant dialysis solution.The filter that the present embodiment adopts is two-stage filter element filtering, and the liquid prepared filters through the filter element of different pore size or ultrafilter.Prime filter element adopts the cotton filter element of PP of 5 microns or 1 micron; Rear i.e. filter element adopts the PP foldable filter element of 0.22 or 0.1 micron; For when more high-purity requires, configurable hollow fiber ultrafiltration membrane filter; Not only this filtering scheme effective but also economical, and more renew cartridge is simple to operate.
The present embodiment selects PLC to be control chip, and PLC is more stable, in the poor wet environment work of operating mode, can avoid the easy produced problem of general circuit plate.
Agitator is generally cylindrical, is divided into below, middle part and top from top to bottom, and below offers the perforate connecting drainage pipeline and inlet channel, and middle part offers the perforate connecting dosing pipeline, and top offers the perforate connecting pipe blow-through.The top of agitator offers the opening pouring dialysis powder into, and bottom is relative with top.
second embodiment
See Fig. 2, the present embodiment has set up flushing channel and sterilizing path on the basis of the first embodiment.
Described flushing channel comprises pipe blow-through, cleaning electrically-controlled valve Y3 and spray head A1; One end of described pipe blow-through is connected with the perforate above dosing agitator, and spray head A1 is positioned at dosing agitator and is connected with described one end of pipe blow-through, and the other end of dosing pipeline is connected with the outlet of described pump Y1 by cleaning electrically-controlled valve Y3.
Described sterilizing path comprises decontamination duct, ozone mixer Y7 and sterilization electrically-controlled valve Y6; One end of described decontamination duct is connected with the perforate above dosing agitator, and the other end in decontamination duct is connected with the outlet of described pump Y1 by ozone mixer Y7, sterilization electrically-controlled valve Y6.
3rd embodiment
See Fig. 3, the present embodiment further increases the temperature sensor X4, heater Y0 and the pressure transducer X3 that are arranged at dosing agitator inside on the basis of the first embodiment or the second embodiment.
The temperature sensor that the present embodiment is selected is PT100 critesistor, and PT100 critesistor detects the temperature of liquid in agitator, and when temperature is lower, control chip enables the heater in agitator, to liquid heating, adds the dissolving of fast solute; In particularly winter, because inflow temperature is low, the sodium bicarbonate dissolubility in dialysis solution can reduce, and dissolves difficulty, and stirring of heating can raising efficiency.The data that the temperature sensor of control chip Real-Time Monitoring exports, when temperature of liquid is more than 40 DEG C, can cut off heating installation power supply, stop heating.
Described pressure transducer is positioned at agitator inside and is positioned at bottom agitator; Described pressure transducer and control chip have signal and are connected.
Because bucket is cylinder, the volume of liquid in bucket can be calculated according to pressure transducer.
The work process of the liquid make-up machine in this utility model comprises the basic process of dosing process, discharge opeing process these two, also comprises cleaning process, disinfecting process, heating steps and amount of liquid checking procedure in addition.Set forth each work process of liquid make-up machine in this utility model below further, better to understand this utility model.
Dosing process comprises further:
Step a1: control water inlet electrically-controlled valve and open after staff adds dialysis powder from the opening at agitator top.
Step a2: the reading of systems stay monitoring feed water flow gauge, when the reading of feed water flow gauge reaches the water inlet threshold value of setting, controls water inlet electrically-controlled valve and closes; Threshold value of wherein intaking calculates according to the strength of fluid of the component of dialysis powder added and requirement to obtain, and can be that staff calculates and resets liquid make-up machine and also automatically can be calculated by the control chip in liquid make-up machine.
Step a3: agitation cycle electrically-controlled valve opened automatically by machine, primer pump, liquid is pumped by described pump, then enters dosing pipeline, gets back in agitator by agitation cycle electrically-controlled valve, circulation nozzle, and the liquid in bucket is constantly stirred.Machine carries out timing to mixing time, and when the time reaches predetermined value, machine switched off agitation cycle electrically-controlled valve closes pump simultaneously.Mixing time predetermined value can be arranged by staff, also automatically can be calculated according to dosing dosage and kind by machine, and object prevents the insufficient or overlong time excessive agitation of time too short liquid agitation.
Liquid after discharge opeing process completes for dosing is discharged, and comprising:
Step b1: open discharge opeing electrically-controlled valve according to user instruction, liquid is discharged after draining flow switch, filter, draining flow meter;
Step b2: the reading of machine monitoring draining flow meter, closes discharge opeing electrically-controlled valve when the reading of draining flow meter reaches the discharge opeing threshold value of setting.The discharge opeing threshold value of setting can be suitable with the vessel volume of holding liquid, and each liquid of discharging just fills with a container, and then staff continues discharge opeing after changing empty.
Further, also cleaning process is comprised; Described cleaning process comprises further:
Step c1: control water inlet electrically-controlled valve and open; The reading of monitoring feed water flow gauge, when the reading of feed water flow gauge reaches the washing water quantity threshold value of setting, controls water inlet electrically-controlled valve and closes;
Step c2: open agitation cycle electrically-controlled valve and cleaning electrically-controlled valve in turn, opens pump during opening agitation cycle electrically-controlled valve and cleaning electrically-controlled valve in turn simultaneously;
Step c3: close agitation cycle electrically-controlled valve and cleaning electrically-controlled valve, and open discharge opeing electrically-controlled valve.
Further, also disinfecting process is comprised; Described disinfecting process comprises:
Steps d 1: control water inlet electrically-controlled valve and open; The reading of monitoring feed water flow gauge, when the reading of feed water flow gauge reaches the sterilization water yield threshold value of setting, controls water inlet electrically-controlled valve and closes (if adopt chemosterilant sterilization, can pour disinfectant solution into during this);
Steps d 2: close agitation cycle electrically-controlled valve when opening sterilization electrically-controlled valve and cleaning electrically-controlled valve, closes sterilization electrically-controlled valve and cleaning electrically-controlled valve, so in turn several times when opening agitation cycle electrically-controlled valve;
Steps d 3: close pump, agitation cycle electrically-controlled valve, sterilization electrically-controlled valve and cleaning electrically-controlled valve; Agitator is soaked a period of time;
Finally perform described cleaning process, cleaning process can be carried out repeatedly as required, makes the residual of sterilization reagent meet regulation.
Also perform heating steps when performing dosing process simultaneously; Described heating steps comprises: the reading that monitor temperature sensor exports, the heater when described reading is less than setting value, until close described heater when the reading that temperature sensor exports is not less than setting value.
Amount of liquid checking procedure is also comprised in dosing process; Described amount of liquid checking procedure comprises: the reading that monitoring pressure sensor exports; Liquid volume is calculated according to the reading that pressure transducer exports; The liquid volume relatively calculated and the water inlet threshold value of described setting, send alarm signal when deviation is greater than setting deviation.
In other embodiments, the liquid volume calculated according to pressure sensor readings can also be compared with the liquid volume obtained according to feed water flow gauge reader in dosing process.If both difference within the specific limits, illustrate that the concentration deviation of dosing is less, the liquid allotted is normal.If deviation is excessive, illustrate that the water yield injected is abnormal, this strength of fluid of joining also may be undesirable, and machine alarm reminds operator.
It should be noted that above-mentioned work process is not unique, staff can be arranged this utility model according to actual needs, make it according to certain Automatic Program work, therefore above-mentioned work process should be interpreted as the restriction to technical solutions of the utility model.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. a dialysis solution liquid make-up machine, is characterized in that, comprises agitator, feed pathway, apocenosis passage and dosing passage;
Described feed pathway comprises inlet channel, water inlet electrically-controlled valve and feed water flow gauge; The connection water source, one end of inlet channel, the other end is by water inlet electrically-controlled valve and the perforate of feed water flow gauge connection bit below agitator;
Apocenosis passage comprises Drainage pipe, pump, discharge opeing electrically-controlled valve, draining flow switch, filter and draining flow meter; Drainage pipe one end is connected with the perforate below agitator, described pump, discharge opeing electrically-controlled valve, draining flow switch, filter and draining flow meter are arranged on described Drainage pipe, and described pump relative to discharge opeing electrically-controlled valve, draining flow switch, filter and draining flow meter closer to the perforate below agitator, the water inlet of pump is connected with the perforate below agitator by described Drainage pipe;
Dosing passage comprises dosing pipeline, circulation nozzle and agitation cycle electrically-controlled valve; One end of described dosing pipeline is connected with the perforate in the middle part of agitator, and circulation nozzle is positioned at agitator and is connected with described one end of dosing pipeline, and the other end of dosing pipeline is connected with the outlet of described pump by agitation cycle electrically-controlled valve;
Described all kinds of electrically-controlled valve and all kinds of effusion meter all have signal with control chip and are connected.
2. a kind of dialysis solution liquid make-up machine according to claim 1, is characterized in that, also comprise flushing channel; Described flushing channel comprises pipe blow-through, cleaning electrically-controlled valve and spray head; One end of described pipe blow-through is connected with the perforate above agitator, and spray head is positioned at agitator and is connected with described one end of pipe blow-through, and the other end of dosing pipeline is connected with the outlet of described pump by cleaning electrically-controlled valve.
3. a kind of dialysis solution liquid make-up machine according to claim 2, is characterized in that, also comprise sterilizing path; Described sterilizing path comprises decontamination duct, ozone mixer and sterilization electrically-controlled valve; One end of described decontamination duct is connected with the perforate above agitator, and the other end in decontamination duct is connected with the outlet of described pump by ozone mixer, sterilization electrically-controlled valve.
4. a kind of dialysis solution liquid make-up machine according to claim 1, is characterized in that, also comprise heater and temperature sensor; Described heater and temperature sensor are all positioned at agitator inside; Described heater and temperature sensor all have signal with control chip and are connected.
5. a kind of dialysis solution liquid make-up machine according to claim 1, is characterized in that, also comprise pressure transducer; Described pressure transducer is positioned at agitator inside and is positioned at bottom agitator; Described pressure transducer and control chip have signal and are connected.
CN201520841939.0U 2015-10-28 2015-10-28 Liquid machine is joined in marriage to dislysate Expired - Fee Related CN205108513U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105233358A (en) * 2015-10-28 2016-01-13 成都康怡名仁医疗投资管理有限公司 Dialysate dispensing machine and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105233358A (en) * 2015-10-28 2016-01-13 成都康怡名仁医疗投资管理有限公司 Dialysate dispensing machine and control method thereof
CN105233358B (en) * 2015-10-28 2017-10-17 成都圣仁康医学研究院(有限合伙) A kind of dialyzate liquid make-up machine and its control method

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Granted publication date: 20160330