CN109094998A - A kind of blood test blood storing unit and its deposit method - Google Patents

A kind of blood test blood storing unit and its deposit method Download PDF

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Publication number
CN109094998A
CN109094998A CN201811036445.XA CN201811036445A CN109094998A CN 109094998 A CN109094998 A CN 109094998A CN 201811036445 A CN201811036445 A CN 201811036445A CN 109094998 A CN109094998 A CN 109094998A
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China
Prior art keywords
blood
cabinet
phase
deposit
blood test
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CN201811036445.XA
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Chinese (zh)
Inventor
刘竞
桂嵘
罗雁威
傅云峰
高萌
赵国胜
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Third Xiangya Hospital of Central South University
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Third Xiangya Hospital of Central South University
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Priority to CN201811036445.XA priority Critical patent/CN109094998A/en
Publication of CN109094998A publication Critical patent/CN109094998A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • B65D25/10Devices to locate articles in containers
    • B65D25/106Elements projecting into a recess or through a hole in the articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/28Applications of food preservatives, fungicides, pesticides, or animal repellents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/50Containers, packaging elements or packages, specially adapted for particular articles or materials for living organisms, articles or materials sensitive to changes of environment or atmospheric conditions, e.g. land animals, birds, fish, water plants, non-aquatic plants, flower bulbs, cut flowers or foliage

Abstract

The invention belongs to blood test technical field, a kind of blood test blood storing unit and its deposit method are disclosed;It is provided with cabinet, the bottom of box is placed with sponge block, the sponge block is equipped with several shrinkage pools, it is placed with inside the shrinkage pool and deposits blood vessel, described to deposit internal blood vessel sliding and be connected with bloodletting tube, the cabinet wall is equipped with the fixed component for depositing blood vessel, and the box house is equipped with refrigeration mechanism, it is additionally provided with sterilization mechanism on the cabinet wall, is equipped with dust-proof mechanism outside the cabinet.The fixation kit for depositing blood vessel includes the fixed plate that sliding is connected on cabinet wall, and the fixed plate is slided by the dovetail groove being arranged on cabinet wall, corresponding with sponge block shrinkage pool in the fixed plate to offer several through-holes.The present invention directly can be directly placed into preservation from blood drawing process, reduce the external environment infection in conversion process, and store and stablize anticollision, isolation effect is good.

Description

A kind of blood test blood storing unit and its deposit method
Technical field
The invention belongs to blood test technical field more particularly to a kind of blood test blood storing unit and its storages Method.
Background technique
Physical examination is the abbreviation of physical examination, refers to and is checked by medical means and method the body of subject.It is doctor The diagnosis link for the treatment of is the examination means for symptom or disease and its correlative factor.When common physical examination carries out blood testing, have When due to physical examination number it is more, Physical Examination is busy, and the storage of blood sample is mixed and disorderly, be unfavorable for blood testing work orderly progress, adopt Blood vessel is adopting that cryo-conservation cannot be carried out in time after blood sample, is unfavorable for that the characteristic of blood sample is kept not change, influences blood The accuracy of detection, heparin tube shake shock in storage frequent occurrence, and stability is poor, is easily damaged heparin tube, therefore need Researching and developing one kind enables blood sample to store in good orderly, guarantees the orderly progress of blood testing work, and heparin tube is adopting to obtain blood sample After can carry out cryo-conservation in time, be conducive to keep blood sample characteristic do not change, improve the accuracy of blood examination, and energy Reduce the shock impacts that heparin tube is subject to when storing mobile, stability is more preferable, is conducive to heparin tube is protected to be not easy impaired The common physical examination blood sample storing unit of hematology.
In conclusion problem of the existing technology is:
(1) existing blood equipment of depositing shakes shock frequent occurrence, and stability is poor, is easily damaged heparin tube, and dust-proof effect Difference, the time of the intracorporal refrigerating device refrigeration of case is longer at present, and refrigeration effect is poor, it is difficult to reach the storage temperature to blood Degree.
(2) disinfection equipment used at present is merely able to be removed certain bacterium and microorganism by setting, can not Lowest dose level needed for determining such microbial inactivation, usually continual use for a long time, causes certain money when sterilization Source waste.
(3) the temperature control in device used at present is unstable, not high to temperature controlled accuracy, by ambient temperature It is affected, causes the temperature fluctuation of box house larger, be unfavorable for the storage of blood.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of blood test blood storing units and its storage Method.
The invention is realized in this way a kind of blood test blood deposit method, the blood test are stored with blood Method includes:
(1) bloodletting tube carries out blood extraction, is checked, after the completion of blood drawing, bloodletting tube sliding is entered and deposits blood vessel, is led to It crosses opening control switch and opens air-cooler, box house is cooled down;
(2) sterilization processing is carried out to box house environment by ultraviolet radiator, is closed four pieces of dust boards by control cylinder It closes and cabinet top;
The air-cooler uses the two-way freezing by change of state method of novel tertiary, establishes model using Gambit front processor and draws Subnetting lattice, using specific enthalpy as unknown variable, carry out numerical simulation, fundamental equation form using the solidification in FLUENT/thawing model Are as follows:
Continuity equation:
The equation of momentum:
Energy equation:
Solid phase:
Liquid phase:
Solid-liquid interface:
Mass-conservation equation: div (U)=0;
In formula: U is the velocity vector of phase-change material;V is dynamic viscosity;P is pressure;C is specific heat capacity;ρ is density;K is Thermal coefficient;SU, ST are respectively the source item of momentum and energy conservation equation;λ is latent heat of phase change;
In the equation of momentum, density relevant to gravity are as follows:
ρ=ρref[1-β(T-Tref)];
Boundary condition: due to the surface insulation of front and back 4, boundary condition above and below heating unit are as follows:
In formula: 1 is the length of heating unit;R is heating unit radius refrigerant and phase-change material heat-transfer surface is coupled wall Face, the form of expression of coupling boundary have 3 kinds:
4) temperature is continuous: TW|f=TW|ρ
5) heat flow density is continuous: qW|f=qw|ρ
6) coupling boundary third boundary condition:
In formula: f represents refrigerant region;P represents phase-change material region primary condition: for initial temperature, refrigerant with Phase-change material should be equal;
TF|(x, y, T) | t=0=Tρ|(x, y, t) | t=0=T0
In formula: T0For refrigeration unit initial temperature, in order to utilize the sensible heat storage capacity of phase-change material, initial temperature is general Lower than phase transition temperature;As it is assumed that the temperature of cooling surface remains unchanged in process of refrigerastion, the temperature of cooling surface is permanent when solidification starts It is fixed:
T (x, y, t) |X=0, t > 0=Tt
Further, the intracorporal sterilization mechanism of the case is ultraviolet sterilizer, is divided into the area that becomes a mandarin, radiation area and the area Chu Liu 3 Part, first to inlet end face and exit end face carry out between be divided into the quadrilateral surface grid dividing of 0.03, pave type, then divide It is not initial surface to the Hex/Wedge grid dividing in entirely become a mandarin area and stream region progress cooper type out using this 2 end faces;It is right In the more complicated radiation area of structure, first to the first floor is done around ultraviolet lamp is 10%, ratio 1.05, totally 10 layers by close to dredging Then the Tet/Hybrid grid dividing of TGrid type is taken whole region in boundary layer;Ultraviolet disinfection device model is divided into 390187 cell cubes, 191482 nodes.
Further, the intracorporal refrigeration equipment of the case is provided with temperature control modules, and temperature control modules are used based on certainly The pid parameter Self-tuning System algorithm of optimizing, using increment type PID:
Firstly, taking first order filtering;The dynamic filter method for realizing RC low-pass filter in digital form, to one RC low-pass filter, transmission function are as follows: L (s)=1/ (τ s+1) wherein τ=RC is filter time constant, and the formula is discrete Change can obtain:
e′k=α e 'k-1+(1-α)ek
In formula: α=τ/(τ+T);T is the sampling period;ekThe input of filter when being sampled for kth time;e′kFor kth time sampling When filter output;e′k-1The output of filter when being sampled for kth -1 time;To deviation signal ekIt is modified, after amendment Deviation e 'kAs the deviation signal of kth time sampling instant, substitutes into PID formula and calculated;
Secondly, using separated integrator PID algorithm;Amplitude limiting processing is added, that is, works as | e | > ε, then Δ U=λ, λ are to allow most Great fluctuation process value;The threshold value Δ e of one position control of set-up of control system, computer to the error e obtained after data processing into Row judgement, specific as follows:
If ε >=| e | > Δ e carries out PD control, improves the dynamic characteristic of control,
When | e | when < Δ e, PID control is carried out, guarantees control precision, when | e | when > ε, Δ U=λ, constant.
Another object of the present invention is to provide a kind of blood tests for implementing the blood test blood deposit method With blood storing unit, the blood test is provided with cabinet with blood storing unit;
The bottom of box is placed with sponge block, and the sponge block is equipped with several shrinkage pools, is placed with inside the shrinkage pool Deposit blood vessel, described to deposit internal blood vessel sliding and be connected with bloodletting tube, the cabinet wall is equipped with the fixed component for depositing blood vessel, described Box house is equipped with refrigeration mechanism, and sterilization mechanism is additionally provided on the cabinet wall, is equipped with dust-proof mechanism outside the cabinet.
Further, the fixation kit for depositing blood vessel includes the fixed plate that sliding is connected on cabinet wall, the fixation Plate is slided by the dovetail groove that is arranged on cabinet wall, in the fixed plate it is corresponding with sponge block shrinkage pool offer it is several Through-hole.
Further, the refrigeration mechanism includes the cold wind on side adjacent wall where being threadedly secured in cabinet and dovetail groove Machine, the cabinet exterior are equipped with control switch.
Further, the sterilization mechanism includes the bracket being welded on wall box, and the bracket, which is tightened up a screw, is fixed with ring Shape plate is along the circumferential direction inlaid with several ultraviolet radiator on the annular slab.
Further, the dust-proof mechanism includes the dust board being hinged on cabinet exterior, and the dust board lower end is equipped with gas Cylinder, the cylinder end are hinged on wall box, and cylinder output is hinged on dust board bottom, on four sides of the cabinet It is equipped with dust-proof mechanism.
Advantages of the present invention and good effect are as follows:
(1) it is equipped with sponge block, is placed inside sponge block and deposits blood vessel, ensure that the stability during depositing blood, is equipped with and takes out Blood vessel and deposit blood vessel sliding and connect, during blood drawing can the pollution of anti-Hemostatic Oral Liquid possibility, by using the two-way phase transformation system of ternary Cooling method freezes, and increasing reduces cooling time, improves refrigeration effect, meets to temperature required for blood storage Degree.
(2) ultraviolet radiator annular is arranged, comprehensive, the dust board equipped with cylinder control of the sterilization maximumlly guaranteed, It can facilitate when depositing blood with cabinet on and off when taking blood, ensure that the dustfree environment of box house, by using ultraviolet light The CFD model of lamp, improves germicidal efficiency, and minimum flow agent, avoids to ultraviolet radiator needed for can determine microbial inactivation Long-term unlatching, saved resource.
(3) by using increment type PID temperature control modules, the stability to device internal temperature control is improved, Improve to temperature controlled accuracy, keep the intracorporal temperature of case more steady, fluctuation reduce, for blood storage provide it is good Good storage condition.
(4) refrigeration equipment has a temperature control modules for the intracorporal temperature setting of guard box, and temperature control modules use base In the pid parameter Self-tuning System algorithm from optimizing, using increment type PID, to realize that high-precision control increases following improvement: first First, to reduce because of High-frequency Interference caused by sampling with differential, digital filtering is introduced in this algorithm, to make degree of regulation more Height, digital filtering have different methods, and what this algorithm was taken is first order filtering;Surpassed due to caused by integral action to reduce It adjusts, improves stable state accuracy, this algorithm uses separated integrator PID algorithm;For reduce because be manually entered and foreign impacts interfere draw The oscillation risen, this algorithm joined amplitude limiting processing, that is, work as | e | > ε, then Δ U=λ, λ are the maximum fluctuation value allowed;Control system Threshold value △ e provided with a position control, computer judge the error e obtained after data processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of blood test blood storing unit provided in an embodiment of the present invention;
Fig. 2 is the schematic diagram of internal structure of cabinet provided in an embodiment of the present invention;
In figure: 1, cabinet;2, sponge block;3, blood vessel is deposited;4, bloodletting tube;5, fixed plate;6, air-cooler;7, control switch; 8, bracket;9, annular slab;10, ultraviolet radiator;11, dust board;12, cylinder.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing Detailed description are as follows.
Structure of the invention is explained in detail with reference to the accompanying drawing.
As depicted in figs. 1 and 2, blood test blood storing unit provided in an embodiment of the present invention includes: cabinet 1, sea Continuous block 2 deposits blood vessel 3, bloodletting tube 4, fixed plate 5, air-cooler 6, control switch 7, bracket 8, annular slab 9, ultraviolet radiator 10, dust-break Plate 11, cylinder 12.
1 bottom of cabinet is placed with sponge block 2, and the sponge block 2 is equipped with several shrinkage pools, is placed with and deposits inside the shrinkage pool Blood vessel 3,3 interior slip of blood vessel of depositing are connected with bloodletting tube 4, and 1 inner wall of cabinet is equipped with the fixed component for depositing blood vessel 3, It is equipped with refrigeration mechanism inside the cabinet 1, sterilization mechanism is additionally provided on 1 inner wall of cabinet, is equipped with outside the cabinet 1 dust-proof Mechanism.
The fixation kit for depositing blood vessel 3 includes the fixed plate 5 that sliding is connected on 1 inner wall of cabinet, and the fixed plate 5 is logical Cross the dovetail groove sliding being arranged on 1 inner wall of cabinet, in the fixed plate 5 it is corresponding with 2 shrinkage pool of sponge block offer it is several Through-hole.The refrigeration mechanism includes the air-cooler 6 on side adjacent wall where being threadedly secured in cabinet 1 and dovetail groove, the case 1 outer wall of body is equipped with control switch 7.The sterilization mechanism includes the bracket 8 being welded on 1 side wall of cabinet, spiral shell on the bracket 8 Silk is fixed with annular slab 9, and several ultraviolet radiator 10 are along the circumferential direction inlaid on the annular slab 9.The dust-proof mechanism includes The dust board 11 being hinged on cabinet exterior, 11 lower end of dust board are equipped with cylinder 12, and 12 bottom end of cylinder is hinged on case On 1 side wall of body, 12 output end of cylinder is hinged on 11 bottom of dust board, and the cabinet is equipped with dust-proof mechanism on 1 four sides.
The working principle of the invention is: the device bloodletting tube 4 carries out blood extraction, is checked, will after the completion of blood drawing The sliding of bloodletting tube 4, which enters, deposits blood vessel 6, opens air-cooler 6 by opening control switch 7, to being cooled down inside cabinet 1, Convenient for storage;Sterilization processing is carried out to 1 internal environment of cabinet by ultraviolet radiator 10, by controlling cylinder 12 for four pieces of dust boards 11 closures and 1 top of cabinet, reach dust-proof effect.
Blood test blood deposit method provided in an embodiment of the present invention includes:
(1) bloodletting tube carries out blood extraction, is checked, after the completion of blood drawing, bloodletting tube sliding is entered and deposits blood vessel, is led to It crosses opening control switch and opens air-cooler, box house is cooled down;
(2) sterilization processing is carried out to box house environment by ultraviolet radiator, is closed four pieces of dust boards by control cylinder It closes and cabinet top;
The air-cooler uses the two-way freezing by change of state method of novel tertiary, establishes model using Gambit front processor and draws Subnetting lattice, using specific enthalpy as unknown variable, carry out numerical simulation, fundamental equation form using the solidification in FLUENT/thawing model Are as follows:
Continuity equation:
The equation of momentum:
Energy equation:
Solid phase:
Liquid phase:
Solid-liquid interface:
Mass-conservation equation: div (U)=0;
In formula: U is the velocity vector of phase-change material;V is dynamic viscosity;P is pressure;C is specific heat capacity;ρ is density;K is Thermal coefficient;SU, ST are respectively the source item of momentum and energy conservation equation;λ is latent heat of phase change;
In the equation of momentum, density relevant to gravity are as follows:
ρ=ρref[1-β(T-Tref)];
Boundary condition: due to the surface insulation of front and back 4, boundary condition above and below heating unit are as follows:
In formula: 1 is the length of heating unit;R is heating unit radius refrigerant and phase-change material heat-transfer surface is coupled wall Face, the form of expression of coupling boundary have 3 kinds:
7) temperature is continuous: TW|f=TW|ρ
8) heat flow density is continuous: qW|f=qW|ρ
9) coupling boundary third boundary condition:
In formula: f represents refrigerant region;P represents phase-change material region primary condition: for initial temperature, refrigerant with Phase-change material should be equal;
Tf|(x, y, t) | t=0=Tρ|(x, y, t) | t=0=T0
In formula: T0For refrigeration unit initial temperature, in order to utilize the sensible heat storage capacity of phase-change material, initial temperature is general Lower than phase transition temperature;As it is assumed that the temperature of cooling surface remains unchanged in process of refrigerastion, the temperature of cooling surface is permanent when solidification starts It is fixed:
T (x, y, t) |X=0, t > 0=Tt
Further, the intracorporal sterilization mechanism of the case is ultraviolet sterilizer, is divided into the area that becomes a mandarin, radiation area and the area Chu Liu 3 Part, first to inlet end face and exit end face carry out between be divided into the quadrilateral surface grid dividing of 0.03, pave type, then divide It is not initial surface to the Hex/Wedge grid dividing in entirely become a mandarin area and stream region progress cooper type out using this 2 end faces;It is right In the more complicated radiation area of structure, first to the first floor is done around ultraviolet lamp is 10%, ratio 1.05, totally 10 layers by close to dredging Then the Tet/Hybrid grid dividing of TGrid type is taken whole region in boundary layer;Ultraviolet disinfection device model is divided into 390187 cell cubes, 191482 nodes.
Further, the intracorporal refrigeration equipment of the case is provided with temperature control modules, and temperature control modules are used based on certainly The pid parameter Self-tuning System algorithm of optimizing, using increment type PID:
Firstly, taking first order filtering;The dynamic filter method for realizing RC low-pass filter in digital form, to one RC low-pass filter, transmission function are as follows: L (s)=1/ (τ s+1) wherein τ=RC is filter time constant, and the formula is discrete Change can obtain:
e′k=α e 'k-1+(1-α)ek
In formula: α=τ/(τ+T);T is the sampling period;ekThe input of filter when being sampled for kth time;e′kFor kth time sampling When filter output;e′k-1The output of filter when being sampled for kth -1 time;To deviation signal ekIt is modified, after amendment Deviation e 'kAs the deviation signal of kth time sampling instant, substitutes into PID formula and calculated;
Secondly, using separated integrator PID algorithm;Amplitude limiting processing is added, that is, works as | e | > ε, then Δ U=λ, λ are to allow most Great fluctuation process value;The threshold value Δ e of one position control of set-up of control system, computer to the error e obtained after data processing into Row judgement, specific as follows:
If ε >=| e | > Δ e carries out PD control, improves the dynamic characteristic of control,
When | e | when<△ e, PID control is carried out, guarantees control precision, when | e | when>ε, Δ U=λ, constant.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form, Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to In the range of technical solution of the present invention.

Claims (8)

1. a kind of blood test blood deposit method, which is characterized in that the blood test blood deposit method includes:
(1) bloodletting tube carries out blood extraction, is checked, after the completion of blood drawing, bloodletting tube sliding is entered and deposits blood vessel, by beating It opens control switch and opens air-cooler, box house is cooled down;
(2) by ultraviolet radiator to box house environment carry out sterilization processing, by control cylinder by four pieces of dust-break plate closings with Cabinet top;
The air-cooler uses the two-way freezing by change of state method of novel tertiary, establishes model using Gambit front processor and divides net Lattice, using specific enthalpy as unknown variable, carry out numerical simulation, fundamental equation form using the solidification in FLUENT/thawing model are as follows:
Continuity equation:
The equation of momentum:
Energy equation:
Solid phase:
Liquid phase:
Solid-liquid interface:
Mass-conservation equation: div (U)=0;
In formula: U is the velocity vector of phase-change material;ν is dynamic viscosity;P is pressure;C is specific heat capacity;ρ is density;K is thermally conductive Coefficient;SU, ST are respectively the source item of momentum and energy conservation equation;λ is latent heat of phase change;
In the equation of momentum, density relevant to gravity are as follows:
ρ=ρref[1-β(T-Tref)];
Boundary condition: due to the surface insulation of front and back 4, boundary condition above and below heating unit are as follows:
In formula: l is the length of heating unit;It with phase-change material heat-transfer surface is to couple wall surface that R, which is heating unit radius refrigerant, The form of expression of coupling boundary has 3 kinds:
1) temperature is continuous: TW|f=TW|ρ
2) heat flow density is continuous: qW|f=qW|ρ
3) coupling boundary third boundary condition:
In formula: f represents refrigerant region;P represents phase-change material region primary condition: for initial temperature, refrigerant and phase transformation Material should be equal;
Tf|(x, y, t) | t=0=Tρ|(x, y, t) | t=0=T0
In formula: T0For refrigeration unit initial temperature, in order to utilize the sensible heat storage capacity of phase-change material, initial temperature is generally below Phase transition temperature;As it is assumed that the temperature of cooling surface remains unchanged in process of refrigerastion, the temperature of cooling surface is constant when solidification starts:
T (x, y, t) |X=0, t > 0=Tt
2. blood test as described in claim 1 blood deposit method, which is characterized in that the intracorporal sterilization mechanism of case For ultraviolet sterilizer, it is divided into 3 part of the area that becomes a mandarin, radiation area and the area Chu Liu, inlet end face and exit end face is carried out first Between be divided into the quadrilateral surface grid dividing of 0.03, pave type, then respectively using this 2 end faces as initial surface to entirely become a mandarin area and Stream region carries out the Hex/Wedge grid dividing of cooper type out;Radiation area more complicated for structure, first to ultraviolet lamp week Enclose do the first floor be 10%, ratio 1.05, totally 10 layers by close to thin boundary layer, TGrid type then is taken to whole region Tet/Hybrid grid dividing;Ultraviolet disinfection device model is divided into 390187 cell cubes, 191482 nodes.
3. blood test as described in claim 1 blood deposit method, which is characterized in that the intracorporal refrigeration equipment of case Temperature control modules are provided with, temperature control modules are used based on the pid parameter Self-tuning System algorithm from optimizing, using increment type PID:
Firstly, taking first order filtering;The dynamic filter method of RC low-pass filter is realized in digital form, it is low to a RC Bandpass filter, transmission function are as follows: L (s)=1/ (τ s+1) wherein τ=RC is filter time constant, can by the formula discretization :
e′k=α e 'k-1+(1-α)ek
In formula: α=τ/(τ+T);T is the sampling period;ekThe input of filter when being sampled for kth time;e′kTo be filtered when kth time sampling The output of wave device;e′K-1The output of filter when being sampled for kth -1 time;To deviation signal ekIt is modified, it will be revised inclined Difference e 'kAs the deviation signal of kth time sampling instant, substitutes into PID formula and calculated;
Secondly, using separated integrator PID algorithm;Amplitude limiting processing is added, that is, works as | e | > ε, then Δ U=λ, λ are the maximum wave allowed Dynamic value;The threshold value △ e of one position control of set-up of control system, computer sentence the error e obtained after data processing It is disconnected, specific as follows:
If ε >=| e | > △ e carries out PD control, improves the dynamic characteristic of control,
When | e | when<△ e, PID control is carried out, guarantees control precision, when | e | when>ε, Δ U=λ, constant.
4. a kind of blood test blood storing unit for implementing blood test blood deposit method described in claim 1, It is characterized in that, the blood test is provided with cabinet with blood storing unit;
The bottom of box is placed with sponge block, and the sponge block is equipped with several shrinkage pools, is placed with inside the shrinkage pool and deposits blood Pipe, described to deposit internal blood vessel sliding and be connected with bloodletting tube, the cabinet wall is equipped with the fixed component for depositing blood vessel, the cabinet Inside is equipped with refrigeration mechanism, and sterilization mechanism is additionally provided on the cabinet wall, is equipped with dust-proof mechanism outside the cabinet.
5. blood test as claimed in claim 4 blood storing unit, which is characterized in that the fixation kit for depositing blood vessel Including sliding the fixed plate being connected on cabinet wall, the fixed plate is slided by the dovetail groove being arranged on cabinet wall, It is corresponding with sponge block shrinkage pool in the fixed plate to offer several through-holes.
6. blood test as claimed in claim 4 blood storing unit, which is characterized in that the refrigeration mechanism includes screw thread Air-cooler where being fixed on cabinet and dovetail groove on the adjacent wall of side, the cabinet exterior are equipped with control switch.
7. blood test as claimed in claim 4 blood storing unit, which is characterized in that the sterilization mechanism includes welding Bracket on wall box, the bracket, which is tightened up a screw, is fixed with annular slab, if being along the circumferential direction inlaid on the annular slab Dry ultraviolet radiator.
8. blood test as claimed in claim 4 blood storing unit, which is characterized in that the dust-proof mechanism includes hinged Dust board on wall outside the enclosure, the dust board lower end are equipped with cylinder, and the cylinder end is hinged on wall box, cylinder Output end is hinged on dust board bottom, and the cabinet is equipped with dust-proof mechanism on four sides.
CN201811036445.XA 2018-09-06 2018-09-06 A kind of blood test blood storing unit and its deposit method Pending CN109094998A (en)

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CN105984644A (en) * 2015-06-25 2016-10-05 中山鼎晟生物科技有限公司 Blood sample storage kit and using method thereof
CN206447008U (en) * 2017-02-10 2017-08-29 李刚 Blood transportation box
CN207698398U (en) * 2017-11-30 2018-08-07 南通市肺科医院(南通市第六人民医院) A kind of medical blood taking inspection inspection transfer box

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Publication number Priority date Publication date Assignee Title
CN105984644A (en) * 2015-06-25 2016-10-05 中山鼎晟生物科技有限公司 Blood sample storage kit and using method thereof
CN206447008U (en) * 2017-02-10 2017-08-29 李刚 Blood transportation box
CN207698398U (en) * 2017-11-30 2018-08-07 南通市肺科医院(南通市第六人民医院) A kind of medical blood taking inspection inspection transfer box

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