CN109498916A - The heating apparatus monitored in place and its application method for being transfused or rinsing - Google Patents
The heating apparatus monitored in place and its application method for being transfused or rinsing Download PDFInfo
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- CN109498916A CN109498916A CN201811638641.4A CN201811638641A CN109498916A CN 109498916 A CN109498916 A CN 109498916A CN 201811638641 A CN201811638641 A CN 201811638641A CN 109498916 A CN109498916 A CN 109498916A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 230000005693 optoelectronics Effects 0.000 claims abstract description 30
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 17
- 238000001802 infusion Methods 0.000 claims abstract description 12
- 238000011010 flushing procedure Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 239000003990 capacitor Substances 0.000 claims description 70
- 238000001514 detection method Methods 0.000 claims description 9
- 239000008280 blood Substances 0.000 claims description 7
- 210000004369 blood Anatomy 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 101150037899 REL1 gene Proteins 0.000 claims description 3
- 101100099158 Xenopus laevis rela gene Proteins 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000005622 photoelectricity Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000002631 hypothermal effect Effects 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002318 cardia Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005138 cryopreservation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008717 functional decline Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/44—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for cooling or heating the devices or media
- A61M5/445—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for cooling or heating the devices or media the media being heated in the reservoir, e.g. warming bloodbags
-
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/22—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple
-
- 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
- A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
- A61M2205/127—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit with provisions for heating or cooling
-
- 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
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- 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
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
- A61M2205/3653—General characteristics of the apparatus related to heating or cooling by Joule effect, i.e. electric resistance
Abstract
The heating apparatus monitored in place and its application method for being transfused or rinsing, by the inner cavity of liquid container insertion heating apparatus, optoelectronic switch U6 is sheltered from, the light for being reflected into the receiving end optoelectronic switch U6 becomes strong, microcontroller circuit detects level change, know liquid container in place, one sound of buzzer BUZ1 ring, display screen is shown to bitmap mark, start heating apparatus, microcontroller on master control borad passes through the temperature sensor RT1 measuring temperature in temperature measurement circuit, when temperature is less than target temperature, microcontroller transmits signal, heating sheet is started to work, microcontroller calculates heating power, upper heating sheet P10 and lower heating sheet P11 heat heat-conducting plate, heat-conducting plate heats liquid container;When temperature tends to target temperature, heating power is lower and lower, after temperature reaches target temperature, make liquid container keep target temperature, infusion or flushing process after, disconnect heating apparatus power supply, take out liquid container.
Description
Technical field
The present invention relates to the heating apparatus monitored in place for being transfused or rinsing, it is specifically for use in medical transfusion, defeated
Blood and clinical flushing.
Background technique
Infusion and flushing are important clinical treatment means, especially largely rinse in infusion medical fluid, blood and operation, real
The infusion flushing liquor in medical fluid and operation often room temperature or cryo-conservation when border uses, most blood are also that freezer is protected
It deposits, since input fluid temperature is low, a large amount of inputs will lead to hypothermia, very big harm is brought to patient, such as surgery cut infection,
Cardia cevent, coagulation function decline, recovery from anesthesia time extend, extended hospital stay etc., therefore in infusion process
It needs to liquid warming.Therefore, carrying out heating in infusion is common clinical supplementary means, and the flushing in operation also has and makes
With, but often because it is pressed for time, utilization rate is not high.
Current clinically common heating means have heating water bath, incubator heating, perfusion tube heating etc..Heating water bath may
Germ is taken to pipeline surface by water-bath, may carry extremely purification region, purifying garment or net after medical staff or sufferer contact
Change on gloves, it is easy to which cross-infection is given the patient for having wound or propagated at other sufferers by mucous membrane contact, is institute's inner sense
The potential source of dye.
Incubator heating is one of the heating method generally used, needs in advance to be placed into incubator liquid and heat up, and is heated
Speed is slow, time-consuming, is not suitable for promptly being infused or transfusing blood;For heated liquid temperature without accurate display, temperature control is inaccurate;It is quiet
Only liquid heats, and heating is uneven, may cause physical and chemical properties of drugs change;Heat insulation effect is poor, heat leakage in infusion process
More, infusion process is often cool after elder generation is hot;Heating speed is restricted by liquid initial temperature, and initial temperature is lower, is heated slower.
Perfusion tube heating is also the mode being commonly used, the perfusion tube heating of patent No. ZL 200420036761.4
Mainly by the way that pipeline is placed in heating device, this way pipeline heating surface area is very limited, and usually liquid does not heat also in pipeline
Flowed to downstream to temperature, therefore on this problem, way be directly to be placed in bag body in heating apparatus, or adding
Very high temperature is set to achieve the purpose that quickly to heat, such as patent No. in thermal: ZL 03241419.6, but also therefore
Plastic packing article or pipeline are produced by high temperature melt or the security risk of precipitation chemical substance.There are also be coiled in using by pipeline
Increase the solution of heating surface area inside heating device, such as patent No.: ZL 201520889903.X, the patent No.: ZL
201730673014.4, number of patent application: ZL 201830317017.9, this way increase really heating surface area but also because
This makes pipeline become considerably long, and too long pipeline is very easy to kink or hangs rub other articles, Er Qie in use
Coiling pipeline is required when using every time, it is very inconvenient, and above two solution exists because of extrusion infusing pipeline itself
Specific thicknesses, caused by it is thermally conductive slow, using effect is bad.And equipment is often all bigger, carries not flexible installation
It is troublesome, be not easy to using.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides the heating dresses monitored in place for being transfused or rinsing
It sets, using the instant heating technique of dry type, liquid safe is promptly warmed to comfort temperature, help to maintain patient temperature, in advance
Anti- hypothermia is to adverse effect caused by patient.
The present invention is in order to achieve the object, used technical solution is: monitoring in place for what is be transfused or rinse
Heating apparatus, including upper casing, lower casing, display screen, power switch, master control borad, the master control borad include microcontroller circuit, power supply
Circuit, heater circuit, display and warning circuit, it is characterised in that: further include upper heating sheet P10, lower heating sheet P11, heat-conducting plate,
Temperature sensor RT1, optoelectronic switch U6, solid-state relay Q5, heat-conducting plate are divided into heat-conducting plate and lower heat-conducting plate, upper heat-conducting plate
There is a U-shaped groove in lower surface, is equipped at intervals with rectangular recess I and rectangular recess II, rectangular recess I and square in U-shaped groove opening
Connected in star II is extended inward from U-shaped slot opening;Lower heat-conducting plate is plate, and lower heat-conducting plate and upper heat-conducting plate mutually fasten, on
Heat-conducting plate U-shaped groove and lower heat-conducting plate form the inner cavity with line style opening, rectangular recess I and rectangular recess II respectively with
Lower heat-conducting plate forms inlet and liquid outlet, and temperature sensor RT1 is equipped on the upper heat-conducting plate above liquid outlet, is led upper
The end of hot plate is equipped with optoelectronic switch U6, and lower heating sheet P11 is close to the lower surface of lower heat-conducting plate, and upper heating sheet P10 is close to lead
The assembly of the upper surface of hot plate, upper heating sheet P10, heat-conducting plate and lower heating sheet P11 is fixed in lower casing, and display screen is embedded in
On the inclined-plane of upper casing front end, master control borad and solid-state relay Q5 are embedded at the top of upper casing, and power switch is located at the rear end of upper casing, on
Shell and lower casing are fastened togather;
Master control borad further includes temperature measurement circuit standby warning circuit and detection circuit in place, the microcontroller circuit respectively with thermometric
Circuit, standby warning circuit and in place detection circuit connect, temperature measurement circuit, standby warning circuit respectively with temperature sensor RT1
Connection, standby warning circuit connect with heater circuit, heater circuit pass through solid-state relay Q5 respectively with upper heating sheet P10 and under
Heating sheet P11 connection, power circuit are connect with display and warning circuit, heater circuit and microcontroller circuit respectively.
The specific connection of temperature measurement circuit are as follows: 2 feet of voltage regulator circuit U8,3 feet, 6 feet, 7 feet ground connection, 1 foot of voltage regulator circuit U8
8 feet of connecting resistance R24, temperature sensor RT1, capacitor C23, one end of capacitor C24 and voltage regulator circuit U8 respectively, resistance R24's
The one end another termination capacitor C32 and 5V power supply, capacitor C32 other end ground connection, the other end ground connection of capacitor C23, temperature sensor
The RT1 other end connects the other end of capacitor C24 respectively and one end of capacitor C30, resistance R28, resistance R28 connect electricity by resistance R34
Hold the C30 other end and ground;
The specific connection of standby warning circuit are as follows: comparator U7 6,7 foot of foot and 12 feet ground connection, the 1 foot connecting resistance of comparator U7
R23, the other end of resistance R23 connect 5V power supply, resistance R22 and the one end capacitor C33 respectively, and 2 feet of comparator U7 distinguish connecting resistance
2 feet of the R22 other end and logic gates U3,3 feet of comparator U7 meet one end of 5V power supply and capacitor C26, resistance R31 respectively
With one end of a terminating resistor R27 of capacitor C29, one end of a terminating resistor R26 of resistance R30 and capacitor C28, resistance R29
With one end of a terminating resistor R25 of capacitor C27, another termination temperature measurement circuit voltage regulator circuit of resistance R27, resistance R26 and R25
1 foot of U8, the other end difference of capacitor C26, capacitor C27, capacitor C28, capacitor C29, resistance R29, resistance R30 and resistance R31
Ground connection, one end of the 13 feet difference connecting resistance R21 of comparator U7 and 3 feet of logic gates U3, the 14 feet difference of comparator U7
One end of connecting resistance R20 and 5 feet, 8 feet and 9 feet of logic gates U3, another termination capacitor C34 of resistance R20 and resistance R21
One end and 5V power supply, the other end ground connection of capacitor C34 and capacitor C33,1 foot of logic gates U3 connect logic gates U4's
1 foot, 4 feet of logic gates U3 connect 2 feet of logic gates U4, and 10 feet of logic gates U3 connect the 8 of logic gates U3
Foot and 9 feet, the 7 feet ground connection of logic gates U3,10 feet of logic gates U3 connect 9 feet of logic gates U4, logic gate electricity
11 and 12 feet of road U3 connect 2 feet of power switch S2, and 3 feet of power switch S2 meet 5V power supply, 1 foot ground connection, logic gates U3
13 feet connect 4 feet of logic gates U4,14 feet of logic gates U3 connect one end and the 5V power supply of capacitor C5, and capacitor C5's is another
One end ground connection, 3 feet of logic gates U4 connect the base stage of the triode Q1 of display and warning circuit, 5 feet of logic gates U4
30 feet of microcontroller circuit single-chip microcontroller U5 are connect, 6 feet of logic gates U4 connect 10 feet of logic gates U4, logic gates
7 feet of U4 are grounded, and 8 feet, 12 feet, 13 feet of logic gates U4 connect 1 foot of heater circuit power switch chip Q4, logic respectively
14 feet of gate circuit U4 connect one end of 5V power supply and capacitor C6, the other end ground connection of capacitor C6 respectively.
The specific connection of detection circuit in place are as follows: 3 feet of comparator U7D connect respectively current-limiting resistance R16, resistance R17 one
End, a fixing end of adjustable resistance R33 and 5V voltage, the receiving end collection of the positive input termination optoelectronic switch U6 of comparator U7D
The other end of electrode and resistance R17, the adjustable end of the negative input termination adjustable resistance R33 of comparator U7D, the 12 of comparator U7D
Foot, another fixing end of adjustable resistance R33, the receiving end emitter of optoelectronic switch U6 and optoelectronic switch U6 transmitting tube cathode
Ground connection, the transmitting tube anode of optoelectronic switch U6 connect the other end of current-limiting resistance R16, and the output of comparator U7D terminates microcontroller
15 feet of circuit single-chip microcontroller U5.
Microcontroller U5 model are as follows: PIC24FJ128GC006;Voltage regulator circuit U8 model are as follows: TL431;Comparator U7 model
Are as follows: LM239;Logic gates U3 model are as follows: SN74HCT02;Logic gates U4 model are as follows: SN74HCT00;Comparator U7D
Model are as follows: LM239.
Display screen uses 2.7 cun of OLED screens, and visible angle is greater than 160 °.Upper heat-conducting plate, lower heat-conducting plate are closed by high-intensitive aluminium
Golden material.The side of upper casing is additionally provided with a fixed handle, and fixed handle is a clip.One is additionally provided on the upper surface of upper casing
A handle.The inside of rectangular recess I and rectangular recess II on upper heat-conducting plate is set there are two outlet groove I, in lower heat-conducting plate
Upper and outlet groove I corresponding position is set there are two outlet groove II, and outlet groove I and outlet groove II form two
Outlet.
Application method for the heating apparatus for being transfused or rinsing, it is characterised in that: before use, operator is by liquid container
It is open in the inner cavity be inserted into and formed by upper heat-conducting plate and lower heat-conducting plate by line style, when liquid container is inserted into intracavity bottom,
The end of liquid container has just sheltered from optoelectronic switch U6, and the light for being reflected into the receiving end optoelectronic switch U6 becomes strong, causes defeated
The variation of voltage out, by comparator U7D compared with reference voltage, the output end level of comparator U7D changes, micro-control
Device circuit processed detects level change, can know the information of liquid container in place, and microcontroller circuit passes through output pin control
System display and one sound of warning circuit buzzer BUZ1 ring, while controlling display screen and being shown to bitmap mark, then, confirmation liquid holds
The entrance of device is placed in liquid inlet, and the outlet of liquid container is placed in liquid outlet, in use, turning on the power switch, is heated
Device starts, and the microcontroller on master control borad passes through the temperature sensor RT1 measuring temperature in temperature measurement circuit, microcontroller control
Heater circuit, when temperature is less than target temperature, microcontroller transmits signal, the solid-state relay of heater circuit to heater circuit
Q5 closure, heating sheet are started to work, and microcontroller calculates the power for needing to heat by pid algorithm, then is converted into heating sheet
The duty ratio of P10 and lower heating sheet P11 heating is output to solid-state relay Q5 by the PWM module of microcontroller, adds in connection
Backing P10 and lower heating sheet P11, upper heating sheet P10 and lower heating sheet P11 heat heat-conducting plate, and heat-conducting plate holds liquid
Device heating;When temperature tends to target temperature, heating power is lower and lower, after temperature reaches target temperature, makes liquid container
Target temperature is kept, until infusion or flushing process terminate, after use, operator takes out liquid container, optoelectronic switch U6
It is no longer blocked by liquid container end, the light for being reflected into the receiving end optoelectronic switch U6 dies down, and output voltage becomes liquid container again
Numerical value when being not inserted into, so that the output level of comparator U7D also changes, so that the information that liquid container is removed is transmitted
To microcontroller circuit, microcontroller, which is powered, passes by the buzzer BUZ1 ring two of output pin control display and warning circuit
Sound, while display screen display dislocation icon is controlled, the power supply of heating apparatus can be disconnected at this time.
The improper alarm of use process and protection mechanism: if liquid container falls off accidentally can excite buzzer BUZ1 ring two
Sound and display screen display dislocation icon;If temperature is lower than low-temperature warning point or when being higher than the first high temperature alarm point, microcontroller control
Standby warning circuit processed sounds an alarm, and shows relative alarm information on a display screen;If temperature is higher than the second high temperature alarm point
When, microcontroller directly controls anchor relay REL1, carries out to solid-state relay Q5, upper heating sheet P10 and lower heating sheet P11
Power down process;If microcontroller can not normal control power-off, standby warning circuit is also able to achieve the function of power-off and alarm, it is ensured that
Safety when heating apparatus uses.
Heating apparatus is fixed on Medical rack bar before use, first passing through fixed handle.
When for transfusing blood or be infused, target temperature is 41 DEG C, and low-temperature warning point is 33 DEG C, and the first high temperature alarm point is 43
DEG C, when the second high temperature alarm point is used to rinse for 46 DEG C, target temperature is 41 DEG C, and low-temperature warning point is 33 DEG C, the first high temperature report
Alert point is 48 DEG C, and the second high temperature alarm point is 50 DEG C.
The beneficial effects of the present invention are: cooperating the laminar liquid of corresponding size to hold by the cavity shape of heating apparatus
Device realizes on the basis of not changing the fundamental length of original infusion apparatus, realizes uniform, controllable temperature formula heating, liquid is pacified
It is promptly warmed to comfort temperature entirely, helps to maintain patient temperature, prevents hypothermia to adverse effect caused by patient, and
Avoid heating temperature it is excessively high, it is too low or when it is high when it is low.
Heating apparatus uses the circuit design of heating power capable of automatic changing, can voluntarily adjust after reaching preset temperature
Heating power keeps target temperature, and the material of liquid container will not be made to melt or be precipitated chemical substance, heating dress because temperature is excessively high
Be equipped with auto-alarm function, so as to caused by because of power-off, misoperation or other reasons shut down etc. unexpected situations when and
When obtain warning make correspondence.Upper heating sheet is tightly attached on heat-conducting plate, and lower heating sheet is tightly attached on lower heat-conducting plate, in favor of equal
It is even that efficiently liquid is heated.Solid-state relay has input power small, high sensitivity, and control power is small, electromagnetic compatibility
Property good, the features such as noise is low and working frequency is high.Microcontroller has function abundant and Peripheral Interface, has saved external device
Part.
2.7 cun of OLED screens of display portion, temperature range is wide, and visible angle is greater than 160 °, and display font is big and clear,
Also there is good visual effect under not good enough illumination condition.The ac-dc conversion part of power circuit has global input voltage
The advantages that range, AC and DC, low-power consumption, high efficiency, high reliability, security isolation.It is arranged in two of line style opening
Outlet can be convenient user and liquid container be inserted into position, and be easily found impetus when taking out.The design of handle can be with
Allow user that selectively machine to be mounted on Medical rack bar or is directly placed in plane support, two ways is not
Influence using effect.Handle then can allow user more easily to move and put heating apparatus, mitigate the work of medical staff
Burden is also avoided that in mobile collide with etc. caused by machine breakdown.
In order to use heating apparatus more easily, and guarantee the safety in use process, increase detection circuit in place,
Whether the liquid container that can detecte insertion is inserted in place, so as to avoid because being subtracted using area is effectively heated caused by mistake
It is small, and in use such as fall off can prompt operator in time, avoid the case where failing using failure and heating.
Detailed description of the invention
Fig. 1 is three-dimensional side view of the present invention;
Fig. 2 is stereo rearview of the present invention;
Fig. 3 is main view of the present invention;
Fig. 4 is cross-sectional view of the present invention;
Fig. 5 is structure of the invention decomposition diagram;
Fig. 6 is the enlarged drawing of Fig. 5 structure A;
Fig. 7 is the sectional view of heat-conducting plate of the present invention;
Fig. 8 is temperature sensor location schematic diagram of the present invention;
Fig. 9 is optoelectronic switch position view of the present invention;
Figure 10 is usage state diagram of the invention;
Figure 11 is circuit connection block diagram of the invention;
Figure 12 is circuit diagram of the invention.
Specific embodiment
As shown in Fig. 1,5,8, the heating apparatus monitored in place for being transfused or rinsing, including it is upper casing 1, lower casing 2, aobvious
Display screen 3, power switch 4, master control borad 6, the master control borad 6 include microcontroller circuit, power circuit, heater circuit, display and
Warning circuit further includes upper heating sheet P10, lower heating sheet P11, heat-conducting plate 5, temperature sensor RT1, optoelectronic switch U6, solid-state
Relay Q5, the heat-conducting plate 5 divide for upper heat-conducting plate 5-1 and lower heat-conducting plate 5-2.
As shown in Fig. 3,6,7, there is a U-shaped groove in the lower surface of upper heat-conducting plate 5-1, is equipped at intervals in U-shaped groove opening
I 5-1-1 of rectangular recess and rectangular recess II 5-1-2, I 5-1-1 of rectangular recess and II 5-1-2 of rectangular recess are from U-shaped slot opening
It extends inward;Lower heat-conducting plate 5-2 is plate, and lower heat-conducting plate 5-2 and upper heat-conducting plate 5-1 are mutually fastened, the U of upper heat-conducting plate 5-1
Connected in star and lower heat-conducting plate 5-2 form the inner cavity 5-6 with line style opening 5-5, I 5-1-1 of rectangular recess and rectangular recess
II 5-1-2 forms inlet 5-3 and liquid outlet 5-4 with lower heat-conducting plate 5-2 respectively.
Temperature sensor RT1 is equipped on the upper heat-conducting plate 5-1 above liquid outlet 5-4 as shown in Fig. 4,8,9, upper thermally conductive
The end of plate 5-1 is equipped with optoelectronic switch U6, and lower heating sheet P11 is close to the lower surface of lower heat-conducting plate 5-2, and upper heating sheet P10 is close to
The upper surface of upper heat-conducting plate 5-1.
As shown in figure 8, the assembly of upper heating sheet P10, heat-conducting plate 5 and lower heating sheet P11 are fixed in lower casing 2, it is described
Display screen 3 is embedded on the inclined-plane of 1 front end of upper casing, and master control borad 6 and solid-state relay Q5 are embedded in 1 top of upper casing.
If Fig. 1,2 power switches 4 are located at the rear end of upper casing 1, the upper casing 1 and lower casing 2 are fastened togather.Display screen 3 makes
With 2.7 cun of OLED screens, visible angle is greater than 160 ° of upper heat-conducting plate 5-1, lower heat-conducting plate 5-2 by high-strength aluminum alloy material.Upper casing 1
Side be additionally provided with a fixed handle 7, fixed handle 7 is a clip.A handle 8 is additionally provided on the upper surface of upper casing 1.
As shown in Fig. 3,6,7, set on the inside of II 5-1-2 of I 5-1-1 of rectangular recess and rectangular recess on upper heat-conducting plate 5-1
There are two outlet groove I 5-1-3, set with outlet groove I 5-1-3 corresponding position that there are two take out on lower heat-conducting plate 5-2
Port recess II 5-2-1, outlet groove I 5-1-3 and outlet groove II 5-2-1 form two outlet 5-7, outlet 5-7
At line style opening 5-5.
As shown in figure 11, master control borad 6 further includes temperature measurement circuit standby warning circuit and detection circuit in place, the microcontroller
Device circuit respectively with temperature measurement circuit, standby warning circuit and in place detection circuit is connect, temperature measurement circuit, standby warning circuit difference
Connect with temperature sensor RT1, standby warning circuit is connect with heater circuit, heater circuit by solid-state relay Q5 respectively with
Upper heating sheet P10 is connected with lower heating sheet P11, power circuit respectively with display and warning circuit, heater circuit and microcontroller
Circuit connection.
As shown in figure 12, the specific connection of temperature measurement circuit are as follows: 2 feet of voltage regulator circuit U8,3 feet, 6 feet, 7 feet ground connection, pressure stabilizing
1 foot of circuit U 8 distinguishes the 8 of connecting resistance R24, temperature sensor RT1, capacitor C23, one end of capacitor C24 and voltage regulator circuit U8
Foot, one end another termination capacitor C32 of resistance R24 and 5V power supply, capacitor C32 other end ground connection, another termination of capacitor C23
Ground, the temperature sensor RT1 other end connect the other end of capacitor C24 and one end of capacitor C30, resistance R28 respectively, and resistance R28 is logical
It crosses resistance R34 and connects the capacitor C30 other end and ground.
As shown in figure 12, the specific connection of standby warning circuit are as follows: comparator U7 6,7 foot of foot and 12 feet ground connection, compare
The 1 foot connecting resistance R23 of device U7, the other end of resistance R23 meet 5V power supply, resistance R22 and the one end capacitor C33, comparator U7 respectively
2 feet difference the connecting resistance R22 other end and logic gates U3 2 feet, 3 feet of comparator U7 connect 5V power supply and capacitor respectively
One end of a terminating resistor R27 of one end of C26, resistance R31 and capacitor C29, a terminating resistor of resistance R30 and capacitor C28
One end of a terminating resistor R25 of one end of R26, resistance R29 and capacitor C27, the other end of resistance R27, resistance R26 and R25
Connect 1 foot of temperature measurement circuit voltage regulator circuit U8, capacitor C26, capacitor C27, capacitor C28, capacitor C29, resistance R29, resistance R30 and electricity
The other end of resistance R31 is grounded respectively, one end of the 13 feet difference connecting resistance R21 of comparator U7 and 3 feet of logic gates U3, than
One end of 14 feet difference connecting resistance R20 compared with device U7 and 5 feet, 8 feet and 9 feet of logic gates U3, resistance R20 and resistance R21
Another termination capacitor C34 one end and 5V power supply, the other end ground connection of capacitor C34 and capacitor C33, the 1 of logic gates U3
Foot connects 1 foot of logic gates U4, and 4 feet of logic gates U3 connect 2 feet of logic gates U4,10 feet of logic gates U3
8 feet and 9 feet of logic gates U3, the 7 feet ground connection of logic gates U3 are connect, 10 feet of logic gates U3 connect logic gates
9 feet of U4,11 and 12 feet of logic gates U3 connect 2 feet of power switch S2, and 3 feet of power switch S2 connect 5V power supply, and 1 foot connects
Ground, 13 feet of logic gates U3 connect 4 feet of logic gates U4, and 14 feet of logic gates U3 meet one end and the 5V of capacitor C5
Power supply, the other end ground connection of capacitor C5,3 feet of logic gates U4 connect the base stage of the triode Q1 of display and warning circuit, patrol
5 feet for collecting gate circuit U4 connect 30 feet of microcontroller circuit single-chip microcontroller U5, and 6 feet of logic gates U4 connect logic gates U4's
10 feet, the 7 feet ground connection of logic gates U4,8 feet, 12 feet, 13 feet of logic gates U4 connect heater circuit power switch respectively
1 foot of chip Q4,14 feet of logic gates U4 connect one end of 5V power supply and capacitor C6, the other end ground connection of capacitor C6 respectively.
As shown in figure 12, the specific connection of detection circuit in place are as follows: 3 feet of comparator U7D connect respectively current-limiting resistance R16,
The positive input of one end of resistance R17, a fixing end of adjustable resistance R33 and 5V voltage, comparator U7D terminates optoelectronic switch U6
Receiving end collector and resistance R17 the other end, the negative terminal of comparator U7D connects the adjustable end of adjustable resistance R33, comparator
12 feet of U7D, another fixing end of adjustable resistance R33, the receiving end emitter of optoelectronic switch U6 and the hair of optoelectronic switch U6
Pipe cathode ground connection is penetrated, the transmitting tube anode of optoelectronic switch U6 connects the other end of current-limiting resistance R16, the output termination of comparator U7D
15 feet of microcontroller circuit single-chip microcontroller U5.
Microcontroller U5 model are as follows: PIC24FJ128GC006;Voltage regulator circuit U8 model are as follows: TL431;Comparator U7 model
Are as follows: LM239;Logic gates U3 model are as follows: SN74HCT02;Logic gates U4 model are as follows: SN74HCT00;Comparator U7D
Model are as follows: LM239.
As shown in figs. 10-12, the application method of the heating apparatus for being transfused or rinsing: before use, operator is by liquid
Container 9 is inserted into the inner cavity 5-6 formed by upper heat-conducting plate 5-1 and lower heat-conducting plate 5-2 by line style opening 5-5, when liquid container 9
When being inserted into the inner cavity bottom 5-6, the end of liquid container 9 has just sheltered from optoelectronic switch U6, is reflected into optoelectronic switch U6 and connects
The light of receiving end becomes strong, causes the variation of output voltage, by comparator U7D compared with reference voltage, comparator U7D's is defeated
Outlet level changes, and microcontroller circuit detects level change, can know the information of liquid container 9 in place, micro-control
Device circuit processed controls display and one sound of warning circuit buzzer BUZ1 ring by output pin, while controlling the display of display screen 3
Then icon in place confirms that the entrance 9-1 of liquid container is placed in the 5-3 of liquid inlet, the outlet 9-2 of liquid container is placed in liquid
Body exports in 5-4, in use, turning on the power switch 4, heating apparatus starts, and the microcontroller on master control borad 6 passes through temperature measurement circuit
In temperature sensor RT1 measuring temperature, microcontroller control heater circuit, when temperature be less than target temperature when, microcontroller
Signal, the solid-state relay Q5 closure of heater circuit are transmitted to heater circuit, heating sheet is started to work, and microcontroller passes through PID
Algorithm calculates the power for needing to heat, then is converted into the duty ratio of heating sheet P10 and lower heating sheet P11 heating, passes through micro-control
The PWM module of device processed is output to solid-state relay Q5, and heating sheet P10 and lower heating sheet P11, upper heating sheet P10 are under in connection
Heating sheet P11 heats heat-conducting plate 5, and heat-conducting plate 5 heats liquid container 9;When temperature tends to target temperature, function is heated
Rate is lower and lower, after temperature reaches target temperature, liquid container 9 is made to keep target temperature, until infusion or flushing process knot
Beam, after use, operator takes out liquid container 9, and optoelectronic switch U6 is no longer blocked by 9 end of liquid container, is reflected into light
The light of the receiving end electric switch U6 dies down, and output voltage becomes numerical value when liquid container 9 is not inserted into again, thus comparator U7D
Output level also changes, so that the information that liquid container 9 removes is passed to microcontroller circuit, microcontroller circuit passband
Two sound of buzzer BUZ1 ring of output pin control display and warning circuit is crossed, while controlling the display dislocation icon of display screen 3,
The power supply of heating apparatus can be disconnected at this time.
The improper alarm of use process and protection mechanism: if liquid container 9 falls off accidentally can excite buzzer BUZ1 ring
Two sound and the display dislocation icon of display screen 3;If temperature is lower than low-temperature warning point or when being higher than the first high temperature alarm point, microcontroller
Control standby warning circuit sounds an alarm, and relative alarm information is shown on display screen 3;If temperature is higher than the second high temperature alarm
Point when, microcontroller directly controls anchor relay REL1, to solid-state relay Q5, upper heating sheet P10 and lower heating sheet P11 into
Row power down process;If microcontroller can not normal control power-off, standby warning circuit is also able to achieve the function of power-off and alarm, really
Protect safety when heating apparatus uses.
Heating apparatus is fixed on Medical rack bar before use, fixed handle 7 can also be first passed through.
When for transfusing blood or be infused, target temperature is 41 DEG C, and low-temperature warning point is 33 DEG C, and the first high temperature alarm point is 43
DEG C, when the second high temperature alarm point is used to rinse for 46 DEG C, target temperature is 41 DEG C, and low-temperature warning point is 33 DEG C, the first high temperature report
Alert point is 48 DEG C, and the second high temperature alarm point is 50 DEG C.
Claims (10)
1. the heating apparatus monitored in place for being transfused or rinsing, including upper casing (1), lower casing (2), display screen (3), power supply
It switchs (4), master control borad (6), the master control borad (6) includes microcontroller circuit, power circuit, heater circuit, display and alarm
Circuit, it is characterised in that: further include that upper heating sheet P10, lower heating sheet P11, heat-conducting plate (5), temperature sensor RT1, photoelectricity are opened
U6, solid-state relay Q5 are closed, the heat-conducting plate (5) is divided into heat-conducting plate (5-1) and lower heat-conducting plate (5-2), the upper heat-conducting plate
There is a U-shaped groove in the lower surface of (5-1), is equipped at intervals with rectangular recess I (5-1-1) and rectangular recess II in U-shaped groove opening
(5-1-2), rectangular recess I (5-1-1) and rectangular recess II (5-1-2) are extended inward from U-shaped slot opening;Lower heat-conducting plate
(5-2) is plate, and lower heat-conducting plate (5-2) and upper heat-conducting plate (5-1) mutually fasten, and upper heat-conducting plate (5-1) U-shaped groove is thermally conductive under
Plate (5-2) forms the inner cavity (5-6) with line style opening (5-5), II (5-1- of rectangular recess I (5-1-1) and rectangular recess
2) inlet (5-3) and liquid outlet (5-4) are formd with lower heat-conducting plate (5-2) respectively, it is upper thermally conductive above liquid outlet (5-4)
Plate (5-1) is equipped with temperature sensor RT1, is equipped with optoelectronic switch U6 in the end of upper heat-conducting plate (5-1), lower heating sheet P11 is tight
The lower surface of lower heat-conducting plate (5-2) is pasted, the upper surface of heat-conducting plate (5-1) in upper heating sheet P10 abutting is upper heating sheet P10, thermally conductive
The assembly of plate (5) and lower heating sheet P11 are fixed in lower casing (2), and the display screen (3) is embedded in the oblique of upper casing (1) front end
On face, master control borad (6) and solid-state relay Q5 are embedded at the top of upper casing (1), and power switch (4) is located at the rear end of upper casing (1), institute
It states upper casing (1) and lower casing (2) is fastened togather;The master control borad (6) further includes temperature measurement circuit, standby warning circuit and examines in place
Slowdown monitoring circuit, the microcontroller circuit respectively with temperature measurement circuit, standby warning circuit and in place detection circuit is connect, thermometric electricity
Road, standby warning circuit are connect with temperature sensor RT1 respectively, and standby warning circuit is connect with heater circuit, and heater circuit is logical
It crosses solid-state relay Q5 to connect with upper heating sheet P10 and lower heating sheet P11 respectively, power circuit is electric with display and alarm respectively
Road, heater circuit are connected with microcontroller circuit.
2. the heating apparatus according to claim 1 that monitor in place for being transfused or rinsing, it is characterised in that: described
The specific connection of temperature measurement circuit are as follows: 2 feet of voltage regulator circuit U8,3 feet, 6 feet, 7 feet ground connection, 1 foot of voltage regulator circuit U8 connect electricity respectively
Hinder 8 feet of R24, temperature sensor RT1, capacitor C23, one end of capacitor C24 and voltage regulator circuit U8, another termination of resistance R24
The one end capacitor C32 and 5V power supply, capacitor C32 other end ground connection, the other end ground connection of capacitor C23, the temperature sensor RT1 other end
Connect the other end of capacitor C24 and one end of capacitor C30, resistance R28 respectively, it is another that resistance R28 by resistance R34 meets capacitor C30
End and ground;The specific connection of the standby warning circuit are as follows: comparator U7 6,7 foot of foot and 12 feet ground connection, 1 foot of comparator U7
Connecting resistance R23, the other end of resistance R23 connect 5V power supply, resistance R22 and the one end capacitor C33, the 2 feet difference of comparator U7 respectively
2 feet of the connecting resistance R22 other end and logic gates U3,3 feet of comparator U7 connect one end of 5V power supply and capacitor C26 respectively,
One end of a terminating resistor R26 of one end of a terminating resistor R27 of resistance R31 and capacitor C29, resistance R30 and capacitor C28,
One end of a terminating resistor R25 of resistance R29 and capacitor C27, another termination temperature measurement circuit of resistance R27, resistance R26 and R25
1 foot of voltage regulator circuit U8, capacitor C26, capacitor C27, capacitor C28, capacitor C29, resistance R29, resistance R30 and resistance R31 it is another
One end is grounded respectively, one end of the 13 feet difference connecting resistance R21 of comparator U7 and 3 feet of logic gates U3, comparator U7's
14 feet distinguish one end of connecting resistance R20 and 5 feet, 8 feet and 9 feet of logic gates U3, the other end of resistance R20 and resistance R21
One end and the 5V power supply of capacitor C34, the other end ground connection of capacitor C34 and capacitor C33 are connect, 1 foot of logic gates U3 connects logic
1 foot of gate circuit U4,4 feet of logic gates U3 connect 2 feet of logic gates U4, and 10 feet of logic gates U3 connect logic gate
8 feet and 9 feet of circuit U 3, the 7 feet ground connection of logic gates U3,10 feet of logic gates U3 connect 9 feet of logic gates U4,
11 and 12 feet of logic gates U3 connect 2 feet of power switch S2, and 3 feet of power switch S2 connect 5V power supply, 1 foot ground connection, logic
13 feet of gate circuit U3 connect 4 feet of logic gates U4, and 14 feet of logic gates U3 connect one end and the 5V power supply of capacitor C5, electricity
Hold the other end ground connection of C5,3 feet of logic gates U4 connect the base stage of the triode Q1 of display and warning circuit, logic gates
5 feet of U4 connect 30 feet of microcontroller circuit single-chip microcontroller U5, and 6 feet of logic gates U4 connect 10 feet of logic gates U4, patrol
The 7 feet ground connection of gate circuit U4 is collected, 8 feet, 12 feet, 13 feet of logic gates U4 connect heater circuit power switch chip Q4's respectively
1 foot, 14 feet of logic gates U4 connect one end of 5V power supply and capacitor C6, the other end ground connection of capacitor C6 respectively;It is described in place
The specific connection of detection circuit are as follows: 3 feet of comparator U7D meet current-limiting resistance R16, one end of resistance R17, adjustable resistance respectively
A fixing end and 5V voltage of R33, the receiving end collector and resistance of the positive input termination optoelectronic switch U6 of comparator U7D
The other end of R17, the adjustable end of the negative input termination adjustable resistance R33 of comparator U7D, 12 feet, the adjustable resistance of comparator U7D
The transmitting tube cathode of another fixing end of R33, the receiving end emitter of optoelectronic switch U6 and optoelectronic switch U6 is grounded, and photoelectricity is opened
The transmitting tube anode for closing U6 connects the other end of current-limiting resistance R16, and the output of comparator U7D terminates microcontroller circuit single-chip microcontroller U5
15 feet;
Microcontroller U5 model are as follows: PIC24FJ128GC006;Voltage regulator circuit U8 model are as follows: TL431;Comparator U7 model are as follows:
LM239;Logic gates U3 model are as follows: SN74HCT02;Logic gates U4 model are as follows: SN74HCT00;Comparator U7D model
Are as follows: LM239.
3. the heating apparatus according to claim 1 that monitor in place for being transfused or rinsing, it is characterised in that: display
Shield (3) and use 2.7 cun of OLED screens, visible angle is greater than 160 °.
4. the heating apparatus according to claim 1 that monitor in place for being transfused or rinsing, it is characterised in that: above lead
Hot plate (5-1), lower heat-conducting plate (5-2) are high-strength aluminum alloy material.
5. the heating apparatus according to claim 1 that monitor in place for being transfused or rinsing, it is characterised in that: described
The side of upper casing (1) is additionally provided with a fixed handle (7), and the fixed handle (7) is a clip.
6. the heating apparatus according to claim 1 that monitor in place for being transfused or rinsing, it is characterised in that: described
A handle (8) is additionally provided on the upper surface of upper casing (1).
7. the heating apparatus according to claim 1 that monitor in place for being transfused or rinsing, it is characterised in that: described
Outlet groove I there are two being set on the inside of rectangular recess I (5-1-1) and rectangular recess II (5-1-2) on upper heat-conducting plate (5-1)
(5-1-3), sets on lower heat-conducting plate (5-2) with outlet groove I (5-1-3) corresponding position that there are two outlet groove II (5-
2-1), outlet groove I (5-1-3) and outlet groove II (5-2-1) form two outlets (5-7).
8. using the application method of the heating apparatus described in claim 1 for being transfused or rinsing, which is characterized in that use
Before, operator is formed liquid container (9) by line style opening (5-5) insertion by upper heat-conducting plate (5-1) and lower heat-conducting plate (5-2)
Inner cavity (5-6) in, when liquid container (9) is inserted into the bottom inner cavity (5-6), the end of liquid container (9) is just sheltered from
Optoelectronic switch U6, the light for being reflected into optoelectronic switch U6 receiving end become strong, cause the variation of output voltage, by comparator
U7D is compared with reference voltage, and the output end level of comparator U7D changes, and microcontroller circuit detects level change,
It can know the information of liquid container (9) in place, microcontroller circuit controls display and warning circuit buzzing by output pin
One sound of device BUZ1 ring, while controlling display screen (3) and being shown to bitmap mark, then, operator confirms the entrance (9- of liquid container
1) it is placed in liquid inlet (5-3), the outlet (9-2) of liquid container is placed in liquid outlet (5-4), in use, opening power supply
It switchs (4), heating apparatus starting, the microcontroller on master control borad (6) measures temperature by the temperature sensor RT1 in temperature measurement circuit
Degree, microcontroller control heater circuit, and when temperature is less than target temperature, microcontroller transmits signal, heating to heater circuit
The solid-state relay Q5 of circuit is closed, and heating sheet is started to work, and microcontroller calculates the power for needing to heat by pid algorithm,
It is converted into the duty ratio of heating sheet P10 and lower heating sheet P11 heating again, solid-state is output to by the PWM module of microcontroller
Relay Q5, heating sheet P10 and lower heating sheet P11, upper heating sheet P10 and lower heating sheet P11 carry out heat-conducting plate (5) in connection
Heating, heat-conducting plate (5) heat liquid container (9);When temperature tends to target temperature, heating power is lower and lower, works as temperature
After reaching target temperature, liquid container (9) is made to keep target temperature, until infusion or flushing process terminate, after use, behaviour
Author takes out liquid container (9), and optoelectronic switch U6 is no longer blocked by liquid container (9) end, is reflected into optoelectronic switch U6 reception
The light at end dies down, and output voltage becomes numerical value when liquid container (9) is not inserted into again, thus the output level of comparator U7D
It changes, so that the information that liquid container (9) remove is passed to microcontroller circuit, microcontroller energization passes by output and draws
Two sound of buzzer BUZ1 ring of the display of foot control system and warning circuit, while display screen (3) display dislocation icon is controlled, break at this time
Open the power supply of heating apparatus;The improper alarm of use process and protection mechanism: if liquid container (9) falls off accidentally can excite buzzing
Two sound of device BUZ1 ring and display screen (3) display dislocation icon;If temperature is lower than low-temperature warning point or is higher than the first high temperature alarm
When point, microcontroller control standby warning circuit is sounded an alarm, and shows relative alarm information on display screen (3);If temperature
When higher than the second high temperature alarm point, microcontroller directly controls anchor relay REL1, to solid-state relay Q5, upper heating sheet
P10 and lower heating sheet P11 carries out power down process;If microcontroller can not normal control power-off, standby warning circuit is also able to achieve
The function of power-off and alarm, it is ensured that safety when heating apparatus uses.
9. the application method of the heating apparatus according to claim 8 for being transfused or rinsing, it is characterised in that: use
Before, it first passes through fixed handle (7) and heating apparatus is fixed on Medical rack bar (10).
10. the application method of the heating apparatus according to claim 8 for being transfused or rinsing, it is characterised in that: be used for
When blood transfusion, target temperature is 41 DEG C, and low-temperature warning point is 33 DEG C, and the first high temperature alarm point is 43 DEG C, and the second high temperature alarm point is
46℃;When for being infused, target temperature is 41 DEG C, and low-temperature warning point is 33 DEG C, and the first high temperature alarm point is 43 DEG C, the second high temperature
Alarm point is 46 DEG C;When for rinsing, target temperature is 41 DEG C, and low-temperature warning point is 33 DEG C, and the first high temperature alarm point is 48 DEG C,
Second high temperature alarm point is 50 DEG C.
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CN110672219A (en) * | 2019-09-30 | 2020-01-10 | 凯德仪表(深圳)有限公司 | High-precision industrial digital display thermometer |
CN115308324A (en) * | 2022-07-28 | 2022-11-08 | 天津国科医工科技发展有限公司 | Transmission line and device for combined use of gas chromatograph and mass spectrometer, temperature control transmission line and method |
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