CN107349496A - A kind of linear intelligent intravenous transfusion warmer - Google Patents
A kind of linear intelligent intravenous transfusion warmer Download PDFInfo
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- CN107349496A CN107349496A CN201710607304.8A CN201710607304A CN107349496A CN 107349496 A CN107349496 A CN 107349496A CN 201710607304 A CN201710607304 A CN 201710607304A CN 107349496 A CN107349496 A CN 107349496A
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- circuit
- warmer
- temperature
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- heating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of linear intelligent intravenous transfusion warmer, including governor circuit, warmer and power supply voltage converting circuit, the governor circuit is connected to heating control circuit, temperature sensing circuit, warning circuit and display circuit, the heating control circuit is connected with warmer, and the power supply voltage converting circuit is connected with governor circuit and warmer respectively；The governor circuit is used to the temperature detected by temperature sensing circuit is calculated and judged, corresponding control process is carried out according to judged result.The present invention warmer have the advantages that it is simple in construction, be easily achieved, low cost, fault detect, be advantageous to the whole nation promote and use.The present invention can be widely applied in transfusion field as a kind of linear intelligent intravenous transfusion warmer.
Description
Technical field
The present invention relates to warming-up device, more particularly to a kind of linear intelligent intravenous transfusion warmer.
Background technology
Venous transfusion is a kind of common administering mode in treatment clinical course.During venous transfusion, when decoction temperature
Local pain, limbs can be caused to send out cool when spending low, a series of adverse reactions such as whole body chilly, idiospasm, post-operation inflammatory.Cause
This then needs design intravenous transfusion warmer to occur to eliminate patient because fluid temperature is too low to improve transfusion fluid temperature
The latency of transfusion adverse reaction.
At present, lifted fluid temperature mode be broadly divided into directly heat lifting medicine bag (medicine bottle) temperature, heating transfusion pipe
Road, heating site of puncture regional area these three forms.Wherein, first way is because apart from human body, farther out, heat easily scatters and disappears,
Reduced into temperature during human body, effect is not ideal, and the third mode heating effect is best, but exists and get an electric shock and scald wind
Danger, and power line drawing easily influences patient motion, application is also undesirable.Comparatively, the heating transfusion pipe of the second way
Road is more satisfactory, and its heating location can be nearer apart from site of puncture, heat scatter and disappear it is limited, and non-contact electric and scald risk, application
At most.According to the difference of infusion pipeline mounting means, the infusion warmer of heating transfusion pipeline can be divided into spiral and linear
Two kinds, spirally woven hose is wrapped on heater block, heat transfer efficiency is high, and fluid temperature is low, suitable for blood transfusion and to temperature
Sensitive medicine；Linear that woven hose is embedded in inside heater block, heat transfer efficiency is slightly lower, and fluid temperature is slightly higher, by flute profile
Structure fixes infusion pipeline, easy to operate simple, suitable for most of transfusion conditions.But more commonly use at present linear quiet
The structure of arteries and veins infusion warmer is complex, and operation ease is low, and fails to realize that fuser malfunction is alarmed, accordingly, it is difficult to
Realize promoting the use of for the whole nation.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to provide a kind of linear intelligent vein simple in construction is defeated
Liquid warmer.
The technical solution adopted in the present invention is：A kind of linear intelligent intravenous transfusion warmer, including governor circuit plus
Warm device and power supply voltage converting circuit, the governor circuit are connected to heating control circuit, temperature sensing circuit, alarm
Circuit and display circuit, the heating control circuit are connected with warmer, the power supply voltage converting circuit respectively with master control
Circuit connects with warmer；The governor circuit is used to the temperature detected by temperature sensing circuit is calculated and judged,
Corresponding control process is carried out according to judged result.
Further, described the step for carrying out corresponding control process according to judged result, it comprises the following steps：
When judging that the temperature detected by temperature sensing circuit is less than the minimum warm temperature of setting, governor circuit hair
Go out control signal to heating control circuit, so as to make warmer open heating work, then controlled by pulse width modulation mode
Heating frequency and amplitude；
When judging that the temperature detected by temperature sensing circuit is more than the highest warm temperature of setting, governor circuit hair
Go out control signal to heating control circuit, so as to make warmer not work；
When judging that the temperature detected by temperature sensing circuit is more than the alarm temperature of setting, governor circuit sends control
Signal processed so as to make warmer not work, and controls warning circuit to send alarm sounds to heating control circuit；
Wherein, the numerical value of the alarm temperature is more than the numerical value of highest warm temperature.
Further, the temperature sensing circuit includes two thermistors.
Further, described the step for carrying out corresponding control process according to judged result, its is further comprising the steps of：
When judging that the temperature detected by two thermistors exceedes the alarm temperature of setting, and two thermistors
When difference between detected temperature is in the range of default value, then it represents that fuser malfunction occurs, governor circuit sends control
Signal processed so as to make warmer not work, and controls warning circuit to send alarm sounds to heating control circuit.
Further, the warmer include section be major arc shape silica gel heating sheet, the silica gel heating sheet it is relative two
There is space, the space forms woven hose and picks and places mouth between end；The heating control circuit is connected with silica gel heating sheet.
Further, the woven hose picks and places mouth and picks and places mouth for woven hose of the width less than transfusion pipe diameter.
Further, in addition to fixed component, the fixed component are described defeated provided with the groove for being used to place silica gel heating sheet
It is identical with the direction of the opening of groove that liquid pipe picks and places mouth.
Further, the heating control circuit includes first resistor, second resistance, metal-oxide-semiconductor field effect transistor and fuse；It is described
One end of fuse is connected with warmer, and the drain electrode of the other end and metal-oxide-semiconductor field effect transistor of the fuse connects；The MOS fields
The grid of effect pipe is connected with one end of second resistance and one end of first resistor respectively, the other end of the first resistor and master
Control circuit connection, the other end of the second resistance and the source grounding of metal-oxide-semiconductor field effect transistor.
Further, the warning circuit includes luminous alarm circuit and/or audible alarm circuit.
Further, the luminous alarm circuit includes the 5th resistance, the first triode, the 4th resistance and light-emitting diodes
Pipe, one end of the 5th resistance are connected with governor circuit, and the other end of the 5th resistance and the base stage of the first triode connect
Connect, the emitter stage of first triode connects supply voltage, and the colelctor electrode of first triode and one end of the 4th resistance connect
Connect, the other end of the 4th resistance and the positive pole of light emitting diode connect, the negative pole ground connection of the light emitting diode.
Further, the light emitting diode is dichromatic LED, the other end and dual color light emitting of the 4th resistance
The first positive pole connection of diode, the second positive pole of the dichromatic LED are connected with heating control circuit.
Further, the audible alarm circuit includes the 6th resistance, the second triode and buzzer, the 6th resistance
One end be connected with governor circuit, the other end of the 6th resistance is connected with the base stage of the second triode, the two or three pole
The emitter stage of pipe connects supply voltage, and the colelctor electrode of second triode is connected with buzzer.
Further, in addition to shell, the display circuit are arranged on the upper surface of shell, and the lower surface of the shell is provided with
The passage that mouth connects is picked and placeed with woven hose.
The beneficial effects of the invention are as follows：The warmer of the present invention includes governor circuit, warmer and supply voltage conversion
Circuit, and the governor circuit is connected to heating control circuit, temperature sensing circuit, warning circuit and display electricity
Road, the heating control circuit are connected with warmer, and the power supply voltage converting circuit connects with governor circuit and warmer respectively
Connect；The governor circuit is used to the temperature detected by temperature sensing circuit is calculated and judged, is entered according to judged result
The corresponding control process of row.It can be seen that warmer of the invention have it is simple in construction, be easily achieved, low cost, operation ease
The advantages that high, small volume is easy to carry.In addition, the warmer of the present invention employs the silica gel heating sheet of major arc shape, and infuse
Pipe picks and places diameter of the width less than woven hose of mouth, so then directly can pick and place mouth by woven hose and woven hose fixed placement exists
In heating plate, without the setting of extra fixing device, further make that structure is more simple, is easily achieved.Further, energy of the present invention
Enough detect fuser malfunction and send corresponding alarm sounds, the security, reliable of warmer of the present invention work can be greatly improved
Property and stability.
Brief description of the drawings
Fig. 1 is a kind of circuit principle structure block diagram of linear intelligent intravenous transfusion warmer of the present invention；
Fig. 2 is an a kind of specific embodiment structural representation of linear intelligent intravenous transfusion warmer of the present invention；
Fig. 3 is heating control circuit and luminous alarm circuit in a kind of linear intelligent intravenous transfusion warmer of the present invention
One specific embodiment electric circuit construction schematic diagram；
Fig. 4 is the specific embodiment electricity of audible alarm circuit in a kind of linear intelligent intravenous transfusion warmer of the present invention
Sub-circuit structural representation；
Fig. 5 is a specific embodiment structural section of warmer in a kind of linear intelligent intravenous transfusion warmer of the present invention
Schematic diagram；
Fig. 6 is the concrete structure schematic diagram of fixed component in Fig. 5；
Fig. 7 is the concrete structure schematic diagram of heating plate in Fig. 5；
Fig. 8 is the concrete structure schematic diagram that woven hose picks and places mouth in Fig. 5；
Fig. 9 is a kind of heating control flow chart of linear intelligent intravenous transfusion warmer of the present invention.
1st, upper shell；2nd, viewing area；3rd, USB power supply interfaces；4th, groove；5th, lower house；6th, seven segment digital tubes；7th, it is red green
Dichromatic LED；8th, power supply indicator；9th, silica gel heating sheet；10th, woven hose；11st, woven hose picks and places mouth；12nd, fixed part
Part.
Embodiment
As shown in figure 1, a kind of linear intelligent intravenous transfusion warmer, including governor circuit, warmer and power supply electricity
Voltage conversion circuit, the governor circuit are connected to heating control circuit, temperature sensing circuit, warning circuit and display electricity
Road, the heating control circuit are connected with warmer, and the power supply voltage converting circuit connects with governor circuit and warmer respectively
Connect；The governor circuit is used to the temperature detected by temperature sensing circuit is calculated and judged, is entered according to judged result
The corresponding control process of row.
For above-mentioned warmer, its operation principle is：Temperature sensing circuit sends the woven hose temperature detected to master
Circuit is controlled, the governor circuit, so as to accordingly control heating control circuit, makes warmer according to the temperature data received
Unlatching/disconnection work, and temperature data is sent to display circuit and shown；In addition, when governor circuit judges temperature
During data fit alert if, then heating control circuit is controlled to make warmer be stopped, and control warning circuit to carry out
Alarm.It can be seen that warmer of the invention have it is simple in construction, be easily achieved, low cost, small volume be easy to carry, failure
The advantages that alarm.
Be further used as the preferred embodiment of the present embodiment, it is described according to judged result carry out corresponding control process this
One step, it comprises the following steps：
When judging that the temperature detected by temperature sensing circuit is less than the minimum warm temperature of setting, governor circuit hair
Go out control signal to heating control circuit, so as to make warmer open heating work, then controlled by pulse width modulation mode
Heating frequency and amplitude；
When judging that the temperature detected by temperature sensing circuit is more than the highest warm temperature of setting, governor circuit hair
Go out control signal to heating control circuit, so as to make warmer not work；
When judging that the temperature detected by temperature sensing circuit is more than the alarm temperature of setting, governor circuit sends control
Signal processed so as to make warmer not work, and controls warning circuit to send alarm sounds to heating control circuit；
Wherein, the numerical value of the alarm temperature is more than the numerical value of highest warm temperature.
The preferred embodiment of the present embodiment is further used as, the temperature sensing circuit includes two thermistors.
Be further used as the preferred embodiment of the present embodiment, it is described according to judged result carry out corresponding control process this
One step, its is further comprising the steps of：
When judging that the temperature detected by two thermistors exceedes the alarm temperature of setting, and two thermistors
When difference between detected temperature is in the range of default value, then it represents that fuser malfunction occurs, governor circuit sends control
Signal processed so as to make warmer not work, and controls warning circuit to send alarm sounds to heating control circuit.
The preferred embodiment of the present embodiment is further used as, the warmer includes the silica gel heating that section is major arc shape
Piece, has space between the relative both ends of the silica gel heating sheet, and the space forms woven hose and picks and places mouth；The computer heating control electricity
Road is connected with silica gel heating sheet.
The preferred embodiment of the present embodiment is further used as, the woven hose picks and places mouth and is less than transfusion pipe diameter for width
Woven hose pick and place mouth.
The preferred embodiment of the present embodiment, in addition to fixed component are further used as, the fixed component, which is provided with, to be used for
The groove of silica gel heating sheet is placed, it is identical with the direction of the opening of groove that the woven hose picks and places mouth.
The preferred embodiment of the present embodiment is further used as, the heating control circuit includes first resistor, the second electricity
Resistance, metal-oxide-semiconductor field effect transistor and fuse；One end of the fuse is connected with warmer, the other end and the MOS fields of the fuse
The drain electrode connection of effect pipe；The grid of the metal-oxide-semiconductor field effect transistor connects with one end of second resistance and one end of first resistor respectively
Connect, the other end of the first resistor is connected with governor circuit, the other end of the second resistance and the source electrode of metal-oxide-semiconductor field effect transistor
It is grounded.
The preferred embodiment of the present embodiment is further used as, the warning circuit includes luminous alarm circuit and/or sound
Sound warning circuit.
The preferred embodiment of the present embodiment is further used as, the luminous alarm circuit includes the 5th resistance, the one or three
Pole pipe, the 4th resistance and light emitting diode, one end of the 5th resistance are connected with governor circuit, the 5th resistance it is another
One end is connected with the base stage of the first triode, and the emitter stage of first triode connects supply voltage, first triode
Colelctor electrode is connected with one end of the 4th resistance, and the other end of the 4th resistance and the positive pole of light emitting diode connect, the hair
The negative pole ground connection of optical diode.
The preferred embodiment of the present embodiment is further used as, the light emitting diode is dichromatic LED, described
First positive pole of the other end of the 4th resistance and dichromatic LED connects, the second positive pole of the dichromatic LED with
Heating control circuit connects.
The preferred embodiment of the present embodiment is further used as, the audible alarm circuit includes the 6th resistance, the two or three
Pole pipe and buzzer, one end of the 6th resistance are connected with governor circuit, the other end and the two or three of the 6th resistance
The base stage connection of pole pipe, the emitter stage of second triode connect supply voltage, the colelctor electrode of second triode and buzzing
Device connects.
The preferred embodiment of the present embodiment, in addition to shell are further used as, the display circuit is arranged on shell
Upper surface, the lower surface of the shell are provided with the passage for picking and placeing mouth with woven hose and connecting.
A particular preferred embodiment of the invention
As shown in Fig. 2 to Fig. 8, a kind of linear intelligent intravenous transfusion warmer is included outside the plastics with USB power supply interfaces
Shell, intelligence heating control circuit and warmer this three parts.
The three parts included for linear intelligent intravenous transfusion warmer, it is described in detail below shown.
(1), intelligence heating control circuit
The intelligence heating control circuit includes governor circuit, power supply voltage converting circuit, heating control circuit, temperature inspection
Slowdown monitoring circuit, warning circuit and display circuit, the governor circuit respectively with heating control circuit, temperature sensing circuit, alarm
Circuit and display circuit connection, the heating control circuit is connected with warmer, the power supply voltage converting circuit respectively with
Governor circuit connects with warmer, for both power supplies.The warning circuit is preferably sound light alarming circuit, including luminous alarm electricity
Road and/or audible alarm circuit.
For power supply voltage converting circuit, it is used to passing through the 12V DC power supply of power supply adaptor output different steady
Chip voltage is pressed as after different DC voltages, respectively governor circuit and warmer are powered.Specifically, the supply voltage turns
Changing circuit includes the first voltage stabilizing chip L7805 and the second voltage stabilizing chip L7809, and the first voltage stabilizing chip L7805 is used for electricity
The 12V DC power supply of source adapter output exports DC voltage 5V after being depressured, and is powered for governor circuit, second voltage stabilizing
Chip L7809 is used to export DC voltage 9V after the 12V DC power supply of power supply adaptor output is depressured, and is supplied for warmer
Electricity.
For governor circuit, it includes microprocessor, and is used for using STC12C5608AD single-chip microcomputers as microprocessor
Receive the feedback information of each functional module and control is driven to corresponding functional module.Preferably, the governor circuit tool
Body calculates and sent corresponding control signal for the temperature detected according to temperature sensing circuit, passes through pulse width modulation mode
The heating frequency and amplitude of heating control circuit are controlled, to realize temperature controlled accuracy, ensures the decoction of the transfusion port of export
Temperature stabilization is at tolerance band (35 DEG C -36 DEG C), while also control driving sound light alarming circuit and display circuit.
For temperature sensing circuit, it includes 2 thermistor MF58 (50K), when being heated for woven hose, 2 temperature-sensitives
Resistance is separately positioned on the detection that trip temperature is entered in the relative both sides of woven hose, converts heat to the electric signal (temperature detected
Spend signal), the temperature signal detected is then fed back into governor circuit and is calculated and compared, wherein, the maximum that will be received
The maximum temperature signal of temperature, i.e. numerical value, as heating detection temperature, two temperatures value (temperature that 2 thermistors are fed back
It is worth for woven hose temperature value), when the temperature difference of both of which more than alarm preset temperature and between the two is (default within the specific limits
In number range) when, it can determine whether as fuser malfunctions such as transfusion obstruction/blank pipe heating.
For heating control circuit, it includes high-power MOS FET AOD4148 and resistance, heating control circuit
The control signal sent according to governor circuit carries out on or off, with control warmer turn on or off realize whether plus
Heat.
For sound light alarming circuit, include luminous alarm circuit and sound warning circuit.
For heating control circuit and luminous alarm circuit, as shown in figure 3, the heating control circuit includes first resistor
R1, second resistance R2, metal-oxide-semiconductor field effect transistor Q1 and fuse F1；One end of the fuse F1 is connected with warmer H1, the guarantor
The dangerous silk F1 other end is connected with metal-oxide-semiconductor field effect transistor Q1 drain electrode；The grid of the metal-oxide-semiconductor field effect transistor Q1 respectively with second resistance
R2 one end connects with first resistor R1 one end, the other end of the first resistor R1, i.e. P1 ends, is connected with governor circuit,
The other end of the second resistance R2 and metal-oxide-semiconductor field effect transistor Q1 source grounding；
The luminous alarm circuit includes the 5th resistance R5, the first triode Q2, the 4th resistance R4 and light emitting diode,
One end of the 5th resistance R5, i.e. P2 ends, are connected with governor circuit, the other end and the first triode of the 5th resistance R5
Q2 base stage connection, the emitter stage of the first triode Q1 connect supply voltage (+5V direct current power source voltages), the one or three pole
Pipe Q2 colelctor electrode is connected with the 4th resistance R4 one end, and the other end of the 4th resistance R4 and the positive pole of light emitting diode connect
Connect, the negative pole ground connection of the light emitting diode.
Preferably, the light emitting diode is dichromatic LED D1, the other end of the 4th resistance R4 with it is double-colored
Light emitting diode D1 the first positive pole connection, the second positive pole of the dichromatic LED D1 are connected with heating control circuit；
Specifically, now the heating control circuit also includes 3rd resistor R3, the 3rd resistor R3 one end and first resistor R1
One end connection, the other end of the 3rd resistor R3 is connected with dichromatic LED D1 the second positive pole, can so pass through
The light for the different colours that dichromatic LED D1 is sent judges that now state is heated as warmer H1, or is height
Temperature alarm.As can be seen here, by using the heating control circuit of this embodiment and the specific electronic circuit knot of luminous alarm circuit
Structure, the beneficial effects such as structure is more simple, be easily achieved, cost is low can be reached.Wherein, the dichromatic LED D1 is red
Green dichromatic LED 7.
For audible alarm circuit, as shown in figure 4, it includes the 6th resistance R6, the second triode Q3 and buzzer LS,
One end of the 6th resistance R6, i.e. P3 ends, are connected with governor circuit, the other end and the second triode of the 6th resistance R6
Q2 base stage connection, the emitter stage of the second triode Q2 connect supply voltage (+5V direct current power source voltages), the two or three pole
Pipe Q2 colelctor electrode is connected with buzzer LS.
For above-mentioned heating control circuit and warning circuit, as shown in figure 9, its specific control flow is：Work as governor circuit
(i.e. microprocessor) judges minimum warm temperature (35 DEG C) of the woven hose temperature value detected by thermistor less than setting
When, governor circuit sends thermal control signals to P1 ends, so as to control metal-oxide-semiconductor field effect transistor Q1 to turn on, to make warmer H1 be powered
Work, heating is opened, meanwhile, dichromatic LED D1 lights green；When governor circuit judges that thermistor is examined
When the woven hose temperature value measured is higher than highest warm temperature (36 DEG C) set, governor circuit sends thermal control signals to P1
End, so as to control metal-oxide-semiconductor field effect transistor Q1 to end, to make warmer H1 power-off not work, stop heating, meanwhile, governor circuit hair
Go out low level signal to P2 ends, control dichromatic LED D1 to light red light；When governor circuit judges thermistor
When detected woven hose temperature value is higher than alarm temperature (38 DEG C) set, governor circuit sends thermal control signals again
To P1 ends, the Q1 cut-offs of control metal-oxide-semiconductor field effect transistor, make warmer H1 power-off not work, stop heating, now, governor circuit is also sent out
Go out low level signal to P2 ends and P3 ends, make dichromatic LED D1 light red light and make buzzer LS work send
Sound, i.e., now, buzzer LS also sends sound while dichromatic LED D1 lights red light, with red light and sound
Sound and light alarm is carried out, prompts related personnel to be handled.
Further, when governor circuit judges that the woven hose temperature value detected by two thermistors is above the alarm of setting
Temperature (38 DEG C), and the difference between two woven hose temperature values is within the specific limits (0.5 DEG C), then can determine that as " blank pipe adds
The failure such as heat ", " heating of transfusion obstruction ", now, governor circuit sends thermal control signals to P1 ends, control MOS fields effect again
Should pipe Q1 cut-offs, make warmer H1 power-off not work, stop heating, while sound and light alarm is carried out with red light and sound, prompt phase
Pass personnel are handled.
Detected for display circuit, including 3 seven segment digital tubes 6 and power supply indicator 8, the charactron for display
Woven hose temperature value, precision be 0.1 DEG C；The power supply indicator 8 is single red LED lamp, itself and power supply voltage converting circuit
It is connected, for indicating power work state, lamp is bright when normal, conversely, then lamp goes out.The power supply indicator 8 and dual color light emitting two
Pole pipe D1 is separately mounted to the both sides of charactron, is less than 30mm with the distance of charactron.
(2), warmer
The warmer includes being rolled into notched columnar silica gel heating sheet 9 and for fixed placement silica gel heating
The groove 4 of piece 9, that is to say, that as viewed in figures 5-8, the warmer includes the silica gel heating sheet 9 that section is major arc shape, institute
Stating between the relative both ends of silica gel heating sheet 9 has space, and the space forms woven hose and picks and places mouth 11 (breach described in i.e.), defeated
Liquid pipe 10 picks and places mouth 11 by woven hose and is placed in the space that silica gel heating sheet 9 is formed, and now silica gel heating sheet 9 can big model
Exclosure wraps up woven hose 10, and the efficiency of heating surface is higher, and constant temperature effect is more preferable；The heating control circuit is connected with silica gel heating sheet 9.
Further, the groove 4 is arranged in fixed component 12, and the direction that opening and the woven hose of groove 4 pick and place mouth 11 is identical.
Preferably, the woven hose picks and places diameter of the width less than woven hose 10 of mouth 11, can so utilize woven hose 10
The elasticity of itself, its fixed placement is made in the space that heating plate is formed, without being dropped out from breach.Specifically, it is described defeated
The width that liquid pipe picks and places mouth 11 is about 2mm, and length is 100~180mm.
(3), shell
The shell is the plastic casing with duplicate supply mouth, and it uses conventional nonpoisonous and tasteless plastics and is made, plate shaped knot
Structure, thickness are about 1mm, and being divided to upper and lower two pieces, (i.e. described shell includes upper shell 1 and lower house 5, and upper shell 1 and lower house 5 cover
After obtain shell)；The upper surface (i.e. the upper surface of upper shell 1) of the shell is provided with viewing area 2, seven sections in display circuit
Charactron 6, power supply indicator 8 and red and green color light emitting diode 7 are arranged in viewing area 2, the upper surface of the shell
USB window is additionally provided with, USB power supply interfaces 3 are installed in the USB window；Lower surface (the i.e. lower casing of the shell
The lower surface of body 5) passage as insertion woven hose 10 for picking and placeing mouth 11 with woven hose and connecting is provided with, the passage is one
Width about 2.6mm slit, its length is longer 4mm or so than the length of heating plate, and the both ends of passage are equipped with using 5mm as the length of side
30 ° of chamferings, remainder are wide.In addition, USB power supply interfaces 3 and thermistor are separately positioned near the opposite end of passage
Place, so can arbitrarily connect according to woven hose installation direction and the actual position of patient, be not in wrong assembling when in use.
Preferably, the USB power supply interfaces can be replaced by the power supply interface of round mouth.I.e. duplicate supply mouth can be powered by USB
The power supply interface of interface and/or round mouth is realized.
It is as follows for above-mentioned linear intelligent intravenous transfusion warmer, its operating method：
S1, by one section of woven hose 10 is embedded in intelligent intravenous transfusion warmer bottom and filled (at distance 50cm) near site of puncture
Have in the groove 4 of heating plate；
S2, the power supply for opening intravenous transfusion warmer, when infusion warmer is intelligently heating, reach setting most in decoction
Disconnect during high-temperature, automatically turned on when being preferably minimized design temperature automatically, realize intelligence heating, and as expected setting lifting and
Control fluid temperature constant in tolerance band.During, if there is transfusion obstruction heating, or there is blank pipe after completion transfusion and add
The fuser malfunctions such as heat, sound light alarming circuit is opened more than when setting alarm temperature, notifies related personnel to handle.
From above-mentioned, warmer of the invention have the advantages that it is simple in construction, be easily achieved, be inexpensive.In addition, this hair
Bright warmer utilizes infrared emanation principle, is suitably conducted heat every sky, woven hose and the decoction temperature difference can be reduced, using pulsewidth modulation
Mode controls metal-oxide-semiconductor field effect transistor break-make, and to control heating frequency and amplitude, realizing that temperature accurately controls, guarantee is infused out
Mouthful end temperature is constant in tolerance band, and constant temperature effect is preferable, provided with safety protective circuit, when linear intelligent venous transfusion heating
Feux rouges warns when device heating-up temperature exceedes highest setting temperature, when blank pipe heating/transfusion obstruction or transfusion failure cause two temperature-sensitives
Temperature detected by resistance exceedes alarm temperature, and both differences within the specific limits when, red light warning and with buzzer
Ring sound alarm, to inform related personnel's timely processing, realize the security reliability of transfusion, collect it is intelligent, portable with hommization in
One, facilitates easy-to-use, can provide one kind portable reliably fluid temperature hoisting way for low temperature environment venous transfusion, suitable for each
Class low temperature transfusion place, improves injection quality, lowers medical worker's workload.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
- A kind of 1. linear intelligent intravenous transfusion warmer, it is characterised in that：Including governor circuit, warmer and supply voltage Change-over circuit, the governor circuit are connected to heating control circuit, temperature sensing circuit, warning circuit and display electricity Road, the heating control circuit are connected with warmer, and the power supply voltage converting circuit connects with governor circuit and warmer respectively Connect；The governor circuit is used to the temperature detected by temperature sensing circuit is calculated and judged, is entered according to judged result The corresponding control process of row.
- A kind of 2. linear intelligent intravenous transfusion warmer according to claim 1, it is characterised in that：It is described to be tied according to judgement Fruit carries out the step for corresponding control process, and it comprises the following steps：When judging that the temperature detected by temperature sensing circuit is less than the minimum warm temperature of setting, governor circuit sends control Signal processed, so as to make warmer open heating work, then controls heating to heating control circuit by pulse width modulation mode Frequency and amplitude；When judging that the temperature detected by temperature sensing circuit is more than the highest warm temperature of setting, governor circuit sends control Signal processed is to heating control circuit, so as to make warmer not work；When judging that the temperature detected by temperature sensing circuit is more than the alarm temperature of setting, governor circuit sends control letter Number to heating control circuit, so as to make warmer not work, and warning circuit is controlled to send alarm sounds；Wherein, the numerical value of the alarm temperature is more than the numerical value of highest warm temperature.
- 3. the linear intelligent intravenous transfusion warmer of one kind according to claim 1 or claim 2, it is characterised in that：The temperature inspection Slowdown monitoring circuit includes two thermistors.
- A kind of 4. linear intelligent intravenous transfusion warmer according to claim 3, it is characterised in that：It is described to be tied according to judgement Fruit carries out the step for corresponding control process, and its is further comprising the steps of：When judging that the temperature detected by two thermistors exceedes the alarm temperature of setting, and two thermistors are examined When difference between the temperature measured is in the range of default value, then it represents that fuser malfunction occurs, governor circuit sends control letter Number to heating control circuit, so as to make warmer not work, and warning circuit is controlled to send alarm sounds.
- 5. the linear intelligent intravenous transfusion warmer of one kind according to claim 1 or claim 2, it is characterised in that：The warmer Including the silica gel heating sheet that section is major arc shape, there is space between the relative both ends of the silica gel heating sheet, the space is formed Woven hose picks and places mouth；The heating control circuit is connected with silica gel heating sheet.
- A kind of 6. linear intelligent intravenous transfusion warmer according to claim 5, it is characterised in that：The woven hose picks and places The woven hose that mouth is less than transfusion pipe diameter for width picks and places mouth.
- A kind of 7. linear intelligent intravenous transfusion warmer according to claim 5, it is characterised in that：Also include fixed part Part, the fixed component are provided with the groove for being used for placing silica gel heating sheet, and the woven hose picks and places the court of the opening of mouth and groove To identical.
- 8. the linear intelligent intravenous transfusion warmer of one kind according to claim 1 or claim 2, it is characterised in that：The heating control Circuit processed includes first resistor, second resistance, metal-oxide-semiconductor field effect transistor and fuse；One end of the fuse is connected with warmer, The drain electrode of the other end and metal-oxide-semiconductor field effect transistor of the fuse connects；The grid of the metal-oxide-semiconductor field effect transistor respectively with second resistance One end connected with one end of first resistor, the other end of the first resistor is connected with governor circuit, the second resistance The source grounding of the other end and metal-oxide-semiconductor field effect transistor.
- 9. the linear intelligent intravenous transfusion warmer of one kind according to claim 1 or claim 2, it is characterised in that：The alarm electricity Road includes luminous alarm circuit and/or audible alarm circuit；The luminous alarm circuit includes the 5th resistance, the first triode, the 4th resistance and light emitting diode, the 5th electricity One end of resistance is connected with governor circuit, and the other end of the 5th resistance is connected with the base stage of the first triode, and the described 1st The emitter stage of pole pipe connects supply voltage, and the colelctor electrode of first triode is connected with one end of the 4th resistance, the 4th electricity The other end of resistance and the positive pole of light emitting diode connect, the negative pole ground connection of the light emitting diode；The audible alarm circuit includes the 6th resistance, the second triode and buzzer, one end of the 6th resistance and master Circuit connection is controlled, the other end of the 6th resistance is connected with the base stage of the second triode, the emitter stage of second triode Supply voltage is connect, the colelctor electrode of second triode is connected with buzzer.
- A kind of 10. linear intelligent intravenous transfusion warmer according to claim 9, it is characterised in that：The light-emitting diodes Manage and connected for dichromatic LED, the other end of the 4th resistance and the first positive pole of dichromatic LED, it is described double Second positive pole of color light emitting diode is connected with heating control circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710607304.8A CN107349496B (en) | 2017-07-24 | 2017-07-24 | Linear intelligent intravenous transfusion warmer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710607304.8A CN107349496B (en) | 2017-07-24 | 2017-07-24 | Linear intelligent intravenous transfusion warmer |
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| CN107349496B CN107349496B (en) | 2023-06-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392312A (en) * | 2018-02-08 | 2018-08-14 | 佛山枫莲内衣集团有限公司 | A kind of abdomen fat reducing body shaping underwear |
| CN114028657A (en) * | 2021-11-16 | 2022-02-11 | 全鼎电子(苏州)有限公司 | Infusion heating control technology |
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| CN202342613U (en) * | 2011-11-25 | 2012-07-25 | 黄徳裕 | Intelligent constant-temperature heating transfusion device |
| CN204468903U (en) * | 2015-01-16 | 2015-07-15 | 何向锋 | A kind of portable electronic infusion warmer |
| CN104841041A (en) * | 2015-06-10 | 2015-08-19 | 杭州派尼澳电子科技有限公司 | Intelligent infusion monitoring system |
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2017
- 2017-07-24 CN CN201710607304.8A patent/CN107349496B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202342613U (en) * | 2011-11-25 | 2012-07-25 | 黄徳裕 | Intelligent constant-temperature heating transfusion device |
| CN204468903U (en) * | 2015-01-16 | 2015-07-15 | 何向锋 | A kind of portable electronic infusion warmer |
| CN104841041A (en) * | 2015-06-10 | 2015-08-19 | 杭州派尼澳电子科技有限公司 | Intelligent infusion monitoring system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392312A (en) * | 2018-02-08 | 2018-08-14 | 佛山枫莲内衣集团有限公司 | A kind of abdomen fat reducing body shaping underwear |
| CN114028657A (en) * | 2021-11-16 | 2022-02-11 | 全鼎电子(苏州)有限公司 | Infusion heating control technology |
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| Publication number | Publication date |
|---|---|
| CN107349496B (en) | 2023-06-23 |
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