CN206560581U - A kind of drip heater - Google Patents
A kind of drip heater Download PDFInfo
- Publication number
- CN206560581U CN206560581U CN201621319221.6U CN201621319221U CN206560581U CN 206560581 U CN206560581 U CN 206560581U CN 201621319221 U CN201621319221 U CN 201621319221U CN 206560581 U CN206560581 U CN 206560581U
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- heating tube
- coupled
- heater
- control
- temperature
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Abstract
The utility model discloses a kind of drip heater, including steam generator, heater and for controlling heater to maintain the temperature control device in preset temperature range；Heater includes heating tube and magnetic valve, and heating pipe surface is additionally provided with into the groove of spiral surrounding setting, and woven hose is arranged in groove and the half slot for being also arranged with and being respectively provided with housing, housing by woven hose outside setting, heating tube is contacted with heating tube；Temperature control device includes, detecting element, control element, and supply unit；The temperature that woven hose is heated is controlled by temperature control device, heating tube is maintained within the temperature range close with body temperature, and then infusion liquid in pipe enters after human body, human body will not be because the transfusion temperature difference is big and produces uncomfortable sensation；And vapor is used as thermal source, the groove set in too many thermal source, heating tube can not be needed to increase the contact area of woven hose and heating tube with centralizedly supply, exchange rate is improved.
Description
Technical field
The utility model is related to technical field of medical equipment, more specifically, it relates to a kind of drip heater.
Background technology
Flu is to perplex one of most common disease of the mankind, particularly to winter, and people are often because it is cold
It must catch a cold.Passive protective physical fitness it is better have some medicine, drinking ginger decoction water will be taken a turn for the better, and the wouling have to of resistance difference is had an injection or even beaten
Drop.In cold winter, patient is sitting in the hall of hospital, and drop is turned on after flu, because the liquid of input is extremely ice-cold,
At this moment patient will transmit a burst of shouting pain on hand, and the patient for making this catch a cold is more uncomfortable.
At present, many hospitals or clinic be to putting a hot-water bottle on patient's arm or on palm, but hot-water bottle only handle
Arm or palm warm up heat, and the liquid that can not reduce in the temperature difference of fluid temperature and body temperature in infusion pipe, woven hose enters
Entering in patient body with body temperature can still exist the larger temperature difference makes patient uncomfortable, and poor experience is brought to patient.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is that woven hose liquid temperature can be reduced by providing one kind
The drip heater of the temperature difference between degree and body temperature.
To achieve the above object, the utility model provides following technical scheme：A kind of drip heater, including vapor
Generation device, it is connected with steam generator and for the heater heated to woven hose and for controlling heater to tie up
Hold the temperature control device in preset temperature range；The heater includes the heating tube for being passed through vapor and is arranged to add
It is used to control the magnetic valve that vapor is passed through on heat pipe, heating pipe surface is additionally provided with into the groove of spiral surrounding setting, woven hose
It is arranged in groove and is contacted with heating tube and one is also arranged with outside setting, heating tube for heat-insulated and dismountable housing, housing
On be respectively provided with half slot by woven hose；The temperature control device includes, detecting element, for detecting that heated pipe adds
The temperature of liquid after heat, and export detection signal；Control element, is connected with detecting element signal, is connected with heater control,
Receive and respond to the keying that the detection signal controls heater；And supply unit.
By using above-mentioned technical proposal, vapor is produced using steam generator, re-supplies and is used to heater
The temperature that woven hose is heated is controlled in heating transfusion pipe, and by temperature control device, maintains heating tube close with body temperature
Temperature range within, and then infusion liquid in pipe enters after human body, and human body will not be because the transfusion temperature difference is big and produces not
Suitable sensation；And vapor is used as thermal source, the groove energy set in too many thermal source, heating tube can not be needed with centralizedly supply
Enough the contact area of increase woven hose and heating tube, improves exchange rate.
The utility model is more preferably：Be provided with through hole in the heating tube, surface loop of the through hole along heating tube around
Set, sponges cover is arranged with outside heating tube, the groove surround and is arranged at outside sponges cover.
By using above-mentioned technical proposal, there are many stomatas in sponges cover, part vapor can be absorbed and slow down water steaming
The loss speed of gas, further improves the exchange rate of woven hose and sponges cover.
The utility model is more preferably：The housing includes the first half and lower half, and the first half passes through with lower half
Hinge is hinged, and the half slot is respectively arranged on the first half and lower half, and forming one when the first half and lower half closure is used for
Accommodate the cavity of heating tube.
By using above-mentioned technical proposal, casing upper half and lower half are hinged by hinge, are easy to open transfusion of taking
Pipe.
The utility model is more preferably：The break-make of vapor in the solenoid valve control heating tube, magnetic valve and dress
Put connection.
The utility model is more preferably：The detecting element includes a temperature sensor, and temperature sensor is arranged at
Housing is outer at half slot, and temperature sensor is electrically connected with control element.
The utility model is more preferably：The control element controls the break-make of magnetic valve according to detection signal；In inspection
Element testing is surveyed to control less than control element after preset value and certain time to the temperature of heated rear transfusion liquid in pipe
Heater starts, and magnetic valve is opened and is passed through vapor.
The utility model is more preferably：The control element includes, a reference voltage generating circuit, including resistance R2
With slide rheostat RP, resistance R2 and slide rheostat RP series connection, the resistance R2 other end is coupled to the second direct current, slides and become
Hinder device RP other end ground connection；One comparison circuit, including a comparator, its in-phase input end are coupled to the output of temperature sensor
End, inverting input is coupled to slide rheostat RP sliding end, by the detection signal received compared with reference voltage and by
Output end exports a comparison signal；One anti-clutter circuit, its signal input part is coupled to comparison circuit, for receiving comparison signal
And then export control OFF signal more than scheduled time T1；One on-off circuit, its input is coupled to the output end of anti-clutter circuit, uses
OFF signal is controlled in reception and the break-make of magnetic valve is controlled by controlling switch S1 closure.
The utility model is more preferably：The anti-clutter circuit includes, and a delay circuit, its input is coupled to institute
State comparison signal and export a delay comparison signal；And one with door AND1, with two inputs and an output end, it the
The output end of the output end coupling of one input and delay circuit, the second input and comparison circuit is coupled, the output of its output end
Control OFF signal.
The utility model is more preferably：The on-off circuit includes, and a resistance R3, one end is coupled to door AND1's
Output end；One diode D1, the other end of positive pole and resistance R3 is coupled；One NPN triode Q1, its grounded emitter, base stage coupling
Be connected to diode D1 negative pole with receive the control OFF signal in the lump by a resistance R4 and emitter stage altogether；One relay KM1,
Its coil one end is coupled to the first direct current, and the other end is coupled to the colelctor electrode of the NPN triode Q1, its normally opened contact switch S1
It is series between resistance R5 and supply unit tie point, the other end of resistance 5 is grounded through magnetic valve；One diode D2, its positive pole coupling
Between the coil for being connected to the colelctor electrode of NPN triode Q1 and relay KM1, negative pole is coupled to first direct current.
By using above-mentioned technical proposal, the utility model is compared compared with the prior art：By reference to voltage generation circuit
The temperature sensor used in the reference voltage made comparisons with detection signal, the present embodiment is exported to pass for negative temperature coefficient type temperature
Voltage and the temperature of sensor, i.e. sensor output model are negatively correlated, and temperature more low output voltage is bigger, and default one 37 Celsius
The voltage that sensor is exported when spending is reference voltage；After the actual temperature of woven hose is less than 37 degrees Celsius, temperature sensor is defeated
The value gone out is more than reference voltage, and comparator output high level is input to delay circuit, exported after delay a period of time, afterwards with working as
Under comparison output and rear output, if instantly comparison output still be high level, with door output control OFF signal be high level,
Turn-on transistor, relay obtains electric, inner-core adhesive armature S, solenoid valve conduction, and vapor enters in heating tube, and passes through
Through hole enters in sponges cover to supplement loss of the vapor in sponges cover in heat exchanging process is carried out with woven hose.To defeated
Liquid pipe is heated；When the actual temperature of woven hose is slightly above 37 degree, the value of temperature sensor output is less than reference voltage, compares
Device exports low level, through with being still behind the door low level, now triode is not turned on, and magnetic valve is closed.
Brief description of the drawings
Fig. 1 is a kind of structural representation of drip heater；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is a kind of drip heater with the positive structural representation of hinge；
Fig. 4 is sectional view of the heating tube along its axial direction
Fig. 5 is the circuit theory diagrams of temperature control device.
In figure：2nd, heater；21st, heating tube；22nd, magnetic valve；23rd, groove；24th, housing；241st, the first half；242nd, under
Half portion；243rd, hinge；244th, cavity；25th, half slot；26th, sponges cover；27th, through hole；3rd, temperature control device；31st, detecting element；32、
Control element；321st, reference voltage generating circuit；322nd, comparison circuit；323rd, anti-clutter circuit；324th, on-off circuit.
Embodiment
A kind of drip heater is described further referring to figs. 1 to Fig. 5.
As shown in Figure 1, Figure 2 and Figure 4, a kind of drip heater includes steam generator and steam generator
Connect and for the heater 2 heated to woven hose and for controlling heater 2 to maintain the temperature in preset temperature range
Control device 3.
Steam generator uses an evaporation boiler in the present embodiment, and evaporation boiler produces the air pressure pressure in vapor and pot
In the pressure range for maintaining a setting, vapor is conveyed to the heating tube in heater 2 by gas pipeline by evaporation boiler
21.Heating tube 21 is set to an air inlet pipe and an escape pipe, and air inlet pipe is connected with the gas pipeline of evaporation boiler, and is set in air inlet pipe
It is equipped with the magnetic valve 22 for controlling vapor to be passed through, escape pipe and atmosphere.
Heater 2 includes the heating tube 21 for being passed through vapor and is arranged in heating tube 21 to be used to control vapor
The magnetic valve 22 being passed through, the surface of heating tube 21 is additionally provided with into the groove 23 of spiral surrounding setting, and woven hose is arranged in groove 23
And setting is contacted with heating tube 21, heating tube 21 is also arranged with one outside to be used to divide on heat-insulated and dismountable housing 24, housing 24
The half slot 25 by woven hose She You be used for.
Through hole 27 is provided with heating tube 21, surface loop of the through hole 27 along heating tube 21 is around setting.In order to reach more preferably
Sponges cover 26 is arranged with outside heating effect, heating tube 21, groove 23 surround and is arranged at outside sponges cover 26.Added again to woven hose
When hot, the woven hose on drop is arranged in groove 23.
Housing 24 includes the first half 241 and lower half 242, and the first half 241 is hinged with lower half 242 by hinge 243, and half
Circular groove 25 is respectively arranged on the first half 241 and lower half 242, and forming one when the first half 241 and the closure of lower half 242 is used to hold
Receive the cavity 244 of heating tube 21.
When the heater strip first half 241 and lower half 242 are closed, woven hose passes through the half of the first half 241 and lower half 242
Circular groove 25.
As shown in figure 5, temperature control device 3 includes, detecting element 31, the temperature for detecting the heated heated liquid of pipe 21
Degree, and export detection signal；Control element 32, is connected with the signal of detecting element 31, is connected, is received simultaneously with the control of heater 2
The keying of heater 2 is controlled in response to detection signal；And supply unit.
The supply unit of the present embodiment, its input is coupled to 220V AC powers, is exported after over commutation decompression filtering
First direct current Vout1 and the second direct current Vout2, is used with for each element.
The break-make of vapor in the control heating tube 21 of magnetic valve 22, magnetic valve 22 is connected with device.
Detecting element 31 includes a temperature sensor, and temperature sensor is arranged at the outer close half slot 25 of housing 24, temperature
Degree sensor is electrically connected with control element 32（By Fig. 2）.
Control element 32 controls the break-make of magnetic valve 22 according to detection signal；Detected in detecting element 31 heated rear defeated
The temperature of liquid liquid in pipe starts less than the control of control element 32 heater 2 after preset value and certain time, magnetic valve
22 openings are passed through vapor.
Control element 32 includes, a reference voltage generating circuit 321, including resistance R2 and slide rheostat RP, resistance R2
With slide rheostat RP series connection, the resistance R2 other end is coupled to the second direct current, slide rheostat RP other end ground connection；One
Comparison circuit 322, including a comparator, its in-phase input end are coupled to the output end of temperature sensor, inverting input coupling
In slide rheostat RP sliding end, the detection signal received is compared with reference voltage and letter is compared by output end output one
Number；One anti-clutter circuit 323, its signal input part is coupled to comparison circuit 322, for receiving comparison signal and more than pre- timing
Between T1 then export control OFF signal；One on-off circuit 324, its input is coupled to the output end of anti-clutter circuit 323, for receiving
Control OFF signal and the break-make that magnetic valve 22 is controlled by controlling switch S1 closure.
Anti-clutter circuit 323 includes, a delay circuit, and its input, which is coupled to comparison signal and exports a delay, compares letter
Number；And one and door AND1, with two inputs and an output end, the output end coupling of its first input end and delay circuit
Connect, the output end of the second input and comparison circuit 322 is coupled, its output end output control OFF signal.
Delay circuit can select the delay circuit being made up of 555 chips for core in the present embodiment, due to delay circuit
It has been be disclosed that, be prior art, it should be understood by those skilled in the art that its operation principle, will not be repeated here.
In above-mentioned comparison circuit 322, comparator A is active voltage comparator, and its power access end is coupled to the second direct current
Electric Vout_2, earth terminal ground connection.
On-off circuit 324 includes, a resistance R3, and one end is coupled to the output end with door AND1；One diode D1, positive pole with
Resistance R3 other end coupling；One NPN triode Q1, its grounded emitter, base stage is coupled to diode D1 negative pole to receive
Control OFF signal in the lump by a resistance R4 and emitter stage altogether；One relay KM1, its coil one end is coupled to the first direct current,
The other end is coupled to the colelctor electrode of the NPN triode Q1, and its normally opened contact switch S1 is series at resistance R5 and supply unit connection
Between point, the other end of resistance 5 is grounded through magnetic valve 22；One diode D2, its positive pole be coupled to the colelctor electrode of NPN triode Q1 with
Between relay KM1 coil, negative pole is coupled to first direct current.
The specifically used process of the present embodiment is as follows：Made comparisons by reference to the output of voltage generation circuit 321 with detection signal
Reference voltage, the temperature sensor used in the present embodiment is negative temperature coefficient type temperature sensor, i.e. sensor output letter
Number voltage and temperature it is negatively correlated, temperature more low output voltage is bigger, preset one 37 degrees Celsius when sensor output electricity
Press as reference voltage.
After the actual temperature of woven hose is less than 37 degrees Celsius, the value of temperature sensor output is more than reference voltage, compares
Device exports high level, is input to delay circuit, is exported after delay a period of time, afterwards with comparison output and rear output instantly,
If comparison output instantly is still high level, the control OFF signal exported with door is high level, and turn-on transistor, relay obtains electric,
Inner-core adhesive armature S, magnetic valve 22 is turned on, and vapor enters in heating tube 21, and enters sponges cover by through hole 27
To supplement loss of the vapor in sponges cover 26 in heat exchanging process is carried out with woven hose in 26, woven hose is added
Heat, makes its temperature return to 37 degrees Celsius；When the actual temperature of woven hose is slightly above 37 degree, the value of temperature sensor output is less than
Reference voltage, comparator output low level, through with being still behind the door low level, now triode is not turned on.
It the above is only preferred embodiment of the present utility model, protection domain of the present utility model is not limited merely to above-mentioned
Embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should be pointed out that pair
For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from,
These improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of drip heater, it is characterised in that be connected and be used for including steam generator, with steam generator
The heater heated to woven hose（2）With for controlling heater（2）Maintain the temperature control device in preset temperature range
（3）；
The heater（2）Including the heating tube for being passed through vapor（21）Be arranged at heating tube（21）It is upper to be used to control
The magnetic valve that vapor is passed through（22）, heating tube（21）Surface is additionally provided with into the groove of spiral surrounding setting（23）, woven hose sets
It is placed in groove（23）Interior and and heating tube（21）Contact is set, heating tube（21）It is outer to be also arranged with one for heat-insulated and dismountable
Housing（24）, housing（24）On be respectively provided with half slot by woven hose（25）；
The temperature control device（3）Including,
Detecting element（31）, for detecting heated pipe（21）The temperature of heated liquid, and export detection signal；
Control element（32）, with detecting element（31）Signal is connected, with heater（2）Control connection, receives and responds to institute
State detection signal control heater（2）Keying；
And supply unit.
2. a kind of drip heater according to claim 1, it is characterised in that the heating tube（21）On be provided with through hole
（27）, through hole（27）Along heating tube（21）Surface loop around setting, heating tube（21）It is arranged with sponges cover outside（26）, the groove
（23）It surround and is arranged at sponges cover（26）Outside.
3. a kind of drip heater according to claim 1, it is characterised in that the housing（24）Including the first half
（241）And lower half（242）, the first half（241）With lower half（242）Pass through hinge（243）It is hinged, the half slot（25）Point
The first half is not arranged at it（241）And lower half（242）On, the first half（241）And lower half（242）One is formed during closure is used to hold
Receive heating tube（21）Cavity（244）.
4. a kind of drip heater according to claim 1, it is characterised in that the magnetic valve（22）Control heating tube
（21）The break-make of interior vapor, magnetic valve（22）It is connected with device.
5. a kind of drip heater according to claim 4, it is characterised in that the detecting element（31）Including a temperature
Sensor, temperature sensor is arranged at housing（24）Outer close half slot（25）Place, temperature sensor and control element（32）Electricity
Connection.
6. a kind of drip heater according to claim 5, it is characterised in that the control element（32）According to detection letter
Number control magnetic valve（22）Break-make；In detecting element（31）The temperature of heated rear transfusion liquid in pipe is detected less than default
Control element after value and certain time（32）Control heater（2）Start, magnetic valve（22）Opening is passed through vapor.
7. a kind of drip heater according to claim 6, it is characterised in that the control element（32）Including,
One reference voltage generating circuit（321）, including resistance R2 and slide rheostat RP, resistance R2 and slide rheostat RP strings
Connection, the resistance R2 other end is coupled to the second direct current, slide rheostat RP other end ground connection；
One comparison circuit（322）, including a comparator, its in-phase input end is coupled to the output end of temperature sensor, anti-phase defeated
Enter the sliding end that end is coupled to slide rheostat RP, the detection signal received is compared with reference voltage and exported by output end
One comparison signal；
One anti-clutter circuit（323）, its signal input part is coupled to comparison circuit（322）, for receiving comparison signal and exceeding
Scheduled time T1 then exports control OFF signal；
One on-off circuit（324）, its input is coupled to anti-clutter circuit（323）Output end, for receive control OFF signal simultaneously
Magnetic valve is controlled by controlling switch S1 closure（22）Break-make.
8. a kind of drip heater according to claim 7, it is characterised in that the anti-clutter circuit（323）Including,
One delay circuit, its input is coupled to the comparison signal and exports a delay comparison signal；And
One and door AND1, with two inputs and an output end, the output end coupling of its first input end and delay circuit,
Second input and comparison circuit（322）Output end coupling, its output end output control OFF signal.
9. a kind of drip heater according to claim 7, it is characterised in that the on-off circuit（324）Including,
One resistance R3, one end is coupled to the output end with door AND1；
One diode D1, the other end of positive pole and resistance R3 is coupled；
One NPN triode Q1, its grounded emitter, base stage is coupled to diode D1 negative pole to receive the control OFF signal in the lump
By a resistance R4 and emitter stage altogether；
One relay KM1, its coil one end is coupled to the first direct current, and the other end is coupled to the colelctor electrode of the NPN triode Q1,
Its normally opened contact switch S1 is series between resistance R5 and supply unit tie point, and the other end of resistance 5 is through magnetic valve（22）Ground connection；
One diode D2, its positive pole is coupled between the colelctor electrode of NPN triode Q1 and the relay KM1 coil, negative pole coupling
It is connected to first direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621319221.6U CN206560581U (en) | 2016-12-02 | 2016-12-02 | A kind of drip heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621319221.6U CN206560581U (en) | 2016-12-02 | 2016-12-02 | A kind of drip heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206560581U true CN206560581U (en) | 2017-10-17 |
Family
ID=60029727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621319221.6U Expired - Fee Related CN206560581U (en) | 2016-12-02 | 2016-12-02 | A kind of drip heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206560581U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172921A (en) * | 2018-08-13 | 2019-01-11 | 吴昊 | A kind of infusion apparatus and its temperature control system |
| CN109646745A (en) * | 2019-02-26 | 2019-04-19 | 江苏省人民医院 | A kind of CRRT dialyzate heating device |
-
2016
- 2016-12-02 CN CN201621319221.6U patent/CN206560581U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172921A (en) * | 2018-08-13 | 2019-01-11 | 吴昊 | A kind of infusion apparatus and its temperature control system |
| CN109646745A (en) * | 2019-02-26 | 2019-04-19 | 江苏省人民医院 | A kind of CRRT dialyzate heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20181202 |