CN107062610A - A kind of electric heater of Intelligent Measurement - Google Patents
A kind of electric heater of Intelligent Measurement Download PDFInfo
- Publication number
- CN107062610A CN107062610A CN201710447572.8A CN201710447572A CN107062610A CN 107062610 A CN107062610 A CN 107062610A CN 201710447572 A CN201710447572 A CN 201710447572A CN 107062610 A CN107062610 A CN 107062610A
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- electric heater
- bobbin carriage
- side bobbin
- pipe box
- pressure
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- 238000005259 measurement Methods 0.000 title abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000013021 overheating Methods 0.000 claims abstract description 5
- 238000005485 electric heating Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 description 7
- 230000003416 augmentation Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
- F24H7/0233—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply the transfer fluid being water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a kind of electric heater of overheating detection, the electric heater includes controller, electric heater unit, water tank, the electric heater unit is arranged in water tank, the electric heater includes left side bobbin carriage, right side bobbin carriage and connects the heat exchanger tube of left side bobbin carriage and right side bobbin carriage, electric heater, heat exchanger tube, left side bobbin carriage and right side bobbin carriage formation heating fluid closed circulation are set in left side bobbin carriage and/or right side bobbin carriage；The electric heater unit also sets up pressure sensor, for detecting the pressure in electric heater unit；The electric heater unit, pressure sensor and controller carry out data cube computation, and the controller judges whether temperature overheating to automatically control the operation of electric heater according to the pressure of detection.The present invention with the overheat of Intelligent Measurement water heater and can carry out intelligent control, improve security.
Description
Technical field
The present invention relates to a kind of water heater, more particularly to a kind of electric heater that there is overheat to monitor.
Background technology
Water heater is an essential household electrical appliance in current family life.Various water heaters are substantially at present
Using electric heating tube, and electric heating tube easily occurs damaging or leakage phenomenon in operation, once it is damaged or lets out
Leak, then easy generation danger of hazardous electrical discharges, but also easily cause water heater and burn out, produce serious accident.It is easy in operation
There is electric heating tube temperature overheating, cause the electric heating tube lost of life.Therefore need to design a kind of progress intelligent monitoring electrical heating
The electric heater of equipment overheat.
The content of the invention
There is provided a kind of electric heating hot water for deficiency of the invention for water heater in the prior art.The water heater can lead to
Cross mobile phone APP and carry out pressure intelligent monitoring, and with heating is rapid, uniformity of temperature profile, power are automatically controlled, safe and reliable
Function, improve the efficiency of heating surface.
Another object of the present invention is to provide a kind of water heater of Novel structure.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of electric heater of overheating detection, the electric heater includes controller, electric heater unit, water tank, the electricity
Heater is arranged in water tank, and the electric heater includes left side bobbin carriage, right side bobbin carriage and connects left side bobbin carriage and right side pipe
The heat exchanger tube of case, sets electric heater, heat exchanger tube, left side bobbin carriage and right side bobbin carriage shape in left side bobbin carriage and/or right side bobbin carriage
Into heating fluid closed circulation；The electric heater unit also sets up pressure sensor, for detecting the pressure in electric heater unit；
The electric heater unit, pressure sensor and controller carry out data cube computation, and the controller judges according to the pressure of detection
Whether heating power is excessive, so that the operation of automatic controlled electric heating hydrophone；
Controller connects cloud server, and cloud server is connected with water heater client, and wherein controller is by measurement
Pressure data passes to cloud server, then sends client to by cloud server, the client is mobile phone, described
Mobile phone installs APP programs, and user can obtain pressure data by client.
Preferably, if the pressure of detection is higher than certain pressure, controller is automatically stopped the heating of electric heater unit,
And the information of stopping electric heater unit heating is passed into client by cloud server.
Preferably, also include water inlet pipe and outlet pipe, set respectively on the water inlet pipe and outlet pipe inlet valve and
Flowing water Valve, the valve is connected with controller data, if the pressure of detection is higher than certain pressure, controller increases automatically
The aperture of inlet valve and flowing water Valve, and increase inlet valve and flowing water Valve information are passed into visitor by cloud server
Family.
Preferably, when the pressure of measurement is higher than first pressure, the heating power drop of controller control electric heater unit
It is low to be heated to the first power；When the pressure of measurement is higher than the second pressure higher than first pressure, controller control electricity adds
The heating power of thermal is reduced to second power lower than the first power and heated；When the pressure of measurement is higher than than the second pressure
During high three pressure of power, the heating power of controller control electric heater unit is reduced to threeth power lower than the second power and entered
Row heating；When the pressure of measurement is higher than four pressure higher than the 3rd pressure, controller controls the heating work(of electric heater unit
Rate is reduced to fourth power higher than the 3rd power and heated；When the pressure of measurement is higher than fiveth pressure higher than the 4th pressure
When, controller stops the heating of electric heater unit.
Preferably, the 4th power is 0.4-0.6 times of the 3rd power, the 3rd power is 0.6-0.8 times of the second power,
Second power is 0.7-0.9 times of the first power.
, can be quickly real especially by the setting of differential heating power by the preferred of above-mentioned heating power
The control of existing electric heater unit overheat, saves the time, improves security.It is found through experiments that, 10-12% or so can be saved
Time.
Preferably, the heat-exchanging tube bundle is floating coiled pipe, floating coiled pipe is connected with left side bobbin carriage and right side bobbin carriage, shape
Into heating fluid closed circulation, electrically heated rod is arranged in left side bobbin carriage and right side bobbin carriage；Left side bobbin carriage, right side bobbin carriage and floating
Filling heating fluid in coil pipe；Floating coiled pipe is one or more, and each floating coiled pipe includes the tube bank of many circular arc, many
The center line of the tube bank of root circular arc is the circular arc of concentric circles, the end connection of adjacent tube bank, so that the end shape of tube bank
Into tube bank free end；The concentric circles is the circle using the center of left side bobbin carriage as the center of circle.
Preferably, the caliber of the left pipe box, which is more than in the caliber of right pipe box, the left pipe box, sets the first electrical heating
Second electric heater is set in device, right pipe box, and the heating power of the first electric heater is more than the heating power of the second electric heater.
Preferably, the internal diameter of left pipe box is R1, the internal diameter of right pipe box is R2, and the power of the electrically heated rod of left pipe box is
P1, the power of the electrically heated rod of right pipe box is P2, meets following relation：
P1/P2=a* (R1/R2)2-b*(R1/R2)+c；
A, b, c are coefficients, wherein 0.82<a<0.91,1.95<b<2.05,2.67<c<2.77；
Wherein 58mm<R1<87mm；
29mm<R2<68mm；
1.2<R1/R2<2.1；It is preferred that, 1.5<P1/P2<2.3；
950W<P1<1500W；
400W<P2<1000W。
Preferably, with R1/R2 increase, a, c increases, b reduces.
Preferably, a=0.87, b=2, c=2.72.
The invention has the advantages that：
1st, the pressure condition of the invention by detecting heater, Intelligent Measurement simultaneously controls overheated heater problem.
2nd, the present invention is by mobile phone A PP, and user can just monitor the pressure changing of electric heater unit, and root in time in real time
Corresponding reaction is made according to pressure change, remote monitoring and the security control of water heater is realized.
3rd, controller of the invention makes corresponding reaction in the case of user is responseless, in time, further improves
The security of class system.
4th, floating coiled pipe is applied to the heating of water heater by the present invention, by setting floating coiled pipe, after heating fluid is heated
Volumetric expansion, induction floating coiled pipe free end BC, B can be produced ' C ' vibration is produced, so that augmentation of heat transfer.
5th, the present invention optimizes the best relation of the parameter of floating coiled pipe, so as to further improve by substantial amounts of experiment
The efficiency of heating surface.
6th, the present invention is by the way that electric heater is arranged in bobbin carriage, therefore directly fluid can be avoided to be connect with electric heater
Touch, so as to avoid getting an electric shock, play a part of protection.
7th, the present invention is by the setting of the electric heater capacities of different bobbin carriages, improves the uniform of the efficiency of heating surface and its heating
Property.
Brief description of the drawings：
Fig. 1 is the schematic flow sheet that mobile phone A PP is controlled to water heater.
Fig. 2 is water heater cross-sectional.
Fig. 3 is the electric heater unit section view in Fig. 2.
Fig. 4 is the Section A-A view in Fig. 3.
Fig. 5 is the scale diagrams of Fig. 4 structures.
Fig. 6 is electric heater control structure schematic diagram.
In figure：1st, floating coiled pipe, 2, left pipe box, 3, controller, 4, temperature sensor, 5, water inlet pipe, 6, outlet pipe, 7, from
By holding, 8, right pipe box, 9, pressure sensor, 10, electric heater unit, 11, water tank, 12 tube banks, 13 electric heaters, 131 first electricity
Heating rod, 132 second electrically heated rods, 14 flow controllers, 15 flow sensors
Embodiment
As shown in drawings, a kind of electric heater for using mobile phone A PP overheat monitoring, the electric heater includes control
Device 3, electric heater unit 10, water tank 11, the electric heater unit 10 are arranged in water tank 11, and the electric heater 10 includes a left side
Side pipe case 2, right side bobbin carriage 8 and the heat exchanger tube for connecting left side bobbin carriage 2 and right side bobbin carriage 8, bobbin carriage 2 and/or right side bobbin carriage 8 in left side
Interior setting electric heater 131,132, heat exchanger tube, left side bobbin carriage 2 and the formation heating fluid closed circulation of right side bobbin carriage 8；The electricity
Heater 10 also sets up pressure sensor 9, for detecting the pressure in electric heater unit；The electric heater unit 10, pressure
Sensor 9 and controller 3 carry out data cube computation, and the controller 3 is according to the operation of the pressure automatic controlled electric heating hydrophone of detection.
Preferably, controller 3 connects cloud server, cloud server is connected with water heater client, wherein controlling
The pressure data of measurement is passed to cloud server by device, then sends client, the client to by cloud server
It is mobile phone, the mobile phone installs APP programs, user can obtain pressure data by client.
Preferably, if the pressure of detection is higher than certain pressure, controller 3 is automatically stopped adding for electric heater unit
Heat, and the information that stopping electric heater unit 10 is heated passes to client by cloud server.
Preferably, also including setting inlet valve respectively on water inlet pipe 5 and outlet pipe 6, the water inlet pipe and outlet pipe
And flowing water Valve, the valve and the data cube computation of controller 3, if the pressure of detection is less than certain pressure (i.e. upper pressure limiting
Power), the aperture of controller 3 increase inlet valve and flowing water Valve automatically, and inlet valve and flowing water Valve aperture will be increased
Information passes to client by cloud server.
By being arranged such, it is ensured that more cold water enter, and can further reduce the temperature of electric heater unit, Ke Yibao
The safety of water heater operation and the personal safety of client are demonstrate,proved, increases service life.
Preferably, when the pressure of measurement is higher than first pressure, controller 3 controls the heating power of electric heater unit 10
The first power is reduced to be heated；When the pressure of measurement is higher than the second pressure higher than first pressure, controller 3 controls electricity
The heating power of heater 10 is reduced to second power lower than the first power and heated；When the pressure of measurement is higher than than the
During high three pressure of two pressure, the heating power of the control electric heater unit 10 of controller 3 is reduced to lower than the second power by the
Three power are heated；When the pressure of measurement is higher than four pressure higher than the 3rd pressure, the control electric heater unit of controller 3
10 heating power is reduced to fourth power higher than the 3rd power and heated；When the pressure of measurement is higher than higher than the 4th pressure
Five pressure when, controller 3 stop electric heater unit 10 heating.
Preferably, the 4th power is 0.4-0.6 times of the 3rd power, the 3rd power is 0.6-0.8 times of the second power,
Second power is 0.7-0.9 times of the first power.
Further preferably, preferably, the 4th power is 0.5 times of the 3rd power, the 3rd power is the 0.7 of the second power
Times, the second power is 0.8 times of the first power.
5th pressure is exactly pressure upper limit.
The flow chart specifically controlled is referring to Fig. 1.
Preferably, client can obtain the pressure in electric heater unit 10 in real time.
Once the pressure of detection exceedes certain pressure, such as, because heating power is excessive, client will receive the report for police service
Information, the information that user terminates to according to client determines whether to close the heating of electric heater.If by certain time (for example
15 seconds), if client is reactionless, controller can stop the heating of electric heater 10, while the information transmission of stopping is arrived
Client.
Certainly, preferably, controller exceedes certain pressure in the pressure of detection, electric heater 10 can directly be stopped
Heating, while by the information transmission of stopping to client.
Preferably, pressure sensor 9 can be arranged on any position of electric heater unit 10.Because electric heater unit 10
Inside is connectivity structure, so corresponding pressure change can be embodied by measuring the pressure of any position.For example in Fig. 2 measure
It is the pressure in the pipe 8 of right side.
It is preferred that, the heat-exchanging tube bundle is floating coiled pipe 1.
Fig. 2 illustrates the tangent plane schematic diagram of electric heater, as shown in Fig. 2 the electric heater includes water tank 11 and position
In the electric heater unit 10 in water tank, the electric heater unit 10 includes left pipe box 2, right pipe box 8 and floating coiled pipe 1, floating disc
Pipe 1 is connected with left pipe box 2 and right pipe box 8, and heating fluid is closed in left pipe box 2 and right pipe box 8 and floating coiled pipe
Electric heater 13 is set in circulation, the electric heater unit 10, and the electric heater 13 is used to heat the interior of electric heater unit 10
Fluid, then heats the water in water tank by the fluid of heating.
Preferably, electric heater unit 10 is arranged in left pipe box 2 or right pipe box 8.
Floating coiled pipe 1 is one group or multigroup, and every group of floating coiled pipe 1 includes the tube bank 12 of many circular arc, many circular arcs
The center line of the tube bank 12 of shape is the circular arc of concentric circles, the end connection of adjacent tube bank 12, so that the end of coil pipe 1 is formed
Restrain the free end 7 in free end 7, such as Fig. 2.
Preferably, described heating fluid is conduction oil.
Traditional floating coiled pipe is all to carry out vibration scale removal effect using the impact of the flowing of fluid to carry out augmentation of heat transfer, all
It is to be used for forced-convection heat transfer, and the water poor fluidity in water heater, it is impossible to forced-convection heat transfer flowing is carried out, and the present invention is first
It is secondary that floating coiled pipe is applied to water heater, by setting floating coiled pipe, volumetric expansion can be produced after heating fluid is heated, induction is floating
The free end 7 of Moving plate pipe 1 produces vibration, because the vibration is transferred to ambient water, disturbance effect is produced to the water of surrounding, so as to produce
The effect of augmentation of heat transfer.
In the present invention, because electric heater 13 is arranged in bobbin carriage 2,3, therefore fluid and electrical heating can directly be avoided
Device is contacted, so as to avoid getting an electric shock, plays a part of protection.
As with preferred, the left pipe box 2, right pipe box 8 and floating coiled pipe 1 are all circular tube structures.
Preferably, the tube bank of floating coiled pipe 1 is elastic tube bundle.
By the way that the tube bank of floating coiled pipe 1 is set into elastic tube bundle, the coefficient of heat transfer can be further improved.
Preferably, the concentric circles is the circle using the center of left pipe box 2 as the center of circle.That is the tube bank 12 of floating coiled pipe 1 is enclosed
Center line around left pipe box 2 is arranged.
As shown in figure 4, tube bank 12 is not a complete circle, but an oral area is reserved, so as to form the freedom of tube bank
End.Angle where the circular arc of the oral area is that 65-85 degree, i.e. Fig. 5 angles b and c sum are 65-85 degree.
Preferably, the caliber of the left pipe box 2 is more than the caliber of right pipe box 8.
By above-mentioned setting, can further augmentation of heat transfer, improve the 8-15% efficiency of heating surface.
Preferably, the internal diameter of left pipe box is R1, the internal diameter of right pipe box is R2, then 1.5<R1/R2<2.5.
It is preferably provided with by above-mentioned, enables to the efficiency of heating surface to reach most preferably.
Preferably, with more remote apart from the center of left pipe box 2, the distance between adjacent tube bank is increasing.
Preferably, the increasing amplitude of the distance between adjacent tube bank constantly increases.
It is preferably provided with by above-mentioned, can further improves the efficiency of heating surface, increases the uniformity of heating.By testing hair
It is existing, the 10-11% efficiency of heating surface can be improved by above-mentioned setting.
Preferably, with more remote apart from the center of left pipe box 2, the diameter of tube bank is increasing.
Preferably, the increasing amplitude of the diameter of tube bank constantly increases.
It is preferably provided with by above-mentioned, can further improves the efficiency of heating surface, increases the uniformity of heating.By testing hair
It is existing, 10% or so the efficiency of heating surface can be improved by above-mentioned setting.
Preferably, electric heater 13 is separately positioned in left pipe box 2 and right pipe box 8 as described in Fig. 2,3, i.e., the first electricity adds
Hot device 131 is arranged in left pipe box 2, and the second electric heater 132 is arranged in right pipe box 8.
Preferably, left pipe box 2 is identical with the length of right pipe box 8.
It is more than the caliber of right pipe box as the caliber of preferred left pipe box.
Preferably, as shown in Figure 2,3, when water heater is run, the heating power of the first electric heater 131 is more than
The heating power of second electric heater 132.By above-mentioned setting, it is found through experiments that, enables to the heating of hot water in water tank
It is more uniform.
Preferably, the heating power of the first electric heater 131 is 1.3-1.8 times of the power of the second electric heater 132,
Preferably 1.4-1.65 times.
Found in numerical simulation and corresponding experiment, left pipe box 2, the size of right pipe box 8 and primary heater 131
Proportionate relationship between secondary heater 132 can produce influence to the efficiency of heating surface and uniformity.If left pipe box 2 and the right side
The size difference of bobbin carriage 8 is too many, and primary heater 131 and the heating power of secondary heater 132 difference are smaller, then can produce
The efficiency of heating surface is low and non-uniform phenomenon occurs in heating, if similarly left pipe box 2, right pipe box 8 size disparity it is too small and the
One heater 131 and the heating power of secondary heater 132 difference also occur that the efficiency of heating surface is low and heating occurs not than larger
Uniform phenomenon.Therefore the present invention is summarized, by being tested by substantial amounts of numerical simulation to above-mentioned relation
Card.Obtain between left pipe box 2, the size of right pipe box 8 and primary heater 131 and the heating power of secondary heater 132
Best relation.
Preferably, the internal diameter of left pipe box is R1, the internal diameter of right pipe box is R2, and the power of the electrically heated rod of left pipe box is
P1, the power of the electrically heated rod of right pipe box is P2, meets following relation：
P1/P2=a* (R1/R2)2-b*(R1/R2)+c；
A, b, c are coefficients, wherein 0.82<a<0.91,1.95<b<2.05,2.67<c<2.77；
Wherein 58mm<R1<87mm；
29mm<R2<68mm；
1.2<R1/R2<2.1；It is preferred that, 1.5<P1/P2<2.3；
950W<P1<1500W；
400W<P2<1000W。
Preferably, with R1/R2 increase, a, c increases, b reduces.
Preferably, the quantity of tube bank is 3-5 roots, preferably 3 or 4.
Preferably, a=0.87, b=2, c=2.72.
The distance of left pipe box 2 and the center line of right pipe box 8 is 220-270mm；Preferably 240-250mm.
The radius of tube bank is preferably 10-25mm；
Preferably, in the tube bank adjacent thereto of the circular arc where the tube bank center line of left pipe box center line recently
The distance between circular arc where heart line (such as the distance between center of arc's line in Fig. 4 where tube bank A and B) is two pipes
1.1-2.0 times of beam mean outside diameter (outer dia), preferably preferably 1.2-1.7 times, 1.3-1.5 times.
The weighted average of two pipe diameters of average out to of the diameter of two tube banks.
Preferably, end part aligning of the tube bank in the same side, in approximately the same plane, the extended line of end (or end
The plane at place) by left pipe box 2 center line, as shown in Figure 5.
Further preferably, the electric heater 13 is electrically heated rod.
Preferably, as shown in figure 4, floating coiled pipe 1 inner side tube bank first end be connected with left pipe box 2, the second end and
One end connection is restrained in adjacent outside, and one end of the outermost tube bank of floating coiled pipe 1 is connected with right pipe box 8, adjacent tube bank
End is connected, so as to form the structure of a series connection.
Plane and the angle c of the plane formation where left pipe box 2 and the center line of right pipe box 8 where first end are 40-50
Degree.
Plane and the angle b of the plane formation where left pipe box 2 and the center line of right pipe box 8 where second end are 25-35
Degree.
Pass through the design of above-mentioned preferred angle so that the vibration of free end reaches most preferably, so that the efficiency of heating surface reaches
To optimal.
As shown in figure 4, the tube bank of floating coiled pipe is 4, tube bank A, B, C, D UNICOMs.Certainly, four are not limited to, can be with
It is arranged as required to multiple, specific attachment structure is identical with Fig. 4.
The floating coiled pipe 1 is multiple, and multiple floating coiled pipes 1 independently connect left pipe box 2 and right pipe box 8, i.e., multiple
Floating coiled pipe 1 is parallel-connection structure.
Electric heater unit of the present invention, as shown in figure 4, the left pipe box 2 is connected with floating coiled pipe A ends；Right pipe box 8
It is connected with floating coiled pipe D ends.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should
It is defined when by claim limited range.
Claims (5)
1. a kind of electric heater of overheating detection, the electric heater includes controller, electric heater unit, water tank, the electricity adds
Thermal is arranged in water tank, and the electric heater includes left side bobbin carriage, right side bobbin carriage and connects left side bobbin carriage and right side bobbin carriage
Heat exchanger tube, electric heater is set in left side bobbin carriage and/or right side bobbin carriage, and heat exchanger tube, left side bobbin carriage and right side bobbin carriage are formed
Heat fluid closed circulation；The electric heater unit also sets up pressure sensor, for detecting the pressure in electric heater unit；Institute
State electric heater unit, pressure sensor and controller and carry out data cube computation, the controller judges to add according to the pressure of detection
Whether thermal power is excessive, so that the operation of automatic controlled electric heating hydrophone；The heat-exchanging tube bundle is floating coiled pipe, floating coiled pipe and a left side
Side pipe case is connected with right side bobbin carriage, forms heating fluid closed circulation, and electrically heated rod is arranged on left side bobbin carriage and right side bobbin carriage
It is interior；Filling heating fluid in left side bobbin carriage, right side bobbin carriage and floating coiled pipe；Floating coiled pipe is one or more, each to float
Coil pipe includes the tube bank of many circular arc, and the center line of the tube bank of many circular arc is the circular arc of concentric circles, the end of adjacent tube bank
Portion is connected, so that the end of tube bank forms tube bank free end；The concentric circles is using the center of left side bobbin carriage as the center of circle
Circle.
2. electric heater as claimed in claim 1, it is characterised in that the caliber of the left pipe box is more than the caliber of right pipe box,
Set in the left pipe box and the second electric heater, the heating power of the first electric heater are set in the first electric heater, right pipe box
More than the heating power of the second electric heater.
3. electric heater as claimed in claim 2, it is characterised in that the internal diameter of left pipe box is R1, and the internal diameter of right pipe box is R2,
The power of the electrically heated rod of left pipe box is P1, and the power of the electrically heated rod of right pipe box is P2, meets following relation：
P1/P2=a* (R1/R2)2-b*(R1/R2)+c；
A, b, c are coefficients, wherein 0.82<a<0.91,1.95<b<2.05,2.67<c<2.77；
Wherein 58mm<R1<87mm；
29mm<R2<68mm；
1.2<R1/R2<2.1；
950W<P1<1500W；
400W<P2<1000W。
4. electric heater as claimed in claim 3, it is characterised in that with R1/R2 increase, a, c increases, b reduces.
5. electric heater as claimed in claim 3, it is characterised in that a=0.87, b=2, c=2.72.
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| CN201610643566.5A CN106016710B (en) | 2016-08-06 | 2016-08-06 | A kind of electric heater of intelligent overheating detection |
| CN201710447572.8A CN107062610B (en) | 2016-08-06 | 2016-08-06 | A kind of electric heater of intelligent measurement |
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| CN107062610B (en) | 2018-09-21 |
| CN106016710A (en) | 2016-10-12 |
| CN106016710B (en) | 2017-06-09 |
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