CN208057291U - Posive temperature coefficient thermistor fuel Heating atomizer - Google Patents
Posive temperature coefficient thermistor fuel Heating atomizer Download PDFInfo
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- CN208057291U CN208057291U CN201820560552.1U CN201820560552U CN208057291U CN 208057291 U CN208057291 U CN 208057291U CN 201820560552 U CN201820560552 U CN 201820560552U CN 208057291 U CN208057291 U CN 208057291U
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- atomizer
- bottom cover
- coefficient thermistor
- pedestal
- oil
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Abstract
The utility model patent is a kind of posive temperature coefficient thermistor fuel Heating atomizer, the lead of attaching plug (1) is connect across atomizer bottom cover (2) with electrode intermediate plate (4), and posive temperature coefficient thermistor heated at constant temperature piece (5) is fixed on by electrode intermediate plate (4) on atomizer bottom cover (2)；Atomizer bottom cover (2) is fixed by three pieces of cross recessed pan head tapping screws with atomizer pedestal；Atomizer (8) is connect with oil nozzle seat (7) spiral；Oil nozzle seat (7) is connect with atomizer pedestal (3) spiral, and oil nozzle seat (7) is ensured to seal with atomizer pedestal (3) junction by sealing ring (6).The utility model can keep flow through the rising of the diesel fuel temperature inside atomizer, be higher than environment temperature, and after the fuel oil of heating is from atomizer ejection, atomizing effect is better than the fuel oil of environment temperature.
Description
Technical field：
The utility model is related to a kind of posive temperature coefficient thermistor fuel Heating atomizers.
Background technology：
The burning velocity and efficiency of combustion of fuel oil depend on the mixed effect of fuel oil and air, oil droplet after atomization
Diameter is smaller, and the atomizing effect of fuel oil is better, and the mixing of fuel oil and air is more abundant, and efficiency of combustion is got in the unit interval
It is high.The fuel oil that apparatus for fuel heating uses is mostly the fuel oil of the types such as diesel oil, since such oil product viscosity is larger, through overvoltage
After power pump provides pressure, after being sprayed by atomizer, atomizing effect is very poor, causes efficiency of combustion low.Influence the evaporation fog of oil droplet
Change speed other than the pressure of atomizer, the temperature of fuel oil is also to influence a principal element of atomizing effect, when injection pressure
When certain, the principal element whether factor of temperature becomes fuel atomization effect fully, the higher fuel oil viscosity of temperature and table
Face tension is smaller, and the inner tensions of oil droplet is made to reduce and improve atomization quality.
It is to use steam in pipeline front end before fuel oil reaches atomizer that tradition, which improves fuel oil temperature and reduces the mode of viscosity,
Heating, this heating device is more complicated and sufficiently bulky, and is not suitable for the requirement of vehicle-mounted fuel oil warmer.Therefore it finds a kind of
Small, efficient fuel Heating mode structure is to improve the urgent of oil atomizing effect of vehicle-mounted apparatus for fuel heating to be essential
It asks.
Invention content：
The purpose of this utility model is to provide a kind of product structure improving fuel oil heating system atomizer atomizing effect,
Promotion passes through the fuel oil temperature of atomizer simultaneously, reduces the volume of heated fuel oil component as possible.The technical solution of the utility model
It is：A kind of posive temperature coefficient thermistor fuel Heating atomizer, by attaching plug 1, atomizer bottom cover 2, atomizer pedestal 3,
Electrode intermediate plate 4, posive temperature coefficient thermistor heated at constant temperature piece 5, sealing ring 6, oil nozzle seat 7, atomizer 8 form, attaching plug 1
Lead connect with electrode intermediate plate 4 across atomizer bottom cover 2, posive temperature coefficient thermistor heated at constant temperature piece 5 is by electrode intermediate plate 4
It is fixed on atomizer bottom cover 2；Atomizer bottom cover 2 is linked together by cross recessed pan head tapping screw and atomizer pedestal 3；
Atomizer 8 is connect with oil nozzle seat 7 by the way of being threadedly coupled；Oil nozzle seat 7 is with atomizer pedestal 3 by the way of being threadedly coupled
Sealing ring 6 is assembled in connection between oil nozzle seat 7 and atomizer pedestal 3.
The operation principle of the utility model：
Posive temperature coefficient thermistor heater, by posive temperature coefficient thermistor semiconductive ceramic heater element and aluminum pipe
Composition.Have the advantages that thermal resistance is small, heat exchange efficiency is high, be a kind of automatic constant-temperature, power saving electric heater.When positive temperature coefficient heat
When after quick resistance semi resistance heating being more than certain temperature (Curie temperature), its resistance value enters jump with the raising of temperature
Become area, generates heated at constant temperature effect so that posive temperature coefficient thermistor surface temperature, which is kept, achievees the effect that constant temperature.
The outstanding feature of posive temperature coefficient thermistor heating plate is in security performance, will not under any applicable cases
Surface " rubescent " phenomenon such as electric heating tubing heater is generated, to effectively avoid scalding, the security risks such as fire.For easy
In combustion or the heating of flammable liquid, there is the advantage that other heater elements cannot compare.
Attaching plug connects 24V DC power supplies, is powered up, is made to posive temperature coefficient thermistor heated at constant temperature piece by electrode
Heating plate temperature rise, the characteristic based on posive temperature coefficient thermistor, heating plate can maintain 220 DEG C or so of temperature always
It spends in range
Fuel oil enters inside by the oil pipe of connection atomizer, due to the constant positive temperature system at 220 DEG C or so of temperature
Number thermistor heating plates inside fuel oil runner, out of runner by fuel oil can therewith temperature promoted, in this way pressure, spray
In the case that the factors such as oil nozzle diameter are constant, the fuel oil that temperature is promoted can be much larger than under room temperature from the atomizing effect that atomizer sprays
Fuel oil.
The technique effect of the utility model：
Heating device uses the mode for increasing steam conduction heating outside oil circuit, heating device before conventional fuel injection
Complicated and volume is big, and component is various, and disassembly process is complicated, and thermal conversion efficiency is low, causes application range relatively narrow, is particularly unsuitable for
On vehicle-mounted and mobile fuel oil equipment.
The utility model, by calandria posive temperature coefficient thermistor part equipment in atomizer, volume is small, very
It is suitble to vehicle-mounted and mobile fuel oil equipment to use；Simple in structure, component dismounting is very convenient, easy to repair, replacement；Positive temperature coefficient
Thermal conversion efficiency is high in use for thermistor heating device, and since the heat generation characteristic of posive temperature coefficient thermistor makes
It effectively prevents " rubescent " phenomenon when heater is powered on during fever, effectively prevents working in fuel oil and lead
The hidden danger of igniting caused.
The effect of fuel-oil atmozation directly affects the efficiency of combustion of fuel oil, and the factor for influencing fuel-oil atmozation mainly has for oil pressure
Power, the aperture of nozzle, fuel oil the several respects such as viscosity factor, under the premise of charge oil pressure is constant, nozzle bore is constant, temperature
The height of degree is an important factor for determining fuel atomization effect.
The posive temperature coefficient thermistor heating plate of the utility model can keep temperature constant 220 in the energized state
DEG C or so in range, the diesel fuel temperature inside atomizer can be kept flow through and risen, environment temperature is higher than, the fuel oil by heating from
After atomizer sprays, atomizing effect is better than the fuel oil of environment temperature.
Description of the drawings：
Fig. 1 is fuel Heating atomizer structural schematic diagram
Fig. 2 is the partial enlarged view of Fig. 1
Specific implementation mode：
As shown in Figure 1, a kind of posive temperature coefficient thermistor fuel Heating atomizer, by attaching plug 1, atomizer bottom cover
2, atomizer pedestal 3, electrode intermediate plate 4, posive temperature coefficient thermistor heated at constant temperature piece 5, sealing ring 6, oil nozzle seat 7, atomizer 8
Composition, as shown in Fig. 2, the lead of attaching plug 1 is connect across atomizer bottom cover 2 with electrode intermediate plate 4, positive temperature coefficient temperature-sensitive electricity
Resistance heated at constant temperature piece 5 is fixed on by electrode intermediate plate 4 on atomizer bottom cover 2；Atomizer bottom cover 2 passes through cross recessed pan head tapping screw
It links together with atomizer pedestal 3；Atomizer 8 is connect with oil nozzle seat 7 by the way of being threadedly coupled；Oil nozzle seat 7 and oil spout
Gonys seat 3 is connected by the way of being threadedly coupled, and sealing ring 6 is assembled between oil nozzle seat 7 and atomizer pedestal 3, prevents atomizer
Interior fuel oil is along the exudation of assembly gap.
Claims (1)
1. a kind of posive temperature coefficient thermistor fuel Heating atomizer, it is characterized in that：By attaching plug (1), atomizer bottom cover
(2), atomizer pedestal (3), electrode intermediate plate (4), posive temperature coefficient thermistor heated at constant temperature piece (5), sealing ring (6), oil nozzle
Seat (7), atomizer (8) composition, the lead of attaching plug (1) are connect across atomizer bottom cover (2) with electrode intermediate plate (4), positive temperature
Degree coefficient resistance heated at constant temperature piece (5) is fixed on by electrode intermediate plate (4) on atomizer bottom cover (2)；Atomizer bottom cover (2) is logical
Cross recessed pan head tapping screw is crossed to link together with atomizer pedestal (3)；Atomizer (8) is connected with oil nozzle seat (7) using screw thread
The mode connect connects；Oil nozzle seat (7) is connect with atomizer pedestal (3) by the way of being threadedly coupled, oil nozzle seat (7) and atomizer
Sealing ring (6) is assembled between pedestal (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820560552.1U CN208057291U (en) | 2018-04-19 | 2018-04-19 | Posive temperature coefficient thermistor fuel Heating atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820560552.1U CN208057291U (en) | 2018-04-19 | 2018-04-19 | Posive temperature coefficient thermistor fuel Heating atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057291U true CN208057291U (en) | 2018-11-06 |
Family
ID=63983202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820560552.1U Active CN208057291U (en) | 2018-04-19 | 2018-04-19 | Posive temperature coefficient thermistor fuel Heating atomizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057291U (en) |
-
2018
- 2018-04-19 CN CN201820560552.1U patent/CN208057291U/en active Active
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