CN206539428U - A kind of three-in-one diesel fuel heater - Google Patents

Abstract

The utility model discloses a kind of three-in-one diesel fuel heater, including body, the body interior is provided with heating cavity volume, oil inlet pipe is provided with the body, the oil inlet pipe is connected with heating cavity volume insertion, and circulation oil duct is additionally provided with the body, the circulation oil duct insertion connection heating cavity volume and flowline, heating component is provided with the heating cavity volume, the heating component is connected with temperature switch, and level sensor is additionally provided with the body.The utility model is reasonable in design, small volume, compact conformation, and safe and reliable, and heating effect is good.

Description

A kind of three-in-one diesel fuel heater

Technical field

The utility model is related to fuel Heating field, and in particular to a kind of three-in-one diesel fuel heater.

Background technology

The effect of diesel fuel heater is Heating Diesel Fuel, makes the diesel oil of winter oil pipe oil-tank filter etc. the not shadow because of wax deposition Ring engine operation.Diesel fuel heater is installed it is first noted that the quality and the impact of performance of diesel fuel heater；Flood market at present It is mostly be heater strip heating, but this heater exists and directly heats the unsafe factor of fuel oil, and much diesel oil add Hot body product is larger, it is impossible to is applicable in the diesel fuel filter minimized, and designs unreasonable, using there are problems.

The content of the invention

The purpose of this utility model is to overcome the problem above that prior art is present, and there is provided a kind of three-in-one diesel oil Heater, the utility model is reasonable in design, small volume, compact conformation, and safe and reliable, and heating effect is good.

To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions：

A kind of three-in-one diesel fuel heater, including body, the body interior are provided with heating cavity volume, the body On be provided with oil inlet pipe, the oil inlet pipe is connected with heating cavity volume insertion, and circulation oil duct is additionally provided with the body, described to follow Heating component, the heating component and temperature are provided with ring oil duct insertion connection heating cavity volume and flowline, the heating cavity volume Level sensor is additionally provided with degree switch connection, the body.

Further, the temperature switch is arranged in heating cavity volume, and is arranged on oil inlet pipe side.

Further, wiring board, the wiring board and heating component, temperature switch and water level are additionally provided with the body Sensor is electrically connected.

Further, control cavity volume, the wiring board are additionally provided with along along the body of the level sensor length direction It is arranged in control cavity volume, the level sensor extremely controls to connect in cavity volume and with the wiring board through the heating cavity volume Connect.

Further, the level sensor includes two detection terminals, and two detection terminals are by coating shell Fixed, described detection terminal one end is connected by conversion terminal with wiring board, on the cladding shell of the detection terminal other end Sealing fit portion is provided with, the detection terminal protrudes from sealing fit portion end face.

Further, the conversion terminal includes being provided with two ribs on circular connecting pole, the circular connecting pole, It is provided between two ribs on sealing ring, one of rib and is provided with importing taper surface, another rib On be provided with unidirectional anti-back portion.

Further, the cladding shell includes internal layer shell and is coated on the outer casing of internal layer shell outer surface, The internal layer shell is made up of some sizing modules, and preset clearance, the outer shell body surface are provided between adjacent sizing module Face be provided with it is some keep away oily groove, the length direction for keeping away oily groove along the outer casing is set, the cladding shell position Some anticreep clamping convex portions are additionally provided with the surface of conversion terminal side, the anticreep clamping convex portion is connected with body fits, The portion of sealing against is additionally provided between the cladding shell and body.

Further, the detection terminal is made up of flat bonding jumper, and the flat bonding jumper is located at conversion terminal one end C-type clamping section is provided with, the c-type clamping section is set on conversion terminal, the c-type clamping section is interference fitted with conversion terminal Set.

Further, the circulation oil duct includes first connecting portion and second connecting portion, and the first connecting portion is arranged on On body, the second connecting portion is arranged on the body on the inside of first connecting portion, the first connecting portion and second connecting portion Between cooperatively form oil inlet passage, the oil inlet passage and heating cavity volume insertion are set on the body on the inside of the second connecting portion Oil outlet and sensor via are equipped with, the level sensor is by the way that in sensor via insertion heating cavity volume, described second connects Socket part cooperatively forms oil discharge passage with level sensor, and the oil outlet is connected with flowline.

Further, fuel-displaced cavity volume is additionally provided with the body of the control cavity volume side, the fuel-displaced cavity volume is by leading Oil-piping is tightly connected with oil outlet, and the fuel-displaced cavity volume is also connected with flowline insertion.

The beneficial effects of the utility model are:

1st, this heater by heating component and temperature switch be arranged in the lump heating cavity volume in, diesel fuel temperature can first when Between sensed by temperature switch, therefore, it is possible to more sensitive control heating component work, with good energy-saving effect Really, it is to avoid over-heating.

2nd, this heater set level sensor, can detect the height of diesel fuel filter water level inside, help in time Exclude the water that is filtered from diesel oil, it is ensured that diesel fuel filter can normal work, artificial erroneous judgement is it also avoid, without the moment Concern, improves performance.

3rd, level sensor is used cooperatively using more piece grafting, is only needed to conversion terminal and circuit plate weld during preparation, Subsequently by detection terminal partial insertion, preparation difficulty is greatly reduced, and can effectively ensure that level sensor and this Sealing effectiveness between body.

4th, the circulation oil duct stroke of this heater is short, and filtering is directly rapid, reduces the requirement to diesel oil mobilization dynamic, bavin Oil is directly on the lateral surface of filter core after flowing into diesel fuel filter, therefore can directly filter to filter core inside center hole, and The diesel oil filtered herein can be discharged directly along level sensor setting direction, and diesel oil will not do useless in diesel fuel filter Circulation, particularly diesel fuel filter bottom position, diesel oil, therefore also will not be to diesel fuel filter bottom here substantially without flowing The moisture of portion's filtering is stirred, it is to avoid the moisture stirred is taken up enters filtration core again, causes filter core to bear unnecessary Load is filtered, the life-span is reduced.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below Describe in detail bright as after.Embodiment of the present utility model is shown in detail by following examples and its accompanying drawing.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme in the utility model embodiment technology, embodiment technology will be retouched below The accompanying drawing used required in stating is briefly described, it should be apparent that, drawings in the following description are only the utility model Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.

Fig. 1 is overall structure diagram of the present utility model；

Fig. 2 is cross section structure schematic diagram of the present utility model；

Fig. 3 is the structural representation of level sensor of the present utility model；

Fig. 4 is conversion terminal structural representation of the present utility model；

Fig. 5 is detection terminal of the present utility model and conversion terminal attachment structure schematic diagram；

Fig. 6 is level sensor partial cross section structural representation of the present utility model；

Fig. 7 is the surface texture schematic diagram that body of the present utility model is located at circulation oil duct side；

Fig. 8 is the bottom surface structure schematic diagram that body of the present utility model is located at circulation oil duct side；

Fig. 9 is diesel oil runner schematic diagram when the utility model is used.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Shown in reference picture 1 and Fig. 2, a kind of three-in-one diesel fuel heater, including body 1, body as support carrier, To carry oil inlet pipe, circulation oil duct, flowline, heating component, temperature switch and level sensor body and one, coordinate diesel oil Cleaner is used, the direct abutting joint of Integral design, easy to operate reliable, and once fixation can be reduced effectively at sealing Manage difficulty.

Its body interior is provided with heating cavity volume 2, heating cavity volume and is provided with heating component 7, and heating component is opened with temperature Close 8 to connect, temperature switch is connected in the power circuit of heating component, by temperature switch the perception of diesel fuel temperature is detected with The action being turned on or off is done in power circuit, the control worked heating component is realized, it is to avoid the uninterrupted work of heating component Make, reduction energy consumption and raising service life；

Oil inlet pipe 3 is that insertion is connected with heating cavity volume, i.e., diesel oil directly enters and flowed into heating cavity volume from oil inlet pipe Portion is heated, and temperature switch is arranged in heating cavity volume, and is arranged on oil inlet pipe side so that without heated fuel oil energy Enough impact temperature is switched while heating cavity volume is entered, that is, enables temperature switch to perceive the temperature for being heated preceding diesel oil, Its perception is direct and quick, by the perception of temperature, the very first time can carry out computer heating control to heating component.

Oil duct 4 is circulated the diesel oil of heating is imported in diesel fuel filter, and the diesel oil filtered is exported to realize Circulating effect, circulating oil duct insertion connection heating cavity volume and flowline 6, and circulating oil duct can be designed to and diesel fuel filter Coordinate the structure installed, realize and fix, to reduce the design of extra fixed structure.

Level sensor 9 with coordinate diesel fuel filter using and stretch into diesel fuel filter bottom, for perceiving diesel oil filtering Water level inside device, when aqueous is excessive, is touched after level sensor, you can be detected, to show to need inside cleaner Release, without thinking to judge operation, the problem of directly avoiding erroneous judgement.

Wiring board 10 is additionally provided with above-mentioned body, wiring board is electrically connected with heating component, temperature switch and level sensor Connect, to play the functions such as control, energization, Integral design reduces heater volume, and because wiring board and above-mentioned part need Connection, therefore there is conducting connecting hole between control cavity volume and heating cavity volume, inside sets connection terminal, to connection line Sealing ring can be set to reach sealing effectiveness on component in plate and heating cavity volume, its connection terminal, can also set close The convex portion of interference fit is set after seal on connection terminal surface, and to reach good sealing effectiveness, seal means are not limited.

The cooperation position relation between fixation and connection component for the ease of wiring board, along level sensor length A control cavity volume 11 is designed on the body in direction, i.e., design controls cavity volume, heating cavity volume successively in the rectilinear direction of body one And level sensor, extremely control cavity volume is interior and is connected with wiring board through heating cavity volume for level sensor, which obviates water level biography The connection of sensor and wiring board needs bending, and level sensor can also be placed in the centre position of integral body, with The structure of filter core in diesel fuel filter is closed, the bottom position that diesel oil filtering is placed in the middle part of filter core is can extend into, wiring board is set Put in control cavity volume, and fixation, waterproof anti-corrosion pollution are covered by PUR, and consolidate.

As shown in Figures 3 to 6, above-mentioned level sensor includes two detection terminals 12, and two detection terminals pass through bag Cover shell 15 to fix, it is ensured that it sets intensity, detection terminal one end is connected by conversion terminal 13 with wiring board, conversion terminal Connected for both and be provided with sealing fit portion 14 on tie, the cladding shell of the detection terminal other end, detection terminal protrudes from close Envelope coordinates end surface；Sealing fit portion, which with the centre bore of filter core can coordinate, abuts sealing, and detection terminal stretches out in sealing Coordinate after end surface on diesel fuel filter bottom position, liquid level will contact inspection after rising to warning position after moisture accumulation Survey terminal so that two detection terminal formation galvanic circles, trigger level sensor.

Above-mentioned conversion terminal includes being provided with two ribs 17 on circular connecting pole 16, circular connecting pole, two reinforcements It is provided with sealing ring, one of rib to be provided with importing taper surface 18, another rib between portion and is provided with list To anti-back portion 19, two ribs are capable of the position of positioning seal ring, and when in the body for inserting heater, sealing ring will not be moved Position, and rib can also play sealing function, and the installation settings that taper surface is easy to sealing ring is imported, treat whole heater After assembling terminates, then cladding shell plugged with detection terminal and can be achieved to be connected, it is set by unidirectional anti-back portion After meter, when plugging, the active force between detection terminal and conversion terminal does not result in conversion terminal displacement, realizes good connect Touch, sealing fit portion is with coordinating the filter core fitted seal formation runner inside diesel fuel filter.

Cladding shell includes internal layer shell and is coated on the outer casing 21 of internal layer shell outer surface, if internal layer shell by Dry sizing module 22 is constituted, and is provided with preset clearance 23 between adjacent sizing module, internal layer shell is in advance by two detection terminals It is fixed, overall structure is then prepared by outer casing, it is to avoid injection pressure is excessive and causes detection terminal flexural deformation, wherein Cause that there is extremely strong degree of being connected firmly between outer casing and internal layer shell between reserved, will not separate, improve integrated effect, Avoid disconnecting, outer casing surface be provided with it is some keep away oily groove 24, keep away length direction of the oily groove along outer casing and set, energy The circulation of diesel oil is enough increased, the rate of filtration is improved, cladding shell is additionally provided with some anti-positioned at the surface of conversion terminal side Off card connects convex portion 25, and anticreep clamping convex portion is connected with body fits so that can not directly be removed after level sensor insertion, it is ensured that The firmness of integrative-structure, is additionally provided with the portion of sealing against 26, to ensure runner in heater between cladding shell and body Sealing effectiveness, improves product quality.

Detection terminal is made up of flat bonding jumper, and flat bonding jumper is provided with c-type clamping section 27 positioned at conversion terminal one end, C-type clamping section is set on conversion terminal, and c-type clamping section is interference fitted with conversion terminal and set, and prepared by c-type clamping section simply may be used Lean on, and be not in the problems such as connection is not firm after grafting cooperation, it is ensured that the stability in use of level sensor；C-type clamp is tight Bending part is additionally provided between portion and detection terminal, to ensure that c-type clamping section is in the space residing for cladding shell radial section Interior, so when plugging, c-type clamping section will not be blocked, and can be directly entered in body.

As shown in Figure 7 and Figure 8, above-mentioned circulation oil duct includes first connecting portion 28 and second connecting portion 29, first connecting portion Be arranged on body, second connecting portion is arranged on the body on the inside of first connecting portion, first connecting portion and second connecting portion it Between cooperatively form oil inlet passage 30, oil inlet passage and heating cavity volume insertion are provided with the body on the inside of second connecting portion fuel-displaced Hole 31 and sensor via 32, level sensor is by the way that in sensor via insertion heating cavity volume, second connecting portion is passed with water level Sensor cooperatively forms oil discharge passage 33, and oil outlet is connected with flowline.

Because oil discharge passage is in center section, also for the volume size of control heater, therefore control cavity volume is reduced Volume, fuel-displaced cavity volume 34 is set in the body of side, and fuel-displaced cavity volume is tightly connected by Oil Guide pipeline and oil outlet, fuel-displaced Cavity volume is also connected with flowline insertion, and the diesel oil after filtering enters fuel-displaced cavity volume from oil discharge passage, is then discharged again from flowline, Ultimate attainment space utilization is realized, which is applied to the structure of oil inlet pipe and flowline positioned at the same side and used, when flowline position Put when not limiting, can also separately make design and change above-mentioned position relationship.

The volume size for being designed to ensure heating cavity volume in above-mentioned space, it is ensured that with enough heating environments.

As shown in figure 9, the schematic cross-section on diesel fuel filter is arranged on for this heater, and can from the flow direction of arrow To find out, when in use, diesel oil enters this heater from oil inlet pipe, is directly impinged after on temperature switch, then in court To heating cavity volume internal flow, then the oil inlet passage again between first connecting portion and second connecting portion flow out to diesel fuel filter In clear device, first connecting portion and second connecting portion coordinate diesel oil after cleaner installation to be merely able to flow to periphery from the surface of filter core, Filter core central hole location can not be directly entered, wherein, level sensor is directly inserted in filter core center on the inside of second connecting portion In hole, sealing fit portion and the filter core centre bore fitted seal of its end stop that diesel oil is flowed into centre bore from filter core bottom, because This, diesel oil can only enter filter core center from side, form effectively filtering, it can be seen that diesel oil is directly from cartridge surface Flow direction side, then immediately proceeds to filter core, its flowing will not be impacted to filter core bottom, therefore the moisture of bottom accumulation will not Moment is influenceed by the diesel oil flowed and is stirred and is again brought into filter element filtering, it is to avoid invalid filtering, also effectively carries The high service life of filter core, diesel oil has directly been come filter core centre bore, level sensor and second connecting portion after being filtered and matched somebody with somebody The oil discharge passage formed is closed, can directly be discharged along oil discharge passage, inflow, heating, filtering and the discharge of above-mentioned diesel oil are formed Flow passage route it is shorter, without unnecessary useless flow path, therefore, it is possible to substantially reduce the actuating pressure of oil pump, improved Filter oil yield efficiency, and it is above-mentioned be designed to coordinate cleaner general and conventional on the market to use, without making volume to filter core Outer design, reduces use cost.

The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (10)

1. a kind of three-in-one diesel fuel heater, it is characterised in that：Including body, the body interior is provided with heating and held Oil inlet pipe is provided with chamber, the body, the oil inlet pipe is connected with heating cavity volume insertion, and circulation is additionally provided with the body Heating component is provided with oil duct, the circulation oil duct insertion connection heating cavity volume and flowline, the heating cavity volume, it is described to add Hot component is connected with temperature switch, and level sensor is additionally provided with the body.

2. a kind of three-in-one diesel fuel heater according to claim 1, it is characterised in that：The temperature switch is set In heating cavity volume, and it is arranged on oil inlet pipe side.

3. a kind of three-in-one diesel fuel heater according to claim 1, it is characterised in that：Also set up on the body There is wiring board, the wiring board is electrically connected with heating component, temperature switch and level sensor.

4. a kind of three-in-one diesel fuel heater according to claim 3, it is characterised in that：Along the level sensor Control cavity volume is additionally provided with the body of length direction, the wiring board is arranged in control cavity volume, and the level sensor is worn Cross in the heating cavity volume to control cavity volume and be connected with the wiring board.

5. a kind of three-in-one diesel fuel heater according to claim 4, it is characterised in that：The level sensor bag Two detection terminals are included, two detection terminals are fixed by coating shell, described detection terminal one end passes through conversion terminal It is connected with wiring board, sealing fit portion, the detection terminal protrusion is provided with the cladding shell of the detection terminal other end In sealing fit portion end face.

6. a kind of three-in-one diesel fuel heater according to claim 5, it is characterised in that：The conversion terminal includes It is provided with circular connecting pole, the circular connecting pole between two ribs, two ribs and is provided with sealing ring, its In be provided with importing taper surface on a rib, unidirectional anti-back portion is provided with another rib.

7. a kind of three-in-one diesel fuel heater according to claim 5, it is characterised in that：The cladding shell includes Internal layer shell and the outer casing for being coated on internal layer shell outer surface, the internal layer shell are made up of some sizing modules, phase Be provided with preset clearance between neighbour's sizing module, the outer casing surface be provided with it is some keep away oily groove, it is described to keep away oily groove Set along the length direction of the outer casing, the surface that the cladding shell is located at conversion terminal side is additionally provided with some anti- Off card connects convex portion, and the anticreep clamping convex portion is connected with body fits, and sealing is additionally provided between the cladding shell and body Abutting part.

8. a kind of three-in-one diesel fuel heater according to claim 5, it is characterised in that：The detection terminal is by flat Shape bonding jumper is made, and the flat bonding jumper is provided with c-type clamping section positioned at conversion terminal one end, and the c-type clamping section is arranged On conversion terminal, the c-type clamping section is interference fitted with conversion terminal and set.

9. a kind of three-in-one diesel fuel heater according to claim 7, it is characterised in that：The circulation oil duct includes First connecting portion and second connecting portion, the first connecting portion are arranged on body, and the second connecting portion is arranged on the first company On body on the inside of socket part, oil inlet passage, the oil inlet passage are cooperatively formed between the first connecting portion and second connecting portion Oil outlet and sensor via are provided with the body on the inside of cavity volume insertion, the second connecting portion with heating, the water level is passed Sensor is heated in cavity volume by the insertion of sensor via, and the second connecting portion cooperatively forms oil discharge passage with level sensor, The oil outlet is connected with flowline.

10. a kind of three-in-one diesel fuel heater according to claim 9, it is characterised in that：The control cavity volume one Fuel-displaced cavity volume is additionally provided with the body of side, the fuel-displaced cavity volume is tightly connected by Oil Guide pipeline and oil outlet, described fuel-displaced Cavity volume is also connected with flowline insertion.