CN210317528U

CN210317528U - Fuel oil heating device for automobile engine

Info

Publication number: CN210317528U
Application number: CN201921085253.8U
Authority: CN
Inventors: 于策; 周水衫; 姜海波; 赵玲; 沈立川
Original assignee: Hebei Zhongchi Electronic Technology Co ltd
Current assignee: Hebei Zhongchi Electronic Technology Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-14
Anticipated expiration: 2029-07-11

Abstract

The utility model provides an automobile engine fuel heating device belongs to engine technical field, including casing, heating element and temperature control assembly, be equipped with oil inlet and oil-out on the casing, the temperature controller can be given to the thermal conduction post ability conduction fuel calorific value, and temperature controller control heating assembly is to the oil heating, and temperature control assembly is connected with the heating element electricity for the fuel temperature of monitoring through the oil inlet inflow, and the operation of control heating assembly. The utility model provides a pair of automobile engine fuel heating device can monitor the oil temperature of oil inlet through temperature control component to can control heating element to heat fuel, heating, heat transfer rate are fast, collect heating, control by temperature change in an organic whole, have the fuel temperature to the engine controllable, small, it is convenient to install on the filter, to the high technological effect of oil heating efficiency.

Description

Fuel oil heating device for automobile engine

Technical Field

The utility model belongs to the technical field of the engine, more specifically say, relate to an automobile engine fuel heating device.

Background

The large-scale truck and the engineering machinery both use fuel oil engines, and when the fuel oil engines are used in low-temperature seasons or regions, the fuel oil is not fully combusted due to large viscosity, poor fluidity and poor atomization effect of diesel oil, so that the energy consumption is increased. Even cause wax precipitation and icing in the filter to block a filter screen, a pipeline and the like, and cause the faults of difficult starting of an engine, sudden flameout in a traveling process and the like. At present, diesel oil circulating in the market often contains moisture, and particularly when the temperature is lower than the condensation point of the water, the water is condensed and frozen to cause oil circuit blockage, so that the normal oil supply of a fuel oil system is influenced, an engine cannot normally work, even parts of the fuel oil system are damaged, and the normal work of the fuel oil system is seriously influenced. Therefore, adding a preheating device to the fuel system has become the most urgent requirement of the automobile market.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile engine fuel heating device aims at solving and is big, mobility is poor, the fuel combustion is insufficient in fuel viscosity in low temperature season, the technical problem of engine start difficulty.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a fuel heating device for an automobile engine, comprising:

the shell is of a rod-shaped structure and is provided with an oil inlet and an oil outlet;

the heating assembly is arranged in the shell and close to the oil outlet and is used for heating fuel oil flowing in through the oil inlet; and

the temperature control assembly is arranged at a position close to an oil inlet in the shell and used for monitoring the temperature of fuel flowing in through the oil inlet, the temperature control assembly is electrically connected with the heating assembly and comprises a temperature controller and a heat conduction column, wherein the temperature controller is fixedly arranged in the shell, one end of the heat conduction column is abutted to a temperature sensing surface of the temperature controller, the other end of the heat conduction column is used for monitoring the temperature of the oil inlet, the temperature of the oil monitored by the heat conduction column is transmitted to the temperature controller, and the.

Further, the heating assembly comprises a first electrode plate, a second electrode plate and a plurality of heating plates; the heating plate is arranged between the first electrode plate and the second electrode plate and is clamped tightly through a spring piece or a screw; the heating plate is electrically conducted through the first electrode plate and the second electrode plate and used for heating fuel oil.

Further, the first electrode plate and the second electrode plate are electrically connected with the temperature controller through electrode columns respectively.

Further, the casing includes casing and lower casing, go up the casing with casing threaded connection or lock joint down, go up the casing with be the L type after the casing is connected down.

Further, the upper shell and the lower shell are both integrally injection-molded.

Further, the fuel oil heating device for the automobile engine further comprises a power supply assembly, the output end of the power supply assembly is connected with the input end of the heating assembly and the input end of the temperature control assembly through wiring harnesses respectively, and the power supply assembly is arranged outside the filter.

Furthermore, the side part of the shell is provided with a long strip-shaped through hole for mounting the heating assembly, and a rectangular through hole for mounting the temperature control assembly is formed in the position, close to the oil inlet, of the end part of the shell.

Furthermore, the shell also comprises a side cover for covering the long strip-shaped through hole and an upper cover for covering the rectangular through hole.

Further, the heating plate is a PTC heating plate.

Further, the wire harness is fixed by a fixing plate provided in the housing.

The utility model provides a pair of automobile engine fuel heating device's beneficial effect lies in: compared with the prior art, the utility model relates to an automobile engine fuel heating device sets up heating element and temperature control component in the casing, the heat conduction post can monitor the fuel temperature of oil inlet, transmit for the temperature controller, can control heating element and heat or break off the heating to the fuel, heat transfer rate is fast, collect heating and control by temperature change in an organic whole, fuel temperature control is stable, it is big to have solved fuel viscosity in low temperature season, the mobility is poor, the fuel burning is insufficient, the engine starts the difficult technical problem, it is controllable to have the fuel temperature of engine, small, it is convenient to install on the filter, the high technological effect of fuel heating efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a fuel heating device of an automobile engine according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a fuel heating device of an automobile engine according to an embodiment of the present invention;

fig. 3 is an assembly schematic view of a fuel oil heating device of an automobile engine applied to a filter tank base according to another embodiment of the present invention;

fig. 4 is a heating schematic block diagram of a fuel heating device of an automobile engine according to an embodiment of the present invention.

In the figure: 1. a housing; 2. a heat-conducting column; 3. a wire harness joint; 4. a first electrode sheet; 5. a second electrode sheet; 6. a heating plate; 7. an oil inlet; 8. an inner cavity; 9. a temperature controller; 10. an upper cover; 11. a lower housing; 12. an upper housing; 13. a fixing plate; 14. connecting sheets; 15. an electrode column; 16. a screw; 17. a seal ring; 18. an installation table; 19. a side cover; 20. an O-shaped sealing ring; 21. a wire pressing plate; 22. a harness connector; 23. a fuel chamber of the filter.

The arrows in fig. 1 indicate the direction of flow of the fuel.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 4, a fuel heating device for an automobile engine according to the present invention will now be described. The utility model provides an automobile engine fuel heating device, includes casing 1, heating element and temperature control assembly, and heating element and temperature control assembly all establish in casing 1, are used for heating the fuel respectively and monitor the fuel temperature that flows through casing 1.

The shell 1 is arranged at the bottom of the filter and is of a rod type structure, and an oil inlet 7 and an oil outlet are formed in the shell 1.

The heating assembly is arranged in the shell 1 and close to the oil outlet and is used for heating fuel oil flowing in through the oil inlet 7.

The temperature control component is arranged at a position, close to the oil inlet 7, in the shell 1 and used for monitoring the temperature of fuel flowing in through the oil inlet 7 and electrically connected with the heating component, and comprises a temperature controller 9 fixedly arranged in the shell 1, a heat conduction column 2 of which one end is abutted against a temperature sensing surface of the temperature controller 9 and the other end is used for monitoring the oil temperature of the oil inlet 7, the oil temperature monitored by the heat conduction column 2 is transmitted to the temperature controller 9, and the temperature controller 9 controls the conduction or disconnection with the heating component.

The utility model provides a pair of automobile engine fuel heating device, compared with the prior art, set up heating element and temperature control assembly in casing 1, the fuel temperature of heat conduction post 2 monitoring oil inlet 7, the transmission is for temperature controller 9, and can control heating element to heat or break off the heating to the fuel, heat transfer rate is fast, collect heating and control by temperature change in an organic whole, fuel temperature control is stable, it is big to have solved fuel viscosity in low temperature season, the mobility is poor, the fuel burning is insufficient, the engine starts the technical problem of difficulty, it is controllable to have the fuel temperature to the engine, small, it is convenient to install on the filter, technical effect high to fuel heating efficiency.

In a specific embodiment, the oil inlet 7 of the housing 1 is communicated with the fuel oil cavity 23 of the filter, the housing 1 is of a hollow structure, openings are formed in two ends of the housing 1, namely the oil inlet 7 and the oil outlet, the housing 1 is placed in the filter and is fixedly connected with the bottom of the filter in a bolt connection mode, and therefore space is saved. The heat conduction post 2 of the temperature control assembly leaks at the oil inlet 7, and is in contact with fuel, the temperature controller 9 is not in contact with the fuel, the fuel flows in from the oil inlet 7 of the shell 1, flow through the heat conduction post 2 of the temperature control assembly firstly, then flow through the heating assembly, finally flow out from the oil outlet, the heat conduction post 2 can transmit the oil temperature for the temperature controller 9, the temperature controller 9 can control the operation or disconnection of the heating assembly, and then can heat the fuel or disconnect the heating fuel, through the control of the temperature controller 9, the temperature of the fuel flowing through the shell 1 is kept stable, or is maintained in a stable range, the heating assembly and the temperature control assembly are connected with the power outside the shell 1 through wiring harnesses, or are connected with a vehicle-mounted power supply in an.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the heating assembly includes a first electrode plate 4, a second electrode plate 5 and a plurality of heating plates 6; wherein, the heating sheets 6 are a combined heating body consisting of at least two, preferably three heating sheets 6, and the heating sheets 6 are connected in series; the heater chip 6 is disposed between the first electrode chip 4 and the second electrode chip 5 and is clamped by a spring or screw 16. First electrode slice 4 and second electrode slice 5 can conduction current give heating plate 6 simultaneously, and heating plate 6 produces the electrothermal quantity and heats fuel, and heating plate 6 is series connection, and rate of heating is fast, can improve heating element and fuel heating efficiency.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, an electrode column 15 is further connected to the upper ends of the first electrode plate 4 and the second electrode plate 5, the electrode column 15 is electrically connected to the temperature controller 9, the electrode column 15 is connected to the wire harness through a connecting piece 14, the electrode column 15 is pressed into the inside of the housing 1 in an interference fit manner, and is sealed by an O-shaped sealing ring 20. The electrode column 15 is a terminal led out by the first electrode plate 4 and the second electrode plate 5, the terminal is connected with the temperature controller 9 and can conduct current, the heating plate 6 is not directly electrically connected with the temperature controller 9 and generates heat through the current flowing through the first electrode plate 4 and the second electrode plate 5, the first electrode plate 4 and the second electrode plate 5 are not electrified, and no current exists on the heating plate 6.

When the heater is installed, the first electrode plate 4 is firstly installed in the shell 1, the plurality of heating plates 6 are installed on the first electrode plate 4, then the second electrode plate 5 is installed, and finally the first electrode plate 4 and the second electrode plate 5 are fastened through the spring piece or the screw 16, so that the plurality of heating plates 6 are clamped by the first electrode plate 4 and the second electrode plate 5, the heating plates 6 are prevented from falling, the stability is guaranteed, and the electric conduction performance of the first electrode plate 4 and the second electrode plate 5 to the heating plates 6 is good.

In a specific embodiment, the heating assembly has high thermal efficiency, and the heating mode of the heating assembly is embedded, so that the waste of heat of an external device is avoided, and the heat utilization rate of oil circuit heating is improved.

In a specific embodiment, be equipped with the heat-conducting plate on the temperature sensing face of temperature controller 9, the heat-conducting plate bonds together through heat conduction glue with the tip of heat conduction post 2, and heat-conducting plate and heat conduction glue homoenergetic conduct heat to heat conduction post 2 monitors the heat conduction of fuel and gives temperature controller 9, and the simple structure of heat conduction post 2 compares in relying on the effectual of plastics wall thickness heat transfer, and heat transfer temperature sensing is fast, and is efficient, can not reduce the heat conduction effect.

The temperature controller 9 is fixedly arranged in the shell 1 and is not contacted with fuel oil, one end of the heat conducting column 2 is contacted with the fuel oil, and the temperature controller 9 is electrically connected with the first electrode plate 4 and the second electrode plate 5 and is used for controlling the connection or disconnection of the heating plate 6; the temperature controller 9 can start or break off the heating of heating plate 6 to the fuel for the fuel can be controlled in a stable within range, the external power supply of 1 outside of casing is connected to the power of temperature controller 9 and heating element, and the start or the disconnection of heating element is controlled to temperature controller 9, and the reaction is sensitive.

The heat conducting column 2 is a component for conducting heat, one end of the heat conducting column is connected with the temperature sensing surface of the temperature controller 9, and the other end of the heat conducting column is arranged at the oil inlet 7 in a hanging mode and used for collecting the oil temperature of the oil inlet 7 and conducting the oil temperature to the temperature controller 9. The free end of the heat conduction column 2 is suspended in the shell 1 and is in contact with fuel, the current temperature of the fuel can be conducted, the temperature is transmitted to the temperature controller 9, the current temperature of the fuel can be judged through the temperature controller 9, the temperature controller 9 can start or disconnect the operation of the first electrode plate 4 and the second electrode plate 5, the heat conduction efficiency of the heat conduction column 2 is high, the effect of heat conduction by depending on the wall thickness of plastic is good, the heat conduction and temperature sensing speed is high, the efficiency is high, and the reaction is sensitive.

In a specific embodiment, heat conduction post 2 is the metal heat conduction post, and the heat conduction is sensitive, can control the temperature of fuel through temperature control assembly, and the control heating assembly that can be convenient switches on or breaks off, and automatic control need not manual operation, has reduced the influence of human factor.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the housing 1 includes an upper housing 12 and a lower housing 11, the upper housing 12 and the lower housing 11 are connected by a screw thread or are fastened or are integrally formed by injection molding, and the upper housing 12 and the lower housing 11 are connected to form an L shape. Wherein, the inside cavity 8 that is equipped with of lower casing 11, be used for installing temperature control component in the cavity 8. In order to facilitate the assembly of the shell 1, the shell 1 is divided into an upper shell 12 and a lower shell 11 which are connected in a threaded manner, the upper shell 12 and the lower shell 11 are smoothly disassembled and assembled, and the temperature control assembly and the heating assembly are favorably assembled and disassembled.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the upper casing 12 and the lower casing 11 are formed by injection molding, the injection molding process can ensure the structural stability of the upper casing 12 or the lower casing 11, the use is durable, and the upper casing 12 and the lower casing 11 are connected or disassembled conveniently, and will not react with fuel.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the fuel oil heating device of the automobile engine further includes a power supply assembly, an output end of the power supply assembly is connected with an input end of the heating assembly and an input end of the temperature control assembly respectively through a wire harness, and the power supply assembly is disposed outside the filter. The power supply assembly supplies power to the temperature control assembly and the heating assembly, and is convenient and fast.

In one embodiment, the power supply assembly can be a vehicle-mounted power supply or an external power supply, and the vehicle-mounted power supply is electrically connected with the temperature control assembly and the heating assembly through a wiring harness. When the power supply assembly is connected with the heating assembly or the temperature control assembly, the wiring harness is led out from the oil inlet 7 of the shell 1, the wiring harness positioned in the shell 1 is clamped in the shell 1 through the wiring harness connector 3, and the wiring harness positioned outside the shell 1 is further provided with a wiring harness connector 22.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the side portion of the housing 1 is provided with a strip-shaped through hole for installing the heating component, and the end portion of the housing 1 is provided with a rectangular through hole for installing the temperature control component near the oil inlet 7. The strip-shaped through hole is convenient for installing the heating component and the rectangular through hole is convenient for installing the temperature control component.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the housing 1 further includes a side cover 19 for covering the elongated through hole and an upper cover 10 for covering the rectangular through hole. When in use, the side cover 19 needs to seal the elongated through hole, the upper cover 10 needs to seal the rectangular through hole, and the side cover 19 or the upper cover 10 and the housing 1 may be connected in a hinged or buckled manner, which is not limited herein.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the heating plate 6 is a PTC heating plate. The PTC heating plate is clamped between the first electrode plate 4 and the second electrode plate 5, the electric conduction efficiency is high, heat generated by the PTC heating plate is used for heating fuel oil, and the heating efficiency is high and fast.

In one specific embodiment, the PTC heating plate is composed of a ceramic heating element and an aluminum tube, has the advantages of low thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heater.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the wire harness is fixed by a fixing plate 13 disposed in the housing 1. The fixing plates 13 are arranged in the shell 1, the fixing plates 13 are connected with the inner wall of the shell 1, and the fixing plates 13 are used for fixing the wiring harness penetrating through the shell 1 and preventing the wiring harness from sliding or swinging, so that the heating effect of fuel oil is influenced.

In a specific embodiment, a wire pressing plate 21 is further arranged in the shell 1, the wire pressing plate 21 is used for pressing the wire harness in a buckling mode to prevent the wire harness from slipping off, and a plurality of wire grooves are formed in the wire pressing plate 21.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, the structure diagram of the fuel heating device and the assembled filter tank of the automobile engine is provided with an installation platform 18 on the outer surface of the housing 1 for installing the filter tank, etc., which is convenient to install. A sealing ring 17 is further provided on the outer circumference of the housing 1 for sealing when an external device is connected thereto.

The working process of the utility model is as follows: when fuel (diesel oil) flowed into the filter, diesel oil passed casing 1, can be earlier through temperature control assembly's heat conduction post 2, and current fuel temperature can be monitored to heat conduction post 2, and current ambient temperature and diesel oil's temperature can be responded to heat conduction post 2, and the temperature value transmits for temperature controller 9, switches on the temperature value through the fuel heating that sets up on temperature controller 9, can control heating assembly's start-up heating or disconnection heating. If the oil temperature monitored by the heat conduction column 2 is lower than the conduction temperature value, the temperature controller 9 controls the first electrode plate 4 and the second electrode plate 5 to be conducted to heat the diesel oil. On the contrary, when the ambient temperature and the diesel temperature exceed the conduction temperature value, the temperature controller 9 is disconnected from the heating assembly to stop heating the fuel oil, and finally the diesel temperature is maintained in a constant range. Moreover, the PTC heating plate also has the stable characteristic, and simultaneously, the stability of the oil temperature is also ensured. The fuel oil heating device of the automobile engine has the advantages of small volume, low manufacturing cost, convenience in installation and wide application range, and can heat fuel oil of different models.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An automobile engine fuel oil heating apparatus, comprising:

2. The fuel heating apparatus for an automobile engine according to claim 1, wherein the heating member includes a first electrode plate, a second electrode plate, and a plurality of heating plates; the heating plate is arranged between the first electrode plate and the second electrode plate and is clamped tightly through a spring piece or a screw; the heating plate is electrically conducted through the first electrode plate and the second electrode plate and used for heating fuel oil.

3. The fuel heating apparatus for an automobile engine according to claim 2, wherein the first electrode plate and the second electrode plate are electrically connected to the thermostat through electrode posts, respectively.

4. A fuel heating apparatus for an automobile engine as set forth in claim 1, wherein said housing comprises an upper housing and a lower housing, said upper housing and said lower housing being screw-coupled or snap-fitted, said upper housing and said lower housing being L-shaped when coupled.

5. The fuel heating apparatus for the automobile engine according to claim 4, wherein the upper case and the lower case are integrally injection-molded.

6. The fuel heating device for the automobile engine as claimed in claim 1, further comprising a power supply assembly, wherein an output end of the power supply assembly is connected with an input end of the heating assembly and an input end of the temperature control assembly respectively through wiring harnesses, and the power supply assembly is arranged outside the filter.

7. The fuel oil heating apparatus for the automobile engine as set forth in claim 1, wherein the side portion of the casing is provided with an elongated through hole for mounting the heating module, and the end portion of the casing near the oil inlet is provided with a rectangular through hole for mounting the temperature control module.

8. An automobile engine fuel heating apparatus as described in claim 7, wherein said case further comprises a side cover for covering said elongated through hole and an upper cover for covering said rectangular through hole.

9. A fuel heating apparatus for an automobile engine according to claim 2, wherein said heating plate is a PTC heating plate.

10. An automobile engine fuel heating apparatus as set forth in claim 6, wherein said wire harness is fixed by a fixing plate provided in said case.