CN211549878U

CN211549878U - Integrated disc type heating device for fuel oil filter

Info

Publication number: CN211549878U
Application number: CN201922369096.XU
Authority: CN
Inventors: 顾海纶; 杨德江
Original assignee: Mann and Hummel Filter Shanghai Co Ltd
Current assignee: Mann and Hummel Filter Shanghai Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-22
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to an integrated disk heating device for fuel filter, include the heater body, install outside connector and temperature controller on the heater body, the heater body includes disk heater base, outer electrode, inner electrode and a plurality of heating plate, outer electrode and inner electrode are annular sheet structure, the size of outer electrode and inner electrode with disk heater base phase-match, and install on the circumferential edge reason of disk heater base, a plurality of heating plate intervals set up between outer electrode and the inner electrode, and with outer electrode and inner electrode contact. Compared with the prior art, the device is a disc heater, has high overall strength, is not easy to deform under stress, has high use efficiency, and can fully improve the cold start effect of the engine.

Description

Integrated disc type heating device for fuel oil filter

Technical Field

The utility model relates to a fuel filter, concretely relates to integrated disk heating device for fuel filter.

Background

With the continuous innovation of the technology of modern engines, the precision of parts is continuously improved. In order to prevent substances which are unfavorable for the operation of an engine, such as particle impurities, water and the like contained in fuel oil from entering a fuel oil system of the engine and influencing the normal work and the service life of parts of a fuel delivery pump and a fuel injection system, fuel oil filters can be additionally arranged on automobiles and engines.

Under certain environmental conditions, such as the influence of low temperature and oil, the diesel oil is easy to be viscous and can not flow normally, and then the filtration and normal oil supply functions are influenced. The conventional solution is to install a fuel heating device in a fuel filter, but the existing heating devices on the market generally have the conditions of low thermal efficiency, slow temperature rise and poor reliability, and the normal start and work of an oil supply system in a low-temperature environment are difficult to ensure.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide an integrated disc heating apparatus for a fuel filter, which ensures safety while ensuring heating efficiency, and which has some additional functions.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides an integrated disk heating device for fuel filter, includes the heater body, installs outside connector and temperature controller on the heater body, the heater body includes disk heater base, outer electrode, inner electrode and a plurality of heating plate, outer electrode and inner electrode are annular sheet structure, the size of outer electrode and inner electrode with disk heater base phase-match, and install on the circumferential edge reason of disk heater base, a plurality of heating plate interval set up between outer electrode and the inner electrode, and with outer electrode and inner electrode contact.

Further, the disc heater base includes a central circular base plate and an annular flange portion at the edge, the outer and inner electrodes being mounted on the annular flange portion.

Further, the outer electrode, the inner electrode and the heating plate are fixed on the annular flange portion by fixing screws.

Furthermore, when the outer electrode, the inner electrode and the heating sheet are connected through the fixing screws, a spring gasket is further arranged, so that the inner electrode and the outer electrode are kept in a contact state with the heating sheet.

Furthermore, a plurality of oil outlet holes are formed in the circumferential edge of the circular base plate, and the oil outlet holes are arranged in a surrounding mode along the circumference and used for enabling fuel oil to pass through quickly and reducing flow resistance.

Further, the disc heater base is a plastic piece formed by injection molding, and the circular chassis inclines from high to low from the edge to the circle center.

Furthermore, the circular base plate is provided with a mounting hole for assembling with a fuel filter, and the middle of the circular base plate is provided with a through hole.

Furthermore, outside connector and temperature controller all set up the back on circular chassis, outside connector is used for connecting external power source or control mechanism, interior motor passes through the piece formula circuit with the outer electrode and connects outside connector, and the heater design is the leadless structure, and heating plate is connected to general annular inside and outside electrode, and other conducting structure are with piece formula circuit connection structure, increase the security. The temperature controller is an integrated temperature controller, and the temperature controller is mechanical or electronic and is used for testing the temperature of the fuel in the filter.

Furthermore, the inner side of the annular flange part is provided with an annular sealing surface for sealing the filter element, and the annular sealing surface can be tightly sealed with the filter element.

Furthermore, the heating plates are thermal sensitive ceramic heating plates, 4-8 groups of heating plates are arranged, and the heating plates are arranged between the outer electrode and the inner electrode at equal intervals.

When specifically using, will the utility model discloses integrated disc heating device installs inside the filter casing, the outside of filter core, but furthest's utilization its heat that gives out, the thermal efficiency is high, guarantees to reduce fuel viscosity in the shortest time, realizes that the engine normally works. When the device is used for heating, the power supply enters the heater through the external connector, the current conduction is carried out by the inner electrode and the outer electrode, the current enters the heating sheet to form circuit circulation, and the heating sheet heats fuel oil in the fuel oil filter after being electrified.

When the temperature controller is used in a low-temperature environment, the temperature controller can preset a lower starting temperature and a higher stopping temperature. When the temperature controller detects that the oil temperature is lower than the set starting temperature, the power supply is automatically conducted, so that current can enter the heater, and further the fuel oil in the fuel oil filter is continuously heated; when the measured oil temperature reaches the preset stop working temperature, the power supply is automatically cut off, the heater stops heating, and the fuel oil temperature is prevented from continuously rising to cause danger.

Compared with the prior art, the utility model has the advantages of:

1. the heating efficiency is high: the device is arranged in the filter shell and outside the filter element, heat loss can be prevented, the device is mainly used for heating, the heater base is made of plastic materials and is thermally insulated from the metal shell, and efficient heating is realized by utilizing a convection principle; the heater is positioned at the dirty oil side of the filter, which is beneficial to quickly melting fuel oil and waxing and quickly opening an oil supply passage.

2. The structural strength is high: the heater base adopts the disk structure, and structural strength is high, can fix a position, fix and support internal and external electrode and heating plate, prevents that external force from warping.

3. The integration is high: the heater integrates a temperature controller, and can independently work only by an external power supply.

4. Simple structure and safety: the wire with the rubber tube is not used in the inner part, so that the deformation of the wire and the influence of external force are reduced.

4. The flow resistance is low: the utility model discloses the design has the water conservancy diversion hole on the base, reduces the oil flow resistance.

5. Additional functions: the utility model discloses the heater can assist filter core or filter casing to seal.

Drawings

Fig. 1 is a schematic structural view (front side) of the device of the present invention;

fig. 2 is a schematic structural view (back side) of the device of the present invention;

FIG. 3 is a schematic view of the installation of the device of the present invention;

in the figure:

1-a fuel oil filter shell, 2-an integrated disc heater and 3-a filter element;

2-1-disc heater base, 2-2-outer electrode, 2-3-fixing screw, 2-4-spring gasket, 2-5-heating plate, 2-6-inner electrode, 2-7-sheet circuit connection structure, 2-8-external connector, 2-9-temperature controller, 2-10-heater mounting hole, 2-11-oil outlet hole and 2-12-ring sealing surface.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Examples

Referring to fig. 1 and 2, an integrated disk type heating device for a fuel filter comprises a heater body, an external connector assembly 2-8 and a temperature controller 2-9, wherein the external connector assembly 2-8 is mounted on the heater body, the heater body comprises a disk type heater base 2-1, an external electrode 2-2, an internal electrode 2-6 and a plurality of heating sheets 2-5, the external electrode 2-2 and the internal electrode 2-6 are both in annular sheet structures, the sizes of the external electrode 2-2 and the internal electrode 2-6 are matched with the disk type heater base 2-1, and is installed on the circumferential edge of the disc heater base 2-1, and a plurality of heating sheets 2-5 are spaced between the outer electrode 2-2 and the inner electrode 2-6 and are in contact with the outer electrode 2-2 and the inner electrode 2-6. The heating sheets 2-5 are thermal sensitive ceramic heating sheets 2-5, are arranged in 6 groups and are arranged between the outer electrode 2-2 and the inner electrode 2-6 at equal intervals.

The disc heater base 2-1 includes a central circular base plate and an annular flange portion at the edge on which the outer electrode 2-2 and the inner electrode 2-6 are mounted. The outer electrode 2-2, the inner electrode 2-6 and the heating plate 2-5 are fixed on the annular flange part by fixing screws 2-3. When the outer electrode 2-2 and the inner electrode 2-6 are connected with the heating plate 2-5 through the fixing screws 2-3, the spring gasket 2-4 is also arranged to keep the inner electrode 2-2 and the outer electrode 2-2 in a contact state with the heating plate 2-5.

The circumferential edge of the circular chassis is provided with a plurality of oil outlets 2-10, and the oil outlets 2-10 are arranged around the circumference. The disc heater base 2-1 is an integral injection molding plastic piece, the circular chassis inclines from high to low from the edge to the circle center, a mounting hole used for assembling with a fuel filter is arranged on the circular chassis, and a through hole is formed in the middle of the circular chassis. The external connectors 2-8 and the temperature controllers 2-9 are arranged on the back of the round chassis, the external connectors 2-8 are used for connecting an external power supply or a control mechanism, and the internal motor and the external electrodes 2-2 are connected with the external connectors 2-8 through the chip circuit connection structures 2-7; the temperature controllers 2 to 9 are integrated temperature controllers which adopt a mechanical type or an electronic type and are used for testing the temperature of the fuel in the filter. The inner side of the annular flange part is provided with annular sealing surfaces 2-12 for sealing the filter element, and the annular sealing surfaces can be tightly sealed with the filter element.

Like fig. 3, will the utility model discloses integrated disk heating device installs inside the filter casing, and the outside of filter core can furthest utilize its heat that gives out, and the thermal efficiency is high, reduces fuel viscosity in guaranteeing the shortest time, realizes that the engine normally works. When the device is used for heating, the power supply enters the heater through the external connector, the current conduction is carried out by the inner electrode and the outer electrode, the current enters the heating sheet to form circuit circulation, and the heating sheet heats fuel oil in the fuel oil filter after being electrified.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. An integrated disc heating device for a fuel filter, comprising a heater body, an external connector (2-8) mounted on the heater body and a temperature controller (2-9),

the heater body comprises a disc heater base (2-1), an outer electrode (2-2), an inner electrode (2-6) and a plurality of heating sheets (2-5), wherein the outer electrode (2-2) and the inner electrode (2-6) are both in annular sheet structures, the outer electrode (2-2) and the inner electrode (2-6) are matched with the disc heater base (2-1) in size and are installed on the circumferential edge of the disc heater base (2-1), and the plurality of heating sheets (2-5) are arranged between the outer electrode (2-2) and the inner electrode (2-6) at intervals and are in contact with the outer electrode (2-2) and the inner electrode (2-6).

2. An integrated disc heating apparatus for a fuel filter according to claim 1, characterized in that the disc heater base (2-1) comprises a central circular base disc and an edge annular flange portion on which the outer electrode (2-2) and the inner electrode (2-6) are mounted.

3. An integrated disc heating apparatus for a fuel filter according to claim 2, wherein the outer electrode (2-2), the inner electrode (2-6) and the heating plate (2-5) are fixed to the annular flange portion by fixing screws (2-3).

4. An integrated disk type heating apparatus for a fuel filter according to claim 3, wherein when the outer electrode (2-2), the inner electrode (2-6) and the heating plate (2-5) are connected by the fixing screw (2-3), a spring washer (2-4) is further provided to maintain the inner and outer electrodes (2-2) in a contact state with the heating plate (2-5).

5. An integrated disc heating apparatus for a fuel filter according to claim 2, characterized in that the circumferential edge of the circular base disc is provided with a plurality of oil outlet holes (2-10), the oil outlet holes (2-10) being circumferentially arranged around the circumference.

6. An integrated disc heating device for a fuel filter according to claim 2, characterized in that the disc heater base (2-1) is an integrally injection moulded plastic part, and the circular base disc is inclined from high to low from the edge towards the centre of the circle.

7. The integrated disc heating device for the fuel filter as claimed in claim 2, wherein the circular base plate is provided with a mounting hole for assembling with the fuel filter, and a through hole is formed in the middle of the circular base plate.

8. An integrated disc heating apparatus for a fuel filter according to claim 2, characterized in that the external connector (2-8) and the temperature controller (2-9) are provided on the back of the circular base plate,

the external connector assembly (2-8) is used for connecting an external power supply or a control mechanism, and the inner electrode and the outer electrode (2-2) are connected with the external connector assembly (2-8) through a chip circuit connection structure (2-7); the temperature controllers (2-9) are integrated temperature controllers which are mechanical or electronic and used for testing the temperature of the fuel in the filter.

9. An integrated disc heating apparatus for a fuel filter according to claim 2, characterized in that the inner side of the annular flange portion is provided with an annular sealing surface (2-12) for sealing the filter cartridge.

10. An integrated disc heating apparatus for a fuel filter according to any one of claims 1 to 9, wherein the heating chip (2-5) is a thermal sensitive ceramic heating chip (2-5) and is disposed at equal intervals between the outer electrode (2-2) and the inner electrode (2-6).