CN107559115B - Fuel filter and combined sensor thereof - Google Patents
Fuel filter and combined sensor thereof Download PDFInfo
- Publication number
- CN107559115B CN107559115B CN201710883893.2A CN201710883893A CN107559115B CN 107559115 B CN107559115 B CN 107559115B CN 201710883893 A CN201710883893 A CN 201710883893A CN 107559115 B CN107559115 B CN 107559115B
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- Prior art keywords
- main body
- sensor
- fuel filter
- shell
- heating plate
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- 239000000446 fuel Substances 0.000 title claims abstract description 63
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000001914 filtration Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a fuel filter and a combined sensor thereof, wherein the combined sensor comprises a main body, a wiring plug, a heating plate, a temperature sensor and a protective cover, wherein a wire is connected between the wiring plug and the outer end of the main body so as to simultaneously connect the wiring plug with the heating plate and the temperature sensor in a conductive manner, the temperature sensor is arranged at the inner end of the main body, the heating plate is fixedly connected with the inner end of the main body through a bracket, and the protective cover is fixedly connected with the inner end of the main body and covers the heating plate so as to protect the heating plate. The combined sensor is extremely convenient to install and detach, the heating plate and the temperature sensor share the wiring plug, and the circuit connection structure of the combined sensor can be simple.
Description
Technical Field
The invention relates to the technical field of fuel filtration, in particular to a fuel filter and a combined sensor thereof.
Background
As a consumable part in an automobile part, the combined sensor of the fuel filter has quite broad market prospect. The individual sensors of the combined sensor of the existing fuel filter are usually arranged independently, are inconvenient to install and disassemble, and lead to complex circuit structures.
Disclosure of Invention
The main object of the present invention is to provide a fuel filter and a combination sensor thereof, which aims to simplify the mounting and dismounting operations.
In order to achieve the above object, the present invention provides a combination sensor of a fuel filter, the combination sensor includes a main body, a connection plug, a heating plate, a temperature sensor and a protection cover, wherein a wire is connected between the connection plug and an outer end of the main body so as to electrically connect the connection plug with the heating plate and the temperature sensor at the same time, the temperature sensor is arranged at an inner end of the main body, the heating plate is fixedly connected with the inner end of the main body through a bracket, and the protection cover is fixedly connected with the inner end of the main body and covers the heating plate to protect the heating plate.
Preferably, the boot has a first end proximal to the body and a second end distal from the body, the first end of the boot defining a first opening for fuel to enter the boot, and the second end of the boot defining a second opening for fuel to exit the boot.
Preferably, the number of the first openings is a plurality of, and the first openings are uniformly distributed along the peripheral surface of the protective cover.
Preferably, the combination sensor further comprises a water level sensor mounted on the main body, the water level sensor is electrically connected with the wiring plug through the lead wire,
preferably, the main body comprises a first mounting part for sealing and combining with the lower part of the filter element of the fuel filter and a second mounting part for sealing and combining with the lower part of the shell of the fuel filter, the first mounting part and the second mounting part are respectively close to the inner end and the outer end of the main body, the main body is provided with a channel for communicating a water storage space in the shell of the fuel filter and a filtering space in the filter element, and the water level sensor is mounted on the main body and is positioned between the first mounting part and the second mounting part and used for sensing the water level in the water storage space.
Preferably, the outer end of the main body is provided with a clamping hole for inserting a U-shaped clamp spring to clamp and fix the combined sensor and the shell of the fuel filter.
Preferably, the connection plug is provided with a buckle for being clamped with a buckle hole on the outer wall of the shell of the fuel filter, and the connection plug is hung on the shell of the fuel filter.
In order to achieve the above purpose, the invention also provides a fuel filter, which comprises a shell and a filter element arranged in the shell, wherein the shell is provided with an oil inlet pipe and an oil outlet pipe.
The combined sensor of the fuel filter is convenient to mount and dismount by adopting the combined sensor, and the heating plate, the temperature sensor and the water level sensor share the wiring plug, so that the circuit connection structure of the combined sensor can be simple.
Drawings
FIG. 1 is a schematic diagram of a combination sensor of a fuel filter according to an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of the combination sensor of FIG. 1 applied to a fuel filter, wherein the combination sensor is not fully cut away.
FIG. 3 is an exploded view of the fuel filter of FIG. 2, wherein the boot of the combination sensor is not shown.
Fig. 4 is a partially exploded view of the fuel filter of fig. 2 in reverse view.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the detailed description is presented by way of example only and is not intended to limit the invention.
An embodiment of a combination sensor of a fuel filter according to the present invention is shown in fig. 1 to 4. The combination sensor 3 is adapted to be mounted on a fuel filter for sensing the temperature of fuel in the fuel filter and for heating the fuel in the fuel filter. In this embodiment, the combined sensor 3 of the fuel filter includes a main body 31, a connection plug 32, a heating plate 33, a temperature sensor 34 and a protection cover 35, wherein a wire 36 is connected between the connection plug 32 and the outer end of the main body 31, so that the connection plug 32 is electrically connected with the heating plate 33 and the temperature sensor 34 at the same time, the temperature sensor 34 is disposed at the inner end of the main body 31, the heating plate 33 is fixedly connected with the inner end of the main body 31 through a bracket 37, and the protection cover 35 is fixedly connected with the inner end of the main body 31 and covers the heating plate 33 to protect the heating plate 33.
The protecting cover 35 has a first end close to the main body 31 and a second end far away from the main body 31, a first opening 351 is formed at the first end of the protecting cover 35, so that fuel in a filter element of the fuel filter enters the protecting cover 35 and is heated by the heating plate 33, and the number of the first openings 351 is multiple and is uniformly distributed along the peripheral surface of the protecting cover 35. A second opening 352 is formed at a second end of the shroud 35 to allow heated fuel within the shroud 35 to flow out of the shroud 35.
The combined sensor 3 further comprises a water level sensor 38, the water level sensor 38 is electrically connected with the wiring plug 32 through the lead 37, the main body 31 comprises a first mounting part 311 and a second mounting part 312, the first mounting part 311 and the second mounting part 312 are respectively close to the inner end and the outer end of the main body 31, the first mounting part 311 is used for being combined with the lower part of a filter element of the fuel filter in a sealing way, the second mounting part 312 is used for being combined with the lower part of a shell of the fuel filter in a sealing way, the main body 31 is provided with a channel 315 for communicating a water storage space in the shell of the fuel filter with a filtering space in the filter element, and the water level sensor 38 is mounted on the main body 31 and is positioned between the first mounting part 311 and the second mounting part 312 and used for sensing the water level in the water storage space. When the water level in the water storage space reaches the set height, information can be sent to the controller so as to send out warning information through the controller to remind a user to drain water.
The outer end of the main body 31 is provided with a clamping hole 313 for inserting a U-shaped clamp spring to clamp and fix the combination sensor 3 and the shell of the fuel filter.
The connection plug 32 is provided with a buckle 321 for being clamped with a buckle hole on the outer wall of the shell of the fuel filter, so that the connection plug 32 is hung on the shell of the fuel filter.
The heating plate 33, the temperature sensor 34 and the water level sensor 38 are integrated on the combined sensor 3, so that the combined sensor 3 is convenient to install, the heating plate 33, the temperature sensor 34 and the water level sensor 38 share the same wiring plug 32, and the circuit connection structure can be simplified.
As shown in fig. 2 to 4, an application example of the fuel filter provided with the combination sensor 3 is provided, in this application example, the fuel filter includes a housing 2, the combination sensor 3, and a filter element 1 disposed in the housing 2, and an oil inlet pipe 21 and an oil outlet pipe 22 are disposed on the housing 2.
The filter element 1 comprises a cylindrical filter paper 11 folded in a zigzag manner, an inner net 12, an upper cover plate 13 and a lower cover plate 14, wherein the inner net 12 is inserted into the cylindrical filter paper 11, and a filtering space 121 is formed in the inner net 12. An annular chamber 101 is formed between the filter element 1 and the inner wall of the shell 2, and the oil inlet pipe 21 is communicated with the chamber 101. The upper cover 13 is provided with a first through hole 131 for the oil supply pipe 22 to communicate with the filtering space 121, and the lower cover 14 is provided with a second through hole 141 for the insertion of the combination sensor 3. The combined sensor 3 is inserted into the lower end of the housing 2, and extends into the filtering space 121 through the second through hole 141, so as to sense the temperature of the fuel in the filtering space 121 and heat the fuel in the filtering space.
The housing 2 comprises an upper shell 23 and a lower shell 24, the upper shell 23 and the lower shell 24 being detachably connected together, for example by means of a threaded connection. A sealing ring 201 is arranged at the joint of the upper shell 23 and the lower shell 24 to strengthen the tightness between the two.
The oil inlet pipe 21 and the oil outlet pipe 22 are installed on the upper portion of the upper shell 23, the combined sensor 3 is installed at the bottom of the lower shell 24 and extends into the lower shell 24, a first boss 232 and a second boss 242 are respectively arranged on the upper shell 23 and the lower shell 24, and the upper cover plate 13 and the lower cover plate 14 of the filter element 1 are respectively abutted with the first boss 232 and the second boss 242 so as to fix the filter element 1 in the shell 2.
The upper case 23 is further provided with a mounting hole 234 communicating with the oil outlet pipe 22, and the pressure sensor 4 is installed in the mounting hole 234 to sense the fuel pressure in the oil pipe 22 in real time. A seal ring 401 is installed between the pressure sensor 4 and the upper case 23 to improve sealability therebetween.
The bottom of the upper shell 23 is provided with a first flange 231, the top of the lower shell 24 is provided with a second flange 241, the first flange 231 is provided with a first clamping structure 2311, the second flange 241 is provided with a second clamping structure 2411, and the first flange 231 and the second flange 241 are fixed by mutually clamping the first clamping structure 2311 and the second clamping structure 2411, so as to prevent the upper shell 23 and the lower shell 24 from rotating relatively. The first engaging structure 2311 includes a clamping block and/or a clamping groove, and the second engaging structure 2411 includes a clamping groove and/or a clamping block matched with the first engaging structure 2311.
The inner wall of the lower housing 24 is provided with a plurality of positioning ribs 248 extending in the axial direction thereof to position the installation position of the filter element 1. The plurality of positioning ribs 24 are uniformly spaced along the circumferential direction of the lower case 24.
The distance between the inner wall surface of the lower shell 24 and the cylindrical filter paper 11 of the filter element 1 gradually increases from bottom to top, that is, the opening of the lower shell 24 gradually increases upward from the second boss 242. In this way, the fuel to be filtered at the lower part of the chamber 101 can be timely replenished after entering the cylindrical filter paper 11 for filtration, so as to ensure the continuous reliability of fuel supply.
The outer wall of the lower shell 24 of the shell 2 is provided with a buckling hole 202, and the wiring plug 32 is hung on the lower shell 24 of the shell 2 by being clamped into the buckling hole 202 of the lower shell 24 through a buckle 321 of the wiring plug 32.
A mounting boss 243 is formed inside the lower portion of the housing 2 (i.e., the lower portion of the lower case 24) for tight coupling with the combination sensor 3. A water storage space 244 is formed between the second boss 242 and the mounting boss 243 in the lower housing 24, a water outlet hole 245 is formed at the bottom of the lower housing 24 corresponding to the water storage space 244, and a water drain valve 246 is arranged at the water outlet hole 245. The bottom outer side of the lower shell 24 is provided with a clamping hole 247, and a U-shaped clamping spring 5 is inserted into the clamping hole 247 of the lower shell 24 and the clamping hole 313 of the main body 31 to clamp the combined sensor 3 on the lower shell 24.
A connection pipe 233 communicating with the oil outlet pipe 22 is provided inside the upper portion of the casing 2 (i.e., the upper portion of the upper case 23), and the connection pipe 233 is provided so as to face the protection cover 35. In this way, in the case that the fuel needs to be heated, the fuel can flow to the fuel outlet pipe 22 after entering the fuel outlet pipe 22 and being heated to a predetermined temperature, so as to ensure the accuracy of fuel temperature control.
The lower cover plate 14 of the filter element 1 is in sealing connection with the first mounting portion 311 of the combination sensor 3, the mounting boss 243 at the lower portion of the lower housing 24 is in sealing connection with the second mounting portion 312 of the combination sensor 3, a water storage space 244 is formed at the lower side of the lower cover plate 14, and the channel 315 of the main body 31 is communicated with the water storage space 244 and the filtering space 121.
The present invention is not limited to the above embodiments, and various modifications can be made within the technical content disclosed in the above embodiments. All equivalent structural changes made by the specification and the attached drawings of the invention or directly or indirectly applied to other related technical fields are included in the protection scope of the invention.
Claims (4)
1. The combined sensor of the fuel filter is characterized by comprising a main body, a wiring plug, a heating plate, a temperature sensor and a protective cover, wherein a wire is connected between the wiring plug and the outer end of the main body so as to simultaneously conduct the wiring plug with the heating plate and the temperature sensor, the temperature sensor is arranged at the inner end of the main body, the heating plate is fixedly connected with the inner end of the main body through a bracket, and the protective cover is fixedly connected with the inner end of the main body and covers the heating plate so as to protect the heating plate;
the protective cover is provided with a first end close to the main body and a second end far away from the main body, wherein the first end of the protective cover is provided with a first opening for fuel to enter the protective cover, and the second end of the protective cover is provided with a second opening for fuel to flow out of the protective cover;
the combined sensor further comprises a water level sensor arranged on the main body, and the water level sensor is in conductive connection with the wiring plug through the lead;
the main body comprises a first installation part and a second installation part, wherein the first installation part is used for being combined with the lower part of the filter element of the fuel filter in a sealing way, the second installation part is used for being combined with the lower part of the shell of the fuel filter in a sealing way, the first installation part and the second installation part are respectively close to the inner end and the outer end of the main body, the main body is provided with a channel used for communicating a water storage space in the shell of the fuel filter with a filtering space in the filter element, and the water level sensor is installed on the main body and is positioned between the first installation part and the second installation part and used for sensing the water level height in the water storage space;
the outer end of the main body is provided with a clamping hole for inserting a U-shaped clamp spring to clamp and fix the combined sensor and the shell of the fuel filter.
2. The combination sensor of a fuel filter of claim 1, wherein the number of first openings is plural and evenly distributed along the perimeter of the shroud.
3. The combination sensor of claim 1, wherein the connector plug is provided with a fastener for engaging with a fastener hole of an outer wall of the housing of the fuel filter, and the connector plug is suspended from the housing of the fuel filter.
4. The fuel filter comprises a shell and a filter element arranged in the shell, wherein an oil inlet pipe and an oil outlet pipe are arranged on the shell, and the fuel filter is characterized by further comprising a combined sensor according to any one of claims 1 to 3, a main body of the combined sensor is arranged at the lower part of the shell, a heating plate and a temperature sensor of the combined sensor extend into the filter element, and a protective cover of the combined sensor is positioned outside the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883893.2A CN107559115B (en) | 2017-09-26 | 2017-09-26 | Fuel filter and combined sensor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883893.2A CN107559115B (en) | 2017-09-26 | 2017-09-26 | Fuel filter and combined sensor thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107559115A CN107559115A (en) | 2018-01-09 |
| CN107559115B true CN107559115B (en) | 2023-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710883893.2A Active CN107559115B (en) | 2017-09-26 | 2017-09-26 | Fuel filter and combined sensor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107559115B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397320A (en) * | 2018-02-28 | 2018-08-14 | 安徽江淮汽车集团股份有限公司 | A kind of double fuel tank oil supply systems |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201934236U (en) * | 2010-12-15 | 2011-08-17 | 合肥威尔燃油***有限责任公司 | Fuel filter base and fuel filter comprising same |
| DE102011078362A1 (en) * | 2011-06-29 | 2013-01-03 | Mahle International Gmbh | Fuel filter for vehicle, has water collection chamber communicating with transition chamber, where transition and collection chambers are separated from raw chamber by filter medium and from clean chamber by separator impermeable to water |
| CN203809175U (en) * | 2014-03-18 | 2014-09-03 | 宁波正利汽车部件有限公司 | Fuel oil filter used in alpine regions |
| CN104500296A (en) * | 2014-12-11 | 2015-04-08 | 合肥威尔燃油***有限责任公司 | Fuel filter and engine with same |
| KR101566750B1 (en) * | 2014-05-29 | 2015-11-06 | 현대자동차 주식회사 | Fuel filter for diesel engine |
| CN105402064A (en) * | 2015-12-18 | 2016-03-16 | 中国电子科技集团公司第十三研究所 | Integrated type filter fuel oil heating and water level sensing device |
| CN207229279U (en) * | 2017-09-26 | 2018-04-13 | 安徽凤凰滤清器股份有限公司 | Fuel filter and combinations thereof sensor |
-
2017
- 2017-09-26 CN CN201710883893.2A patent/CN107559115B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201934236U (en) * | 2010-12-15 | 2011-08-17 | 合肥威尔燃油***有限责任公司 | Fuel filter base and fuel filter comprising same |
| DE102011078362A1 (en) * | 2011-06-29 | 2013-01-03 | Mahle International Gmbh | Fuel filter for vehicle, has water collection chamber communicating with transition chamber, where transition and collection chambers are separated from raw chamber by filter medium and from clean chamber by separator impermeable to water |
| CN203809175U (en) * | 2014-03-18 | 2014-09-03 | 宁波正利汽车部件有限公司 | Fuel oil filter used in alpine regions |
| KR101566750B1 (en) * | 2014-05-29 | 2015-11-06 | 현대자동차 주식회사 | Fuel filter for diesel engine |
| CN104500296A (en) * | 2014-12-11 | 2015-04-08 | 合肥威尔燃油***有限责任公司 | Fuel filter and engine with same |
| CN105402064A (en) * | 2015-12-18 | 2016-03-16 | 中国电子科技集团公司第十三研究所 | Integrated type filter fuel oil heating and water level sensing device |
| CN207229279U (en) * | 2017-09-26 | 2018-04-13 | 安徽凤凰滤清器股份有限公司 | Fuel filter and combinations thereof sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107559115A (en) | 2018-01-09 |
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