CN109058012A - Self-draining arrangement, fuel filter and its application method using the device - Google Patents
Self-draining arrangement, fuel filter and its application method using the device Download PDFInfo
- Publication number
- CN109058012A CN109058012A CN201811186538.0A CN201811186538A CN109058012A CN 109058012 A CN109058012 A CN 109058012A CN 201811186538 A CN201811186538 A CN 201811186538A CN 109058012 A CN109058012 A CN 109058012A
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- China
- Prior art keywords
- downcomer
- water level
- inner cylinder
- iron core
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000000446 fuel Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 238000007789 sealing Methods 0.000 claims abstract description 45
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 89
- 239000013049 sediment Substances 0.000 claims description 59
- 229910052742 iron Inorganic materials 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 8
- 238000003032 molecular docking Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001727 in vivo Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 7
- 230000006378 damage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010761 intermediate fuel oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of self-draining arrangement, including valve body, it is equipped with inner cylinder in valve body, inner cylinder is vertically arranged, and inner tank theca is covered with the bobbin of annular, and the coil for generating magnetic field is arranged on bobbin；Valve body top is equipped with downcomer, and downcomer extends downwardly into inner cylinder and is connected with inner cylinder；There is spring press sealing structure and magnetic-adsorption water distribution structure in valve body；The invention also discloses the fuel filters and its application method with automatic draining function for using above-mentioned self-draining arrangement.Using self-draining arrangement of the invention, use the fuel filter and application method of the device, automatically water can be discharged in time, the case where avoiding water collection chamber from being filled with water, extend the service life of filter core, prevent fuel water-containing from damaging to engine, the use cost for reducing the fuel filter and motor vehicle with automatic draining function, reduces the frequency of upkeep operation.
Description
Technical field
The present invention relates to motor vehicle fuel filtration art more particularly to a kind of self-draining arrangements and fuel cleaning
Device.
Background technique
Water contained in fuel oil can be such that the oil film for playing lubricating action in precision friction is destroyed.The destruction of lubricating oil film
The accurate devices such as oil pump can be made to be in the state of dry friction or semi-dry friction, or even cause defective injection pump.In addition, moisture may be used also
To promote microorganism to be formed, the pollutant that microorganism generates can reduce the service life of filter core, increase the replacement frequency of filter core.
Firstly, the engine failure understanding that terminal user causes solid particle in fuel oil is more deep, but it is unaware of
Institute is aqueous in fuel oil damages caused by engine, to have ignored the work periodically to be discharged water to fuel filter collecting bowl
Make.Secondly as arrangement is compact, narrow space increases the difficulty manually to discharge water, further reduces terminal user master
The wish of dynamic hand-actuated.Therefore, it even if the fuel filter of hand-actuated has the function of to discharge water, also tends to not play
Due effect.
Summary of the invention
The purpose of the present invention is to provide a kind of self-draining arrangements, discharge water by magnetic force, put by elastic force stopping
Water, to realize that fuel filter automatic draining provides basis.
To achieve the above object, self-draining arrangement of the invention includes valve body, is equipped with inner cylinder in valve body, inner cylinder is vertically set
It sets, inner tank theca is covered with the bobbin of annular, and the coil for generating magnetic field is arranged on bobbin；Valve body top is equipped with down
Water pipe, downcomer extend downwardly into inner cylinder and are connected with inner cylinder；Coil with the vehicle-mounted ECU of motor vehicle for being connected；
Downcomer top extends upwardly to top end of the valve body, and top end of the valve body collaborates into having, inside collaborates and be connected with inner cylinder
It is logical；Horizontal air flue is equipped in valve body, the outer end of horizontal air flue is connected with surrounding air and its inner end is connected with interior collaborate；
Horizontal air flue and the interior intersection collaborated are located in inner cylinder；
Inner cylinder bottom is equipped with fixed core, and fixed core is adapted with inner cylinder, and fixed core outer surface is recessed circumferentially arranged with the sealing of annular
Slot, sealed groove is interior to be equipped with lower seal circle, and lower seal circle forms sealing between inner cylinder and fixed core peripheral surface；Determine iron
In-core is equipped with transparent stepped hole, and stepped hole is connected with downwards outlet pipe, and outlet pipe extends downwardly valve body and is used for water
Discharge；
It is equipped with dynamic iron core in inner cylinder, iron core inner hole is equipped in dynamic iron core, downcomer middle and lower part is located in iron core inner hole and and iron core
Inner hole clearance fit；Dynamic iron core bottom surface is equipped with annular groove, is equipped with spring in annular groove, lower spring end presses against the step
At the step in hole；
Iron core inner hole bottom below downcomer is equipped with docking station, and docking station is equipped with spliced eye, inserts from top to bottom at spliced eye
It is connected to valve seat, protrudes into downcomer at the top of valve seat, at the top of valve seat and be lauched between inside pipe wall there is gap, valve seat top circumferentially connects
It is connected to X-shaped sealing ring；Downcomer lower end is down big up small horn mouth；Bell-mouthed lower end diameter is greater than the straight of X-shaped sealing ring
Diameter；
Seal plug is fixedly embedded at the top of dynamic iron core below inside collaborating；
When coil blackout, dynamic iron core presses seal plug and valve seat upwards under the effect of spring force, in seal plug blocks
It collaborates and the intersection of horizontal air flue, valve seat protrudes into downcomer and X-shaped sealing ring forms sealing between valve seat and downcomer；
When coil is powered, dynamic iron core drives seal plug and valve seat to move down under the magnetic force, and seal plug leaves interior
It collaborates and the intersection of horizontal air flue, interior collaborate is made to be connected with horizontal air flue；Simultaneously valve seat and X-shaped sealing ring downwards from
Downcomer is opened, downcomer is made to be connected with inner cylinder.
The body top horizontal extension is equipped with mounting plate, and mounting plate is equipped with mounting hole.
Equipped with the iron cover that vertical cross-section is C-shaped in valve body, bobbin and inner cylinder are located in iron cover, and inner cylinder is upward through iron
Cover, outlet pipe are passed down through iron cover and valve body.
The body top raises upward equipped with air water connected unit, inside collaborates and the top of sewer is open in air water
The top of connected unit.
The object of the invention is also to provide a kind of combustions with automatic draining function using above-mentioned self-draining arrangement
Oil rectifier, the fuel filter include shell, and filter core is equipped in shell, and case top is equipped with pedestal, and pedestal is equipped with oil inlet
Mouthful, oil outlet and gas vent, be equipped with water collection chamber in the shell below filter core；
Shell is connected with downwards sediment bowl, and sediment bowl is connected to water collection chamber sealing；High water level position and low is preset in sediment bowl
Water level position, high water level position are located at the top of sediment bowl, and low water level position is located at sediment bowl bottom；
The water level sensor for sensed water level is equipped in sediment bowl, water level sensor is connected with vehicle-mounted ECU；It is erected in sediment bowl
To snorkel is equipped with, snorkel top is open and is higher than high water level position；
Sediment bowl connects downwards the self-draining arrangement, the downcomer of self-draining arrangement upwards with the sealed bottom of sediment bowl
Connection；Snorkel is connected to interior sealing of collaborating downwards.
It further include the connector having for being connected with vehicle electronic circuit, the connecting line of water level sensor and the connecting line of coil
It is connected respectively with connector, water level sensor and coil passes through connector respectively and vehicle electronic circuit is connected with vehicle-mounted ECU.
The object of the invention is also to provide the application method of the above-mentioned fuel filter with automatic draining function, the party
Method sequentially includes the following steps:
When vehicle powers on, the signal of vehicle-mounted ECU sensed water level sensor；
If the water level in sediment bowl is not up to high water level position, stop the signal of sensed water level sensor, terminates the work that discharges water
Industry；
If the water level in sediment bowl reaches high water level position, it is electric that vehicle-mounted ECU obtains coil, and fixed core and dynamic iron core generate magnetic
Property and mutually adsorb, the downward compressed spring of dynamic iron core under the magnetic force, dynamic iron core drives seal plug and valve seat to moving down
It is dynamic, seal plug leave in collaborate and the intersection of horizontal air flue, make in collaborate and be connected with horizontal air flue；Valve seat simultaneously
With X-shaped sealing ring downward away from downcomer, downcomer is made to be connected with inner cylinder；
The water in sediment bowl is discharged along downcomer, inner cylinder and outlet pipe under gravity, while surrounding air is along horizontal gas
Road, it is interior collaborate and snorkel enters sediment bowl, preventing from forming negative pressure in sediment bowl causes water not discharge downwards；
When the water level decreasing in sediment bowl to lower water level position, vehicle-mounted ECU makes coil blackout, and fixed core and dynamic iron core lose magnetic
Property, dynamic iron core presses seal plug and valve seat upwards under the effect of spring force, collaborates in seal plug closure and level
The intersection of air flue, prevents surrounding air from continuing into sediment bowl and water collection chamber, and valve seat extends upwardly into downcomer and X-shaped sealing ring
Sealing is formed between valve seat and downcomer, is prevented the water in sediment bowl from continuing through downcomer and is entered inner cylinder；After coil blackout,
Terminate the operation that discharges water.
Using the present invention, draining is no longer dependent on user direct surveillance water level, manually drains, motor-driven every time
Vehicle start when if water level in sediment bowl reaches high water level position Auto-drainage, greatly facilitate draining, save people
Power ensure that the timeliness of draining, prevent draining not in time to damage caused by filter core and engine.
Self-draining arrangement of the invention is compact-sized, and being connected with vehicle-mounted ECU can be arranged when motor vehicle is powered on
Water enhances the regularity and timeliness of draining without manual hand manipulation, when avoiding manual drainage, since artificial does not know
Property causes water not to be discharged in time.C-type iron cover has magnet accumulating cap, enhances the magnetic attracting power between fixed core and dynamic iron core.
Self-draining arrangement relies on magnetic drive dynamic iron core, and then drives valve seat closure synchronous with seal plug or synchronous relieving downcomer
Collaborate with interior, to realize draining or stop the movement of draining, when draining surrounding air can by it is interior collaborate to enter be
In system, prevent negative pressure from causing to continue to drain.
There are two the strength of action sources of self-draining arrangement, when coil blackout, by spring elastic force by dynamic iron core to
Upper press blocks downcomer and interior collaborates；When coil obtains electric, under the action of magnetic attraction, dynamic iron core overcomes spring force
It moves downward, decontrol downcomer and interior collaborates.
Spring cooperates dynamic iron core, seal plug and valve seat to form press sealing structure, and coil, fixed core and the cooperation of iron cover are dynamic
Iron core, seal plug and valve seat form magnetic-adsorption water distribution structure.
X-shaped sealing ring deformability is strong, when moving up and down with valve seat along downcomer, can be pressed by the tube wall of downcomer
Contracting guarantees that valve seat can be moved up and down swimmingly to greatly reduce the frictional force between X-shaped sealing ring and downcomer tube wall,
It simultaneously being capable of X-shaped sealing ring close connecing of being kept under the action of own resilient between downcomer tube wall again when static
Touching guarantees sealing effect.That is, X-shaped sealing ring not only plays traditional sealing function in the present invention, reduction frictional force is also acted as
Effect.
The setting of annular groove can prevent spring from deviateing in situ in dynamic iron core for a long time up-and-down motion process.
Mounting plate and mounting hole are convenient for installing self-draining arrangement in motor vehicle.The setting of air water connected unit fills convenient for Auto-drainage
It sets and carries out air water connection with sediment bowl.Water level sensor and coil pass through connector respectively and vehicle electronic circuit is connected with vehicle-mounted ECU
It connects, it is very convenient that the present invention is connected with motor circuit.
Using the present invention, a water level signal is all detected when each motor vehicle is powered on, therefore can be in time by sediment bowl
And the water discharge in the water collection chamber of filter.It is once drained when it is of course also possible to which motor vehicle being powered on every time.
In short, using self-draining arrangement of the invention, using the fuel filter and application method of the device, can
Automatically the case where water is discharged, water collection chamber is avoided to be filled with water in time, extend the service life of filter core, prevent fuel water-containing to starting
Machine damages, and reduces the use cost of the fuel filter and motor vehicle with automatic draining function, reduces upkeep operation
Frequency.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of self-draining arrangement of the invention；
Fig. 2 is the appearance schematic diagram of self-draining arrangement；
Fig. 3 is the A-A direction view of Fig. 2；
Fig. 4 is the structural schematic diagram that self-draining arrangement and sediment bowl are assembled together；
Fig. 5 is the structural schematic diagram with the fuel filter of automatic draining function；
Fig. 6 is the structural schematic diagram of fixed core and outlet pipe；
Fig. 7 is the structural schematic diagram that dynamic iron core is matched with valve seat and seal plug.
Specific embodiment
As shown in Figures 1 to 7, self-draining arrangement of the invention includes valve body 1, and inner cylinder 2 is equipped in valve body 1, and inner cylinder 2 is perpendicular
To setting, 2 outer wall of inner cylinder is covered with the bobbin 3 of annular, and the coil 4 for generating magnetic field is arranged on bobbin 3；Valve body 1
Top is equipped with downcomer 5, and downcomer 5 extends downwardly into inner cylinder 2 and is connected with inner cylinder 2；Coil 4 is for vehicle-mounted with motor vehicle
ECU is connected；Vehicle-mounted ECU is conventional equipment, not shown.
5 top of downcomer extends upwardly to 1 top of valve body and for being connected with 6 bottom of sediment bowl；1 top of valve body is downward
7 are collaborated equipped with interior, and inside collaborate 7 is connected with inner cylinder 2；Horizontal air flue 8, the outer end of horizontal air flue 8 are equipped in 1 top of valve body
It is connected with surrounding air and its inner end 7 is connected with interior collaborate；Horizontal air flue 8 with it is interior collaborate 7 intersection be located at it is interior
In cylinder 2；
2 bottom of inner cylinder is equipped with fixed core 9, and fixed core 9 is adapted with inner cylinder 2, and 9 outer surface of fixed core is close circumferentially arranged with annular
Groove is sealed, is equipped with lower seal circle 10, the shape between 9 peripheral surface of inner cylinder 2 and fixed core of lower seal circle 10 in sealed groove
At sealing；Be equipped with transparent stepped hole 11 in fixed core 9, stepped hole 11 is connected with downwards outlet pipe 12, outlet pipe 12 to
Lower stretching valve body 1 simultaneously is used to for water being discharged；
It is equipped with dynamic iron core 13 in inner cylinder 2, is equipped with iron core inner hole 14 in dynamic iron core 13,5 middle and lower part of downcomer is located at iron core inner hole 14
In and with 14 clearance fit of iron core inner hole；13 bottom surface of dynamic iron core is equipped with annular groove 15, is equipped with spring 16, bullet in annular groove 15
16 lower end of spring presses against at the step of the stepped hole 11；
14 bottom of iron core inner hole of the lower section of downcomer 5 is equipped with docking station 17, and docking station 17 is equipped with spliced eye, by upper at spliced eye
It is plugged with valve seat 18 downwards, downcomer 5 is protruded at the top of valve seat 18, there is gap, valve between 18 top of valve seat and 5 inner wall of downcomer
18 tops of seat are connected with X-shaped sealing ring 19 in sealing annular groove 20 circumferentially arranged with sealing annular groove 20；Under downcomer 5
End is down big up small horn mouth；Bell-mouthed lower end diameter is greater than the diameter of X-shaped sealing ring 19；
Inside collaborate 7 lower section dynamic iron core 13 at the top of be fixedly embedded at seal plug 21；
When coil 4 powers off, dynamic iron core 13 presses seal plug 21 and valve seat 18, seal plug upwards under the action of 16 elastic force of spring
First 21 block in collaborate 7 with the intersection of horizontal air flue 8, valve seat 18 protrudes into downcomer 5 and X-shaped sealing ring 19 is in 18 He of valve seat
Sealing is formed between downcomer 5；
When coil 4 is powered, dynamic iron core 13 drives seal plug 21 and valve seat 18 to move down under the magnetic force, seal plug
21 leave in collaborate 7 with the intersection of horizontal air flue 8, make in collaborate and 7 be connected with horizontal air flue 8；Valve seat 18 and X simultaneously
Type sealing ring 19 makes downcomer 5 be connected with inner cylinder 2 downward away from downcomer 5.
The setting of annular groove 15 can prevent spring 16 inclined in the long-term up-and-down motion process of dynamic iron core 13
From original position.
1 top horizontal of valve body, which extends, is equipped with mounting plate 22, and mounting plate 22 is equipped with mounting hole 23.Mounting plate 22 and peace
It is convenient for that self-draining arrangement is installed in motor vehicle in dress hole 23.
Equipped with the iron cover 24 that vertical cross-section is C-shaped in valve body 1,4 frame 3 of coil and inner cylinder 2 are located in iron cover 24, inner cylinder 2 to
On across iron cover 24, outlet pipe 12 is passed down through iron cover 24 and valve body 1.The effect of poly- magnetic, Neng Gouzeng are played in the setting of iron cover 24
Magnetic attracting power between strong fixed core 9 and dynamic iron core 13.
Raised upward at the top of the valve body 1 equipped with air water connected unit 25, inside collaborate 7 and the top of sewer be open
The top of air water connected unit 25.
The setting of air water connected unit 25 carries out air water connection convenient for self-draining arrangement and sediment bowl 6.
The invention also discloses the fuel filters with automatic draining function for using above-mentioned self-draining arrangement, including
Shell 26, shell 26 is interior to be equipped with filter core, pedestal 27 is equipped at the top of shell 26, pedestal 27 is equipped with oil inlet 28,29 and of oil outlet
Gas vent 30 is equipped with water collection chamber in the shell 26 below filter core；Filter core and water collection chamber are the existing structure in shell 26, and figure is not
Show.
Shell 26 is connected with downwards sediment bowl 6, and sediment bowl 6 is connected to water collection chamber sealing；High water level is preset in sediment bowl 6
Position and low water level position, high water level position are located at 6 top of sediment bowl, and low water level position is located at 6 bottom of sediment bowl；
The water level sensor 31 for sensed water level is equipped in sediment bowl 6, water level sensor 31 is connected with vehicle-mounted ECU；Precipitating
Snorkel is vertically equipped in cup 6, snorkel top is open and is higher than high water level position；Snorkel is conventional structure, not shown.
Sediment bowl 6 connects downwards the self-draining arrangement, the downcomer 5 of self-draining arrangement upwards with sediment bowl 6
Sealed bottom connection；Snorkel is connected to interior 7 sealings of collaborating downwards.
The water level sensor 31 can be set two, a detection high water level, a detection low water level；Also it can be set
One has the water level sensor 31 of more than two probes (probe), detects high water level and low respectively by two probes (probe)
Water level.It is the prior art, is no longer described in detail.
It further include the connector 32 having for being connected with vehicle electronic circuit, the connecting line 33 and coil 4 of water level sensor 31
Connecting line 33 be connected respectively with connector 32, water level sensor 31 and coil 4 pass through connector 32 and vehicle electronic circuit respectively
It is connected with vehicle-mounted ECU.
Connector 32 is motor vehicle conventional equipment, and specific structure is no longer described in detail.Water level sensor 31 and coil 4 pass through respectively
Connector 32 and vehicle electronic circuit are connected with vehicle-mounted ECU, very convenient that the present invention is connected with motor circuit.
The invention also discloses the application methods of the above-mentioned fuel filter with automatic draining function, according to the following steps into
Row:
When vehicle powers on, the signal of vehicle-mounted ECU sensed water level sensor 31；
If the water level in sediment bowl 6 is not up to high water level position, stop the signal of sensed water level sensor 31, terminates to discharge water
Operation；
If the water level in sediment bowl 6 reaches high water level position, vehicle-mounted ECU makes coil 4 obtain electric, fixed core 9 and dynamic iron core 13
It generates magnetic and mutually adsorbs, under the magnetic force the downward compressed spring 16 of dynamic iron core 13, dynamic iron core 13 drives seal plug
21 and valve seat 18 move down, seal plug 21 leave in collaborate 7 with the intersection of horizontal air flue 8, make in collaborate 7 and water
Flat air flue 8 is connected；Valve seat 18 and X-shaped sealing ring 19 make downcomer 5 be connected with inner cylinder 2 downward away from downcomer 5 simultaneously；
The water in sediment bowl 6 is discharged along downcomer 5, inner cylinder 2 and outlet pipe 12 under gravity, while surrounding air is along water
Flat air flue 8, it is interior collaborate 7 and snorkel enter sediment bowl 6, preventing from forming negative pressure in sediment bowl 6 causes water not discharge downwards；
When the water level decreasing in sediment bowl 6 to lower water level position, vehicle-mounted ECU powers off coil 4, fixed core 9 and dynamic iron core 13
It loses magnetism, dynamic iron core 13 presses seal plug 21 and valve seat 18,21 envelope of seal plug upwards under the action of 16 elastic force of spring
The intersection of stifled interior collaborate 7 and horizontal air flue 8, prevents surrounding air from continuing into sediment bowl 6 and water collection chamber, valve seat 18 is upward
It protrudes into downcomer 5 and X-shaped sealing ring 19 forms sealing between valve seat 18 and downcomer 5, prevent the water in sediment bowl 6 from persistently leading to
It crosses downcomer 5 and enters inner cylinder 2；After coil 4 powers off, terminate the operation that discharges water.
Using the present invention, a water level signal is all detected when each motor vehicle is powered on, therefore can be in time by sediment bowl 6
And the water discharge in the water collection chamber of filter.
Consider worst situation, i.e., when certain motor vehicle is powered on, the water level in sediment bowl 6 is immediately lower than high water level position
Little by little, draining is not triggered.If motor vehicle is short distance traveling, water collection chamber is enough to store a driving process intermediate fuel oil filter
The water generated in clear device.If motor vehicle is long-distance running, motor vehicle inevitably will do it during long-distance running
Parking is refueled, parking has a meal or rests, it is also possible to the case where encountering accident extinguishing.These situations can all cause vehicle electronic circuit disconnected
Electricity, so that extra long distance be avoided to continuously drive and the case where vehicle electronic circuit is not powered back up.
When restarting motor vehicle, vehicle-mounted ECU can detect a water level signal again, to drain in time.
Certainly, in the use of the present invention, can also be when each motor vehicle power on, ECU is that coil 4 is powered, and carries out one
Secondary draining.Water discharge time can be definite value, be subject to the time required to emptying under sediment bowl 6 and the equal full water state of water collection chamber, in this way
Water level need not be just monitored, can also ensure that timely draining.
In short, using the fuel filter and application method with automatic draining function of the invention, can it is automatic and
When the case where water is discharged, water collection chamber is avoided to be filled with water, extend the service life of filter core, prevent fuel water-containing from causing to engine
Damage reduces the use cost of the fuel filter and motor vehicle with automatic draining function, reduces the frequency of upkeep operation.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (7)
1. self-draining arrangement, including valve body, it is characterised in that: be equipped with inner cylinder in valve body, inner cylinder is vertically arranged, inner tank theca cover
Equipped with annular bobbin, the coil for generating magnetic field is arranged on bobbin；Valve body top be equipped with downcomer, downcomer to
Under protrude into inner cylinder and be connected with inner cylinder；Coil with the vehicle-mounted ECU of motor vehicle for being connected；
Downcomer top extends upwardly to top end of the valve body, and top end of the valve body collaborates into having, inside collaborates and be connected with inner cylinder
It is logical；Horizontal air flue is equipped in valve body, the outer end of horizontal air flue is connected with surrounding air and its inner end is connected with interior collaborate；
Horizontal air flue and the interior intersection collaborated are located in inner cylinder；
Inner cylinder bottom is equipped with fixed core, and fixed core is adapted with inner cylinder, and fixed core outer surface is recessed circumferentially arranged with the sealing of annular
Slot, sealed groove is interior to be equipped with lower seal circle, and lower seal circle forms sealing between inner cylinder and fixed core peripheral surface；Determine iron
In-core is equipped with transparent stepped hole, and stepped hole is connected with downwards outlet pipe, and outlet pipe extends downwardly valve body and is used for water
Discharge；
It is equipped with dynamic iron core in inner cylinder, iron core inner hole is equipped in dynamic iron core, downcomer middle and lower part is located in iron core inner hole and and iron core
Inner hole clearance fit；Dynamic iron core bottom surface is equipped with annular groove, is equipped with spring in annular groove, lower spring end presses against the step
At the step in hole；
Iron core inner hole bottom below downcomer is equipped with docking station, and docking station is equipped with spliced eye, inserts from top to bottom at spliced eye
It is connected to valve seat, protrudes into downcomer at the top of valve seat, at the top of valve seat and be lauched between inside pipe wall there is gap, valve seat top circumferentially connects
It is connected to X-shaped sealing ring；Downcomer lower end is down big up small horn mouth；Bell-mouthed lower end diameter is greater than the straight of X-shaped sealing ring
Diameter；
Seal plug is fixedly embedded at the top of dynamic iron core below inside collaborating；
When coil blackout, dynamic iron core presses seal plug and valve seat upwards under the effect of spring force, in seal plug blocks
It collaborates and the intersection of horizontal air flue, valve seat protrudes into downcomer and X-shaped sealing ring forms sealing between valve seat and downcomer；
When coil is powered, dynamic iron core drives seal plug and valve seat to move down under the magnetic force, and seal plug leaves interior
It collaborates and the intersection of horizontal air flue, interior collaborate is made to be connected with horizontal air flue；Simultaneously valve seat and X-shaped sealing ring downwards from
Downcomer is opened, downcomer is made to be connected with inner cylinder.
2. self-draining arrangement according to claim 1, it is characterised in that: the body top horizontal extension is equipped with installation
Plate, mounting plate are equipped with mounting hole.
3. self-draining arrangement according to claim 2, it is characterised in that: equipped with the iron that vertical cross-section is C-shaped in valve body
Cover, bobbin and inner cylinder are located in iron cover, and inner cylinder is upward through iron cover, and outlet pipe is passed down through iron cover and valve body.
4. self-draining arrangement according to any one of claim 1 to 3, it is characterised in that: the body top is upward
Protrusion is equipped with air water connected unit, inside collaborates and the top of sewer is open on the top of air water connected unit.
5. using the fuel filter with automatic draining function of the self-draining arrangement in claim 3, including shell, shell
It is equipped with filter core in vivo, case top is equipped with pedestal, and pedestal is equipped with oil inlet, oil outlet and gas vent, the shell below filter core
It is interior to be equipped with water collection chamber；It is characterized by:
Shell is connected with downwards sediment bowl, and sediment bowl is connected to water collection chamber sealing；High water level position and low is preset in sediment bowl
Water level position, high water level position are located at the top of sediment bowl, and low water level position is located at sediment bowl bottom；
The water level sensor for sensed water level is equipped in sediment bowl, water level sensor is connected with vehicle-mounted ECU；It is erected in sediment bowl
To snorkel is equipped with, snorkel top is open and is higher than high water level position；
Sediment bowl connects downwards the self-draining arrangement, the downcomer of self-draining arrangement upwards with the sealed bottom of sediment bowl
Connection；Snorkel is connected to interior sealing of collaborating downwards.
6. the fuel filter according to claim 5 with automatic draining function, it is characterised in that: further include being used for
The connector being connected with vehicle electronic circuit, the connecting line of water level sensor and the connecting line of coil are connected with connector respectively,
Water level sensor and coil pass through connector respectively and vehicle electronic circuit is connected with vehicle-mounted ECU.
7. the application method of the fuel filter described in claim 5 with automatic draining function, it is characterised in that by following
Step carries out:
When vehicle powers on, the signal of vehicle-mounted ECU sensed water level sensor；
If the water level in sediment bowl is not up to high water level position, stop the signal of sensed water level sensor, terminates the work that discharges water
Industry；
If the water level in sediment bowl reaches high water level position, it is electric that vehicle-mounted ECU obtains coil, and fixed core and dynamic iron core generate magnetic
Property and mutually adsorb, the downward compressed spring of dynamic iron core under the magnetic force, dynamic iron core drives seal plug and valve seat to moving down
It is dynamic, seal plug leave in collaborate and the intersection of horizontal air flue, make in collaborate and be connected with horizontal air flue；Valve seat simultaneously
With X-shaped sealing ring downward away from downcomer, downcomer is made to be connected with inner cylinder；
The water in sediment bowl is discharged along downcomer, inner cylinder and outlet pipe under gravity, while surrounding air is along horizontal gas
Road, it is interior collaborate and snorkel enters sediment bowl, preventing from forming negative pressure in sediment bowl causes water not discharge downwards；
When the water level decreasing in sediment bowl to lower water level position, vehicle-mounted ECU makes coil blackout, and fixed core and dynamic iron core lose magnetic
Property, dynamic iron core presses seal plug and valve seat upwards under the effect of spring force, collaborates in seal plug closure and level
The intersection of air flue, prevents surrounding air from continuing into sediment bowl and water collection chamber, and valve seat extends upwardly into downcomer and X-shaped sealing ring
Sealing is formed between valve seat and downcomer, is prevented the water in sediment bowl from continuing through downcomer and is entered inner cylinder；After coil blackout,
Terminate the operation that discharges water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186538.0A CN109058012B (en) | 2018-10-12 | 2018-10-12 | Automatic drainage device, fuel filter using same and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186538.0A CN109058012B (en) | 2018-10-12 | 2018-10-12 | Automatic drainage device, fuel filter using same and using method thereof |
Publications (2)
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| CN109058012A true CN109058012A (en) | 2018-12-21 |
| CN109058012B CN109058012B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811186538.0A Active CN109058012B (en) | 2018-10-12 | 2018-10-12 | Automatic drainage device, fuel filter using same and using method thereof |
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| CN109653919A (en) * | 2018-12-28 | 2019-04-19 | 平原滤清器有限公司 | Non-return thermostat valve and the modularization environment protection-type fuel filter for using non-return thermostat valve |
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| CN110772885A (en) * | 2019-12-07 | 2020-02-11 | 周柏松 | Automatic precipitation separation device is used in processing of kudzu vine cake |
| CN111120124A (en) * | 2020-01-22 | 2020-05-08 | 平原滤清器有限公司 | Water discharging method of fuel filter |
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