CN202596944U - Fuel filter of integral automatic water drain valve - Google Patents
Fuel filter of integral automatic water drain valve Download PDFInfo
- Publication number
- CN202596944U CN202596944U CN 201220025966 CN201220025966U CN202596944U CN 202596944 U CN202596944 U CN 202596944U CN 201220025966 CN201220025966 CN 201220025966 CN 201220025966 U CN201220025966 U CN 201220025966U CN 202596944 U CN202596944 U CN 202596944U
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- water
- fuel filter
- controller
- signal
- solenoid valve
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Abstract
The utility model aims at providing a fuel filter of an integral automatic water drain valve for the purpose of solving the problem for an existing fuel filter inconvenient to drain water. The fuel filter of the integral automatic water drain valve comprises a filter element and a water-collecting container under the filter element, and is characterized by including a magnetic valve, a controller, and a water sense unit. The magnet valve is arranged at a water outlet at the bottom of the water-collecting container, the controller controls current signals to the magnetic valve according to water signals so as to start up the magnetic valve when the water sense unit detests the water signals and the water signals are transmitted to the controller.
Description
Technical field
The utility model relates to fuel filter.
Background technique
Containing water in the fuel oil is a kind of universal phenomenon, because water can get into the fuel tank the vehicle fuel system from number of ways.Most water in the fuel oil derive from treatment process of oil refinery itself bad with transportation, storage process in the sneaking into of rainwater.Oil filler is arranged usually, but people have often forgotten to add a block in the above on the fuel oil storage facilities; Under the situation that does not have block, rainwater also can flow into the storage facilities from oil filler.
When moisture in the fuel oil and when getting in the oil-fired system of automobile, can cause following problem:
1. impel iron part corrosion, aluminum hardware corrosion in fuel injection system;
2. cause that cavitation pitting causes the nozzle top to be lost efficacy;
3. reduce the greasy property of fuel oil, cause the wearing and tearing of nozzle and pump plunger;
4. nourish of the junction plane growth of the microorganism of those ability blocking filters at oil/water.
Therefore, in the vehicle fuel system, using fuel filter (oil and water seperator) is modal processing mode.This oil and water seperator generally is loaded on after the fuel tank, before the mechanical fuel transfer pump; Filtering material in fuel filter is tackled moisture; Make clean oil be sent to the rear end of oil-fired system; Impurity is trapped on the filtering material, and water then is lowered in cleaner bottom secction or the drinking cup special by self the gravity at water after the interception.Bottom at filter cleaner is provided with discharging valve, and the driver need be put primary water in regular per 2～3 days.If but the driver is unwilling or has forgotten regular discharging water, the water of cleaner bottom secction can get more and more; When water level surpass filtering material bottom the time, the drainability that water just can destroy filtering material directly gets into the rear end of oil-fired system, time one length will cause breakdown in the motor.
The model utility content
The purpose of the utility model is to provide a kind of fuel filter of integrated automatic drain valve, to overcome the not convenient problem that discharges water in the prior fuel oil filter cleaner.
Be the fuel filter of the integrated automatic drain valve of realizing said purpose, the collecting container that comprises filter core and be arranged on the filter core below is characterized in; Comprise solenoid valve, controller and water sensing unit; Solenoid valve is arranged in the drain opening of collecting container bottom, and the water sensing unit has detected the water signal, has the water signal to be delivered to controller; Controller is according to water SC sigmal control current signal being arranged to solenoid valve, with opens solenoid valve.
The fuel filter of described integrated automatic drain valve, its further characteristics be, the water sensing unit comprises isolated two probes, and two probes are arranged on the collecting container bottom.
The fuel filter of described integrated automatic drain valve, its further characteristics are between two probes the probe isolating plate to be arranged.
The fuel filter of described integrated automatic drain valve, its further characteristics be, also comprises timer, controller according to the timing signal that water signal and timer are arranged at the fixed time the inner control current signal continue the said solenoid valve of unlatching.
The fuel filter of described integrated automatic drain valve; Its further characteristics are; Also comprise the engine behavior detection device; The engine behavior detection device provides engine status signal to controller, and controller is according to engine status signal and have water SC sigmal control current signal to open said solenoid valve.
The fuel filter of described integrated automatic drain valve, its further characteristics are also to comprise the warning light on the automobile instrument panel, the short-circuit signal control current signal unlatching warning light that two probes of controller reception produce.
The fuel filter of described integrated automatic drain valve, its further characteristics are that the ingress of solenoid valve is provided with strainer.
The utility model is compared with the existing commercially available oil and water seperator that does not have integrated automatic jettison gear, has following several respects advantage:
1. realized the non-maintaining of oil and water seperator
Before-the improvement, whether the bottom of the inspection oil and water seperator that the user must be regular has water and regular discharging water
After-the improvement, the user need not check whether water is arranged, and is easy-to-use
2. reduced requirement, enlarged the application demand of product oil product
Before-the improvement, if water content is higher in the employed diesel oil, the speed of oil and water seperator bottom ponding can be accelerated greatly, and possibly only work just to make the long-pending full water in bottom in 1 day, causes the water of separating to see through filtering material again and gets into engine system
After-the improvement,, discharge water if any meeting no matter how whether the water content of used diesel oil, have water bottom jettison gear all can be judged automatically automatically before each engine start at once;
Description of drawings
Fig. 1 is the decomposition view of fuel filter.
Fig. 2 is the plan view of fuel filter.
Fig. 3 is the local enlarged diagram of the bottom of fuel filter.
Fig. 4 is the logic diagram of the control section of discharging valve.
Embodiment
As depicted in figs. 1 and 2, fuel filter comprises fuel filter seat 1, fuel oil fitering element 3 and water tumbler 5.Fuel oil fitering element 3 is for revolving shape formula filter core, and water tumbler 5 is an embodiment of collecting container.Fuel oil fitering element 3 is connected the bottom of fuel filter seat 1, and water tumbler 5 is connected the bottom of fuel oil fitering element 3.Fuel oil gets into from the fuel filler 7 of fuel filter seat 1, and flow into fuel oil fitering element 3, from fuel outlet 8, flows out after filtering.Impurity is trapped on the filtering material 31 of fuel oil fitering element 3, and water then is lowered in cleaner bottom secction or the drinking cup special 5 by self the gravity at water after the interception.
To shown in Figure 3, solenoid valve 51 is installed in the drain opening of the bottom of water tumbler 5 like Fig. 1, in a single day solenoid valve 51 is opened, and just the water in the water tumbler 5 is discharged.The water sensing unit has also been installed in the bottom of water tumbler 5.In an embodiment of the utility model, the water sensing unit is made up of two probes 53, and two probes 53 are spaced apart, and is preferably spaced apart by probe isolating plate 54, to avoid short circuit.The lower end of two probes 53 is attached on the controller (electronic control board) 55; Probe 53 is electrically connected with controller 55; Controller 55 also is connected with two electrical ends of solenoid valve 51 through wiring 501,502; Connect power supplys through wiring 502 simultaneously, be connected with ground wire, be connected with warning light 62 (as shown in Figure 4) on the automobile instrument panel through wiring 503 through wiring 504.
The aforementioned mode of connection is merely an embodiment of the utility model, and the mode of connection between solenoid valve, controller, the water sensing unit is not limited thereto, and the signal transitive relation between them is shown in Fig. 4.
Fig. 4 shows the logic diagram of control electromagnetic valve; I.e. two probes, 53 generations of water sensing unit have the water signal, and controller 55 is according to water SC sigmal control current signal being arranged to solenoid valve 51, with opens solenoid valve 51; But do not have between two probes 53 when having the water signal to produce, solenoid valve 51 just cuts out.
Preferably; Control to solenoid valve also comprises timer 60; Controller 55 is controlled current signal to solenoid valve 51 according to the timing signal that has the water signal to combine timer 60 to provide simultaneously, so that solenoid valve 51 continued to open in a period of time, can prevent that like this mode solenoid valve 51 is overheated.
Preferably, the control of solenoid valve 51 is also comprised engine behavior detection device 61, engine behavior detection device 61 for example is the part of engine control system; Its state signal that motor is provided is to controller 55; Controller 55 according to state signal with have water signal (perhaps combining timing signal simultaneously) to produce current signal to come opens solenoid valve 51, even during engine operation, no signal current produces; Opens solenoid valve 51; Fuel filter often is in the state of negative pressure during engine operation, if this time, opens solenoid valve can cause water to get rid of, causes engine misses but air can get into oil and water seperator; When if motor is not worked, controller 55 control current signal to solenoid valves 51 are with opens solenoid valve 51.
Two probes 53 are if short circuit then is the fault of automatic drain valve, and controller 55 also receives the short-circuit signal of two probes 53, and according to the warning light on short-circuit signal control current signal to the automobile instrument panel, to notify the appearance of user's fault.
The resistance of oil (for example diesel oil) is usually more than 1M Ω in fuel filter, and the resistance of water is about 100K Ω, and because of containing the part metals conductive materials in the water, the resistance of water is littler sometimes to have only tens kilo-ohms.Because the fuel oil in the fuel filter flows, when water is arranged at the bottom, between water and fuel oil, also have the mixing layer of a fuel oil and water simultaneously, its resistance ratio water is big and littler than oil in this position.Therefore press the difference of the probe 53 of water sensing unit, can the resistance when being judged as water be set in tens kilo-ohms to hundreds of kilo-ohm at the height of bottom.Have the water signal to produce based on the resistance between two probes 53, promptly when the resistance of 53 of two probes be during at tens kilo-ohms of particular values to hundreds of kilo-ohm, water signal (for example being voltage signal or current signal) has been received in controller 55 judgements.
When engine operation, along with the ponding of bottom is cumulative, when water level arrived or surpass probe 53, controller 53 control current signals were through solenoid valve 51, and this moment, solenoid valve 51 was started working, and after continuing to discharge water about 15 seconds, stopped automatically.
As shown in Figure 3, in the ingress of solenoid valve 51 strainer 52 is arranged, prevent that big impurity from stopping up solenoid valve.
Water sensing unit, timer and controller can be integrated in the product (being also referred to as water sensor).Two probes and controller are arranged in the circuit, when not having water, electric current are arranged all the time in work between the positive pole of circuit and the negative pole, and promptly controller is in running order all the time, and circuit output has the signaling line of water signal to break off; When there is water at the probe place, this moment resistance, signaling line is connected, circuit output has the water signal.
Claims (7)
1. the fuel filter of integrated automatic drain valve, the collecting container that comprises filter core and be arranged on the filter core below is characterized in that; Comprise solenoid valve, controller and water sensing unit; Solenoid valve is arranged in the drain opening of collecting container bottom, and the water sensing unit has detected the water signal, has the water signal to be delivered to controller; Controller is according to water SC sigmal control current signal being arranged to solenoid valve, with opens solenoid valve.
2. the fuel filter of integrated automatic drain valve as claimed in claim 1 is characterized in that, the water sensing unit comprises isolated two probes, and two probes are arranged on the collecting container bottom.
3. the fuel filter of integrated automatic drain valve as claimed in claim 2 is characterized in that, between two probes the probe isolating plate is arranged.
4. the fuel filter of integrated automatic drain valve as claimed in claim 1 is characterized in that, also comprises timer, controller according to the timing signal that water signal and timer arranged at the fixed time the inner control current signal continue the said solenoid valve of unlatching.
5. the fuel filter of integrated automatic drain valve as claimed in claim 1; It is characterized in that; Also comprise the engine behavior detection device; The engine behavior detection device provides engine status signal to controller, and controller is according to engine status signal and have water SC sigmal control current signal to open said solenoid valve.
6. the fuel filter of integrated automatic drain valve as claimed in claim 2 is characterized in that, also comprises the warning light on the automobile instrument panel, and controller receives the short-circuit signal control current signal unlatching warning light that two probes produce.
7. the fuel filter of integrated automatic drain valve as claimed in claim 1 is characterized in that, the ingress of solenoid valve is provided with strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220025966 CN202596944U (en) | 2012-01-19 | 2012-01-19 | Fuel filter of integral automatic water drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220025966 CN202596944U (en) | 2012-01-19 | 2012-01-19 | Fuel filter of integral automatic water drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202596944U true CN202596944U (en) | 2012-12-12 |
Family
ID=47314491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220025966 Expired - Lifetime CN202596944U (en) | 2012-01-19 | 2012-01-19 | Fuel filter of integral automatic water drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202596944U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207628A (en) * | 2013-03-29 | 2013-07-17 | 北京经纬恒润科技有限公司 | Automobile filtering and water discharging control system and automobile water discharging system and method |
| CN103216367A (en) * | 2012-01-19 | 2013-07-24 | 派克汉尼汾过滤***(上海)有限公司 | Fuel filter integrating automatic water drain valve |
| RU2556476C1 (en) * | 2014-05-20 | 2015-07-10 | Федеральное государственное унитарное предприятие "Центральный ордена Трудового Красного Знамени научно-исследовательский автомобильный и автомоторный институт "НАМИ" | Biofuel cleaning filter |
| CN109058012A (en) * | 2018-10-12 | 2018-12-21 | 平原滤清器有限公司 | Self-draining arrangement, fuel filter and its application method using the device |
| CN109236517A (en) * | 2018-09-26 | 2019-01-18 | 潍柴动力股份有限公司 | A kind of fuel filter of engine, fuel system and fault detection means |
| US10406464B2 (en) | 2016-04-29 | 2019-09-10 | Mann+Hummel Gmbh | Drain control device for a filter system as well as filter system with a drain control device |
| US10406465B2 (en) | 2016-04-29 | 2019-09-10 | Mann+Hummel Gmbh | Drain control device for a filter system as well as filter system with a drain control device |
-
2012
- 2012-01-19 CN CN 201220025966 patent/CN202596944U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216367A (en) * | 2012-01-19 | 2013-07-24 | 派克汉尼汾过滤***(上海)有限公司 | Fuel filter integrating automatic water drain valve |
| CN103207628A (en) * | 2013-03-29 | 2013-07-17 | 北京经纬恒润科技有限公司 | Automobile filtering and water discharging control system and automobile water discharging system and method |
| CN103207628B (en) * | 2013-03-29 | 2016-06-01 | 北京经纬恒润科技有限公司 | A kind of automobile-used filtering discharges water Controlling System, drainage system and method |
| RU2556476C1 (en) * | 2014-05-20 | 2015-07-10 | Федеральное государственное унитарное предприятие "Центральный ордена Трудового Красного Знамени научно-исследовательский автомобильный и автомоторный институт "НАМИ" | Biofuel cleaning filter |
| US10406464B2 (en) | 2016-04-29 | 2019-09-10 | Mann+Hummel Gmbh | Drain control device for a filter system as well as filter system with a drain control device |
| US10406465B2 (en) | 2016-04-29 | 2019-09-10 | Mann+Hummel Gmbh | Drain control device for a filter system as well as filter system with a drain control device |
| CN109236517A (en) * | 2018-09-26 | 2019-01-18 | 潍柴动力股份有限公司 | A kind of fuel filter of engine, fuel system and fault detection means |
| CN109236517B (en) * | 2018-09-26 | 2020-10-30 | 潍柴动力股份有限公司 | Fuel filter, fuel system and fault detection device of engine |
| CN109058012A (en) * | 2018-10-12 | 2018-12-21 | 平原滤清器有限公司 | Self-draining arrangement, fuel filter and its application method using the device |
| CN109058012B (en) * | 2018-10-12 | 2024-01-23 | 平原滤清器有限公司 | Automatic drainage device, fuel filter using same and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |
|
| CX01 | Expiry of patent term |