CN204267840U - A kind of automatic drain valve - Google Patents
A kind of automatic drain valve Download PDFInfo
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- CN204267840U CN204267840U CN201420746504.3U CN201420746504U CN204267840U CN 204267840 U CN204267840 U CN 204267840U CN 201420746504 U CN201420746504 U CN 201420746504U CN 204267840 U CN204267840 U CN 204267840U
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Abstract
The utility model discloses a kind of automatic drain valve, comprise valve body and valve seat, be fixedly connected with between valve body and valve seat by attachment screw, the upper surface of valve seat is provided with filter cap and level sensor, valve seat center outer surface is provided with outside thread; Run through in the inside center of valve body and valve seat and have push rod, the spring for return is arranged with outside the upper end of push rod, electromagnet is connected with in the lower end of push rod, dynamic iron core that can be servo-actuated is arranged with at the middle part of push rod, fixed core is fixed with at the internal surface of valve body, fixed core is located at above dynamic iron core, and leaves gap with push rod, is provided with at fixed core and dynamic iron core outer ring the coil be fixed in valve body.The utility model can realize water-level alarm function, automatic drainage function and self-checking function, and the Separation of Water in filter cleaner can be discharged by Auto-drainage, remove manual operation from, eliminate the problem such as filter efficiency decline, filter core reduction in working life that diesel-oil filter causes because of long-time not draining.
Description
Technical field
The utility model relates to a kind of for the self-draining arrangement in fuel filter.
Background technique
Containing water in fuel oil is a kind of universal phenomenon, because water can enter the fuel tank automotive fuel oil system from number of ways.Most water in fuel oil derives from being mixed into of rainwater in the bad and transport for the treatment of process of oil refinery itself, storage process.Fuel storage equipment has oil filler usually, but people often forget to add a block above; When not blocking a shot, rainwater also can flow into storage facilities from oil filler.
When containing moisture in fuel oil and entering in oil-fired system, then all can produce a very large impact the burning of fuel oil and engine performance, before fuel oil enters combustion system, therefore prevent fuel filter from filtering it.There is the special filter cleaner owing to being separated by the water in fuel oil in vehicle oil way, be also called oil and water seperator.Because the density of the density ratio diesel oil of water is large, water, after separating, can accumulate in cleaner bottom secction.When ponding reaches some, after water level rises to certain altitude, just need the Separation of Water of inside to discharge filter cleaner.
Application is in the market that manually ponding is discharged by discharging valve, and driver master worker often can ignore this point, can not draining in time, causes filter cleaner to use and goes wrong; When water level exceed filtering material bottom time, the drainability that water just can destroy filtering material directly enters the rear end of oil-fired system, and time one length will cause breakdown in the motor.
Through retrieval, the patent with the fuel filter of automatic drainage function has several, the such as patent No. is the fuel filter that CN 103216367A discloses a kind of integrated automatic drain valve, Auto-drainage detection device in this filter cleaner is placed in the side of filter cap, by solenoid valve, controller and water sensing unit, cause the volume of detection system and control gear to increase, be connected inconvenience with fuel filter.Be in CN 103090058B, disclose a kind of fuel filter automatic drain valve with working state self-checking function in the patent No., this drain valve middle controller is connected with electromagnetism valve point respectively at valve body, its position is attached to the side of solenoid valve housing, this situation and last patent structure similar.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of automatic drain valve, control gear in this drain valve and solenoid valve are apart arrangement, use control gear to solenoid valve, not only reduce the volume of solenoid valve, and simplify the assembling between solenoid valve and filter cleaner.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of automatic drain valve, it is characterized in that comprising valve body and valve seat, be fixedly connected with by attachment screw between described valve body and valve seat, the upper surface of valve seat is provided with filter cap and level sensor, and valve seat center outer surface is provided with outside thread; Run through in the inside center of valve body and valve seat and have push rod, the spring for return is arranged with outside the upper end of push rod, electromagnet is connected with in the lower end of push rod, dynamic iron core that can be servo-actuated is arranged with at the middle part of push rod, fixed core is fixed with at the internal surface of valve body, described fixed core is located at above dynamic iron core, and leaves gap with push rod, is provided with at fixed core and dynamic iron core outer ring the coil be fixed in valve body.
Said structure is further qualified, described valve body is provided with weep hole, the inner chamber of valve seat is in communication with the outside by described weep hole, water hole sealing gasket is provided with in the cavity portion joint of weep hole and valve body, described water hole sealing gasket is wrapped in the outside of push rod, and moves up and down along with push rod.
Said structure is further qualified, described valve seat is provided with inlet hole, and described inlet hole is communicated with the external world with the cavity of valve seat, and its position is lower than push rod top, be provided with port sealing pad in the position that inlet hole is communicated with cavity, link between described port sealing pad and push rod.
Be further qualified said structure, the side of described electromagnet is provided with position transducer, and described position transducer and valve body lower surface are connected as a single entity.
Said structure is further qualified, also comprise controller, described controller is with coil, be electrically connected between level sensor and position transducer, and valve body outside utilizes fixed hole to be fixed with shell, affixed between the connection wire of described shell and controller.
The beneficial effect adopting technique scheme to produce is: the utility model is by operating between controller and solenoid valve, and the signal transmission of hydrous water level sensor and position transducer, water-level alarm function, automatic drainage function and self-checking function can be realized, and the Separation of Water in filter cleaner can be discharged by automatic drainage function, remove manual operation from, eliminate the problem such as filter efficiency decline, filter core reduction in working life that diesel-oil filter causes because of long-time not draining; In addition, be apart arrangement by control gear and valve body in the utility model, and realize connecting the affixed of wire, by control system to solenoid valve by the shell of valve body outside, not only reduce the volume of solenoid valve on the whole, and simplify the assembling between solenoid valve and filter cleaner.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the orthographic projection view of Fig. 1;
Fig. 3 is the A-A sectional view in Fig. 2;
Wherein: 1, level sensor, 2, valve seat, 3, filter cap, 4, fixed hole, 5, valve body, 6, electromagnet, 7, attachment screw, 8, position transducer, 9, pressure ring, 10, spring, 11, port sealing pad, 12, inlet hole, 13, water hole sealing gasket, 14, weep hole, 15, fixed core, 16, push rod, 17, coil, 18, dynamic iron core.
Embodiment
As shown in Figure 1, the utility model is specifically related to a kind of automatic drain valve, is mainly used in realizing automatic drainage function in fuel filter.Automatic drain valve mainly comprises valve body 5, valve seat 2, be fixedly connected with by attachment screw 7 between valve body 5 and valve seat 2, the upper surface of valve seat 2 is provided with filter cap 3 and level sensor 1, and wherein filter cap 3 is for impurity screening, and when preventing draining, impurity flows in solenoid valve.
Also comprise controller in the utility model, controller is with coil 17, be electrically connected between level sensor 1 and position transducer 8, and solenoid valve outside utilizes fixed hole 4 to be fixed with shell, affixed between the connection wire of shell and controller.Controller and solenoid valve are apart arrangement, and realize connecting the affixed of wire by the shell of solenoid valve outside, by control system to solenoid valve, not only reduce the volume of solenoid valve on the whole, and simplify the assembling between solenoid valve and filter cleaner.
What the utility model utilized level sensor 1 detects height of water level in filter cleaner, after reaching warning height, then sends alarm signal to controller; Separately be provided with outside thread at valve seat 2 center outer surface, to be threadedly secured on the housing of fuel filter;
Run through in the inside center of valve body 5 and valve seat 2 and have push rod 16, be arranged with the spring 10 for return outside the upper end of push rod 16, the upper end of return spring 10 is supported on pressure ring 9, and the other end coordinates with the shaft shoulder of push rod 16; Electromagnet 6 is connected with in the lower end of push rod 16, dynamic iron core 18 that can be servo-actuated is arranged with at the middle part of push rod 16, fixed core 15 is fixed with at the internal surface of valve body 5, fixed core 15 is located at above dynamic iron core 18, and leave gap with push rod 16, be provided with at fixed core 15 and dynamic iron core 18 outer ring the coil 17 being fixed on valve body 5 internal surface.Utilize fixed core 15 and dynamic iron core 18 to coordinate coil 17, band motor magnet 6 moves up and down, thus realizes its location sensitive and action drives, completes Auto-drainage of the present utility model and air inlet.
Valve body 5 is provided with weep hole 14, and weep hole 14 is communicated with the cavity being provided with valve seat 2, and be provided with water hole sealing gasket 13 at weep hole 14 and the cavity portion joint of valve body 5, water hole sealing gasket 13 is wrapped in the outside of push rod 16, and moves up and down along with push rod 16.When water level reaches warning line, control gear drives dynamic iron core 18 to drive push rod 16 to move, and drives water hole sealing gasket 13, and the cavity realizing valve seat 2 is communicated with weep hole 14, is discharged by the Separation of Water in filter cleaner.
Due to can vacuum be formed during draining in valve body 5, therefore on valve seat 2, inlet hole 12 is also provided with, inlet hole 12 is communicated with the external world with the cavity of valve seat 2, and its position is lower than push rod 16 top, port sealing pad 11 is provided with in the position that inlet hole 12 is communicated with cavity, adopt between port sealing pad 11 and push rod 16 and be linked, thus successfully Separation of Water can be discharged filter cleaner.
Position transducer 8 is provided with in the side of electromagnet 6, position transducer 8 and valve body 5 lower surface are connected as a single entity, the signal that position transducer 8 transmits can carry out position probing to electromagnet 6, prevent the card because of inner member from pausing, there is location dislocation, discharged by diesel oil in filter cleaner, this structure belongs to self-checking function by mistake.
Water-level alarm function: when the Separation of Water in filter cleaner reaches after warning height, level sensor 1 needs water signal to have been detected, and alarm signal is sent to controller.
Automatic drainage function: electromagnet can be opened under the control of the controller automatically, discharges the Separation of Water in filter cleaner.Solenoid valve is made up of two basic functional units: electromagnetic coil and magnetic core (armature).When being energized, electromagnetic coil produces electromagnetic force and is mentioned by armature, weep hole and inlet hole Sealing is opened, pore air inlet, water hole draining by the push rod that is connected with armature simultaneously; During power-off, electromagnetic force reduces until disappear instantaneously, and Sealing is pressed on valve seat by spring, closed electromagnetic valve, stops discharging water.
Self-checking function: if electromagnet remarkable action, self-test device can detect these abnormal operations and send trouble signal to control unit.Detect target: whether solenoid valve is opened smoothly; After release, whether gas circuit, waterway seal part get back to original position.
Workflow: when water level rises to certain altitude, level sensor on solenoid valve will detect water signal, and this signal is inputed to controller, controller is by analyzing the various signals collected, comprehensive analysis also judges, the input voltage of Controlling solenoid valve, thus Controlling solenoid valve work.Determination methods of the present utility model is: the point midway arranging whole stroke is judgment threshold, when Hall transducer is just passed through to position in the side of circular ring magnet, because the magnetic intensity in direction is for this reason always close to 0, the magnitude of voltage that Hall exports is equal to the output value not having externally-applied magnetic field.No matter Hall is near N pole or S pole in addition, the magnetic intensity of hall position is not all 0, and Hall correspondence exports the voltage higher or more on the low side than zero magnetic field place, output voltage and zero magnetic field place output voltage is compared.
The utility model can detect the ponding situation in fuel filter automatically, ponding opens automatic drainage function after reaching alarming value, intelligent control water discharge time, thus avoid the vehicle damage because artificial drainage causes not in time, and the fuel oil that long-time draining causes is misprinted out and causes fuel oil to be wasted; Eliminate manual operation, user, without the need to carrying out drain operation at small space, improves the intellectuality of vehicle.
Claims (5)
1. an automatic drain valve, it is characterized in that comprising valve body (5) and valve seat (2), be fixedly connected with by attachment screw (7) between described valve body (5) and valve seat (2), the upper surface of valve seat (2) is provided with filter cap (3) and level sensor (1), and valve seat (2) center outer surface is provided with outside thread; Run through in the inside center of valve body (5) and valve seat (2) and have push rod (16), the spring (10) for return is arranged with outside the upper end of push rod (16), electromagnet (6) is connected with in the lower end of push rod (16), dynamic iron core (18) that can be servo-actuated is arranged with at the middle part of push rod (16), fixed core (15) is fixed with at the internal surface of valve body (5), described fixed core (15) is located at dynamic iron core (18) top, and leave gap with push rod (16), be provided with at fixed core (15) and dynamic iron core (18) outer ring the coil (17) be fixed in valve body (5).
2. a kind of automatic drain valve according to claim 1, it is characterized in that described valve body (5) is provided with weep hole (14), the inner chamber of valve seat (2) is in communication with the outside by described weep hole (14), water hole sealing gasket (13) is provided with at weep hole (14) and the cavity portion joint of valve body (5), described water hole sealing gasket (13) is wrapped in the outside of push rod (16), and moves up and down along with push rod (16).
3. a kind of automatic drain valve according to claim 1, it is characterized in that described valve seat (2) is provided with inlet hole (12), described inlet hole (12) is communicated with the external world with the cavity of valve seat (2), and its position is lower than push rod (16) top, be provided with port sealing pad (11) in the position that inlet hole (12) is communicated with cavity, link between described port sealing pad (11) and push rod (16).
4. according to a kind of automatic drain valve in claim 1-3 described in any one, it is characterized in that the side of described electromagnet (6) is provided with position transducer (8), described position transducer (8) and valve body (5) lower surface are connected as a single entity.
5. a kind of automatic drain valve according to claim 4, characterized by further comprising controller, described controller is with coil (17), be electrically connected between level sensor (1) and position transducer (8), and valve body (5) outside utilizes fixed hole (4) to be fixed with shell, affixed between the connection wire of described shell and controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746504.3U CN204267840U (en) | 2014-12-03 | 2014-12-03 | A kind of automatic drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746504.3U CN204267840U (en) | 2014-12-03 | 2014-12-03 | A kind of automatic drain valve |
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| Publication Number | Publication Date |
|---|---|
| CN204267840U true CN204267840U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420746504.3U Active CN204267840U (en) | 2014-12-03 | 2014-12-03 | A kind of automatic drain valve |
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| CN (1) | CN204267840U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806919A (en) * | 2017-10-09 | 2018-03-16 | 安徽江淮汽车集团股份有限公司 | Diesel oil filtering transducer |
| CN107837614A (en) * | 2017-11-15 | 2018-03-27 | 束长珠 | A kind of shot-blasting machine air filter |
| CN109488498A (en) * | 2018-12-24 | 2019-03-19 | 河北中瓷电子科技有限公司 | Fuel filter automatic drain valve and fuel filter |
| CN110332358A (en) * | 2019-06-19 | 2019-10-15 | 浙江科力车辆控制***有限公司 | Intelligent drainage water valve |
| CN111425547A (en) * | 2020-05-19 | 2020-07-17 | 黄小伟 | Built-in valve of shock absorber |
-
2014
- 2014-12-03 CN CN201420746504.3U patent/CN204267840U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806919A (en) * | 2017-10-09 | 2018-03-16 | 安徽江淮汽车集团股份有限公司 | Diesel oil filtering transducer |
| CN107837614A (en) * | 2017-11-15 | 2018-03-27 | 束长珠 | A kind of shot-blasting machine air filter |
| CN109488498A (en) * | 2018-12-24 | 2019-03-19 | 河北中瓷电子科技有限公司 | Fuel filter automatic drain valve and fuel filter |
| CN109488498B (en) * | 2018-12-24 | 2024-01-05 | 河北中瓷电子科技有限公司 | Automatic water drain valve of fuel filter and fuel filter |
| CN110332358A (en) * | 2019-06-19 | 2019-10-15 | 浙江科力车辆控制***有限公司 | Intelligent drainage water valve |
| CN111425547A (en) * | 2020-05-19 | 2020-07-17 | 黄小伟 | Built-in valve of shock absorber |
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