CN208580632U - A kind of quick response parking calutron - Google Patents

Abstract

The utility model discloses a kind of quick response parking calutrons, it include the iron core being connected on engine body and on engine body and with the iron core fixed station that is oppositely arranged up and down, pipeline road is connected on engine, magnet exciting coil is wound in the middle part of iron core to make the bottom surface of iron core form actuation face, equipped with the resistance magnetic patch being located at immediately below magnet exciting coil on the iron core, the fixed station is equipped with movable span setting up and down, equipped with the portable pillar that can be moved up and down in movable span, the top of portable pillar is equipped with the armature being oppositely arranged with actuation face, on-off valve is set to be connected and disconnect equipped with on-off valve on pipeline road and under the up and down motion of portable pillar driving, return driving device equipped with self-return after preventing portable pillar from falling and portable pillar being driven to rise to highest point between the portable pillar and fixed station.The utility model has the advantages that structure is simple, can make armature Rapid reset and guarantees parking and startup stability.

Description

A kind of quick response parking calutron

Technical field

The utility model relates to a kind of quick response parking calutrons.

Background technique

Existing parking calutron is to be attracted to be discharged with power-off to control the on-off of oil circuit by the energization of electromagnet, real Existing diesel engine parking and driving.Existing parking calutron issues instruction by electronic control unit ECU, and circuit switch closure is encouraged Magnetic coil, which is powered, generates magnetic flux, generates electromagnetic force, adhesive armature, the pull rod being connected with armature and diesel engine (engine) oil spout The shutdown handle of pump is hinged, pulls pull rod by the actuation and release that control armature to manipulate shutdown handle, realizes parking.Work as electricity Control unit ECU issues instruction again, and circuit switch disconnects, and electromagnetic force disappears, and armature resets, and pull rod pulls shutdown handle to reset. Existing parking calutron in use, has the disadvantage that, firstly, it is necessary to which armature resets, without corresponding automatic multiple Position device needs manual reset or using other mechanical structures, even results in armature and be not capable of resetting, so that parking can not be manipulated Handle resets, and diesel engine starting is caused to fail, thus structure is complicated and cumbersome；Secondly, often because of driving current mistake Greatly, it holds time too long, causes magnet exciting coil temperature to increase, so that magnet exciting coil be caused to fuse, substantially reduce its service life. Meanwhile long-time high current motivates, iron core is magnetized with armature, finally, existing parking calutron is to increase electromagnetic force to lead to Often take increase coil turn mode, excessive coil turn caused since its inductance is larger electric current increased speed slowly, from And electromagnetic force is increased speed slack-off, so that armature movement response speed slows down, cannot cut off oil circuit in time makes its parking.

Utility model content

First technical problem to be solved in the utility model is to provide a kind of quick response parking calutron, this is quickly Response parking calutron structure is simple, quickly cutting oil circuit promotes to stop and can make armature Rapid reset.

In order to solve the above technical problems, a kind of provided quick response parking calutron includes being connected to engine machine Iron core on body and the fixed station being oppositely arranged up and down on engine body and with iron core are connected with oil transportation on engine Pipeline, design feature are: magnet exciting coil is wound in the middle part of the iron core to make the bottom surface of iron core form actuation face, institute It states equipped with the resistance magnetic patch being located at immediately below magnet exciting coil on iron core, the fixed station is equipped with movable span setting up and down, activity Equipped with the portable pillar that can move up and down in hole, the top of portable pillar is equipped with the armature being oppositely arranged with actuation face, on pipeline road On-off valve is set to be connected and disconnect equipped with on-off valve and under the up and down motion of portable pillar driving, between the portable pillar and fixed station Return driving device equipped with self-return after preventing portable pillar from falling and portable pillar being driven to rise to highest point.

The return driving device includes the ring convex platform being connected on movable span hole wall, and the bottom of portable pillar, which is equipped with, is located at ring Chassis below boss is equipped with reset spring between chassis and ring convex platform.

The iron core is equipped with two through-holes before and after perforation and being correspondingly arranged to make iron core between two through hole Part forms cylinder, and the magnet exciting coil passes through the two through hole and is wrapped on cylinder.

The iron core is equipped with from through-hole lower surface and extends through the mounting hole on the actuation face, and the resistance magnetic patch setting exists In mounting hole.

The resistance magnetic patch be made of permanent-magnet material and its vertical cross section to be that top is big, bottom is small trapezoidal.

The actuation face has the flat face at middle part and extends to actuation face positioned at flat face both ends and from flat face end The down-set inclined surface of sloped-end, the top surface of the armature have the top surface being correspondingly arranged with flat face and The side surfaces being correspondingly arranged with inclined surface.

The magnet exciting coil is electrically connected with the power supply unit of engine and magnet exciting coil is electrically connected with the ECU of engine.

On-off valve includes the valve body being serially connected in pipeline road, oil transportation channel in body cavity, is slidably connected on valve body Having can move upwards to close oil transportation channel, move downward to make the open valve rod of oil transportation channel, the bottom of valve rod and rank Iron or portable pillar connection.

The middle part of the iron core is equipped with through-hole up and down, and valve rod is passed through in through-hole and can be moved up and down in through-holes, The lower end of valve rod is connected to the top of armature.

Quick response parking calutron using the above structure, magnet exciting coil, which is powered, generates magnetic flux, generates electromagnetic force, makes Armature drives portable pillar to move upwards, and is attracted face adhesive armature, and portable pillar drives on-off valve to disconnect, and realizes parking；Hinder magnetic patch screen The leakage field for having covered magnet exciting coil, plays the role of every magnetic, to ensure that actuation effect.The setting of return driving device is not Portable pillar can be prevented to fall during generating actuation, and after portable pillar capable of being driven to rise to highest point (under attracting state) from Dynamic return, thus structure is relatively easy and realizes the self-return of armature, will not generate locking phenomenon, avoiding the occurrence of can not stop The problem of vehicle.Also, compared with existing parking calutron, guarantee electromagnetic force it is equal in the case where, by be attracted face and The structure of armature top surface designs, and can reduce the driving current of magnet exciting coil, reduce the calorific value of coil, reduces coil fusing A possibility that.Meanwhile the main flux generated by decomposing magnet exciting coil, keep the Magnetic Induction Density Distribution of iron core and armature more equal Even, the phenomenon that being less prone to too early saturation, after magnet exciting coil power-off, will not be disappeared using the magnetic flux for hindering magnetic patch made of permanent-magnet material It loses, since the magnetic induction intensity that it is generated is smaller, can be resetted rapidly under the action of reset spring.Parking electromagnetism in the present invention Lesser driving current can be used in device and less coil turn can get biggish electromagnetic force, greatly accelerates response speed Degree.

In conclusion the utility model has, structure is simple, long service life, low driving current, fast response time, can make The advantages of armature Rapid reset and guarantee parking and startup stability.

Detailed description of the invention

The utility model will be further described below with reference to the accompanying drawings:

Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；

Fig. 2 is the structural schematic diagram of iron core in Fig. 1.

Specific embodiment

As shown in Figure 1 and Figure 2, the utility model provides a kind of embodiment of quick response parking calutron comprising The iron core 1 being connected on engine body and the fixed station 2 being oppositely arranged on engine body and with about 1 iron core, In the figure of the present embodiment, the specific connection structure of iron core and engine body is not illustrated, such as set in the outer surface of iron core Outer cover is set, is connect by outer cover with above-mentioned body, or uses other similar structure, those skilled in the art are according to engine Housing construction can be with designed, designed, details are not described herein, and the middle part of the iron core 1 is wound with magnet exciting coil 3 to making iron core Bottom surface formed actuation face 11, in the present embodiment, with reference to Fig. 2, the iron core 1 be equipped with perforation front and back and be correspondingly arranged two A through-hole is to make part of the iron core between two through hole form cylinder, i.e. iron core is integrally formed, and the magnet exciting coil 3 passes through It the two through hole and is wrapped on cylinder, equipped with the resistance magnetic patch 4 being located at immediately below magnet exciting coil, the iron core 1 on the iron core 1 It is equipped with from through-hole lower surface and extends through the mounting hole on the actuation face 11, the resistance magnetic patch 4 is arranged in mounting hole, described Resistance magnetic patch 4 be made of permanent-magnet material and its vertical cross section to be that top is big, bottom is small trapezoidal, existing neodymium can be used in permanent-magnet material Iron boron permanent magnet etc..The fixed station 2 is equipped with movable span 5 setting up and down, and the activity that can be moved up and down is housed in movable span 5 Column 6, in the figure of the present embodiment, the top of portable pillar is equipped with the armature 7 being oppositely arranged with actuation face 11.The magnet exciting coil 3 It is electrically connected with the power supply unit of engine and magnet exciting coil is electrically connected with the ECU of engine, to realize the on-off of magnet exciting coil Electric situation and control is carried out to above-mentioned power on/off by ECU and signal transmits, only simply illustrates in figure and be electrically connected accordingly Relationship is connect, specific circuit connection structure is the prior art, is not described in detail herein.

Referring to fig. 1 and fig. 2, work is fallen and driven equipped with prevention portable pillar between the portable pillar 6 and fixed station Dynamic column rises to the return driving device of self-return behind highest point, and the return driving device includes being connected to movable span hole wall On ring convex platform 51, the bottom of portable pillar 6 is equipped with the chassis 61 being located at below ring convex platform, is equipped between chassis 61 and ring convex platform 51 Reset spring 8.

Refering to what is shown in Fig. 1, pipeline road 9 is connected on engine, equipped with on-off valve 10 and in portable pillar 6 on pipeline road Up and down motion driving under so that on-off valve is connected and is disconnected, on-off valve 10 can use slide valve in the prior art, can also be with It using the valve of other same structure, does not enumerate herein, the up and down motion of portable pillar makes on-off valve 10 be connected and be disconnected Movement, when for example, by using slide valve (slide valve having valve body, valve rod and flashboard), the valve rod connection of portable pillar and slide valve is living When dynamic column moves upwards, the valve rod of slide valve is moved upwards, and flashboard closes its inner cavity under the driving of valve rod realizes oil circuit It disconnects, otherwise movement realizes the conducting of oil circuit.In the figure of the present embodiment, above-mentioned on-off valve 10 includes being serially connected in pipeline road Oil transportation channel is arranged in body cavity in valve body in 9, slidably connected on valve body can move upwards to close oil transportation channel, It moves downward to make the open valve rod of oil transportation channel, the bottom of valve rod is connect with armature or portable pillar, the embodiment in figure On, in the core, the middle part of the iron core is equipped with through-hole up and down for the lower slide connection of valve rod, and valve rod passes through in through-hole And it can move up and down in through-holes, and the lower part of valve rod is pierced by the upper surface that armature is connected to behind the lower surface of iron core, armature With portable pillar when moving up and down, valve rod moves up and down therewith, and certain above-mentioned valve rod can also be connect with portable pillar, herein no longer It is described in detail.

Referring to fig. 1 and fig. 2, in order to realize maximum actuation area and guarantee be attracted intensity, the actuation face 11 Flat face with middle part and to extend to actuation face sloped-end positioned at flat face both ends and from flat face end down-set Inclined surface, the top surface of the armature 7 have the top surface being correspondingly arranged with flat face and are correspondingly arranged with inclined surface Side surfaces.

Refering to what is shown in Fig. 1, magnet exciting coil generates magnetic flux φ 1 after power supply unit powers to magnet exciting coil, it is then decomposed into three Road, wherein being the flat face across actuation face 11, armature and the magnetic flux 11 being formed into a loop all the way, two-way is across armature, inhales The closure magnetic flux 12 of the inclined surface in conjunction face 11, for more existing parking calutron, the utility model structure increase with The opposite of armature is attracted area, while the resistance magnetic patch made of Nd-Fe-B permanent magnet generates the closure magnetic flux through being attracted face, armature 2, resistance magnetic patch provides not only useful flux, while also shielding leakage field, plays the role of guaranteeing electromagnetic force phase every magnetic Deng in the case where, the driving current of magnet exciting coil can be reduced, reduce the calorific value of coil, reduce the possibility of coil fusing Property.Meanwhile the main flux 1 generated by decomposing magnet exciting coil, keep the Magnetic Induction Density Distribution of iron core and armature more uniform, The phenomenon that being less prone to too early saturation.After magnet exciting coil power-off, the magnetic flux for hindering magnetic patch will not disappear, but due to the magnetic strength of its generation It answers intensity smaller, can be resetted rapidly under the action of reset spring, locking phenomenon will not be generated.The structure of the utility model increases Big iron core and the opposite of armature are attracted area, while hindering the magnetic flux complex superposition that magnetic patch and magnet exciting coil generate, by formula The μ of Fmag=(B^2 s)/2 0 (wherein Fmag- electromagnetic force, B- magnetic induction intensity, s- be attracted area, μ 0- magnetic conductance rate coefficient) it is found that Electromagnetic force is directly proportional to magnetic induction density B and actuation area s, therefore under identical driving current, can produce biggish electromagnetic force, Its response speed can be effectively improved.Above structure makes Magnetic Induction Density Distribution more uniform simultaneously, is less prone to part too early Saturated phenomenon；The power consumption and coil hair of parking calutron by the size of reduction magnet exciting coil driving current, can be reduced simultaneously Heat prolongs its service life.

The present utility model is not limited to the above embodiments, for those skilled in the art, based on the utility model The equivalent variations and simple replacement of specific structure are all within the protection scope of the present utility model.

Claims (9)

1. The calutron 1. a kind of quick response is stopped including the iron core (1) being connected on engine body and is located at engine On body and with iron core (1) fixed station (2) that is oppositely arranged up and down, be connected with pipeline road (9) on engine, feature exists In: magnet exciting coil (3) are wound in the middle part of the iron core (1) to make bottom surface formation actuation face (11) of iron core, the iron core (1) equipped with the resistance magnetic patch (4) being located at immediately below magnet exciting coil on, the fixed station (2) is equipped with movable span setting up and down (5), equipped with the portable pillar (6) that can be moved up and down in movable span (5), the top of portable pillar is equipped with to be oppositely arranged with actuation face (11) Armature (7), make equipped with on-off valve (10) on pipeline road and under the up and down motion of portable pillar (6) driving on-off valve conducting and It disconnects, after falling equipped with prevention portable pillar between the portable pillar (6) and fixed station and portable pillar is driven to rise to highest point The return driving device of self-return.
2. The calutron 2. quick response according to claim 1 is stopped, it is characterised in that: the return driving device includes The ring convex platform (51) being connected on movable span hole wall, the bottom of portable pillar (6) are equipped with the chassis (61) being located at below ring convex platform, bottom Reset spring (8) are housed between disk (61) and ring convex platform (51).
3. The calutron 3. quick response according to claim 1 is stopped, it is characterised in that: the iron core (1) is equipped with and passes through The part of logical front and back and two through-holes being correspondingly arranged to make iron core between two through hole forms cylinder, the magnet exciting coil (3) it passes through the two through hole and is wrapped on cylinder.
4. The calutron 4. quick response according to claim 3 is stopped, it is characterised in that: the iron core (1) is equipped with certainly Through-hole lower surface extends through the mounting hole on the actuation face (11), and the resistance magnetic patch (4) is arranged in mounting hole.
5. 5. the parking of quick response described in any one of -4 calutron according to claim 1, it is characterised in that: the resistance magnetic patch (4) be made of permanent-magnet material and its vertical cross section to be that top is big, bottom is small trapezoidal.
6. 6. the parking of quick response described in any one of -4 calutron according to claim 1, it is characterised in that: the actuation face (11) flat face with middle part and actuation face sloped-end is extended to dividing into positioned at flat face both ends and from flat face end The inclined surface set, the top surface of the armature (7) have the top surface being correspondingly arranged with flat face and with inclined surface pair The side surfaces that should be arranged.
7. 7. the parking of quick response described in any one of -4 calutron according to claim 1, it is characterised in that: the excitation wire Circle (3) is electrically connected with the power supply unit of engine and magnet exciting coil is electrically connected with the ECU of engine.
8. 8. the parking of quick response described in any one of -4 calutron according to claim 1, it is characterised in that: the on-off valve It (10) include the valve body that is serially connected in pipeline road (9), oil transportation channel in body cavity, having slidably connected on valve body can be upwards Movement is to close oil transportation channel, move downward to make the open valve rod of oil transportation channel, the bottom of valve rod and armature or activity Column connection.
9. The calutron 9. quick response according to claim 8 is stopped, it is characterised in that: the middle part of the iron core is equipped with upper The through-hole of lower perforation, valve rod are passed through in through-hole and can be moved up and down in through-holes, and the lower end of valve rod is connected to the top of armature.