CN200989096Y

CN200989096Y - Vehicle hood inductive electromagnetic lock

Info

Publication number: CN200989096Y
Application number: CN 200620161308
Authority: CN
Inventors: 孙宗炎
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-03
Filing date: 2006-12-03
Publication date: 2007-12-12
Anticipated expiration: 2016-12-03

Abstract

The utility model relates to an automobile hood inductive electromagnetic lock, which comprises a hood electromagnetic lock (21), an induction device, and a control box (24). Comparing to the prior hook lock, an electromagnetic lock hook (11), a contact switch (13), a trigger tablet (14) and an unlock-controlling electromagnet (8) are additionally arranged on the hood electromagnetic lock; a radio frequency authentication card (26) is arranged alone in the automobile cab; a general relay (18), an engine controlled relay (17), a starter controlled relay (19), a electromagnet controlled relay (20) and a radio frequency authentication card reader (23) are arranged in the control box (24), which are communicated respectively to the hood electromagnetic lock (21), a ignition lock (16) and a radio frequency authentication antenna (25) by lines (L). When the ignition lock (16) is opened and the authentication of the radio frequency authentication card reader (23) to the radio frequency authentication card (26) is correct, each relay sucks and gets electricity, the engine and the starter begin to work, and the automobile can be started; if the authentication is not correct, the relays will not operation, the engine and the starter will not work, and the automobile can not be started. The electromechanical integration lock of the utility model has the advantages of safe and reliable structure, flexible and convenient operation, and effective prevention of the automobile theft.

Description

Automobile hood induction type electromagnetic lock

Technical field

The utility model belongs to Lock for automobile, particularly the hood lockset of electromechanical integration.

Background technology

The present used lockset of automobile engine cover, the general mechanical type hood lock that adopts, mainly form by lock body, the arm-tie of unblanking, jam plate, jam plate extension spring, the arm-tie extension spring of unblanking, the line of unblanking etc., be installed on the car body in the automotive hood, cooperate the hood pinning with the lock nose on the hood, open handle by the hood in the driver's cabin and handle.The pulling hood is opened handle, by the arm-tie of unblanking on the line pulling hood lock of unblanking, overcome the pulling force of unblanking the arm-tie extension spring, " beak " part that the arm-tie top of unblanking is protruded is thrown off jam plate, jam plate rotates around quilting rivet under the pulling of jam plate extension spring, back down the lock nose on the hood, hood is promptly opened.Though the hood lock of this structure can under normal circumstances pin hood, lack safety, the anti-theft feature weakness, as long as anyone has entered driver's cabin, all can open hood, cartheft often utilizes this weakness wantonly circuit to be carried out reconfiguration, implements to steal car.

Summary of the invention

The purpose of this utility model, just provide easy for installation, flexible operation on a kind of automobile hood, can be antitheft the car insurance lockset of electromechanical integration.

Task of the present utility model is finished like this: design and produce a kind of novel automobile hood induction type electromagnetic lock, be made up of hood lockset, induction installation, control box.The hood lockset is set up Electromagnetic Control mechanism on original mechanical type automobile hood lock architecture basics, comprise electromagnetism latch hook, contact switch, triggering sheet, unblank to control electromagnet, forms the hood electromagnetic lock.Induction installation comprises radio frequency authentication card, radio frequency authentication antenna, and radio frequency authentication card is placed on selected optional position separately.Control box is installed in below the automobile hood, is connected with hood electromagnetic lock, ignition lock, radio frequency authentication antenna respectively by circuit.The electromagnetism latch hook of the Electromagnetic Control mechanism of hood electromagnetic lock is installed in basifacial in the lock body, and contact switch is installed on the hook plate of the arm-tie of unblanking, and triggers the sheet coincidence and is installed on the arm-tie of unblanking, and unblanks to control the bottom that electromagnet is installed in the lock body bottom face.The electromagnetism latch hook is the long lath elbow structure, one end is the latch hook of bending, can contact with the outside of the arm-tie lower end hook plate of unblanking, the latch hook inner face is fixed with the single face insulating trip, be communicated with the horn button of automobile by circuit, the electromagnetism latch hook other end is the open circles tubular, is sleeved on the latch hook post that is fixed in the lock body plane, and the electromagnetism latch hook is that central pivot point can swing up and down with the latch hook post.Contact switch is installed on the insulating slab that is fixed on the arm-tie hook plate of unblanking, and the button of contact switch can contact with the triggering sheet.Trigger sheet and be the flake structure with vertical crotch, be movably riveted on the arm-tie of unblanking, inner edge has earhole, can with triggering sheet extension spring on being hooked on lock body clasp joint mutually.Unblank to control electromagnet and adopt the cylindrical shape electromagnet housing, the top be fixedly connected on the lock body bottom below, electromagnet housing inside center installing coil rack, coil is wrapped on the coil rack, thin cylinder armature and return spring are housed in the mesopore of coil rack, the upper surface of unblanking to control electromagnet is stretched out on the hemispherical top of armature, keep in touch with the bottom surface of electromagnetism latch hook in the lock body, the bottom of armature is by return spring jack-up, on the inner bottom surface of electromagnet housing, the return spring seat is contained on the top end face of electromagnet bolt by the electromagnet bolton in the bottom of coil rack.Installing engine control relay, starter control relay, magnet control relay, total relay, radio frequency authentication card reader in the control box, the external circuit of control box is connected with hood electromagnetic lock, ignition lock respectively, and the radio frequency authentication card reader in the control box is connected by the outer radio frequency authentication antenna of placing of circuit and control box.

During the utility model locking, not only motor live wire under the hood and starter control line are cut off, and hood is pinned by the hood electromagnetic lock simultaneously.Can unblank to control electromagnet and whether switch on and determined hood be opened this moment, and "on" position depends on two aspects: the one, and whether the contact switch on the arm-tie of unblanking is closed, and the 2nd, whether the magnet control relay powers on, and powers on then to be determined by the radio frequency authentication.When using the electric switch key to open ignition lock, radio frequency authentication card reader, radio frequency authentication antenna are worked simultaneously, if confirm that radio frequency authentication card is correct, then total relay, engine control relay, the adhesive simultaneously of starter control relay, the magnet control relay powers on, automobile can normally move, and also can open hood as required.If have only the electric switch key, though opened ignition lock, but owing to there is not radio frequency authentication card, the radio frequency authentication is incorrect, total not adhesive of relay, engine control relay and the also not adhesives of starter control relay, the magnet control relay does not power on, at this moment not only motor can not start, and automobile can not start, and the hood electromagnetic lock is not opened yet.

Make, test according to above-mentioned design scheme, proof the utility model successfully organically combines machinery, electronics, electrical technology, accomplish and to pin automobile hood and car load in security insurance ground, easy for installation, flexible operation, adopt the electromechanical integrated structure mode to stop the randomness of driving, safe and reliable, realized the automobile burglar function effectively, reached predetermined purpose preferably.

Description of drawings

Fig. 1 is the structural representation of hood electromagnetic lock of the present utility model (21);

Fig. 2 is the utility model total system schematic diagram;

Fig. 3 is a sectional drawing of unblanking to control electromagnet (8) of the present utility model;

Fig. 4 is the structural representation of existing machinery formula hood lock.

Among the figure, 1-lock body, the 2-arm-tie of unblanking, 3-jam plate, the extension spring of 4-jam plate, 5-triggers the sheet extension spring, the 6-arm-tie extension spring of unblanking, 7-latch hook post, 8-unblanks to control electromagnet, 9-electromagnet bolt, 10-armature, 11-electromagnetism latch hook, the 12-line of unblanking, the 13-contact switch, 14-triggers sheet, 15-electric switch key, the 16-ignition lock, 17-engine control relay, the total relay of 18-, 19-starter control relay, 20-magnet control relay, 21-hood electromagnetic lock, the 22-hood is opened handle, 23-radio frequency authentication card reader, 24-control box, 25-radio frequency authentication antenna, 26-radio frequency authentication card, 27-electromagnet housing, the 28-coil, 29-return spring, 30-coil rack; The L-circuit, the Z-latch hook.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.Adopt the steel plate punching press to make lock body 1, the arm-tie 2 of unblanking, jam plate 3, the electromagnetism latch hook 11 of hood electromagnetic lock 21, to unblank arm-tie 2, jam plate 3 is movably riveted on lock body 1 top, and unblank arm-tie extension spring 6, jam plate extension spring 4 of hook respectively, the interior basifacial installing electromagnetism latch hook 11 of lock body 1, an end of band cylinder is sleeved on the latch hook post 7 of lock body 1.On the hook-shaped end face of arm-tie 2 of unblanking, be fixed with insulating trip, contact switch 13 is installed in above the insulating trip, the triggering sheet 14 activity rivetings that the stalloy punching out is formed are contained on the arm-tie 2 of unblanking, and, leave the space between the hook-shaped end face of triggering sheet 14 and the contact switch 13 on the arm-tie 2 hook ends of unblanking by triggering sheet extension spring 5 hooks.Unblanking to control electromagnetic lock 8 is made up of electromagnetic lock housing 27, coil 28, coil rack 30, armature 10, return spring 4, electromagnet bolt 9 etc.Coil 28 winding around skeletons 30 are installed in the middle of the electromagnet housing 27, by the electromagnet bolt 9 in coil rack 30 mesopores coil rack 30 bottoms are fastened on the bottom surface of

electromagnet housing

27,29 of return springs are contained on the top end face of electromagnet bolt 9, with armature 10 jack-up in coil rack 30 mesopores upper ends.Electromagnet housing 27 tops are fixed on the bottom of lock body 1 bottom surface, and lock body 1 can be stretched in armature 10 tops, keep in touch with electromagnetism latch hook 11 bottom surfaces.Establish total relay 18, engine control relay 17, starter control relay 19, magnet control relay 20 in the control box 24, and radio frequency authentication card reader 23 is housed.Control box 24 is installed in below the automobile hood, is connected with hood electromagnetic lock 21, ignition lock 16 with circuit L respectively, and the radio frequency authentication card reader 23 in the control box 24 is communicated with by circuit L with the radio frequency authentication antenna 25 that is placed on control box 24 outsides.Radio frequency authentication antenna 25 can be placed on position selected in the driver's cabin, and the radio frequency authentication card 26 that is complementary with radio frequency authentication card reader 23 is placed near the radio frequency authentication antenna 25, also can be carried by the car owner.

During hood electromagnetic lock 21 lockings, jam plate 3 arm-tie 2 of being unblanked blocks, and is in " locking " position, and the return spring 29 of unblanking to control electromagnet 8 heads on armature 10 and upwards props up electromagnetism latch hook 11, makes electromagnetism latch hook 11 hook the arm-tie 2 of unblanking, and hood can't be opened.Open hood electromagnetic lock 21 and must rely on and unblank to control electromagnet 8 energising, depend on 2 points: the one, contact switch 13 closures are connected the cold junction of magnet control relay 20 coils; The 2nd, correct through the radio frequency authenticate-acknowledge, the other end (hot junction) of magnet control electrical equipment 20 coils is powered on.Must satisfy above-mentioned 2 points simultaneously, unblank to control electromagnet 8 energisings, hood electromagnetic lock 21 just can be opened.During practical operation, the first, the pulling hood is opened handle 22, triggers sheet 14 by line 12 pullings of unblanking, and triggers sheet 14 and promotes contact switch 5 closures, can connect the cold junction circuit of magnet control relay 20; Second, when using electric switch key 15 to open ignition lock 16, radio frequency authentication card reader 23 is worked simultaneously, when confirming that radio frequency authentication card 26 correctly, total relay 18 is adhesive, engine control relay 17 and starter control relay 19 adhesive thereupon, the hot junction of magnet control relay 20 coils powers on.So just satisfied two essential conditions, hood electromagnetic lock 21 just can be opened, and automobile engine and starter are started working simultaneously, and automobile can normally move, and hood also can be opened as required.Therefore, key is the radio frequency authentication card 26 of this car.As long as the car owner is controlling radio frequency authentication card 26 firmly, all other men also can't arbitrarily drive, and cartheft can't start up the car or open hood especially, even it is also powerless to have advanced driver's cabin.

When stranger pulling is established hood and is opened handle 22, line 12 tensionings of unblanking, control electromagnet 8 no powers because unblank, the arm-tie 2 of unblanking is hooked by electromagnetism latch hook 11 and can only move a very little distance, hood electromagnetic lock 21 is not opened, the insulation contact that connects horn button on the electromagnetism latch hook 11 is by arm-tie 2 bonding of unblanking, thereby connects the loudspeaker warning that pipes.Even if grasped automobile electric switch key 15, but do not have radio frequency authentication card 26, when opening ignition lock 16, radio frequency authentication card reader 23 is promptly started working, because authentication is incorrect, total relay 18 not adhesives, engine control relay 17 and starter control relay 19 still are in off-state, and magnet control relay 20 does not power on, motor and defective starter motor, hood electromagnetic lock 21 is not opened, and automobile can not normally move, and the robber can't drive away car at all and implement to steal car.

Compact conformation of the present utility model is reasonable, and is safe and reliable, and flexible and convenient operation can prevent effectively that automobile is stolen, is applicable to the motor vehicles of various band driver's cabins and hood.

Claims

1, automobile hood induction type electromagnetic lock, by the hood lockset, induction installation, control box (24) is formed, it is characterized in that the hood lockset sets up Electromagnetic Control mechanism on mechanical type automobile hood lock architecture basics, form hood electromagnetic lock (21), induction installation comprises radio frequency authentication card (26), radio frequency authentication antenna (25), radio frequency authentication card (26) is placed on selected optional position separately, control box (24) is installed in below the automobile hood, by circuit (L) respectively with hood electromagnetic lock (21), ignition lock (16), radio frequency authentication antenna (25) is connected, the electromagnetism latch hook (11) of hood electromagnetic lock (21) Electromagnetic Control mechanism is installed in the interior basifacial of lock body (1), contact switch (13) is installed on the hook plate of the arm-tie of unblanking (2), trigger sheet (4) and be installed on the arm-tie of unblanking (2), unblank to control the bottom that electromagnet (8) is installed in lock body (1) bottom face.

2, according to the described automobile hood of claim 1 induction type electromagnetic lock, it is characterized in that said electromagnetism latch hook (11) is the long lath elbow structure, one end is the latch hook (Z) of bending, can contact with the outside of the arm-tie of unblanking (2) hook plate, latch hook (Z) inner face is fixed with the single face insulating trip, be communicated with the horn button of automobile by circuit (L), electromagnetism latch hook (11) other end is the open circles tubular, be sleeved on the latch hook post (7) that is fixed in lock body (1) plane electromagnetism latch hook (11): with latch hook post (7) is that central pivot point can swing up and down.

3, according to the described automobile hood of claim 1 induction type electromagnetic lock, it is characterized in that said contact switch (13) is installed on the insulating slab that is fixed in the arm-tie of unblanking (2) hook plate, the button of contact switch (13) can contact with triggering sheet (14).

4, according to the described automobile hood of claim 1 induction type electromagnetic lock, it is characterized in that said triggering sheet (14) is the flake structure with vertical crotch, movable riveted joint overlaps on the arm-tie of unblanking (2), and inner edge has earhole, can with triggering sheet extension spring (5) on being hooked on lock body (1) clasp joint mutually.

5, according to the described automobile hood of claim 1 induction type electromagnetic lock, it is characterized in that said electromagnet (8) the employing cylindrical shape electromagnet housing (27) of unblanking to control, the top is fixedly connected on below the lock body (1), electromagnet housing (27) inside center installing coil rack (30), coil (28) is wrapped on the coil rack (30), thin cylinder armature (10) and return spring (29) are housed in the mesopore of coil rack (30), the upper surface of unblanking to control electromagnet (8) is stretched out on the hemispherical top of armature (10), keep in touch with the electromagnetism latch hook (11) in the lock body (1), armature (10) is by return spring (29) jack-up, coil rack (30) is fastened on the inner bottom surface of electromagnet housing (27) by electromagnet bolt (9), and return spring (29) seat is contained on the top end face of electromagnet bolt (9).

6, according to the described automobile hood of claim 1 induction type electromagnetic lock, it is characterized in that installing total relay (18) in the said control box (24), engine control relay (17), starter control relay (19), magnet control relay (20), radio frequency authentication card reader (23), the external circuit (L) of control box (24) is connected with hood electromagnetic lock (21), ignition lock (16) respectively, and radio frequency authentication card reader (23) authenticates antenna (25) by circuit (L) and external radio frequency and is connected.