CN201215752Y

CN201215752Y - Electro-magnet used for push-and-pull working

Info

Publication number: CN201215752Y
Application number: CNU2008200186104U
Authority: CN
Inventors: 马骏; 梁丽萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-10
Filing date: 2008-03-10
Publication date: 2009-04-01
Anticipated expiration: 2018-03-10

Abstract

The utility model provides an electromagnet, which is provided with an electronic package to control and is used to push and pull to do work. The electromagnet mainly comprises a push rod (2), an upper cover (3), a coil (4), an armature (7), a lower cover (8), a control box (11), an anti-vortex groove (13) and the like, wherein the push rod (2) is inserted in a through hole in the middle of the upper cover (3), and the upper end is connected with a pushing block (1) and the lower end is connected with the armature (7) to form a one body, the armature (7) can up and down move in a hollow cavity among the upper cover (3), the lower cover (8) and the coil (4). A connection plate (12) and the pushing block (1) are respectively connected with a power using device. An excitation transformer and a control circuit are arranged in the control box (11), the pick-up capability of the electromagnet is led to be strong through rectifying and electrically controlling, the power consumption is little, and the electromagnet can automatically adjust the current of the coil, and avoids the coil from being damaged caused by mechanical clamping stagnation and the like.

Description

A kind of electromagnet that is used for the push-and-pull acting

Technical field

The utility model relates to electromagnet, particularly a kind of electromagnet that is used for the push-and-pull acting.

Background technology

The existing electromagnet that is used for mechanical braking belongs to the electromagnet of push-and-pull acting, its the acting principle be exactly electric adhesive, dead electricity disconnects, wherein there is not electronic control mechanism, therefore, make adhesive meeting not in place burn coil because of electric current is excessive in case mechanical clamping stagnation fault occurs, and make energy loss bigger because of reasons such as the consume of the eddy current of electric current, energising voltage can not reduce automatically.The utility model provides a kind of electromagnet by push-and-pull acting generation mechanical braking power, and this electromagnet utilizes the electronic auto-control technology, can solve the existing above-mentioned shortcoming of utilizing push-and-pull acting electromagnet.

Summary of the invention

The purpose of this utility model provides a kind of electronic building brick control that has, and the adhesive ability is strong, and electric energy loss is few, can eliminate the electromagnet that is used for the push-and-pull acting of electromagnetic eddy.

For achieving the above object, the utility model has adopted following technical scheme: it mainly is made up of pushing block, push rod, loam cake, coil, overcoat, chlorine tincture rubber magnetism isolating spacer, armature, lower cover, screw, supporter, control box, gusset piece, anti-vortex groove etc.Push rod is by penetrating the middle through hole of loam cake and chlorine tincture rubber magnetism isolating spacer, and two ends are connected with armature with pushing block respectively, and chlorine tincture rubber magnetism isolating spacer places on the armature, and four form one; Armature can be between loam cake, lower cover, coil cavity in move up and down; In the chamber of coil arrangement between overcoat and armature; Loam cake, overcoat, lower cover and supporter can be integral with set screws, also can be integrally welded; Position, middle and lower part at supporter also is provided with control box; At loam cake, overcoat, armature, cover and also be respectively equipped with anti-vortex groove down, to avoid producing electromagnetic eddy; Lower end at supporter is provided with gusset piece, and gusset piece can be connected with diligent equipment respectively with pushing block.In addition, excitation transformer and control circuit are housed in control box.This magnet spool is connected in series with the primary coil ω 1 of excitation transformer B in control circuit again and connects with one-way SCR V5 and diode V6, then in the incoming transport circuit; The secondary coil ω 2 of B is connected into rectifier bridge and coil 4 with diode V1-V4 and connects, and also can use diode V77, and ω 2 is connected into halfwave rectifier and coil 4 is connected in parallel, but must be attempted by the coil 4 two ends stream that continues with V88; Also have, diode V11 and voltage-stabiliser tube V10 in control circuit, resistance R 2, capacitor C 1, resistance R 3 is formed circuits for triggering, trigger tube V7 and resistance R 1 are formed triggering and are opened element, diode V11, resistance R 5, capacitor C 2, resistance R 4, voltage-stabiliser tube V9, triode V8 forms time-delay and cuts off circuit, after AC power inserts, the exciting current that is provided by excitation transformer B and rectifier diode V1-V4 or V77 flows to coil 4 from "+" end, then flow back to "-" end, circuits for triggering provide the triggering power supply for V5 simultaneously, V7, the R1 conducting, V5 conducting when AC power is positive half wave (electric current that enters coil 4 goes into to hold to be defined as "+" end, goes out end and is defined as "-" end), starting current flows out from "+" end inflow "-" end, by coil 4, armature 7 adhesives, exciting current drives diligent equipment with armature 7 stickings.When V5 triggers work, cut off circuit through the time-delay of time-delay back V5 is turn-offed in addition, starting current disappears, but exciting current still flows through at coil 4, makes armature 7 be in the sticking state, and power remove armature 7 discharges, and equipment discharges.

According to such scheme narration is learnt that the utility model has following advantage: it can avoid producing electromagnetic eddy at loam cake, overcoat, armature, cover and be provided with the groove that prevents to produce eddy current respectively down, and the eddy current loss of minimizing function is arranged; It is direct current that the sine-wave current that input voltage (single phase alternating current (A.C.) 220V or three-phase 380V, 50Hz) can be produced simultaneously carries out full-wave rectification, adopts the DC operation state, thereby has reduced the consume of iron core eddy current, has reduced the energy loss that the iron core heating causes; The technical program all puts on the coil two ends at the direct current of the moment process full-wave rectification that starts, produce high-intensity magnetic field, allow iron core and armature quick pick-up, adhesive finishes after electronic module time-delay step-down, the low-voltage of a reasonably stability of output, and can under with rational little electric current, move, reach the purpose of time-delay voltage-reducing and electricity-saving, can avoid simultaneously the excessive coil that burns of electric current that causes because of phenomenons such as mechanical clamping stagnation etc.; The technical program can be exported a high impulse reverse voltage and eliminate coil two ends energy stored rapidly owing to be provided with the circuit that is come control function module by feedback circuit, makes the iron core rapid release, can realize quick demagnetization.

This shows that the utility model compared with prior art has substantive distinguishing features and progress, the beneficial effect of its enforcement also is conspicuous.

Description of drawings

Fig. 1 is the utility model structural representation; Fig. 2, the 3rd, the utility model control circuit structural representation

Among the figure: 1-pushing block, 2-push rod, 3-loam cake, 4-coil, 5-overcoat, 6-chlorine tincture rubber magnetism isolating spacer, 7-armature, 8-lower cover, 9-screw, 10-supporter, 11-control box, 12-gusset piece, 13-anti-vortex groove; B-excitation transformer, V5-one-way SCR, V6-diode, ω 1-primary coil, ω 2-secondary coil, V1, V2, V3, V4, V11-diode, R1, R2, R3, R4, R5-resistance, C1, C2-electric capacity, V7-trigger tube, V9-voltage-stabiliser tube, V8-triode.

Specific embodiments

For clearly demonstrating technical characterstic of the present utility model, below by an embodiment, and in conjunction with the accompanying drawings the utility model is described further: it mainly is made up of the anti-vortex groove (13) of pushing block (1) push rod (2) loam cake (3) coil (4) overcoat (5) chlorine tincture rubber magnetism isolating spacer (6) armature (7) lower cover (8) screw (9) supporter (10) control box (11) gusset piece (12) etc.Push rod (2) penetrates the through hole in the middle of loam cake (3) and the chlorine tincture rubber magnetism isolating spacer (6), and the upper end is connected with pushing block (1), and the lower end is connected with armature (7), and chlorine tincture rubber magnetism isolating spacer (6) places on the armature (7), and four form one; Armature (7) can be between loam cake (3) lower cover (8) coil (4) cavity in move up and down; Coil (4) is arranged in the chamber between overcoat (5) and the armature (7); Loam cake (3) overcoat (5) lower cover (8) and supporter (10) four can use screw (9) to form one, also can be integrally welded; Be provided with control box (11) in the position, middle and lower part of supporter (10); On loam cake (3) overcoat (5) armature (7) lower cover (8), be respectively equipped with anti-vortex groove (13), to avoid producing electromagnetic eddy; Be provided with gusset piece (12) in the lower end of supporter (10), gusset piece (12) can be connected with diligent equipment respectively with pushing block (1).In addition, excitation transformer (B) and control circuit are housed in control box (11).This magnet spool (4) is connected in series with the primary coil (ω 1) of excitation transformer (B) in control circuit again and connects with one-way SCR (V5) and diode (V6), then in the incoming transport circuit; The secondary coil of excitation transformer (B) (ω 2) is connected into rectifier bridge and coil (4) with diode (V1) to (V4) and connects, also can be connected into halfwave rectifier and coil (4) is connected in parallel, but must be attempted by coil (4) the two ends stream that continues with (V88) with diode (V77), (ω 2); Also have, diode in control circuit (V11) and voltage-stabiliser tube (V10) resistance (R2) electric capacity (C1) resistance (R3) are formed circuits for triggering, trigger tube (V7) and resistance (R1) are formed triggering and are opened element, diode (V11) resistance (R5) electric capacity (C2) resistance (R4) voltage-stabiliser tube (V9) triode (V8) is formed time-delay and is cut off circuit, after AC power inserts, flow to coil 4 by excitation transformer (B) and rectifier diode (V1) to (V4) or the exciting current that (V77) provides from "+" end, then flow back to "-" end, circuits for triggering provide the triggering power supply for (V5) simultaneously, (V7), (R1) conducting, [electric current that enters coil 4 goes into to hold to be defined as "+" end in (V5) conducting when AC power is positive half wave, go out end and be defined as "-" end], starting current flows into "-" end from "+" end and flows out, by coil (4), armature (7) adhesive, exciting current drives diligent equipment with armature (7) sticking.When (V5) triggers work, cut off circuit through the time-delay of time-delay back (V5) turn-offed in addition, starting current disappears, but exciting current still flows through at coil (4), makes armature 7 be in the sticking state, and power remove armature (7) discharges, equipment release.

Claims

1, a kind of electromagnet that is used for the push-and-pull acting, its principal character is: it has pushing block (1) push rod (2) loam cake (3) coil (4) overcoat (5) chlorine tincture rubber magnetism isolating spacer (6) armature (7) lower cover (8) screw (9) supporter (10) control box (11) gusset piece (12) to prevent vortex groove (13).Push rod (2) penetrates the through hole in the middle of loam cake (3) the chlorine tincture rubber magnetism isolating spacer (6), and an end is connected with pushing block (1), and the other end is connected with armature (7), and chlorine tincture rubber magnetism isolating spacer (6) places on the armature (7), and four form one; Armature (7) can be between loam cake (3) lower cover (8) coil (4) cavity in move up and down; Coil (4) is as in the chamber between overcoat (5) and the armature (7); Loam cake (3) overcoat (5) lower cover (8) supporter (10) four usefulness screws (9) are formed one; The middle and lower part of supporter (10) is provided with control box (11); On loam cake (3) overcoat (5) armature (7) lower cover (8), be respectively equipped with anti-vortex groove (13); Be provided with gusset piece (12) in the lower end of supporter (10); Pushing block (1) is connected with diligent equipment with gusset piece (12).

2, a kind of electromagnet that is used for the push-and-pull acting according to claim 1, it is characterized in that: loam cake (3) overcoat (5) lower cover (8) supporter (10) four can be integrally welded.

3, a kind of electromagnet that is used for the push-and-pull acting according to claim 1 is characterized in that: excitation transformer (B) and control circuit are housed in the control box (11).One-way SCR (V5) and diode (V6) are connected in series with the primary coil (ω 1) of excitation transformer (B) again and connect in coil (4) and the control circuit, then in the incoming transport circuit; The secondary coil of excitation transformer (B) (ω 2) is connected into rectifier bridge and coil (4) with diode (V1) to (V4) and connects; Diode in the control circuit (V11) and voltage-stabiliser tube (V10) resistance (R2) electric capacity (C1) resistance (R3) are formed circuits for triggering, and trigger tube (V7) and resistance (R1) are formed triggering and opened element; Diode (V11) resistance (R5) electric capacity (C2) resistance (R4) voltage-stabiliser tube (V9) triode (V8) is formed time-delay and is cut off circuit.

4, in the control box according to claim 3 (11) excitation transformer (B) and control circuit are housed.It is characterized in that: coil (4) can be connected into halfwave rectifier with diode in the control circuit (V77), (ω 2) and be connected in parallel with coil (4), but (V88) must be attempted by coil (4) the two ends stream that continues.