CN2335238Y

CN2335238Y - Step electromagnet

Info

Publication number: CN2335238Y
Application number: CN 98203898
Authority: CN
Inventors: 韩明藻
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-04-29
Filing date: 1998-04-29
Publication date: 1999-08-25
Anticipated expiration: 2008-04-29

Abstract

The utility model relates to a stepping electromagnet, belonging to a low-voltage electric appliance product. The stator iron core is in the shape of a circular piper and is composed of permeability magnetic materials which are overlapped; the inner wall is provided with teeth with definite spacing, and nonmagnetic metal rings are arranged in grooves among the teeth; an armature is in the shape of a round rod and is composed of permeability magnetic materials which are overlapped; teeth which are corresponding to the stator iron core are arranged on the armature, and the nonmagnetic metal rings are arranged in grooves among the teeth; the stator iron core and a coil are divided into three groups, and each group of the stator iron core is divided into two poles; the position between the two poles is partitioned by nonmagnetic materials. The utility model breaks the limitation that a conventional electromagnet only makes the single direction impact type short stroke movement. The utility model can make the long travel reciprocating movement to widen the application scope of the electromagnet by adopting a unique magnetic circuit structure and matching the control circuit of a single chip computer.

Description

The stepping electromagnet

The utility model relates to a kind of stepping electromagnet, belongs to low-pressure electronic equipment product.

Conventional electromagnet can only be made folk prescription to the motion of impact type short stroke, and range of application is restricted.

The purpose of this utility model is in order to overcome weak point of the prior art, and a kind of stepping electromagnet of can step-by-step system making long stroke reciprocating, widening the electromagnet range of application is provided.

The purpose of this utility model is achieved in that it comprises stator core, coil, armature, armature locating piece, yoke, controller, position transducer, shell, base.Stator core is the garden tubulose, is formed by the permeability magnetic material closed assembly, and its inwall is provided with the tooth of certain intervals, and the nonmagnetic metal ring is housed in the inter-tooth slots; It is bar-shaped that armature is the garden, formed by the permeability magnetic material closed assembly, which is provided with the corresponding tooth of stator core, and the nonmagnetic metal ring is housed in the inter-tooth slots; Stator core and coil are divided into three groups, two utmost points of the every component of stator core, and two interpolars are separated by nonmagnetic substance.

The utility model compared with prior art, broken conventional electromagnet and can only make the limitation of folk prescription to the motion of impact type short stroke, adopt unique magnetic structure, cooperate single chip machine controlling circuit, make the utility model make long stroke reciprocating, thereby widened the range of application of electromagnet greatly with step-by-step system.

The explanation of accompanying drawing drawing:

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a controller circuit structure schematic diagram of the present utility model.

It is novel below in conjunction with drawings and Examples in detail this signal to be described in detail.

The utility model is made up of position transducer (1), coil (2) (5) (9), stator core (3) armature (4), controller (6), yoke (7), base (8), shell (10), armature locating piece (11), stator core (3) is the garden tubulose, formed by the permeability magnetic material closed assembly, its inwall is provided with

The utility model is made up of position transducer (1), coil (2) (5) (9), stator core (3) armature (4), controller (6), yoke (7), base (8), shell (10), armature locating piece (11), stator core (3) is the garden tubulose, form by the permeability magnetic material closed assembly, its inwall is provided with the tooth of certain intervals, and nonmagnetic metal ring (11) is housed in the inter-tooth slots; Armature (4) is the garden rod, is formed by the permeability magnetic material closed assembly, which is provided with the corresponding tooth of same stator core (3), and nonmagnetic metal ring (12) is housed in the inter-tooth slots; Stator core (3) and coil (2) (5) (9) are divided into three groups, two utmost points of the every component of stator core (3), and two interpolars are separated by nonmagnetic substance (14).Coil (2) (5) (9) is on insulation framework, be enclosed within order in the stator core (3), armature (4) is through in the stator core (3), and tooth by separately and yoke (7), shell (10) form closed magnetic circuit, and yoke (7) is loaded on stator core (3) two ends for the garden ring-type.Tooth on stator core (3) and the armature (4), groove are 2 times of groove width and the rule setting that equates with groove depth by the facewidth, integer * groove width-the groove width of the integer * facewidth of its one pole core length=+ greater than 1 greater than 1, every group of iron core total length=2 * one pole core length+groove width, integer * groove width-the groove width of yoke thickness=facewidth+more than or equal to 1, the integer * groove width of the integer * facewidth of every group of iron core spacing=+ greater than 1 more than or equal to 1.Magnetic circuit by above-mentioned rule assembling, after one group of group alignment of tooth in the same stator core of tooth (3) on its armature (4), all the other two groups 1/2 facewidth that stagger successively, and the direction that staggers is opposite, owing in the inter-tooth slots nonmagnetic metal ring (11) (12) is housed, the electromagnet pull that produces after stator coil (2) (5) (9) is switched on successively like this, electric power superposition with becket generation in the groove, the direction that armature (4) is staggered mutually along stator core (3) and tooth on the armature (4) moves the distance of 1/2 tooth, if the reversed in order of coil (2) (5) (9) energising, then the direction of motion of armature (4) is also opposite, thereby has realized the long stroke stepping reciprocating motion of electromagnet.Controller of the present utility model (6) is installed in shell (10) top, control circuit in it is made of power circuit, Single Chip Microcomputer (SCM) system, power output circuit, and wherein signal input circuit is made up of V/F conversion chip IC1, resistance R 1, R2, R3, R4, R5, R7, diode V1, voltage-stabiliser tube V2, capacitor C1, C2.The anode of V1 wherein, 8 pin of IC1, (1) end of R4, (1) of R5 links to each other with the G+ power supply, the negative terminal of V1 links to each other with (1) end of manual potentiometer W, (2) end of W links to each other with (1) end of R1, (2) end and 7 pin of IC1 and the negative terminal of V2 of R1, (1) end of R2 links to each other, (2) end of the anode of V2 and R2, (3) end ground connection of W, (1) end of C1, (1) end and 1 of the IC1 of R3,6 pin link to each other, (2) end ground connection of (2) end of C1 and R3,4 pin of IC1, (2) end ground connection of R7, (1) end of R7 links to each other with 2 pin of IC1,3 pin of IC1 link to each other with 9 pin of IC2 with (2) of R5 end, 5 pin of IC1 and (2) of R4, (1) end of C2 links to each other, (2) end ground connection of C2.

The effect of signal input circuit is the 0-5V direct voltage that manual potentiometer or automatic control equipment are sent into, and is converted to corresponding with it frequency signal (full scale is output as 100KHZ), and the 3 pin output by IC1, sends into Single Chip Microcomputer (SCM) system and carries out signal processing.

Single Chip Microcomputer (SCM) system by singlechip chip IC2, capacitor C3, C4, C5, resistor R 6, R8, R9, R10, crystal shakes and light lotus root and device IC3 form.Wherein C3 (1) end links to each other with power supply with 20 pin of IC2, (2) end of C3, (1) end of R6 link to each other with 1 pin of IC2, (2) ground connection of R6, (1) end of (1) of crystal oscillator end, C5 links to each other with 5 pin of IC2, the negative terminal of 3 luminous tubes among (2) end of C4, C5 and 10 pin of IC2 and light lotus root and the device IC3 also ground connection that links to each other.14,15,16 pin of IC2 link to each other with the positive pole of luminous tube among the device IC3 with the light lotus root respectively, and 9 pin of IC2 link to each other with the output of signal input circuit, and 6 pin link to each other with power circuit P32 end, and 11 pin link to each other with position detecting circuit output (3).

The effect of Single Chip Microcomputer (SCM) system is: under the effect of 6 pin incoming sync pulses, opening the pulse of signal input circuit being sent into by the pulse counter of 9 pin input every 10ms counts, and deposit this count value in internal memory, count once more behind the 10ms at interval and twice count value compared, when if its difference satisfies the set point of advancing or taking a step back, delivery outlet 14 by single-chip microcomputer, 15,16 pin send starting impulse to corresponding power output circuit, this winding is got, finish and advance or backward movement, if the numerical value of twice counting does not satisfy the set point of advancing or retreating, make 3 windings be in hold mode by the single-chip microcomputer delivery outlet.Position detecting circuit is whether to detect the position of armature in original position when electromagnet powers on, if not in the home position, single-chip microcomputer will at first be carried out reset routine, make it get back to original position.

Power output circuit is made up of switching tube V13, electromagnet coil LA, resistor R 11, R12, diode V3, voltage-stabiliser tube V14, has three groups of same circuits, only provides one group in the accompanying drawing 2.Wherein the negative terminal of V3 links to each other with the power supply of Q+ with (1) end of LA, (1) end of R11 links to each other with the M+ power supply, (2) end of R11 links to each other with the grid machine of (1) end of photo coupler IC3, R11, V14 negative terminal, V13, and (2) end of R12, V14 positive pole link to each other with power supply Q-with the source electrode of V13, the positive machine LA of drain electrode V3 (2) end of V13 links to each other.

The effect of power output circuit is: accept the control signal of Single Chip Microcomputer (SCM) system by photo coupler IC3, to 3 phase windings of electromagnet send into pulse current control electromagnet finish forward, backward with the action that keeps.

Claims

1, a kind of stepping electromagnet, it comprises stator core, coil, armature, armature locating piece, yoke, controller, position transducer, shell, base, it is characterized in that:

A, stator core are the garden tubulose, are formed by the permeability magnetic material closed assembly, and its inwall is provided with the tooth of certain intervals, and the nonmagnetic metal ring is housed in the inter-tooth slots;

B, that armature is the garden is bar-shaped, is formed by the permeability magnetic material closed assembly, which is provided with the corresponding tooth of stator core, and the nonmagnetic metal ring is housed in the inter-tooth slots;

C, stator core and coil are divided into three groups, two utmost points of the every component of stator core, and two interpolars are separated by nonmagnetic substance.

2, stepping electromagnet according to claim 1, it is characterized in that tooth, groove on stator core and the armature are 2 times of groove width and the rule setting that equates with groove depth by the facewidth, integer * groove width-the groove width of the integer * facewidth of its one pole core length=+ greater than 1 greater than 1, every group of iron core total length=2 * one pole core length+groove width, integer * groove width-the groove width of yoke thickness=facewidth+more than or equal to 1, the integer * groove width of the integer * facewidth of every group of iron core spacing=+ more than or equal to 1 more than or equal to 1.

3, stepping electromagnet according to claim 1 is characterized in that the control circuit of controller is made of power circuit, Single Chip Microcomputer (SCM) system, power output circuit, and wherein signal input circuit is the V/F conversion chip.