CN209045278U - Electric cabinet electromagnet - Google Patents

Abstract

The utility model relates to electric cabinet electromagnet, including shell, and it is installed on slide bar, coil in the shell, bottom is equipped with skeleton in the shell, the coil is set around on the skeleton, the magnet assembly of cooperation coil is installed, in what the slide bar was axially movable the be arranged in skeleton, magnet assembly, the upper end of the shell is equipped with opening so that the slide bar is pierced by above the skeleton；The slide bar is equipped with locked groove, and movable lock tongue part is configured on the shell, and the lock tongue part realizes the cooperation with the locked groove for operation, thus locks slide bar.The limitation to slide bar may be implemented by lock tongue part with electromagnet in improved electric cabinet, reinforces security performance when installation, maintenance；Simultaneously by the installation of magnet assembly, coil is strengthened to the retentivity of slide bar, is an integral structure, production cost can be reduced, be also convenient for installation, management.

Description

Electric cabinet electromagnet

Technical field

The utility model relates to electromagnetism used in electric cabinet in the electromagnet of electric cabinet, especially mesolow circuit system Iron.

Background technique

By in Siemens, in low-voltage circuit system for the electromagnet of electric cabinet, which has three zones: 1. intelligence It can control, cutting or switching circuit (in 20 milliseconds)；2. short-circuit protection: when short circuit occurs for electric system, electromagnet will it is automatic, Disconnecting circuit (in 20 milliseconds) rapidly；3. under-voltage protection: when power system voltage is lower than the 50% of minimum voltage, electromagnet will It automatically disconnects the circuit.The structure of existing such electromagnetism asiderosis security control, in installation, maintenance with certain hidden danger； In addition, such electromagnet is generally split type setting, installation, management cost are higher.

Utility model content

The technical problem that an aspect of this disclosure solves is, provides a kind of improved electric cabinet electromagnet.

The technical scheme adopted by the utility model to solve the technical problem is as follows: bottom is equipped with skeleton in the shell, The coil is set around on the skeleton, the magnet assembly of cooperation coil is equipped with above the skeleton, the slide bar can be axial Movement is arranged in the skeleton, in magnet assembly, and the upper end of the shell is equipped with opening so that the slide bar is pierced by；The cunning Bar is equipped with locked groove, and movable lock tongue part is configured on the shell, and the lock tongue part is realized and the locked groove for operation Cooperation, thus locks slide bar.

Foregoing electric cabinet electromagnet, the lock tongue part include jam plate, bolt, described jam plate one end it is movable with The shell assembling, the other end of the jam plate are equipped with the bolt, and the jam plate activity is to control its bolt and the locked groove Cooperation.

Foregoing electric cabinet electromagnet, the lock tongue part includes jam plate, bolt, and described jam plate one end is rotatable It is assembled with the shell, the other end of the jam plate is equipped with the bolt, and the jam plate activity is to control its bolt and the lock The cooperation of slot.

Foregoing electric cabinet electromagnet, the slide bar bottom is with cored.

Foregoing electric cabinet electromagnet, the opening of the shell are provided with the guide sleeve with slide bar cooperation.

Foregoing electric cabinet electromagnet, the upper end of the slide bar are equipped with retaining ring, and a compressed spring is sheathed on described Slide bar upper end, the both ends of the compressed spring are held in the retaining ring, at the shell aperture respectively.

Foregoing electric cabinet electromagnet, upper end is equipped with bracket, the two sides of the bracket end in the shell Edge is equipped with axially extending column out；The two sides of the outer casing end are equipped with baffle, and the baffle fold is fastened on respective end plates On；Wherein, the baffle outer edge is equipped with recessed notch, and the notch and the column cooperate.

Disclosure bring one is the utility model has the advantages that improved electric cabinet may be implemented by lock tongue part to cunning with electromagnet Security performance when installation, maintenance is reinforced in the limitation of bar；Simultaneously by the installation of magnet assembly, coil is strengthened to slide bar Retentivity.

Detailed description of the invention

Some specific realities of the utility model are described in detail by way of example and not limitation below in conjunction with attached drawing Example is applied, identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that The drawings are not necessarily drawn to scale.

In attached drawing:

Fig. 1 is the utility model schematic cross-sectional view；

Fig. 2 is the utility model outer shape schematic diagram；

Fig. 3 is that the utility model lock tongue limits slide bar status diagram；

Fig. 4 is that the utility model uses schematic diagram in under-voltage switching circuit；

Fig. 5 is that Split type electric magnet uses schematic diagram in under-voltage switching circuit in the prior art；

Mark is described as follows in figure:

1, retaining ring；2, compressed spring；3, spring base；4, guide sleeve；5, bracket；50, column；6, screw；7, jam plate；8, it inserts Pin；9, permanent magnet；10, magnetic conductive board；11, slide bar；12, shell；120, baffle；13, coil；14, iron core；15, Split electromagnetic Iron；16, locking bar mechanism；17, rod piece；18, main circuit；19, emergency circuit；20, it switchs；21, switch is not switched manually.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.

Based on described the embodiments of the present invention, those of ordinary skill in the art are before without creative work Every other embodiment obtained is put, is fallen within the protection scope of the utility model.Unless otherwise defined, the disclosure uses Technical term or scientific term should be the personage in the utility model fields with general technical ability understood it is logical Chang Yiyi.

" first ", " second " used in the disclosure and similar word are not offered as any sequence, quantity or again The property wanted, and be used only to distinguish different component parts.Equally, "one", the similar word such as " one " or "the" also do not indicate Quantity limitation, but indicate that there are at least one.The similar word such as " comprising " or "comprising" means occur before the word Element or object cover appear in the element of the word presented hereinafter perhaps object and its it is equivalent and be not excluded for other elements or Object." connection " either the similar word such as " connected " is not limited to physics or mechanical connection, but may include Electrical connection, it is either direct or indirect."upper", "lower", "left", "right" etc. are only used for indicating that relative position is closed System, after the absolute position for being described object changes, then the relative positional relationship may also correspondingly change.

Refering to fig. 1-3, electric cabinet electromagnet, including shell 12, and be installed in the shell 12 slide bar 11, control The coil 13 and magnet assembly that slide bar 11 processed moves, bottom is equipped with skeleton in the shell 12, and the coil 13 is set around On the skeleton, the magnet assembly is installed above the skeleton, what the slide bar 11 was axially movable is arranged in the bone In frame, magnet assembly, the upper end of the shell 12 is equipped with opening so that the slide bar 11 is pierced by；The slide bar 11 is equipped with lock Slot is configured with movable lock tongue part on the shell 12, and the lock tongue part realizes the cooperation with the locked groove for operation, by This locking slide bar 11.

Improved electromagnet limits the formation of slide bar 11 from mechanical structure by the way that lock tongue part to be placed in locked groove, can There is maloperation to avoid electromagnet, strengthens security performance when electric cabinet installation, maintenance；It can also be by matching in circuit It sets and does not switch the enhancing safety of switch 21 manually；The installation of magnet assembly strengthens coil 13 to the retentivity of slide bar 11.

Specifically, lock tongue part may include jam plate 7, bolt 8, described 7 one end of jam plate is movable to be assembled with the shell 12, institute The other end for stating jam plate 7 is equipped with the bolt 8, the movable cooperation to control its bolt 8 and the locked groove of the jam plate 7.Such as, it locks 7 one end of plate is detachably arranged on shell 12 by screw 6, while two holes cooperated for bolt 8 are opened up on shell 12, One hole is just arrived in locked groove after the insertion of bolt 8, another Kong Ze avoids locked groove, and the cooperation in bolt 8 and two holes can be with It is realized in such a way that first knockout screw 6 adjusts jam plate 7 again.For another example, 7 one end of jam plate is rotatably mounted on shell 12, outside Setting simultaneously drives bolt 8 to move in slot, moves in bolt 8 along slot for the movable slot of bolt 8, the rotation of jam plate 7 on shell 12 During, at a certain position, bolt 8 can just be entered the lock slot.

Magnet assembly includes permanent magnet 9 and magnetic conductive board 10, is cooperated with coil 13, configures iron core in 11 bottom of slide bar 14, reinforce the active force to slide bar 11.Slide bar 11 configures compressed spring 2 and pushes the axial outward movment of slide bar 11, in slide bar 11 Upper end is equipped with retaining ring 1, and a compressed spring 2 is sheathed on outside the spring base 3 of 11 upper end of slide bar, the both ends of the compressed spring 2 It is held in the retaining ring 1,12 opening of the shell respectively, the opening of shell 12 is provided with the guide sleeve 4 cooperated with slide bar 11, To stablize the direction of motion of slide bar 11, frictionally damage can also be reduced.

In some embodiments, upper end is equipped with bracket 5 in shell 12, and the both sides of the edge of 5 end of bracket are equipped with axial prolong The column 50 of stretching；The two sides of 12 end of shell are equipped with baffle 120, and the fold of baffle 120 is fastened on respective end plates On；Wherein, 120 outer edge of baffle is equipped with recessed notch, and the notch and the column 50 cooperate.It can be mentioned after improvement The intensity of radial force when height installation, current products radial power is equal to the radial frictional force after riveting, and the diameter after improving It is equal to the shearing force to block to power, intensity is more preferable, more reliable.

In, in low-voltage circuit system for the electromagnet of electric cabinet, under-voltage protection is using as shown in Figure 5 Split type electric magnet 15, the input voltage of electromagnet and main circuit 18 it is identical, when 18 voltage of main circuit drops to voltage rating Un 70% when, electromagnet release is to push 16 structure of locking bar, the pull switch switching electricity under the action of the spring of rod piece 17 Road.As shown in figure 4, the electromagnet slide bar 11 after improving pushes directly on the connection switched in main circuit 18, emergency circuit 19 Cutting, the switching of circuit are realized in transformation, and when inductor is connected to disconnection or switching circuit signal, electromagnet obtains driving voltage, In 20 milliseconds (Ms), electromagnet slide bar 11 will discharge pull switch 20, under spring force disconnection or switching circuit.

To sum up, electric cabinet increases lock tongue part with electromagnet, effectively avoids that accident occurs when installation, maintenance electronic box；Electromagnetism The volume of the permanent magnet in permanent magnet volume ratio original electromagnet in iron is big by 30%, and retentivity is bigger than former electromagnet, reliability It improves；Electromagnet winding space is increased, permanent magnet and fitting coils reinforce the retentivity to slide bar.The electromagnet of integral type can By supplier's complete independently, production cost is reduced, is also convenient for installation, management.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, the utility model can have various changes, combination and variation.It is all the utility model spirit and Within principle, any modification, equivalent replacement, improvement and so on, should be included in the utility model scope of the claims it It is interior.

Claims (6)

1. electric cabinet electromagnet, including shell, and the slide bar, the coil that are installed in the shell, it is characterised in that: described Bottom is equipped with skeleton in shell, and the coil is set around on the skeleton, and the magnetic of cooperation coil is equipped with above the skeleton Property component, in what the slide bar was axially movable the be arranged in skeleton, magnet assembly, the upper end of the shell be equipped with opening with It is pierced by for the slide bar；The slide bar is equipped with locked groove, is configured with movable lock tongue part on the shell, the lock tongue part for The cooperation with the locked groove is realized in operation, thus locks slide bar.

2. electric cabinet electromagnet as described in claim 1, it is characterised in that: the lock tongue part includes jam plate, bolt, described Jam plate one end is movable to be assembled with the shell, and the other end of the jam plate is equipped with the bolt, and the jam plate activity is to control The cooperation of its bolt and the locked groove.

3. electric cabinet electromagnet as claimed in claim 2, it is characterised in that: the slide bar bottom is with cored.

4. electric cabinet electromagnet as claimed in claim 3, it is characterised in that: the opening of the shell is provided with and slide bar The guide sleeve of cooperation.

5. electric cabinet electromagnet as described in claim 1, it is characterised in that: the upper end of the slide bar is equipped with retaining ring, a pressure Contracting spring pocket is set to the slide bar upper end, and the both ends of the compressed spring are held in the retaining ring, at the shell aperture respectively.

6. electric cabinet electromagnet as described in claim 1, it is characterised in that: upper end is equipped with bracket in the shell, described The both sides of the edge of bracket end are equipped with axially extending column out；The two sides of the outer casing end are equipped with baffle, and the baffle turns over Discount is together in respective end plates；Wherein, the baffle outer edge is equipped with recessed notch, and the notch and the column cooperate.