CN211287069U - Delayed power-off magnetic lock for cabinet door of high-voltage electrical equipment - Google Patents

Abstract

The utility model relates to a high-voltage electrical equipment cabinet door postpones outage magnetic lock discloses one kind can postpone opening the door after the outage of high-voltage electrical cabinet, avoids electrician's dangerous operation's postpone outage magnetic lock. The problem of faults caused by the fact that the cabinet door is not closed in place due to the fact that the electromagnetic lock inserting column and the limiting insertion hole are formed can be avoided. The electric lock is characterized in that an electric lock shell is arranged on an installation plate, an electromagnet is arranged at the bottom of the inner side of the electric lock shell, a plurality of guide columns are fixedly arranged in the electric lock shell, the bottom ends of the guide columns are connected with the bottom of the inner side of the electric lock shell, an iron absorption plate is arranged in the electric lock shell, a plurality of guide holes are formed in the iron absorption plate, the guide columns are sleeved with a reset spring in a one-to-one correspondence mode, the guide columns are located below the iron absorption plate, one ends of a plurality of folding insertion columns are arranged at the top of the iron absorption plate side by side, the other ends of the folding insertion columns vertically extend upwards to penetrate out of the top of the electric lock shell and then extend to the horizontal direction in a bending mode, and finally.

Description

Delayed power-off magnetic lock for cabinet door of high-voltage electrical equipment

Technical Field

The utility model relates to a high-voltage electrical equipment cabinet door postpones outage magnetic lock relates to the delaying outage magnetic lock who uses on the high-voltage electrical equipment cabinet door, belongs to the electrical equipment field. In particular to a delayed power-off electromagnetic lock which can delay opening of a door after power failure of a high-voltage electrical cabinet and avoid dangerous operation of electricians.

Background

The prior publication No. CN206667971U discloses an electromagnetic locking device for a cabinet door of a high-voltage cabinet, which comprises a high-voltage cabinet body and a cabinet door, wherein the cabinet door is hinged with the high-voltage cabinet body, and the electromagnetic locking device is characterized by further comprising a limiting block and an electromagnetic locking mechanism, the limiting block is positioned on the inner side of the high-voltage cabinet body, and the electromagnetic locking mechanism is positioned on the inner side of the cabinet door and positioned at the lower end of the limiting block; the electromagnetic locking mechanism further comprises a mounting plate, a box body, an electromagnet, at least 2 locking rods, a connecting plate, a guide rod and a spring, the locking rods are matched with the limiting holes to achieve electromagnetic locking, the locking rods and the limiting holes need to be aligned concentrically when the electromagnetic locking mechanism is used, the locking rods and the limiting holes are easily penetrated and closed due to the fact that the closing position of the cabinet door is not in place, and a fault event easily occurs.

Disclosure of Invention

In order to improve the condition, the utility model relates to a high-voltage electrical equipment cabinet door postpones outage magnetic force lock provides one kind and can postpone opening the door after the outage of high-voltage electrical cabinet, avoids electrician's dangerous operation's postpone outage magnetic force lock. The problem of faults caused by the fact that the cabinet door is not closed in place due to the fact that the electromagnetic lock inserting column and the limiting insertion hole are formed can be avoided.

The utility model relates to a high-voltage electrical equipment cabinet door postpones outage magnetic lock is realized like this: the utility model relates to a high-voltage electrical equipment cabinet door postpones outage magnetic lock comprises magnetic sheet, mounting panel, lock picture peg, electricity lock shell, fixing bolt, book insert post, fixed slot, stationary blade, sheetmetal, electromagnet, reset spring, iron-absorbing plate, shell fragment and guide post, and electricity lock shell arranges on the mounting panel, electricity lock shell inboard bottom has put the electromagnet, and a plurality of guide posts are fixed to be arranged in electricity lock shell, the bottom of guide post and the inboard bottom of electricity lock shell are connected, and the iron-absorbing plate arranges in electricity lock shell, open on the iron-absorbing plate and have a plurality of guiding holes, and the one-to-one cover is arranged on a plurality of guide posts, the reset spring has been put to the guide post cover, and is located and inhales iron plate below, and a plurality of book insert post one end and arrange in iron-absorbing plate top side by side, the other end of book insert post is earlier vertical upwards extended and is worn out electricity lock shell top, then to horizontal direction bending extension, last vertical downwarping again, it has a plurality of jacks to open on the lock picture peg, and with a plurality of book insert post one-to-ones, the installation ear has been put respectively at one side both ends of lock picture peg, and two magnetic sheets fix the both ends of arranging the mounting panel in respectively, the sheetmetal has been put to magnetic sheet one side, the shell fragment has been put between sheetmetal and the magnetic sheet, laminating of shell fragment and magnetic sheet upper segment, bend the extension in the top slant of shell fragment, sheetmetal and shell fragment fixed connection, the stationary blade has been put at the top of shell fragment, it has a plurality of mounting holes to open on the stationary blade, it has the fixed slot to open respectively near both ends position on the mounting panel, the fixed slot embeds there is fixing bolt, the jack pore wall overhead slipmat that has.

Has the beneficial effects.

One, can avoid electromagnetic lock inserted column and spacing jack to close the fault problem that does not lead to the fact in place because of the cabinet door.

And secondly, the door can be opened in a delayed manner after the high-voltage electrical cabinet is powered off, so that the dangerous operation of an electrician is avoided.

Drawings

FIG. 1 is a three-dimensional structure diagram of a magnetic lock for delaying power failure of a cabinet door of high-voltage electrical equipment;

FIG. 2 is a three-dimensional structure diagram of the magnetic lock for delaying the power failure of the cabinet door of the high-voltage electrical equipment;

fig. 3 is a schematic structural view of the electromagnetic lock for delaying power failure of the cabinet door of the high-voltage electrical equipment of the present invention;

FIG. 4 is a three-dimensional structure diagram of a magnetic lock fixing piece for delaying power failure of a cabinet door of high-voltage electrical equipment;

fig. 5 the utility model relates to a circuit control diagram of high-voltage electrical equipment cabinet door postpones outage magnetic lock.

In the attached drawings

Wherein the method comprises the following steps: the electric lock comprises a cabinet body 1, a cabinet door 2, a magnetic sheet 3, a mounting plate 4, a lock insertion plate 5, an electric lock shell 6, a fixing bolt 7, a folding insertion column 8, a fixing groove 9, a fixing sheet 10, a metal sheet 11, an electromagnet 12, a reset spring 13, an iron attracting plate 14, an elastic sheet 15, an energy storage capacitor 16, an equipment power supply 17, a diode 18, an unlocking end 19, a locking end 20, a time relay 21 and a guide column 22.

The specific implementation mode is as follows:

the utility model relates to a high-voltage electrical equipment cabinet door postpones outage magnetic lock is realized like this, by magnetic sheet 3, mounting panel 4, lock picture peg 5, electric lock shell 6, fixing bolt 7, book insert post 8, fixed slot 9, stationary blade 10, sheetmetal 11, electromagnet 12, reset spring 13, inhale iron plate 14, shell fragment 15 and guide post 22 and constitute, electric lock shell 6 arranges in on mounting panel 4, electric lock shell 6 inboard bottom is put with electromagnet 12, a plurality of guide posts 22 are fixed to be arranged in electric lock shell 6, the bottom of guide post 22 is connected with the inboard bottom of electric lock shell 6, inhale iron plate 14 arranges in electric lock shell 6, it has a plurality of guiding holes to open on inhaling iron plate 14, and one-to-one overlaps on a plurality of guide posts 22, guide post 22 is gone up to overlap and is put reset spring 13, and is located and inhale iron plate 14 below, a plurality of book insert post 8 one end and arrange in side by side and inhale 14 top, the other end of the folding and inserting column 8 vertically extends upwards to penetrate out of the top of the electric lock shell 6, then extends in a horizontal direction in a bending manner, and finally bends downwards vertically, the lock inserting plate 5 is provided with a plurality of jacks corresponding to the folding and inserting columns 8 one by one, two ends of one side of the lock inserting plate 5 are respectively provided with an installation lug, two magnetic sheets 3 are respectively and fixedly arranged at two ends of the installation plate 4, one side of each magnetic sheet 3 is provided with a metal sheet 11, an elastic sheet 15 is arranged between the metal sheet 11 and the magnetic sheet 3, the elastic sheet 15 and the magnetic sheet 3 are jointed at the upper section, the top of the elastic sheet 15 is bent upwards in an inclined manner and extends, the metal sheet 11 is fixedly connected with the elastic sheet 15, the top of the elastic sheet 15 is provided with a fixing sheet 10, the fixing sheet 10 is provided with a plurality of installation holes, the installation plate 4 is provided with fixing grooves 9 near the two, and the wall of the jack is provided with an anti-skid pad.

When in use, the lock inserting plate 5 is firstly installed and fixed at the lower position of the inner side of the cabinet door 2, the two fixing pieces 10 are fixed at the inner side of the cabinet door 2, the mounting plate 4 is installed at the bottom in the cabinet body 1 through the fixing bolt 7, the metal sheets 11 on the fixing pieces 10 and the magnetic sheets 3 at the two ends of the mounting plate 4 are mutually magnetically attracted, so that the cabinet door 2 can be tightly closed without the action of external force, the inserting holes on the lock inserting plate 5 are aligned with the folding inserting columns 8,

when the cabinet door 2 is in work, when power failure does not occur, the equipment power supply 17 is communicated with the electromagnet, the energy storage capacitor 16 charges and stores energy at the moment, the electromagnet is in an adsorption state, the iron attracting plate 14 and the electromagnet overcome the stress of the reset spring 13 and are adsorbed together, and the other end of the folding and inserting column 8 on the iron attracting plate 14 is inserted into the jack of the locking and inserting plate 5 to lock the cabinet door 2;

when the power failure occurs, the energy storage capacitor 16 discharges to continuously supply power to the attracted electromagnet, the time relay 21 starts timing at the moment, the time relay 21 is disconnected after timing to set time, the extended power failure is realized, the electromagnet and the iron absorbing plate 14 are separated under the action of the reset spring 13, the folding insertion column 8 slides out of the insertion hole of the locking insertion plate 5 at the moment, the power failure is safe, and personnel can manually open the cabinet door 2.

The elastic sheet 15 is designed to elastically buffer the magnetic sheet 3 and the metal sheet 11 when the magnetic sheet and the metal sheet are mutually adsorbed to generate collision;

the aim of delaying opening the door after the power failure of the high-voltage electrical cabinet and avoiding the dangerous operation of electricians is fulfilled.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (5)

1. The utility model provides a high-voltage electrical equipment cabinet door postpones outage magnetic lock, characterized by: the electromagnetic lock is composed of a magnetic sheet, an installation plate, a lock inserting plate, an electric lock shell, a fixing bolt, a folding inserting column, a fixing groove, a fixing sheet, a metal sheet, an electromagnet, a reset spring, an iron absorption plate, an elastic sheet and guide columns, wherein the electric lock shell is arranged on the installation plate, the electromagnet is arranged at the bottom of the inner side of the electric lock shell, the guide columns are fixedly arranged in the electric lock shell, the bottom end of each guide column is connected with the bottom of the inner side of the electric lock shell, the iron absorption plate is arranged in the electric lock shell, a plurality of guide holes are formed in the iron absorption plate in a sleeved mode and are sleeved on the guide columns in a one-to-one correspondence mode, the reset spring is sleeved on each guide column and located below the iron absorption plate, one ends of the folding inserting columns are arranged at the top of the iron absorption plate side by side, the other ends of the folding inserting columns firstly vertically extend upwards to penetrate out of the top of the electric lock shell and, and with a plurality of book insert the post one-to-one, the installation ear has been put respectively at one side both ends of lock picture peg, and two magnetic sheets are fixed respectively and arrange the both ends of mounting panel in, the sheetmetal has been put to magnetic sheet one side, it has the fixed slot to open respectively to be close to both ends position on the mounting panel, the fixed slot embeds there is fixing bolt.

2. The magnetic lock for delaying power failure of the cabinet door of the high-voltage electrical equipment as claimed in claim 1, wherein an elastic sheet is arranged between the metal sheet and the magnetic sheet, and the elastic sheet is attached to the upper section of the magnetic sheet.

3. The electromagnetic lock for delaying power failure of the cabinet door of the high-voltage electrical equipment as claimed in claim 2, wherein the top of the elastic sheet is bent and extended obliquely upwards, and the metal sheet is fixedly connected with the elastic sheet.

4. The magnetic lock for delaying power failure of the cabinet door of the high-voltage electrical equipment as claimed in claim 3, wherein a fixing plate is arranged at the top of the elastic sheet, and a plurality of mounting holes are formed in the fixing plate.

5. The electromagnetic lock for delaying power failure of the cabinet door of high-voltage electrical equipment according to claim 1, wherein a non-slip pad is arranged on the wall of the hole.

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