CN211208315U

CN211208315U - High-voltage contactor capable of preventing electric arc generation

Info

Publication number: CN211208315U
Application number: CN201921825494.1U
Authority: CN
Inventors: 杨庆; 余长忠
Original assignee: Yancheng Heming Electric Manufacturing Co ltd
Current assignee: Yancheng Heming Electric Manufacturing Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-07
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a prevent high-voltage contactor that electric arc produced, including mounting base and connecting shell, mounting base's upper surface is provided with the shell body, and the upper end of shell body is provided with fixed ear, the interior bottom of shell body is provided with quiet iron core, and is provided with solenoid in the quiet iron core, quiet iron core top is provided with moves the iron core, and moves the interior top of iron core and be provided with buffer spring, and buffer spring's lower extreme and solenoid upper end contact simultaneously, the top of moving the iron core is provided with the arc-extinguish chamber, connecting shell sets up the left and right sides at the shell body, and the outside of connecting shell is connected with sealed lid through first bolt. This prevent high voltage contactor that electric arc produced, the temperature of the electric arc that the arc-extinguishing cover can reduce the production with higher speed extinguishes of electric arc, reduces electric arc and produces the influence to the device, and the moisture absorption plate reduces outside humid air and arouses that high voltage contactor is inside to produce and draws the arc, and dustproof leakage net reduces inside the dust gets into high voltage contactor, influences the radiating effect.

Description

High-voltage contactor capable of preventing electric arc generation

Technical Field

The utility model relates to a high voltage contactor technical field specifically is a prevent high voltage contactor that electric arc produced.

Background

High-voltage contactor is a connecting switch for high-voltage power supply circuit, traditional insulating column that mainly passes through the porcelain, realize and the ground between insulating, mainly including the shell, the coil, move the iron core, parts such as quiet iron core and spring, after the coil circular telegram, move iron core and quiet iron core and be magnetized, produce electromagnetic attraction between them, when electromagnetic attraction is greater than the reaction force of spring, it begins to move towards the direction of quiet iron core and contact with it to move the iron core, but there is no arc extinguishing device in the structure of whole product, and the relay produces electric arc easily under the condition of high-pressure heavy current, make to electrocute the ablation, lead to the product inefficacy, humid environment leads to electric arc to produce easily, shorten its life, the dust influences its radiating effect easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high voltage contactor who prevents electric arc production to there is not arc control device in the structure of the whole product that proposes in solving above-mentioned background art, and the relay produces electric arc easily under the condition of high-pressure heavy current, makes to electrocute and ablates, leads to the product inefficacy, and humid environment leads to electric arc to produce easily, shortens its life, and the dust influences its radiating effect's problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent high-voltage contactor that electric arc produced, includes mounting base and connecting shell, mounting base's upper surface is provided with the shell body, and the upper end of shell body is provided with fixed ear, the interior bottom of shell body is provided with quiet iron core, and is provided with solenoid in the quiet iron core, quiet iron core top is provided with moves the iron core, and moves the interior top of iron core and be provided with buffer spring, and buffer spring's lower extreme and solenoid upper end contact simultaneously, the top of moving the iron core is provided with the arc-extinguishing cover, connecting shell sets up the left and right sides at the shell body, and the outside of connecting shell is connected with sealed lid through first bolt.

Preferably, the shell body is including lower casing, last casing and second bolt, and is provided with the casing down above the casing, goes up through second bolt threaded connection between casing and the lower casing, and the second bolt sets up about shell body central line symmetry, and the casing setting is on the mounting base down.

Preferably, the fixing lugs are symmetrically arranged about the center line of the outer shell, and the fixing lugs are arranged on the upper surface of the upper shell.

Preferably, the connection housing comprises a moisture absorption plate, and the moisture absorption plate is slidably connected to an inner side wall of the connection housing.

Preferably, the sealing cover is in threaded connection with the connecting shell through the first bolt, and the connecting shell is symmetrical about the center line of the outer shell.

Preferably, sealed lid is including leading to the line hole and dustproof leaking the net, and leads to the line hole and offer on sealed lid, leads to line hole inside wall sliding connection simultaneously and has dustproof leaking the net.

Compared with the prior art, the beneficial effects of the utility model are that: the high-voltage contactor for preventing the generation of arc,

(1) the high-voltage contactor can be installed on the horizontal plane of an external fixing frame through the installation base according to the installation position of the high-voltage contactor, and can also be hung and fixed on the side surface of the high-voltage contactor through the fixing lugs according to the actual situation;

(2) sliding connection has the moisture absorption board in connecting the casing, the moisture absorption board can reduce the influence of external humid air to high voltage contactor inside, it arouses the electric arc to produce to reduce humid environment, the through hole that sets up in the sealed lid in addition is convenient for interconnecting link to run through, it is provided with dustproof hourglass net in the through hole, dustproof hourglass net can reduce inside the dust gets into high voltage contactor, influence its radiating effect and lead to the contact failure, dustproof hourglass net and moisture absorption board demountable installation, the clearance is conveniently maintained.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the front view structure of the connection between the through hole and the dust-proof screen of the present invention.

In the figure: 1. the installation base, 2, the shell body, 201, the lower casing, 202, the upper casing, 203, the second bolt, 3, fixed ear, 4, quiet iron core, 5, solenoid, 6, movable iron core, 7, buffer spring, 8, arc extinguishing cover, 9, connect the casing, 901, the moisture absorption plate, 10, sealed lid, 1001, lead to the line hole, 1002, dustproof hourglass net, 11, first bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: in a high voltage contactor for preventing generation of arc, as shown in fig. 1 and 2, an outer case 2 is provided on an upper surface of a mounting base 1, and the upper end of the outer shell 2 is provided with a fixing lug 3, the outer shell 2 comprises a lower shell 201, an upper shell 202 and a second bolt 203, an upper shell 202 is arranged above the lower shell 201, the upper shell 202 and the lower shell 201 are connected through a second bolt 203 in a threaded manner, and the second bolts 203 are symmetrically arranged about the central line of the outer shell 2, the lower shell 201 is arranged on the mounting base 1, the upper shell 202 is tightly connected with the lower shell 201 through the second bolts 203, the disassembly and the internal maintenance are convenient, in addition, the left side wall and the right side wall of the outer shell 2 are respectively provided with a through hole which is in one-to-one correspondence with the through hole 1001, the fixing lugs 3 are symmetrically arranged relative to the central line of the outer shell 2, and fixing lug 3 sets up on upper housing 202 upper surface, and fixing lug 3 has increased high voltage contactor's fixed mode.

As shown in fig. 1, a stationary iron core 4 is disposed at the inner bottom of the outer shell 2, an electromagnetic coil 5 is disposed in the stationary iron core 4, a movable iron core 6 is disposed above the stationary iron core 4, a buffer spring 7 is disposed at the inner top end of the movable iron core 6, the lower end of the buffer spring 7 is in contact with the upper end of the electromagnetic coil 5, and an arc extinguishing chamber 8 is disposed above the movable iron core 6.

As shown in fig. 1 and 3, the connecting housing 9 is disposed on the left and right sides of the outer housing 2, the outer side of the connecting housing 9 is connected to the sealing cover 10 through the first bolt 11, the connecting housing 9 includes a moisture absorption plate 901, the moisture absorption plate 901 is slidably connected to the inner sidewall of the connecting housing 9, the moisture absorption plate 901 reduces the generation of electric arcs inside the high-voltage contactor caused by humid air, the moisture absorption plate 901 is provided with through holes corresponding to the through hole 1001 one by one, the sealing cover 10 is in threaded connection with the connecting housing 9 through the first bolt 11, the connecting housing 9 is symmetrical about the centerline of the outer housing 2, the sealing cover 10 is in threaded connection with the connecting housing 9 through the first bolt 11, the sealing cover 10 is convenient to detach and replace the moisture absorption plate 901, the connecting housing 9 is divided into an upper portion and a lower portion which correspond to the lower housing 201 and the upper housing 202, the sealing cover 10 includes the, and lead to the line hole 1001 and set up on sealed lid 10, lead to the inside wall sliding connection of line hole 1001 simultaneously and have dustproof hourglass net 1002, dustproof hourglass net 1002 reduces the dust and produces the influence to the heat dissipation in the high voltage contactor, and dustproof hourglass net 1002 passes through the screw fixation on sealed lid 10, the convenient dismantlement is changed.

The working principle is as follows: when the high-voltage contactor for preventing electric arc generation is used, a movable contact is arranged above a movable iron core 6 and connected, a static contact is arranged on an external wiring terminal, the wiring terminal is arranged on the outer side of an arc extinguishing cover 8, a circuit is connected with the wiring terminal and then penetrates through a through hole and a wiring hole 1001 on an outer shell 2 and a moisture absorption plate 901 to be connected with an external equipment device, an upper shell 202 and a lower shell 201 are connected and fixed through a second bolt 203, the installation and the fixation are carried out through an installation base 1 or a fixing lug 3 according to the installation position environment of the high-voltage contactor, a power supply is switched on, when an electromagnetic coil 5 is electrified, the fixed iron core 4 and the movable iron core 6 are magnetized, an electromagnetic attraction force is generated between the fixed iron core 4 and the movable iron core 6, when the electromagnetic attraction force is larger than the reaction force of a buffer spring 7, the movable iron core 6 starts to move towards, after the electromagnetic coil 5 is powered off, the movable iron core 6 is separated from the static iron core 4 under the action of the buffer spring 7, the movable contact is separated from the static contact, the temperature of generated electric arcs can be reduced by the arc extinguishing cover 8, the extinguishing of the electric arcs is accelerated, the influence of the electric arcs on the device is reduced, the influence of external humid air on the inside of the high-voltage contactor can be reduced by the moisture absorption plate 901, the electric arcs generated in a humid environment are reduced, the dust leakage prevention net 1002 can reduce the influence of dust on the heat dissipation of the inside of the high-voltage contactor, the dust leakage prevention net 1002 can be cleaned regularly, the first bolt 11 can be detached to maintain and replace the dust leakage prevention net, the moisture absorption plate 901 is convenient to maintain, and the content which is not described in detail in the specification belongs to the prior.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A high-voltage contactor for preventing generation of arc, comprising a mounting base (1) and a connecting housing (9), characterized in that: the upper surface of mounting base (1) is provided with shell body (2), and the upper end of shell body (2) is provided with fixed ear (3), the interior bottom of shell body (2) is provided with quiet iron core (4), and is provided with solenoid (5) in quiet iron core (4), quiet iron core (4) top is provided with moves iron core (6), and moves the interior top of iron core (6) and be provided with buffer spring (7), and the lower extreme of buffer spring (7) contacts with solenoid (5) upper end simultaneously, the top of moving iron core (6) is provided with arc extinguishing cover (8), connect casing (9) and set up the left and right sides at shell body (2), and the outside of connecting casing (9) is connected with sealed lid (10) through first bolt (11).

2. The high-voltage contactor for preventing generation of arc according to claim 1, wherein: the outer shell (2) comprises a lower shell (201), an upper shell (202) and a second bolt (203), the upper shell (202) is arranged above the lower shell (201), the upper shell (202) is in threaded connection with the lower shell (201) through the second bolt (203), the second bolt (203) is symmetrically arranged relative to the center line of the outer shell (2), and the lower shell (201) is arranged on the mounting base (1).

3. The high-voltage contactor for preventing generation of arc as claimed in claim 2, wherein: the fixing lugs (3) are symmetrically arranged relative to the central line of the outer shell (2), and the fixing lugs (3) are arranged on the upper surface of the upper shell (202).

4. The high-voltage contactor for preventing generation of arc according to claim 1, wherein: the connecting shell (9) comprises a moisture absorption plate (901), and the moisture absorption plate (901) is connected to the inner side wall of the connecting shell (9) in a sliding mode.

5. The high-voltage contactor for preventing generation of arc according to claim 1, wherein: the sealing cover (10) is in threaded connection with the connecting shell (9) through the first bolt (11), and the connecting shell (9) is symmetrical about the center line of the outer shell (2).

6. The high-voltage contactor for preventing generation of arc according to claim 1, wherein: sealed lid (10) are including leading to line hole (1001) and dustproof hourglass net (1002), and lead to line hole (1001) and set up on sealed lid (10), lead to line hole (1001) inside wall sliding connection simultaneously and have dustproof hourglass net (1002).