CN215771014U

CN215771014U - Energy-saving AC contactor

Info

Publication number: CN215771014U
Application number: CN202122318457.5U
Authority: CN
Inventors: 刘集
Original assignee: Xinyichuang Technology Development Beijing Co ltd
Current assignee: Xinyichuang Technology Development Beijing Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-08
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an energy-saving alternating current contactor, which comprises a contactor body, wherein a self-adaptive communication mechanism is arranged in the contactor body, the self-adaptive communication mechanism comprises a current-conducting plate, and the right end of the current-conducting plate is welded and fixed with a power-connection copper plate through a metal column; the contact copper plate is connected and fixed with the moving contact, the fixed contact is fixed with a lapping column, the lower part of the left end of the conductive plate is provided with an electromagnet, and the left end and the right end of the electromagnet are respectively fixed with a copper shifting piece. The utility model provides an energy-saving alternating current contactor, when a moving contact is closed with a static contact under the action of an electrified coil magnetic field, the moving contact is contacted with a copper plectrum so as to be communicated with an access circuit of an electromagnet, the electromagnet generates magnetism to attract a conductive plate, so that the left end of the conductive plate is contacted with a lap joint column, the flow cross section of the current of the contactor is increased, on one hand, the stable passing of the current is promoted, on the other hand, the useless consumption of the heat energy converted from the current in the moving contact is reduced, and the energy-saving effect is achieved.

Description

Energy-saving AC contactor

Technical Field

The utility model relates to the technical field of contactor equipment, in particular to an energy-saving alternating current contactor.

Background

Contactors are classified into alternating current contactors (voltage AC) and direct current contactors (voltage DC), and are applied to electric power, distribution, and power utilization occasions. The contactor is an electric appliance which utilizes a coil to flow current to generate a magnetic field in industrial electricity to close a contact so as to control a load. The contactor has large control capacity, is suitable for frequent operation and remote control, and is one of important elements in an automatic control system.

In the existing alternating current contactor, a moving contact needs to be in contact with or disconnected from a fixed contact under the action of a magnetic field, so that the structure and the volume of the moving contact are usually limited, the passing section of current is limited, part of the current is converted into heat energy in the moving contact to be consumed, and useless loss of electric energy is caused. Therefore, the inventor provides the energy-saving alternating current contactor by combining various factors.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an energy-saving ac contactor to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

an energy-saving alternating current contactor comprises a contactor body, wherein a self-adaptive communication mechanism is installed in the contactor body and comprises a current conducting plate, the current conducting plate is located in the contactor body and is located right above a moving contact and a static contact, and the right end of the current conducting plate is welded and fixed with a power connection copper plate through a metal column;

the electric contact copper plate is connected and fixed with the moving contact, a lapping column is fixed on the static contact head opposite to the left end of the current conducting plate, an electromagnet is installed on the contactor body below the left end of the current conducting plate, copper shifting pieces are respectively fixed on the left end and the right end of the electromagnet, one of the two copper shifting pieces is welded and fixed with the static contact, and the other copper shifting piece is connected with the moving contact in a butting mode.

When the moving contact is closed with the static contact under the action of the energized coil magnetic field, the moving contact is in contact with the copper plectrum, and then an access circuit of the electromagnet is communicated, so that the electromagnet is energized, the electromagnet generates magnetism to attract the conductive plate, and the left end of the conductive plate is in contact with the lap joint column, so that an energizing circuit is additionally constructed outside the moving contact and the static contact, the flowing section of the current of the contactor is increased, on one hand, the current is favorably promoted to stably pass through, on the other hand, the useless consumption of the current converted into heat energy in the moving contact is reduced, and the energy-saving effect is achieved.

As a further scheme of the utility model: the electromagnet is fixed on the contactor body through gluing, is suitable for metal parts to be fixed, avoids exposing electricity to influence the electromagnet on the one hand, and is convenient to fix on the other hand.

As a further scheme of the utility model: the copper plectrum bottom with the moving contact butt is outside arc bending setting, agrees with the moving of moving contact under the effect of coil circular telegram magnetic field, makes it change in the contact, avoids the copper plectrum to hinder the removal of moving contact to open and shut the operation.

As a further scheme of the utility model: the copper plectrum and the moving contact that offsets are all integrated into one piece and are connected with the bump for increase the area of contact of copper plectrum and moving contact, ensure that sufficient electric current passes through the cross-section.

As a further scheme of the utility model: the conductive plates, the metal columns and the lap joint columns are all made of cobalt, the conductivity of the cobalt is higher than that of iron, the cobalt can be attracted by magnetic force, and the conductivity of the conductive plates, the metal columns and the lap joint columns can be improved by changing the components by the aid of existing alloy technology on the basis that the condition of magnetic attraction is met.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model provides an energy-saving alternating current contactor, which is ingenious in structural arrangement and reasonable in arrangement, when a moving contact is closed with a static contact under the action of an electrified coil magnetic field, the moving contact is contacted with a copper plectrum so as to be communicated with an access circuit of an electromagnet, the electromagnet is electrified, the electromagnet generates magnetism to attract a conductive plate, and the left end of the conductive plate is contacted with a lapping column, so that an electrified circuit is additionally constructed outside the moving contact and the static contact, the flowing section of current of the contactor is increased, on one hand, the stable passing of the current is favorably improved, on the other hand, the useless consumption of the current converted into heat energy in the moving contact is reduced, and the energy-saving effect is achieved;

2. the bottom of the copper plectrum which is abutted against the moving contact is further arranged in an outward arc-shaped bending way, and the moving contact is matched with the movement of the moving contact under the action of the energizing magnetic field of the coil, so that the moving contact is easier to contact, and the copper plectrum is prevented from blocking the moving opening and closing operation of the moving contact

3. The alternating current contactor has the advantages of good energy-saving effect, simple structure, small change to the existing alternating current contactor and convenient use.

Drawings

Fig. 1 is a front view of an energy saving type ac contactor.

Fig. 2 is a schematic structural diagram of a self-adaptive communication mechanism in an energy-saving ac contactor.

Fig. 3 is a side view of a copper pick and a moving contact in an energy-saving ac contactor.

In the figure: 1. a contactor body; 11. a moving contact; 12. static contact; 13. connecting a copper plate with electricity; 2. a self-adaptive communication mechanism; 21. a conductive plate; 22. a metal post; 23. a lap joint column; 24. an electromagnet; 25. a copper plectrum; 26. and (4) bumps.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1 to 3, an energy-saving ac contactor includes a contactor body 1 and a self-adaptive communication mechanism 2;

the self-adaptive communicating mechanism 2 is arranged in the contactor body 1, the self-adaptive communicating mechanism 2 comprises a conductive plate 21, a metal column 22, a lapping column 23, an electromagnet 24 and a copper plectrum 25, the conductive plate 21 is positioned right above the moving contact 11 and the static contact 12 in the contactor body 1, the right end of the conductive plate 21 is welded and fixed with the power connection copper plate 13 through the metal column 22, and the power connection copper plate 13 is fixed with the moving contact 11 at the same time;

the lapping column 23 is fixed on the static contact 12 in a welding way and is opposite to the left end of the conducting plate 21, the electromagnet 24 is fixed on the contactor body 1 below the left end of the conducting plate 21 through gluing, two copper plectrums 25 are respectively fixed on the left end and the right end of the electromagnet 24 in a welding way, one of the two copper plectrums 25 is fixed with the static contact 12 in a welding way, and the other copper plectrum is connected with the movable contact 11 in a butting way;

the bottom of the copper plectrum 25 abutted against the moving contact 11 is arranged in an outward arc-shaped bending manner, the copper plectrum 25 and the abutted moving contact 11 are integrally connected with a salient point 26, and the conductive plate 21, the metal column 22 and the lapping column 23 are all made of cobalt.

The working principle of the utility model is as follows: when the moving contact 11 is closed with the static contact 12 under the action of the energized coil magnetic field, the moving contact 11 is in contact with the copper plectrum 25, and further the access circuit of the electromagnet 24 is communicated, so that the electromagnet 24 is energized, the electromagnet 24 generates magnetism to attract the conductive plate 21, and the left end of the conductive plate 21 is in contact with the lapping column 23, so that an additional energizing circuit is constructed outside the moving contact 11 and the static contact 12, the flowing section of the current of the contactor is increased, on one hand, the stable passing of the current is favorably promoted, on the other hand, the useless consumption of the current converted into heat energy in the moving contact is reduced, and the energy-saving effect is achieved.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An energy-saving alternating current contactor comprises a contactor body (1), and is characterized in that a self-adaptive communication mechanism (2) is installed in the contactor body (1), the self-adaptive communication mechanism (2) comprises a conductive plate (21), the conductive plate (21) is located right above a moving contact (11) and a static contact (12) in the contactor body (1), and the right end of the conductive plate (21) is welded and fixed with an electric connection copper plate (13) through a metal column (22);

the power connection copper plate (13) is connected and fixed with the moving contact (11) at the same time, a lapping column (23) is fixed on the static contact (12) and opposite to the left end of the current conducting plate (21), an electromagnet (24) is installed on the contactor body (1) below the left end of the current conducting plate (21), copper plectrums (25) are respectively fixed at the left end and the right end of the electromagnet (24), one of the two copper plectrums (25) is welded and fixed with the static contact (12), and the other copper plectrum is connected with the moving contact (11) in a butting mode.

2. An energy efficient ac contactor according to claim 1, characterized in that said electromagnet (24) is fixed to the contactor body (1) by gluing.

3. An energy-saving ac contactor according to claim 2, wherein the bottom of the copper plate (25) abutting against the moving contact (11) is curved outward.

4. An energy saving ac contactor according to claim 3, wherein the copper pick-up (25) and the opposing moving contact (11) are integrally connected with a bump (26).

5. An energy efficient ac contactor according to any one of claims 1 to 4, wherein said conductive plates (21), said metal posts (22) and said bridging posts (23) are made of cobalt.