CN-224232608-U - Integrated star three-angle contact

Abstract

The utility model relates to the technical field of manufacturing and application of low-voltage electrical appliance products, in particular to an integrated star-delta contactor, wherein the inside of a shell structure comprises an upper installation position and a lower installation position, two short circuit rows and contact systems are arranged at the lower installation position, the short circuit rows are electrically connected among different contact systems to form a star-delta starting electrical loop, each three contact systems form a tripolar contactor, 3 contact systems at one side form a main contactor, 3 contact systems at the middle form a star contactor and 3 contact systems at the other side form a star contactor, an electromagnetic system is arranged at the upper installation position, and the electromagnetic system is used for controlling the actions of the main contactor, the star contactor and the star contactor. The integrated star-delta contact has the advantages of compact structure, low use cost and stable performance.

Inventors

• KANG JIAN
• XIE HAO
• LIU YANSU
• LIU YULONG
• BAI TAO

Assignees

• 沈阳斯沃电器有限公司

Dates

Publication Date

20260512

Application Date

20250512

Claims (9)

1. 1. An integral type star three angle contact ware, its characterized in that: the novel electric circuit comprises a shell structure, an electromagnetic system, short circuit rows, 9 contact systems and an external connection box, wherein the shell structure comprises an upper installation position and a lower installation position in the shell structure, two short circuit rows and two contact systems are positioned in the lower installation position, and the short circuit rows are used for electric connection between different contact systems to form a star-delta starting electric circuit; Of the 9 contact systems, every three contact systems form a tripolar contactor, wherein 3 contact systems on one side form a main contactor, 3 contact systems on the middle form an angular contactor, and 3 contact systems on the other side form a star contactor; The electromagnetic system is arranged at the upper part installation position and is used for controlling the action of the main contactor, the angular contactor and the star contactor.
2. 2. The integrated star-delta contact of claim 1, wherein the housing structure comprises an upper housing, a middle housing and a lower housing, wherein the upper housing has an upper mounting location and the lower housing has a lower mounting location, and the middle housing is positioned between the upper housing and the lower housing and separates the lower mounting location from the upper mounting location.
3. 3. The integrated star-delta contact of claim 2, wherein the top of the upper housing has a removable upper cover that can expose the electromagnetic system after removal, and wherein the upper and middle housings can be removed and the lower housing and the contact system exposed.
4. 4. The integrated star-delta contact of claim 2, wherein the lower housing has a plurality of foot structures for securing the integrated star-delta contact, the foot structures being located on the peripheral side of the lower housing.
5. 5. The integrated star-delta contact of claim 2, wherein the middle housing is further provided with an electrical interlock, the electrical interlock is used for preventing the simultaneous closing of the star contact and the angular contact, and the electrical interlock comprises a first normally-closed contact and a second normally-closed contact.
6. 6. The integrated star-delta contactor of claim 5, further comprising an external junction box for powering the electromagnetic systems of the main contactor, the angular contactor, and the star contactor; The external junction box is used for electrically connecting an external open electromagnetic system wiring terminal and a signal feedback terminal, and the electromagnetic system wiring terminal and the signal feedback terminal are used for receiving control signals and sending feedback signals.
7. 7. The integrated star-delta contact of claim 6, wherein the electromagnetic system comprises three electromagnetic control units, and the electromagnetic system connection terminals are respectively and electrically connected with the coils of the three electromagnetic control units, wherein The two sides of the coil of the first electromagnetic control unit are directly connected with the wiring terminals of the electromagnetic system; One side of a coil of the second electromagnetic control unit is connected with an electromagnetic system wiring terminal, and the other side of the coil of the second electromagnetic control unit is connected with a second normally closed contact of the electrical interlock; one side of a coil of the third electromagnetic control unit is connected with an electromagnetic system wiring terminal, and the other side is connected with a first normally closed contact of the electric interlock.
8. 8. The integrated star-delta contact of claim 1, wherein the contact system of the integrated star-delta contact comprises 3 contact incoming copper bars and 6 contact outgoing copper bars.
9. 9. The integrated star-delta contactor of claim 2, wherein said middle housing further mounts a mechanical interlock for preventing simultaneous closing of the angular contactor and the star contactor.

Description

Integrated star three-angle contact Technical Field The utility model relates to the technical field of manufacturing and application of low-voltage electrical products, in particular to an integrated star-delta contact. Background The star-delta starting circuit in the current market is mainly composed of three independent contactors or one single contactor and one single contactor. When in use, the connection between the contactors is complex, the labor cost is high, the material waste is large, and the attractiveness is poor. Disclosure of utility model In order to solve the problems, the integrated star-delta contact has the advantages of compact structure, low use cost and stable performance. In order to achieve the above purpose, the utility model adopts the following technical scheme: The utility model provides an integral type star three angle contact, includes shell structure, electromagnetic system, short circuit row, 9 contact system and external connection box, the inside of shell structure includes upper portion installation position and lower part installation position, the short circuit row has two, two short circuit row and contact system are located the lower part installation position, the short circuit is arranged in the electrical connection between the different contact system to form star triangle and start electrical circuit; Of the 9 contact systems, every three contact systems form a tripolar contactor, wherein 3 contact systems on one side form a main contactor, 3 contact systems on the middle form an angular contactor, and 3 contact systems on the other side form a star contactor; The electromagnetic system is arranged at the upper part installation position and is used for controlling the action of the main contactor, the angular contactor and the star contactor. Preferably, the shell structure comprises an upper shell, a middle shell and a lower shell, wherein an upper installation position is arranged in the upper shell, a lower installation position is arranged in the lower shell, and the middle shell is positioned between the upper shell and the lower shell and separates the lower installation position from the upper installation position. The top of the upper shell is provided with a detachable upper cover which can expose the electromagnetic system after being detached, and the upper shell and the middle shell can be detached and expose the lower shell and the contact system. Preferably, the lower housing has a plurality of foot structures for fastening the integrated star-delta contact, said foot structures being located on the outer circumferential side of the lower housing. Preferably, the middle shell is further provided with an electrical interlock, the electrical interlock is used for preventing the angular contactor and the star contactor from being simultaneously closed, and the electrical interlock comprises a first normally-closed contact and a second normally-closed contact. Preferably, the integrated star-delta contactor further comprises an external connection box for supplying power to and wiring the electromagnetic systems of the main contactor, the angular contactor and the star contactor; The external junction box is used for electrically connecting an external open electromagnetic system wiring terminal and a signal feedback terminal, and the electromagnetic system wiring terminal and the signal feedback terminal are used for receiving control signals and sending feedback signals. Preferably, the electromagnetic system comprises three electromagnetic control units, and the electromagnetic system connection terminals are respectively and electrically connected with coils of the three electromagnetic control units, wherein The two sides of the coil of the first electromagnetic control unit are directly connected with the wiring terminals of the electromagnetic system; One side of a coil of the second electromagnetic control unit is connected with an electromagnetic system wiring terminal, and the other side of the coil of the second electromagnetic control unit is connected with a second normally closed contact of the electrical interlock; one side of a coil of the third electromagnetic control unit is connected with an electromagnetic system wiring terminal, and the other side is connected with a first normally closed contact of the electric interlock. Preferably, the contact system in the integrated star-delta contact comprises 3 contact incoming copper bars and 6 contact outgoing copper bars. Preferably, the middle housing is further provided with a mechanical interlock for preventing simultaneous closing of the angular contact and the star contact. The beneficial effects of using the utility model are as follows: the integrated star-delta contact provided by the application has the advantages that the contact modules of the three contacts and the wiring between the contact modules are arranged in the shell of a finished product, so that the secondary lab