CN211578637U - 150A vacuum direct current contactor - Google Patents
150A vacuum direct current contactor Download PDFInfo
- Publication number
- CN211578637U CN211578637U CN202020626483.7U CN202020626483U CN211578637U CN 211578637 U CN211578637 U CN 211578637U CN 202020626483 U CN202020626483 U CN 202020626483U CN 211578637 U CN211578637 U CN 211578637U
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- China
- Prior art keywords
- contactor
- vacuum
- direct current
- binding post
- contact
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- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 9
- 238000010891 electric arc Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a 150A vacuum direct current contactor, including insulating casing, main contact and binding post, the shaping of insulating casing upper end has the baffle, be connected with the vacuum tube through the draw-in groove on the baffle, the welding of vacuum tube one end has the main contact, there is binding post main contact one side through threaded connection, the last nested metallic gasket that has of binding post. Has the advantages that: the utility model discloses a set up binding post, metal gasket, can increase the area of contact of binding post and external lines terminal, guarantee that the contactor wiring is stable, avoid the circuit terminal to drop, improve the result of use of contactor, through set up the sealed bottom of detachable in the insulating casing bottom, conveniently inspect the maintenance to the contactor, reduce the maintenance degree of difficulty, improve the practicality of contactor.
Description
Technical Field
The utility model relates to a contactor technical field, concretely relates to 150A vacuum direct current contactor.
Background
Vacuum contactors utilize vacuum interrupters to extinguish arcs for frequent switching on and off of normal operating currents, typically for long-distance switching on and off of medium and low voltage, frequently started and stopped 6kV, 380V ac motors.
The area of the wiring terminal on the current direct current contactor is small, the wiring terminal is easy to fall off during connection of a circuit, the circuit connection is poor, the using effect of the contactor is affected, and in addition, the current direct current contactor is compact in structure, inconvenient to check, difficult to install and detach, the maintenance difficulty is increased, and the practicability of the device is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the 150A vacuum direct current contactor is provided, and the problems that the area of a wiring terminal on the existing direct current contactor is small, the wiring terminal is easy to fall off during connection, the wiring connection is poor, and the using effect of the contactor is influenced are solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a 150A vacuum direct current contactor, including insulating casing, main contact and binding post, the shaping of insulating casing upper end has the baffle, be connected with the vacuum tube through the draw-in groove on the baffle, the welding of vacuum tube one end has the main contact, there is binding post main contact one side through threaded connection, the last nested metallic gasket that has of binding post.
Furthermore, the bottom end of the insulating shell is connected with a sealing bottom cover through a screw, and the upper end of the insulating shell is connected with an arc extinguishing chamber through a bolt.
Through adopting above-mentioned technical scheme, through insulating casing provides the outrigger, through the vacuum tube makes the contactor be in vacuum state, improves direct current contactor's arc extinguishing effect, through main contact switch-on and the disconnected major loop of branch, the great electric current of control, through metal gasket increases the area of contact of binding post and outside line terminal guarantees that the contactor wiring is stable, avoids the line terminal to drop, improves the result of use of contactor, sealed bottom can be dismantled, conveniently inspects the maintenance to the contactor, improves the practicality of contactor, through the arc extinguishing cover can extinguish rapidly the electric arc that produces when the main contact breaks reduces electric arc right the damage of main contact.
Furthermore, the other end of the vacuum tube is connected with a contact spring in a nested manner.
By adopting the technical scheme, the contact spring provides buffer protection.
Furthermore, a direct current holding coil is arranged below the partition plate, and a buffer spring is arranged in the middle of the direct current holding coil.
By adopting the technical scheme, the direct current is provided by the direct current holding coil to generate magnetic force, so that the contactor works to drive the main contact to be closed and opened.
Furthermore, the buffer spring is connected with the insulating shell through a clamping groove, and a fixing pin is formed on one side of the bottom end of the insulating shell.
Through adopting above-mentioned technical scheme, through buffer spring guarantees contactor job stabilization, through fixed foot is convenient for the fixed mounting contactor.
Furthermore, an auxiliary contact is connected to one side wall of the insulating shell through a bolt, and an insulating outer cover is connected to one side of the auxiliary contact through a bolt.
By adopting the technical scheme, the auxiliary contact is connected with the control loop, the requirements of various control modes can be met, and the auxiliary contact is protected by the insulating outer cover.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1. in order to solve the problems that the area of a connecting terminal on the existing direct current contactor is small, the connecting circuit is easy to fall off, the circuit connection is poor, and the using effect of the contactor is influenced, the utility model can increase the contact area between the connecting terminal and an external circuit terminal by arranging the connecting terminal and a metal gasket, ensure the stable wiring of the contactor, avoid the falling of the circuit terminal, and improve the using effect of the contactor;
2. for solving current direct current contactor compact structure, the inspection is inconvenient, and is difficult to the installation and dismantles, increases the maintenance degree of difficulty, reduces the problem of device's practicality, the utility model discloses a set up the sealed bottom of detachable in the insulating casing bottom, conveniently inspect the maintenance to the contactor, reduce the maintenance degree of difficulty, improve the practicality of contactor.
Drawings
Fig. 1 is a schematic structural view of a 150A vacuum dc contactor according to the present invention;
fig. 2 is a schematic structural view of a 150A vacuum dc contactor according to the present invention with the arc extinguishing chamber removed;
fig. 3 is a connection diagram of the main contact, the connection terminal and the metal gasket of the 150A vacuum dc contactor of the present invention.
The reference numerals are explained below:
1. a vacuum tube; 2. a contact spring; 3. an insulating housing; 4. an insulating housing; 5. sealing the bottom cover; 6. an auxiliary contact; 7. a fixing leg; 8. a wiring terminal; 9. a metal gasket; 10. a direct current holding coil; 11. a main contact; 12. a buffer spring; 13. a partition plate; 14. an arc extinguishing chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, a 150A vacuum dc contactor in this embodiment includes an insulating housing 3, a main contact 11 and a connection terminal 8, a partition 13 is formed at the upper end of the insulating housing 3, a vacuum tube 1 is connected to the partition 13 through a slot, the main contact 11 is welded at one end of the vacuum tube 1, the connection terminal 8 is connected to one side of the main contact 11 through a screw, a metal gasket 9 is nested on the connection terminal 8, the insulating housing 3 provides a stable support, the contactor is in a vacuum state through the vacuum tube 1, the arc extinguishing effect of the dc contactor is improved, the main circuit is connected and disconnected through the main contact 11, a larger current is controlled, the contact area between the connection terminal 8 and an external circuit terminal is increased through the metal gasket 9, the stable connection of the contactor is ensured, the circuit terminal is prevented from falling off, the using effect of the contactor is improved, a contact, the contact spring 2 provides buffer protection, the direct current holding coil 10 is arranged below the partition plate 13, the buffer spring 12 is arranged in the middle of the direct current holding coil 10, direct current is provided through the direct current holding coil 10, magnetic force is generated, the contactor works, and the main contact 11 is driven to be closed and disconnected.
As shown in fig. 1 and fig. 2, in this embodiment, the bottom end of the insulating housing 3 is connected with the sealing bottom cover 5 through a screw, the upper end of the insulating housing 3 is connected with the arc extinguishing cover 14 through a bolt, the sealing bottom cover 5 can be detached, so as to facilitate the inspection and maintenance of the contactor, improve the practicability of the contactor, rapidly extinguish the arc generated when the main contact 11 is disconnected through the arc extinguishing cover 14, and reduce the damage of the arc to the main contact 11.
As shown in fig. 1 and fig. 2, in this embodiment, the buffer spring 12 is connected to the insulating housing 3 through a clamping groove, the fixing pin 7 is formed on one side of the bottom end of the insulating housing 3, the stable operation of the contactor is ensured through the buffer spring 12, the contactor is conveniently and fixedly mounted through the fixing pin 7, the auxiliary contact 6 is connected to one side wall of the insulating housing 3 through a bolt, the insulating housing 4 is connected to one side of the auxiliary contact 6 through a bolt, the auxiliary contact 6 is connected to the control circuit, the requirements of various control modes can be met, and the auxiliary contact 6 is protected through the insulating housing 4.
The specific implementation process of this embodiment is as follows: when the contactor is used, the contact point is fixedly installed through the fixing pin 7, the main circuit is connected and disconnected through the main contact 11, larger current is controlled, the contact area between the wiring terminal 8 and an external circuit terminal is increased through the metal gasket 9, the wiring stability of the contactor is ensured, the circuit terminal is prevented from falling off, the using effect of the contactor is improved, the auxiliary contact 6 is connected with the control circuit, so that the requirements of various control modes are met, direct current is connected through the direct current holding coil 10, magnetic force is generated, the contactor works, the main contact 11 is driven to be closed and disconnected, electric arcs generated when the main contact 11 is disconnected can be rapidly extinguished through the arc extinguishing cover 14, the damage of the electric arcs to the main contact 11 is reduced, the sealing bottom cover 5 can be detached, the contactor is convenient to inspect and maintain, and the practicability of.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (6)
1. A150A vacuum direct current contactor, characterized by: including insulating casing (3), main contact (11) and binding post (8), insulating casing (3) upper end shaping has baffle (13), be connected with vacuum tube (1) through the draw-in groove on baffle (13), the welding of vacuum tube (1) one end has main contact (11), there is through threaded connection main contact (11) one side binding post (8), binding post (8) are gone up nested there are metal gasket (9).
2. A 150A vacuum dc contactor as claimed in claim 1, wherein: the bottom end of the insulating shell (3) is connected with a sealing bottom cover (5) through a screw, and the upper end of the insulating shell (3) is connected with an arc extinguishing cover (14) through a bolt.
3. A 150A vacuum dc contactor as claimed in claim 1, wherein: the other end of the vacuum tube (1) is connected with a contact spring (2) in an embedded mode.
4. A 150A vacuum dc contactor as claimed in claim 1, wherein: a direct current holding coil (10) is arranged below the partition plate (13), and a buffer spring (12) is arranged in the middle of the direct current holding coil (10).
5. A150A vacuum DC contactor according to claim 4, wherein: the buffer spring (12) is connected with the insulating shell (3) through a clamping groove, and a fixing pin (7) is formed on one side of the bottom end of the insulating shell (3).
6. A 150A vacuum dc contactor as claimed in claim 1, wherein: and an auxiliary contact (6) is connected to one side wall of the insulating shell (3) through a bolt, and an insulating outer cover (4) is connected to one side of the auxiliary contact (6) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020626483.7U CN211578637U (en) | 2020-04-23 | 2020-04-23 | 150A vacuum direct current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020626483.7U CN211578637U (en) | 2020-04-23 | 2020-04-23 | 150A vacuum direct current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211578637U true CN211578637U (en) | 2020-09-25 |
Family
ID=72527837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020626483.7U Active CN211578637U (en) | 2020-04-23 | 2020-04-23 | 150A vacuum direct current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211578637U (en) |
-
2020
- 2020-04-23 CN CN202020626483.7U patent/CN211578637U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A 150A vacuum DC contactor Effective date of registration: 20210421 Granted publication date: 20200925 Pledgee: Xiamen Jinyuan Financing Guarantee Co.,Ltd. Pledgor: Xiamen hongla Technology Co.,Ltd. Registration number: Y2021980002873 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200925 Pledgee: Xiamen Jinyuan Financing Guarantee Co.,Ltd. Pledgor: Xiamen hongla Technology Co.,Ltd. Registration number: Y2021980002873 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A 150A vacuum DC contactor Granted publication date: 20200925 Pledgee: Xiamen Jinyuan Financing Guarantee Co.,Ltd. Pledgor: Xiamen hongla Technology Co.,Ltd. Registration number: Y2024980010191 |