CN210006678U - 500A magnetic latching contactor for network energy sources - Google Patents
500A magnetic latching contactor for network energy sources Download PDFInfo
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- CN210006678U CN210006678U CN201921226026.2U CN201921226026U CN210006678U CN 210006678 U CN210006678 U CN 210006678U CN 201921226026 U CN201921226026 U CN 201921226026U CN 210006678 U CN210006678 U CN 210006678U
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- contact
- movable contact
- contact piece
- network energy
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Abstract
The utility model provides an kinds of 500A magnetism keep contactor for network energy, including the shell, contact subassembly and drive assembly are installed respectively to both ends about in the shell, the utility model discloses can regard as the magnetism keep contactor in the network energy, the reliability is high, small, load capacity and electric life number of times are high and provide due power for the development of the network energy.
Description
Technical Field
The utility model relates to a 500A magnetism keeps contactor for kinds of network energy.
Background
At present, the development of network energy is greatly developed. In China, the proportion of the Huashi, the Zhongxing and the power source is large. Due to the high demand of network energy, the technical content is relatively outstanding. In network energy, a power supply control system is the core of the network energy, and the core of the power supply control system is a power supply main switch which needs to meet high requirements. Firstly, the reliability requirement is met, namely reliable connection and disconnection can be carried out; secondly, the requirement that the appearance volume is small enough is met, because the power supply control system for network energy is very compact and has small space; finally, a sufficient number of electrical lifetimes and a large load are to be met.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an kinds of 500A magnetism keep contactor for the network energy.
The utility model discloses a following technical scheme can realize.
The utility model provides a 500A magnetic latching contactor for kinds of network energy, which comprises a shell, wherein the upper end and the lower end in the shell are respectively provided with a contact component and a driving component;
the contact column, the movable contact spring and the push rod are arranged in the shell;
the driving assembly pushes the movable contact piece to be in contact with the contact column through magnetic force and keeps the movable contact piece to be in contact with and separated from the contact column through the magnetic force;
the movable contact piece is provided with a buffer device for buffering the impact force between the contact column and the movable contact piece;
and the contact assembly is provided with a guide device of the movable contact piece.
The inner wall of the upper end of the contact assembly is provided with a plurality of guide grooves, and the guide grooves are matched with the side grooves of the movable contact piece to always limit the displacement of the movable contact piece to be close to the contact column or far away from the contact column.
The driving assembly comprises two groups of coils, the coils are arranged at the upper part and the lower part of the inner wall of the lower end of the shell, armatures are arranged in the centers of the two coils, the upper ends of the armatures are fixedly connected with push rods, and the other ends of the push rods are arranged in the central holes of the movable contact pieces.
And a magnet is arranged between the two coils and is arranged on the inner wall of the shell, and an armature always positioned in the center of the inner wall of the shell provides attraction.
The lower end of the movable contact piece is provided with a contact spring, the upper end of the contact spring supports the movable contact piece, and the lower end of the contact spring is supported by a step on the push rod.
The lower extreme of shell still installs the yoke subassembly, and the yoke subassembly surrounds the whole that coil and magnet formed in the shell, is provided with the sliding hole of push rod on the yoke subassembly and installs the uide bushing in the hole.
The upper end of the movable contact piece is connected with the wiring terminal, and a nut of the wiring terminal is arranged outside the shell.
A sleeve is further installed between the central hole of the movable contact piece and the push rod, a step is arranged at the upper end of the movable contact piece of the sleeve, and the lower end face of the step is in contact with the upper end face of the movable contact piece.
The beneficial effects of the utility model reside in that: the magnetic latching contactor can be used as a magnetic latching contactor in network energy, and has the advantages of high reliability, small size, high load capacity and high electricity service life times, so that due power is provided for the development of the network energy.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-housing, 2-contact assembly, 21-contact column, 22-movable contact, 23-gasket, 24-contact spring, 25-guide groove, 26-binding post, 27-sleeve, 3-drive assembly, 31-coil, 32-yoke assembly, 33-magnet, 34-armature, 35-push rod.
Detailed Description
The following illustrates the present invention, but the scope of the invention is not limited thereto.
500A magnetic latching contactor for network energy comprises a shell 1, wherein the upper end and the lower end in the shell 1 are respectively provided with a contact component 2 and a driving component 3;
the contact column 21, the movable contact 22 and the push rod 35 are included in the shell 1;
the driving component 3 pushes the movable contact piece 22 to contact with the contact column 21 by magnetic force and keeps the movable contact piece 22 in contact with and separated from the contact column 21 by magnetic force;
the moving contact piece 22 is provided with a buffer device for buffering the impact force between the contact column 21 and the moving contact piece 22;
the contact assembly 2 is provided with a guide for the movable contact 22.
The inner wall of the upper end of the contact assembly 2 is provided with a plurality of guide grooves 25, and the guide grooves 25 are matched with the side grooves of the movable contact piece 22 to always limit the displacement of the movable contact piece 22 to be close to the contact column 21 or far away from the contact column 21.
The driving assembly 3 comprises two groups of coils 31, the coils 31 are arranged at the upper and lower positions of the inner wall of the lower end of the shell 1, armatures 34 are arranged in the centers of the two coils 31, the upper ends of the armatures 34 are fixedly connected with push rods 35, and the other ends of the push rods 35 are arranged in the central holes of the movable contact pieces 22.
Between the two coils 31 there is also a magnet 33 mounted on the inner wall of the housing 1, an armature 34 always in its centre providing the attraction force.
The lower end of the movable contact piece 22 is provided with a contact spring 24, the upper end of the contact spring 24 supports the movable contact piece 22, and the lower end of the contact spring 24 is supported by a step on the push rod 35.
The lower end of the shell 1 is also provided with a yoke assembly 32, the yoke assembly 32 surrounds the whole formed by the coil 31 and the magnet 33 in the shell 1, the yoke assembly 32 is provided with a sliding hole of the push rod 35, and a guide sleeve is arranged in the sliding hole.
The upper end of the movable contact piece 22 is connected with a binding post 26, and a nut of the binding post 26 is arranged outside the shell 1.
A sleeve 27 is also arranged between the central hole of the movable contact piece 22 and the push rod 35, the sleeve 27 is provided with a step at the upper end of the movable contact piece 22, and the lower end surface of the step is contacted with the upper end surface of the movable contact piece 22.
The iron yoke assembly, the core rod assembly, the magnetic steel and the bottom plate assembly form an electromagnetic system together, the core rod assembly bowl-shaped washer, the contact spring, the contact bush adjusting washer, the split pin, the seat plate, the contact column assembly and the movable contact plate assembly form a contact system together, and the contactor bottom, the outer cover and the coil end lead-out wire harness assembly form a complete product together.
A wire harness led out from a coil of the contactor is connected with a power supply in a red line mode and a power supply in a black line mode, the power supply is disconnected after the contactor is connected for 500 ms-1 s, the contact column assembly and the movable contact sheet assembly are closed, a load is connected, and at the moment, a magnetic field generated by permanent magnetic steel in the middle of the coil keeps the contact column assembly and the movable contact sheet assembly in a closed state; a wire harness led out from a coil of the contactor is connected with a power supply in a red line mode, a power supply in a black line mode is connected with a power supply in a plus mode, the power supply is disconnected after the contactor is connected for 500 ms-1 s, the contact column assembly and the movable contact sheet assembly are disconnected, the load is disconnected, and at the moment, the contact column assembly and the movable contact sheet assembly are kept in a disconnected state by a magnetic field generated by permanent magnetic steel in the middle of the coil; the volume of the contactor meets 1U, because in the Hua 5G communication base station, the reserved space for installing the contactor therein is extremely small due to the fact that the power supply system module therein is very small, and the volume of the contactor is required to be smaller than 1U; the appearance volume is small enough, the temperature rise of the main contact of the contactor is less than or equal to 60 ℃, because in the 5G communication base station, the temperature rise of the main contact is required to be less than or equal to 60 ℃ when the contactor normally works due to small space and poor heat dissipation condition, otherwise the performance of the whole power supply system is influenced; the load capacity of the contactor is 500A multiplied by 48V DC, the maximum on-off voltage of the load is 60V DC, and the number of times of the electric service life is more than or equal to 10000.
The 500A magnetic latching contactor for the network energy source is excited by using pulses, namely the 500A magnetic latching contactor can act by giving pulses of 10-20 ms, and the acting time is less than or equal to 10 ms; the 500A magnetic latching contactor for the network energy has the appearance volume thickness of 38mm and the volume is small enough to completely meet the requirement that the volume in a power control system for the network energy is smaller than 44 mm; the 500A magnetic latching contactor for the network energy has a rated load of 500A × 48V DC, the maximum rated load can reach 500A × 60V DC, and the number of electric service life is more than or equal to 10000. By combining the above, the 500A magnetic latching contactor for the network energy completely meets the requirements of the network energy system developed at present.
When the contactor control end is pulsed for forward (10-20) ms, the driving assembly works and completes load connection with the seat plate assembly together, the contactor control end does not need to keep on the pulse load directly, when the contactor control end is pulsed for backward (10-20) ms, the driving assembly works and completes load disconnection with the seat plate assembly together, and the contactor control end does not need to keep off the pulse load directly.
Claims (9)
- The 500A magnetic latching contactor for network energy sources comprises a shell (1) and is characterized in that a contact component (2) and a driving component (3) are respectively installed at the upper end and the lower end in the shell (1);the contact column (21), the movable contact piece (22) and the push rod (35) are included in the shell (1);the driving assembly (3) pushes the movable contact piece (22) to be in contact with the contact column (21) through magnetic force and keeps the movable contact piece (22) in contact with and separated from the contact column (21) through the magnetic force;the moving contact piece (22) is provided with a buffer device for buffering the impact force between the contact column (21) and the moving contact piece (22);the contact assembly (2) is provided with a guide device of the movable contact piece (22).
- 2. The 500A magnetic latching contactor for network energy according to claim 1, wherein: a plurality of guide grooves (25) are processed on the inner wall of the upper end of the contact assembly (2), and the guide grooves (25) are matched with side grooves of the movable contact piece (22) to always limit the displacement of the movable contact piece (22) to be close to the contact column (21) or far away from the contact column (21).
- 3. The 500A magnetic latching contactor for network energy according to claim 1, wherein the driving assembly (3) comprises two groups of coils (31), the coils (31) are installed at the upper and lower positions of the inner wall of the lower end of the housing (1), the armatures (34) are installed in the centers of the two coils (31), the upper ends of the armatures (34) are fixedly connected with push rods (35), and the other ends of the push rods (35) are installed in the central holes of the movable contact pieces (22).
- 4. A 500A magnetic latching contactor for network energy according to claim 3, wherein: and a magnet (33) is arranged between the two coils (31) and is arranged on the inner wall of the shell (1), and an armature (34) which is always positioned at the center of the inner wall of the shell provides attraction.
- 5. The 500A magnetic latching contactor for network energy according to claim 1, wherein: the lower end of the movable contact piece (22) is provided with a contact spring (24), the upper end of the contact spring (24) supports the movable contact piece (22), and the lower end of the contact spring (24) is supported by a step on the push rod (35).
- 6. A500A magnetic latching contactor for network energy according to claim 5 wherein washers (23) are respectively arranged at two ends of said contact spring (24) and are respectively contacted with the moving contact (22) and the step on the push rod (35) through the washers (23).
- 7. The 500A magnetic latching contactor for network energy according to claim 1, wherein: the lower end of the shell (1) is further provided with a yoke assembly (32), the yoke assembly (32) surrounds the whole formed by the coil (31) and the magnet (33) in the shell (1), the yoke assembly (32) is provided with a sliding hole of the push rod (35), and a guide sleeve is arranged in the sliding hole.
- 8. The 500A magnetic latching contactor for network energy according to claim 1, wherein: the upper end of the movable contact piece (22) is connected with a binding post (26), and a screw cap of the binding post (26) is arranged outside the shell (1).
- 9. The 500A magnetic latching contactor for network energy according to claim 1, wherein: a sleeve (27) is further installed between the central hole of the movable contact piece (22) and the push rod (35), a step is arranged at the upper end of the movable contact piece (22) of the sleeve (27), and the lower end face of the step is in contact with the upper end face of the movable contact piece (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226026.2U CN210006678U (en) | 2019-07-31 | 2019-07-31 | 500A magnetic latching contactor for network energy sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226026.2U CN210006678U (en) | 2019-07-31 | 2019-07-31 | 500A magnetic latching contactor for network energy sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210006678U true CN210006678U (en) | 2020-01-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921226026.2U Active CN210006678U (en) | 2019-07-31 | 2019-07-31 | 500A magnetic latching contactor for network energy sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210006678U (en) |
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2019
- 2019-07-31 CN CN201921226026.2U patent/CN210006678U/en active Active
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