CN216648094U - Large-current line selection device - Google Patents
Large-current line selection device Download PDFInfo
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- CN216648094U CN216648094U CN202220163870.0U CN202220163870U CN216648094U CN 216648094 U CN216648094 U CN 216648094U CN 202220163870 U CN202220163870 U CN 202220163870U CN 216648094 U CN216648094 U CN 216648094U
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Abstract
The utility model discloses a high-current line selection device, and particularly relates to the technical field of anti-interference electric equipment. The utility model aims at the problem that when the magnetic control element is in system power failure, direct current voltage is automatically output to maintain the continuous attraction of the contact, and the trouble and serious economic loss caused by the power failure problem of the system power supply can be thoroughly solved.
Description
Technical Field
The utility model relates to the technical field of anti-interference electricity equipment, in particular to a high-current line selection device.
Background
In an electric power system, an anti-interference electricity device is commonly used for maintaining voltage stability, and is a common device, and interference electricity, that is, the phenomenon that voltage is temporarily reduced and the voltage is reduced and then rises in a short time, is called interference electricity.
In the connection process of a large-current circuit, the interference phenomenon affects the stability of the circuit, so that equipment in the circuit is easy to damage, the circuit is difficult to select, and serious economic loss is caused to users.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a high-current line selection device which comprises a busbar, wherein a contact connecting piece which is adjusted in a telescopic mode is mounted on the busbar, the top end of the contact connecting piece is connected with a pull rod connecting piece which is adjusted in a telescopic mode, an adjustable switching-on and switching-off mechanism is arranged at the top end of the pull rod connecting piece, the pull rod connecting piece is adjusted in a telescopic mode through adjusting the switching-on and switching-off mechanism, and the switching-on and switching-off mechanism is connected with a switching-on and switching-off control piece which is used for controlling the switching-on and switching-off mechanism and is used for controlling the working state of the switching-on and switching-off mechanism.
In a preferred embodiment, the contact connecting member includes a porcelain bushing which is retractable on a busbar and a static contact which is arranged inside the porcelain bushing, a movable contact which can be lifted is arranged above the static contact, a retractable corrugated pipe is connected between the outer wall of the movable contact and the edge of the top end of the porcelain bushing, and a vacuum arc extinguish chamber is arranged in a space between the inner wall of the porcelain bushing and the corrugated pipe as well as between the movable contact and the static contact.
In a preferred embodiment, the pull rod connecting piece is installed at the top end of the movable contact, the pull rod connecting piece comprises a first pull rod inserted at the top end of the movable contact and a second pull rod connected with the closing and opening mechanism, and a pull rod insulator is connected between the first pull rod and the second pull rod.
In a preferred embodiment, the switching-on/switching-off mechanism comprises an armature and an eddy current disc, the armature and the eddy current disc are sleeved outside the second pull rod, the eddy current disc is arranged above the armature, a fixed switching-on maintaining permanent magnet is arranged between the armature and the pull rod insulator, a fixed switching-off maintaining permanent magnet is arranged above the armature, a fixed switching-off coil is arranged below the eddy current disc, a fixed switching-on coil is arranged above the eddy current disc, and the switching-off maintaining permanent magnet is located below the switching-off coil.
In a preferred embodiment, the closing and opening control element includes an opening energy storage capacitor connected to the opening coil and a closing energy storage capacitor connected to the closing coil, an opening control switch is disposed on a connection line between the opening coil and the opening energy storage capacitor, and a closing control switch is disposed on a connection line between the closing coil and the closing energy storage capacitor.
In a preferred embodiment, the switching-off energy storage capacitor and the switching-on energy storage capacitor are both connected with a charging power supply.
The utility model has the technical effects and advantages that:
1. aiming at the problem that when the system power is in a blackout state, the magnetic control element automatically outputs direct current voltage to maintain the continuous attraction of the contact, the trouble and the serious economic loss caused by the blackout problem of the system power supply can be thoroughly solved.
2. The utility model has the advantages of few mechanical parts, easy installation and maintenance, low failure rate, vertical action mechanism, high transmission efficiency, high opening and closing speed and high opening and closing capacity.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Description of reference numerals: the device comprises a busbar 1, a porcelain bushing 2, a static contact 3, a moving contact 4, a corrugated pipe 5, a vacuum arc-extinguishing chamber 6, a first pull rod 7, a second pull rod 8, a pull rod insulator 9, an armature 10, an eddy current plate 11, a closing holding permanent magnet 12, a closing holding permanent magnet 13, a closing coil 14, a closing coil 15, a closing energy-storage capacitor 16, a closing energy-storage capacitor 17, a closing control switch 18, a closing control switch 19 and a charging power supply 20.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
The high-current line selection device shown in fig. 1 comprises a busbar 1, wherein a contact connecting piece which is adjusted in a telescopic manner is mounted on the busbar 1, the top end of the contact connecting piece is connected with a pull rod connecting piece which is adjusted in a telescopic manner, an adjustable switching-on/switching-off mechanism is arranged at the top end of the pull rod connecting piece, the pull rod connecting piece is adjusted in a telescopic manner by adjusting the switching-on/switching-off mechanism, and the switching-on/switching-off mechanism is connected with a switching-on/switching-off control piece which is used for controlling the switching-on/switching-off mechanism and is used for controlling the working state of the switching-on/switching-off mechanism;
on the basis, the working state of the switching-on and switching-off mechanism is controlled by the switching-on and switching-off control piece, and the pull rod connecting piece is driven to stretch and adjust, so that the state of the touch connecting piece is changed.
The contact connecting piece comprises a telescopic porcelain bushing 2 arranged on a busbar 1 and a static contact 3 arranged inside the porcelain bushing 2, a movable contact 4 capable of ascending and descending is arranged above the static contact 3, a telescopic corrugated pipe 5 is connected between the outer wall of the movable contact 4 and the edge of the top end of the porcelain bushing 2, and a vacuum arc extinguish chamber 6 is arranged in a space between the inner wall of the porcelain bushing 2 and the corrugated pipe 5 as well as between the movable contact 4 and the static contact 3;
furthermore, the fixed contact 3 is connected with the busbar 1 through a line, the other end of the movable contact 4 is also connected with an external electrical component through a line, when the movable contact 4 is in contact with the fixed contact 3, the whole line is smooth, normal power supply is recovered, and when the movable contact 4 is separated from the fixed contact 3, the line is disconnected, and the power supply is disconnected.
Further, the static contact 3 is fixedly arranged inside the porcelain sleeve 2, the top end of the porcelain sleeve 2 is sealed, and a vacuum arc extinguish chamber 6 formed inside the porcelain sleeve can play a role in protection.
The pull rod connecting piece is arranged at the top end of the movable contact 4 and comprises a first pull rod 7 inserted at the top end of the movable contact 4 and a second pull rod 8 connected with the switching-on and switching-off mechanism, and a pull rod insulator 9 is connected between the first pull rod 7 and the second pull rod 8;
the pull rod insulator 9 between the first pull rod 7 and the second pull rod 8 can play a role in insulation protection, reduce circuit faults caused by static electricity or short circuit phenomena, and drive the contact 4 connecting piece through the pull rod connecting piece to change the contact state between the contacts, so that the adjustment of a circuit is realized.
The switching-on/switching-off mechanism comprises an armature 10 and an eddy current disc 11 which are sleeved outside the second pull rod 8, the eddy current disc 11 is arranged above the armature 10, a fixed switching-on maintaining permanent magnet 12 is arranged between the armature 10 and the pull rod insulator 9, a fixed switching-off maintaining permanent magnet 13 is arranged above the armature 10, a fixed switching-off coil 14 is arranged below the eddy current disc 11, a fixed switching-on coil 15 is arranged above the eddy current disc, and the switching-off maintaining permanent magnet 13 is positioned below the switching-off coil 14;
on the basis, when current is introduced into the closing coil 15 to generate a strong magnetic field, the strong magnetic field is induced on the vortex disc 11, the second pull rod 8 and the armature 10 are pushed to move towards the closing keeping permanent magnet 12 by using the reaction force between the strong magnetic fields, the closing keeping permanent magnet 12 can adsorb the armature 10, and the moving of the second pull rod 8 can drive the moving contact 4 to contact with the static contact 3, so that the circuit is smooth;
when current is introduced into the opening coil 14 to generate a strong magnetic field, the eddy current disc 11 is induced to generate a strong magnetic field in a direction different from the direction of the current of the closing coil 15, the second pull rod 8 and the armature 10 are pushed to move towards the opening holding permanent magnet 13 by using the reaction force between the strong magnetic fields, the opening holding permanent magnet 13 can adsorb the armature 10, and the movement of the second pull rod 8 can drive the movable contact 4 to be separated from the fixed contact 3, so that the circuit is disconnected.
The switching-on and switching-off control part comprises a switching-off energy storage capacitor 16 connected with a switching-off coil 14 and a switching-on energy storage capacitor 17 connected with a switching-on coil 15, a switching-off control switch 18 is arranged on a connecting line of the switching-off coil 14 and the switching-on energy storage capacitor 16, and a switching-on control switch 19 is arranged on a connecting line of the switching-on coil and the switching-on energy storage capacitor 17;
further, the above control is performed by providing control switches on the opening coil 14 and the closing coil 15, and the control of the opening coil 14 and the closing coil 15 is performed by a separate control switch.
And the opening energy storage capacitor 16 and the closing energy storage capacitor 17 are both connected with a charging power supply 20.
On the basis, when the system power supply is in a power failure state, the magnetic control element automatically outputs direct current voltage to maintain the continuous attraction of the contact, so that the trouble and serious economic loss caused by the power supply power failure problem of the system can be thoroughly solved.
It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (6)
1. The utility model provides a heavy current route selection device, its characterized in that, is female arranging, female arranging is last to install the contact connecting piece of flexible regulation, contact connecting piece top is connected with the telescopic pull rod connecting piece of adjusting the top of pull rod connecting piece is provided with adjustable combined floodgate separating brake mechanism, carries out flexible regulation to the pull rod connecting piece through adjusting combined floodgate separating brake mechanism, combined floodgate separating brake mechanism is connected with the combined floodgate separating brake control piece that is used for controlling it for the operating condition of control combined floodgate separating brake mechanism.
2. A high current line selection device according to claim 1, wherein: the contact connecting piece comprises a telescopic porcelain bushing and a static contact, wherein the telescopic porcelain bushing is arranged on a busbar, the static contact is arranged inside the porcelain bushing, a movable contact capable of lifting is arranged above the static contact, a telescopic corrugated pipe is connected to the outer wall of the movable contact and the edge of the top end of the porcelain bushing, and a vacuum arc extinguish chamber is arranged in a space between the inner wall of the porcelain bushing and the corrugated pipe as well as between the movable contact and the static contact.
3. A high current line selection device according to claim 2, wherein: the pull rod connecting piece is installed on the top end of the moving contact and comprises a first pull rod inserted on the top end of the moving contact and a second pull rod connected with the closing and opening mechanism, and a pull rod insulator is connected between the first pull rod and the second pull rod.
4. A high current line selection device according to claim 3, wherein: the switching-on and switching-off mechanism comprises an armature and an eddy current disc, the armature and the eddy current disc are sleeved outside the second pull rod, the eddy current disc is arranged above the armature, a fixed switching-on maintaining permanent magnet is arranged between the armature and a pull rod insulator, a fixed switching-off maintaining permanent magnet is arranged above the armature, a fixed switching-off coil is arranged below the eddy current disc, a fixed switching-on coil is arranged above the eddy current coil, and the switching-off maintaining permanent magnet is located below the switching-off coil.
5. A high-current line selection device according to claim 4, wherein: the switching-on and switching-off control part comprises a switching-off energy storage capacitor connected with a switching-off coil and a switching-on energy storage capacitor connected with a switching-on coil, a switching-off control switch is arranged on a connecting line of the switching-off coil and the switching-off energy storage capacitor, and a switching-on control switch is arranged on a connecting line of the switching-on coil and the switching-on energy storage capacitor.
6. A high-current line selection device according to claim 5, wherein: and the opening energy storage capacitor and the closing energy storage capacitor are both connected with a charging power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220163870.0U CN216648094U (en) | 2022-01-21 | 2022-01-21 | Large-current line selection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220163870.0U CN216648094U (en) | 2022-01-21 | 2022-01-21 | Large-current line selection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216648094U true CN216648094U (en) | 2022-05-31 |
Family
ID=81728799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220163870.0U Active CN216648094U (en) | 2022-01-21 | 2022-01-21 | Large-current line selection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216648094U (en) |
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2022
- 2022-01-21 CN CN202220163870.0U patent/CN216648094U/en active Active
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