CN223501749U - A DC electric manual disconnect switch - Google Patents
A DC electric manual disconnect switchInfo
- Publication number
- CN223501749U CN223501749U CN202423058402.5U CN202423058402U CN223501749U CN 223501749 U CN223501749 U CN 223501749U CN 202423058402 U CN202423058402 U CN 202423058402U CN 223501749 U CN223501749 U CN 223501749U
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- China
- Prior art keywords
- contact
- mounting plate
- connecting rod
- manual
- current electric
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Abstract
The utility model discloses a direct-current electric manual isolating switch which comprises a mounting seat, a contact assembly, a mounting plate and a wiring terminal, wherein the contact assembly is mounted on the mounting seat, the mounting plate is mounted on the side wall of the mounting seat, the highest position of the mounting plate mounted on the mounting seat is lower than the highest position of the contact assembly, and the wiring terminal is mounted on the side wall of the mounting plate. The wiring terminal is arranged on the mounting seat through the mounting plate, the height of the mounting plate is limited, the traditional body part and the control part are combined together, the occupied space of the whole machine is reduced, the structure is reasonable and compact, the subsequent installation is convenient, the circuit is shortened, and the subsequent overhaul wiring is convenient.
Description
Technical Field
The utility model relates to the technical field of isolating switches, in particular to a direct-current electric and manual isolating switch.
Background
The direct current manual electric isolating switch is suitable for direct current 3600V and below, rated current 6000A and below, is used for switching off and converting circuits when a direct current loop is not under load, is mainly applied to low-voltage and medium-voltage high-current direct current power transmission and distribution systems, is used as a key electric component for switching on or switching off and isolating between a power supply and a power utilization network, is widely applied to industries such as subways, light rails, trolley buses, metallurgy, atomic energy research and test centers at home and abroad, and can also be directly matched with various large-scale direct current switch cabinets and traction box-type power distribution stations.
The direct-current manual electric isolating switch is suitable for indoor/outdoor installation in a box, a moving contact assembly of the direct-current manual electric isolating switch consists of a plurality of blades with high rebound performance, the blades and a static contact are plated with silver by adopting electrical copper surfaces, and hard silver contact rivets are riveted on the blades at the positions where the blades are in electric contact with the static contact, so that when the blades are electrically connected with the static contact, multi-point hard silver point contact is realized, the reliability of electric contact is ensured, good electric conductivity is ensured, and the long service life of the electric contact is ensured.
The direct-current manual electric isolating switch is driven by a motor and can be operated remotely, and a corresponding mechanism can be inserted into a manual crank for emergency manual operation.
But in the prior art, the manual electronic isolator of direct current includes body part and control portion, and control portion can install in the box, through circuit and body part electric connection, because two split type parts need occupy two spaces, perhaps install split type two parts in an area of using, all lead to occupation space big, have longer circuit moreover, inconvenient maintenance wiring etc..
Disclosure of utility model
The direct-current electric manual isolating switch aims at solving the problems of the existing isolating switch, and aims to provide the direct-current electric manual isolating switch, the connecting terminal is installed on the installation seat through the installation plate, the height of the installation plate is limited, the traditional body part and the control part are combined together, the occupied space of the whole switch is reduced, the structure is reasonable and compact, the follow-up installation is convenient, the circuit is shortened, and the follow-up maintenance wiring is convenient.
The specific technical scheme is as follows:
The direct current electric and manual isolating switch comprises an installing seat, a contact assembly, an installing plate and a wiring terminal, wherein the contact assembly is installed on the installing seat, the installing plate is installed on the side wall of the installing seat, the highest position of the installing plate installed on the installing seat is lower than the highest position of the contact assembly, and the wiring terminal is installed on the side wall of the installing plate.
The direct-current electric manual isolating switch is characterized in that two contactors are mounted on the side wall of the mounting seat, and the two contactors are electrically connected with the wiring terminal.
The direct current electric manual isolating switch, wherein, the contact assembly includes:
at least two insulators, the insulators are mounted on the mounting seats;
At least two upper bus bars mounted on the insulator;
at least one stationary contact mounted on one of the upper bus bars;
At least one moving contact, wherein the moving contact is rotatably arranged on the other upper busbar, and the moving contact is matched with the fixed contact;
and in a state that the moving contact and the fixed contact are not contacted, the highest position of the mounting plate is lower than the highest position of the moving contact.
The direct-current electric manual isolating switch, wherein the moving contact is operable at a first position and a second position;
when the movable contact is positioned at the first position, the movable contact is matched with the fixed contact;
When the movable contact is positioned at the second position, the movable contact is separated from the fixed contact;
The highest position of the mounting plate is lower than the highest position of the moving contact in the second position state.
The direct-current electric manual isolating switch further comprises a driving assembly, wherein the driving assembly is mounted on the side wall of the mounting seat, and the driving assembly is in transmission connection with the moving contact so that the moving contact is located at the first position or the second position.
The direct-current electric manual isolating switch comprises a driving assembly, a motor, a reduction gearbox and a connecting rod assembly, wherein the motor, the reduction gearbox and the connecting rod assembly are sequentially connected in a transmission mode, and the connecting rod assembly is connected with the moving contact in a transmission mode.
The direct-current electric manual isolating switch is characterized in that the reduction gearbox is arranged on the side wall of the mounting seat, the motor is located on the upper side of the reduction gearbox, the contactor is located on the side edge of the reduction gearbox, the mounting plate is located on the side edge of the reduction gearbox and the motor, and the wiring terminal is located on the side edge of the motor.
The direct current electric manual isolating switch, wherein, the link assembly includes:
One end of the first connecting rod is in transmission connection with the inside of the reduction gearbox;
at least two rocker arms, one end of each rocker arm is connected to the first connecting rod;
A second link connected to the other end of each of the rocker arms, the second link being parallel to the first link;
And one end of the third connecting rod is connected to the second connecting rod, and the other end of the third connecting rod is connected to the movable contact.
The direct-current electric manual isolating switch is characterized in that the cam is arranged at the other end of the first connecting rod, the micro switch is arranged on the side wall of the mounting seat, and the protruding part of the cam is matched with the micro switch.
The direct-current electric manual isolating switch is characterized in that a limiting piece is arranged on the mounting seat and is in limiting fit with the second connecting rod.
Compared with the prior art, the technical scheme has the following positive effects:
The wiring terminal is arranged on the mounting seat through the mounting plate, the height of the mounting plate is limited, the traditional body part and the control part are combined together, the occupied space of the whole machine is reduced, the structure is reasonable and compact, the subsequent installation is convenient, the circuit is shortened, and the subsequent overhaul wiring is convenient.
Drawings
FIG. 1 is a top view of a DC powered manual disconnect switch of the present utility model;
FIG. 2 is a right side view of the DC powered manual disconnect switch of the present utility model shown in FIG. 1;
FIG. 3 is a left side view of the DC powered manual disconnect switch of the present utility model shown in FIG. 1;
In the drawing, 1, a mounting seat, 2, a contact assembly, 3, a mounting plate, 4, a wiring terminal, 5, a driving assembly, 6, a contactor, 21, a contact group, 22, an insulator, 23, an upper bus bar, 24, a fixed contact, 25, a moving contact, 51, a motor, 52, a reduction gearbox, 53, a connecting rod assembly, 54, a limiting piece, 71, a first connecting rod, 72, a second connecting rod, 73, a third connecting rod, 74, a rocker arm, 81, a cam, 82 and a micro switch.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 3, a dc electric manual disconnecting switch of a preferred embodiment is shown, which comprises a mounting base 1 and a contact assembly 2, wherein the contact assembly 2 is mounted on the mounting base 1.
The direct current electric manual isolating switch further comprises a mounting plate 3 and a wiring terminal 4, wherein the mounting plate 3 is mounted on the side wall of the mounting seat 1, the highest position of the mounting plate 3 mounted on the mounting seat 1 is lower than the highest position of the contact assembly 2, and the wiring terminal 4 is mounted on the side wall of the mounting plate 3.
Preferably, the lateral width of the mounting plate 3 is smaller than the width of the mounting seat 1.
Preferably, the mounting plate 3 is fixedly connected to the mounting base 1 by a plurality of bolts.
Preferably, the mounting plate 3 is arranged vertically and longitudinally.
Preferably, the mounting plate 3 is a straight plate.
Preferably, the outer side of the connection terminal 4 does not exceed the outer side of the mounting plate 3.
Further, as a preferred embodiment, two contactors 6 are mounted on the side wall of the mounting base 1, and the two contactors 6 are electrically connected to the connection terminals 4 respectively.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
In a further embodiment of the present utility model, as shown in fig. 1, the contact assembly 2 includes at least one contact set 21, where the contact set 21 includes at least two insulators 22, at least two upper buses 23, at least one fixed contact 24, and at least one moving contact 25, the insulators 22 are mounted on the mounting base 1, the upper buses 23 are mounted on the insulators 22, the fixed contact 24 is mounted on one upper bus 23, the moving contact 25 is rotatably mounted on the other upper bus 23, and the moving contact 25 is matched with the fixed contact 24.
In a state where the moving contact 25 is not in contact with the fixed contact 24, the highest position of the mounting plate 3 is lower than the highest position of the moving contact.
The contact assembly 2 comprises a plurality of contact sets 21, the plurality of contact sets 21 being arranged side by side.
In a further embodiment of the utility model, the movable contact 25 is operable in a first position and a second position;
when the movable contact 25 is in the first position, the movable contact 25 is matched with the fixed contact 24;
when the movable contact 25 is in the second position, the movable contact 25 is disengaged from the fixed contact 24;
the highest position of the mounting plate 3 is lower than the highest position of the movable contact 25 in the second position state.
In a further embodiment of the utility model, the direct current electric manual isolating switch further comprises a driving component 5, wherein the driving component 5 is arranged on the side wall of the mounting seat 1, and the driving component 5 is in transmission connection with the moving contact 25 so as to enable the moving contact 25 to be in a first position or a second position.
In a further embodiment of the utility model, the driving assembly 5 comprises a motor 51, a reduction gearbox 52 and a connecting rod assembly 53 which are connected in a transmission way, and the connecting rod assembly 53 is connected with the moving contact 25 in a transmission way.
In a further embodiment of the utility model, the reduction gearbox 52 is mounted on the side wall of the mounting seat 1, the motor 51 is positioned on the upper side of the reduction gearbox 52, the two contactors 6 are positioned on two sides of the reduction gearbox 52, the mounting plate 3 is positioned on the sides of the reduction gearbox 52 and the motor 51, and the wiring terminal 4 is positioned on the side of the motor 51.
Preferably, the mounting plate 3 is located on one of the contactors 6, and the connection terminal 4 is located above one of the contactors 6.
Further, since the sum of the thickness of the connection terminal 4 plus the thickness of the mounting plate 3 is smaller than the thickness of the motor 51, it is achieved that the mounting plate 3 and the connection terminal 4 do not protrude outside the whole machine from the thickness direction.
Preferably, when the contact assembly 2 includes a plurality of contact sets 21, one link assembly 53 is drivingly connected to a plurality of moving contacts 25, respectively.
In a further embodiment of the utility model, the link assembly 53 comprises a first link 71, at least two rocker arms 74, a second link 72 and at least one third link 73, one end of the first link 71 is in driving connection with the reduction gearbox 52, one end of each rocker arm 74 is connected to the first link 71, the second link 72 is connected to the other end of each rocker arm 74, the second link 72 is parallel to the first link 71, one end of the third link 73 is connected to the second link 72, and the other end of the third link 73 is connected to the moving contact 25.
Preferably, when the contact assembly 2 includes a plurality of contact sets 21, the plurality of third links 73 are respectively in driving connection with the plurality of moving contacts 25.
In a further embodiment of the present utility model, a cam 81 is mounted on the other end of the first link 71, a micro switch 82 is mounted on the side wall of the mount 1, and a convex portion of the cam 81 is engaged with the micro switch 82.
Preferably, the micro switch 82 is used for detecting whether a circuit is closed, the cam 81 rotates and abuts against the micro switch 82, when the output shaft of the reduction gearbox 52 rotates to drive the first connecting rod 71 to rotate in use, the output shaft of the reduction gearbox 52 synchronously drives the micro switch 82 to rotate, when the output shaft of the reduction gearbox 52 rotates until the movable contact 25 is completely connected with the fixed contact 24, the cam 81 abuts against the micro switch 82, the micro switch 82 sends an electric signal to external PLC equipment, the external PLC equipment processes the electric signal and outputs the electric signal to the external display equipment to display whether the circuit is on or not, and a worker can judge the condition of the circuit on.
In a further embodiment of the present utility model, the mounting base 1 is provided with the limiting member 54, and the limiting member 54 is in limiting fit with the second connecting rod 72, so as to limit the moving range of the moving contact 25 by limiting the moving range of the second connecting rod 72.
According to the utility model, the wiring terminal 4 is arranged on the mounting seat 1 through the mounting plate 3, the height of the mounting plate 3 is limited, the traditional body part and the control part are combined together, the occupied space of the whole machine is reduced, the structure is reasonable and compact, the subsequent installation is convenient, the circuit is shortened, and the subsequent overhaul wiring is convenient.
Because the outside of mounting panel 3 does not exceed the width and the height of complete machine, consequently reduced the accommodation space of complete machine to reduce occupation space, through mounting panel installation binding post, shorten the distance between binding post 4 and contactor 6 and motor 51 and micro-gap switch 82, shorten the circuit, thereby make things convenient for follow-up maintenance wiring.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. A dc powered manual disconnect switch comprising: the contact assembly is arranged on the mounting seat and is characterized by further comprising a mounting plate and a wiring terminal, wherein the mounting plate is arranged on the side wall of the mounting seat, the highest position of the mounting plate arranged on the mounting seat is lower than the highest position of the contact assembly, and the wiring terminal is arranged on the side wall of the mounting plate.
2. The direct current electric-manual disconnecting switch according to claim 1, wherein two contactors are mounted on the side wall of the mounting base, and the two contactors are electrically connected with the wiring terminal.
3. The direct current electric-manual disconnector according to claim 2, characterized in that said contact assembly comprises:
at least two insulators, the insulators are mounted on the mounting seats;
At least two upper bus bars mounted on the insulator;
at least one stationary contact mounted on one of the upper bus bars;
At least one moving contact, wherein the moving contact is rotatably arranged on the other upper busbar, and the moving contact is matched with the fixed contact;
and in a state that the moving contact and the fixed contact are not contacted, the highest position of the mounting plate is lower than the highest position of the moving contact.
4. A dc powered manual disconnect switch as defined in claim 3, wherein said movable contact is operable in a first position and a second position;
when the movable contact is positioned at the first position, the movable contact is matched with the fixed contact;
When the movable contact is positioned at the second position, the movable contact is separated from the fixed contact;
The highest position of the mounting plate is lower than the highest position of the moving contact in the second position state.
5. The direct current electric-manual disconnecting switch of claim 4 further comprising a drive assembly mounted on a side wall of said mounting base, said drive assembly in driving connection with said moving contact to place said moving contact in said first position or said second position.
6. The direct current electric and manual disconnecting switch according to claim 5, wherein the driving assembly comprises a motor, a reduction gearbox and a connecting rod assembly which are in transmission connection in sequence, and the connecting rod assembly is in transmission connection with the moving contact.
7. The direct current electric and manual disconnecting switch according to claim 6, wherein the reduction gearbox is mounted on the side wall of the mounting base, the motor is located on the upper side of the reduction gearbox, the contactor is located on the side edge of the reduction gearbox, the mounting plate is located on the side edges of the reduction gearbox and the motor, and the wiring terminal is located on the side edge of the motor.
8. The direct current electric-manual disconnector according to claim 6, characterized in that said link assembly comprises:
One end of the first connecting rod is in transmission connection with the inside of the reduction gearbox;
at least two rocker arms, one end of each rocker arm is connected to the first connecting rod;
A second link connected to the other end of each of the rocker arms, the second link being parallel to the first link;
And one end of the third connecting rod is connected to the second connecting rod, and the other end of the third connecting rod is connected to the movable contact.
9. The direct current electric-manual disconnecting switch according to claim 8, wherein a cam is mounted on the other end of the first connecting rod, a micro switch is mounted on the side wall of the mounting seat, and a protruding portion of the cam is matched with the micro switch.
10. The direct current electric-manual disconnecting switch according to claim 8, wherein a limiting piece is installed on the installation seat and is in limiting fit with the second connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423058402.5U CN223501749U (en) | 2024-12-11 | 2024-12-11 | A DC electric manual disconnect switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423058402.5U CN223501749U (en) | 2024-12-11 | 2024-12-11 | A DC electric manual disconnect switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223501749U true CN223501749U (en) | 2025-10-31 |
Family
ID=97481878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423058402.5U Active CN223501749U (en) | 2024-12-11 | 2024-12-11 | A DC electric manual disconnect switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223501749U (en) |
-
2024
- 2024-12-11 CN CN202423058402.5U patent/CN223501749U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |