CN221125793U - Single pole double throw isolating switch - Google Patents
Single pole double throw isolating switch Download PDFInfo
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- CN221125793U CN221125793U CN202323095170.6U CN202323095170U CN221125793U CN 221125793 U CN221125793 U CN 221125793U CN 202323095170 U CN202323095170 U CN 202323095170U CN 221125793 U CN221125793 U CN 221125793U
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- 239000012212 insulator Substances 0.000 claims description 30
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a single-pole double-throw isolating switch, which comprises: the switch comprises a switch chassis, an insulating device, a conductive device and an electric interlocking device; the two groups of insulating devices are respectively arranged at two ends of the switch underframe along the width direction; the two groups of conductive devices are respectively arranged on the two groups of insulating devices; the electric interlocking device is connected with the two groups of insulating devices, and is used for driving the insulating devices to move along the vertical direction so that the two contact knives on the same side of the two groups of conductive devices along the length direction are simultaneously contacted with or separated from the wiring contact; when two contact blades of one side of the two groups of conductive devices along the length direction are simultaneously contacted with the wiring contact, the two contact blades of the other side are simultaneously separated from the wiring contact. In the embodiment, four single-pole single-throw switches are combined into one switch, so that the installation space is reduced, the operation flow is simplified, and a plurality of tasks can be completed simultaneously only by one operation mechanism due to the linkage relation among the four contact knives; and meanwhile, the production cost and the user installation and operation cost are reduced.
Description
Technical Field
The utility model relates to the field of high-voltage equipment, in particular to a single-pole double-throw isolating switch.
Background
The single pole double throw switch consists of a movable end and a stationary end, wherein the movable end is a so-called "knife" which is to be connected with the incoming line of a power supply, namely the incoming line end, and is generally the end connected with the handle of the switch; the other two ends are the two ends of the power supply output, namely the so-called stationary ends, which are connected with the electric equipment. The power supply can be controlled to output in two different directions, namely can be used for controlling two devices, or can also be used for controlling the same device to switch the running direction. Currently, two single pole single throw switches are used to switch when the control circuit is in use. However, by adopting two single-pole single-throw switch control circuit states, the required switch installation site is large, and the workload of operators is increased.
Disclosure of utility model
The utility model mainly aims to provide a single-pole double-throw isolating switch, which at least solves the problems that in the prior art, two single-pole double-throw switches are adopted, so that the workload is increased, and the installation place is large.
In order to achieve the above object, the present utility model provides a single pole double throw isolating switch comprising: the switch comprises a switch chassis, an insulating device, a conductive device and an electric interlocking device; the switch underframe is a rectangular frame; the two groups of insulating devices are respectively arranged at two ends of the switch underframe along the width direction; the two groups of conductive devices are respectively arranged on the two groups of insulating devices, and each group of conductive devices is alternately provided with three wiring contacts and two contact knives along the length direction; the electric interlocking device is connected with the two groups of insulating devices, and is used for driving the insulating devices to move along the vertical direction so that the two contact knives on the same side of the two groups of conductive devices along the length direction are simultaneously contacted with or separated from the wiring contact; when two contact blades of one side of the two groups of conductive devices along the length direction are simultaneously contacted with the wiring contact, the two contact blades of the other side are simultaneously separated from the wiring contact; when two contact blades of two groups of conductive devices are separated from the wiring contact along one side of the length direction, two contact blades of the other side are contacted with the wiring contact at the same time.
Further, each set of insulation means comprises: post insulator and pull rod insulator; the three post insulators are arranged, one ends of the three post insulators in the height direction are respectively arranged below the three wiring contacts, and the other ends of the three post insulators in the height direction are connected with the switch underframe; the two pull rod insulators are arranged, and one ends of the two pull rod insulators in the height direction are respectively arranged below the two contact knives.
Further, the three wiring contacts of each group of conductive devices are a first fixed contact, an incoming line contact and a second fixed contact.
Further, two contact blades of each group of conductive devices are a first contact blade and a second contact blade, one end of the first contact blade is connected with the incoming line contact, and the other end of the first contact blade is abutted with the first fixed contact; one end of the second contact knife is connected with the wire inlet contact, and the other end of the second contact knife is abutted with the second fixed contact; the first contact knife can axially move along the incoming line contact when the insulating device moves along the vertical direction; the second contact blade can move axially along the incoming line contact when the insulating device moves in the vertical direction.
Further, the electric interlock device includes: a spindle, a connecting rod, an interlocking device and a motor; the two main shafts are penetrated through the switch underframe at intervals along the length direction of the switch underframe; four connecting rods are respectively connected with the other ends of the four pull rod insulators along the height direction; the interlocking device is arranged at the same end of the two main shafts along the length direction and is used for simultaneously rotating the two main shafts; the motor is connected with one of the main shafts to drive the main shaft to rotate; each spindle is connected with two connecting rods connected with two pull rod insulators on the same side in the length direction.
Further, the electric interlock device further includes: the four travel switches are respectively arranged at two ends of the two main shafts and fixedly arranged on the switch underframe, and the travel switches are used for limiting the rotation angle of the main shafts.
Further, the interlock device includes: interlocking clips and crank arms; the two interlocking clamps are respectively arranged at the same side ends of the two main shafts along the length direction; the crank arm is fixedly connected with the two interlocking clamps; the setting angles of the two interlocking clamps are different so that the rotation angles of the two main shafts are different.
The utility model relates to a single-pole double-throw isolating switch, which comprises: the switch comprises a switch chassis, an insulating device, a conductive device and an electric interlocking device; the switch underframe is a rectangular frame; the two groups of insulating devices are respectively arranged at two ends of the switch underframe along the width direction; the two groups of conductive devices are respectively arranged on the two groups of insulating devices, and each group of conductive devices is alternately provided with three wiring contacts and two contact knives along the length direction; the electric interlocking device is connected with the two groups of insulating devices, and is used for driving the insulating devices to move along the vertical direction so that the two contact knives on the same side of the two groups of conductive devices along the length direction are simultaneously contacted with or separated from the wiring contact; when two contact blades of one side of the two groups of conductive devices along the length direction are simultaneously contacted with the wiring contact, the two contact blades of the other side are simultaneously separated from the wiring contact; when two contact blades of two groups of conductive devices are separated from the wiring contact along one side of the length direction, two contact blades of the other side are contacted with the wiring contact at the same time. In the embodiment, four single-pole single-throw switches are combined into one switch, and then the switch is arranged on one mounting rack through the interlocking device, so that the mounting space is reduced, the operation flow is simplified, and a plurality of tasks can be completed simultaneously only by one operation mechanism due to the interlocking relationship among the four contact knives; and meanwhile, the production cost and the user installation and operation cost are reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of an alternative single pole double throw disconnector in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic side view of an alternative single pole double throw disconnector in accordance with an embodiment of the present utility model;
fig. 3 is a schematic diagram of the structure of an alternative motor of a single pole double throw disconnector according to an embodiment of the present utility model.
Wherein the above figures include the following reference numerals:
10. A switch chassis; 20. an insulation device; 21. a post insulator; 22. a pull rod insulator; 30. a conductive device; 40. an electric interlock device; 41. a main shaft; 42. an interlock device; 421. interlocking clips; 422. a crank arm; 43. a motor; 44. and a travel switch.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
A single pole double throw isolation switch according to one embodiment of the present utility model, as shown in fig. 1 and 2, comprises: a switch chassis 10, an insulating device 20, a conductive device 30, and an electric interlock device 40; the switch chassis 10 is a rectangular frame; the two groups of insulating devices 20 are arranged at two ends of the switch chassis 10 along the width direction respectively; the two groups of the conductive devices 30 are respectively arranged on the two groups of the insulating devices 20, and each group of the conductive devices 30 is alternately provided with three wiring contacts and two contact blades along the length direction; the electric interlocking device 40 is connected with the two groups of insulating devices 20, and the electric interlocking device 40 is used for driving the insulating devices 20 to move along the vertical direction so that two contact knives on the same side of the two groups of conductive devices 30 along the length direction are simultaneously contacted with or separated from the wiring contacts; wherein, when two contact blades of one side of the two groups of conductive devices 30 along the length direction are simultaneously contacted with the wiring contact, the two contact blades of the other side are simultaneously separated from the wiring contact; when two contact blades of the two sets of conductive devices 30 are simultaneously separated from the wire connection contact along one side in the length direction, two contact blades of the other side are simultaneously contacted with the wire connection contact. In the embodiment, four single-pole single-throw switches are combined into one switch, and then the switch is arranged on a mounting rack through the interlocking device 42, so that the mounting space is reduced, the operation flow is simplified, and a plurality of tasks can be completed simultaneously only by one operation mechanism due to the interlocking relationship among the four contact knives; and meanwhile, the production cost and the user installation and operation cost are reduced.
In particular, each set of insulating means 20 comprises: a post insulator 21 and a tie rod insulator 22; the three pillar insulators 21 are arranged, one ends of the three pillar insulators 21 in the height direction are respectively arranged below the three wiring contacts, and the other ends of the three pillar insulators 21 in the height direction are connected with the switch chassis 10; the number of the pull rod insulators 22 is two, and one ends of the two pull rod insulators 22 in the height direction are respectively arranged below the two contact knives. The insulator has two functions, namely, the current-carrying conductor is firmly supported and fixed, and good insulation is formed between the current-carrying conductor and the ground.
In specific implementation, the three wiring contacts of each group of conductive devices 30 are a first fixed contact, a wire inlet contact and a second fixed contact, the two fixed contacts are respectively connected with electric equipment, and the contact knife is connected with the first fixed contact and the wire inlet contact or the contact is connected with the wire inlet contact and the second fixed contact, so that a power supply can be output to one electric equipment. The incoming contact may also be replaced with a conductive rod.
Further, the two contact blades of each group of conductive devices 30 are a first contact blade and a second contact blade, one end of the first contact blade is connected with the incoming line contact, and the other end of the first contact blade is abutted with the first fixed contact; one end of the second contact knife is connected with the wire inlet contact, and the other end of the second contact knife is abutted with the second fixed contact; wherein the first contact blade is axially movable along the incoming contact when the insulating device 20 is moved in the vertical direction; the second contact blade is axially movable along the incoming contact when the insulating device 20 is moved in a vertical direction. Each contact blade consists of two copper plates, so that the heat dissipation area is increased, the temperature rise is reduced, and the mechanical strength of the contact blade is improved. One end of each contact blade is installed on a contact seat of the incoming line contact through a bolt shaft pin, the other end of each contact blade is connected with the fixed contact, and the contact pressure of each contact blade is maintained by contact springs at two ends.
In particular, as shown in fig. 3, the electric interlocking device 40 includes: a spindle 41, a connecting rod, an interlock 42, and a motor 43; the number of the main shafts 41 is two, and the two main shafts 41 are penetrated in the switch underframe 10 at intervals along the length direction of the switch underframe 10; four connecting rods are respectively connected with the other ends of the four pull rod insulators 22 along the height direction; the interlocking device 42 is arranged at the same end of the two main shafts 41 along the length direction, and the interlocking device 42 is used for simultaneously rotating the two main shafts 41; the motor 43 is connected to one of the spindles 41 to drive the spindle 41 to rotate; wherein each main shaft 41 is connected to two connecting rods connected to two tie insulators 22 on the same side in the length direction. The interlocking device 42 enables the two main shafts 41 to be in locking relation, the main shaft 41 on one side is connected with the connecting rod and the CS6-1T type manual force operating mechanism through the crank arm 422, and the interlocking device can also be directly connected with an electric operating device, and the remote electric operating function is realized through the cooperation with an operating panel. The CS6-1T manual force operating mechanism from a closing position to a separating position and the starting position and the ending position of the single-pole double-throw isolating switch stop dog are adapted to be adjusted through different connecting holes on a sector plate in the manual force mechanism.
Further, the electric interlock device 40 further includes: the four travel switches 44, the four travel switches 44 are respectively disposed at two ends of the two main shafts 41 and fixedly disposed on the switch chassis 10, and the travel switches 44 are used for limiting the rotation angle of the main shafts 41. In the electrical control system, the function of the travel switch 44 is to realize sequential control, positioning control and detection of position states, and is used for controlling travel and limiting protection of mechanical equipment.
In particular, the interlocking means 42 comprise: interlocking clip 421 and crank arm 422; the two interlocking clips 421 are two, and the two interlocking clips 421 are respectively arranged at the same side ends of the two main shafts 41 along the length direction; the crank arm 422 is fixedly connected with the two interlocking clips 421; wherein, the setting angles of the two interlocking clips 421 are different so that the rotation angles of the two main shafts 41 are different. The interlocking clamp 421 and the crank arm 422 are fixed by a locating pin.
When the single-pole double-throw isolating switch of the embodiment is specifically used, the motor 43 drives one main shaft 41 to rotate, the interlocking device 42 drives the other main shaft 41 to synchronously rotate, so that the two pull rod insulators 22 on one side of the isolating switch move upwards to jack up and separate the two contact knives, the two pull rod insulators 22 on the other side are minimized to enable the two contact knives to be closed and closed, and four contact knives can be simultaneously controlled by only one-step operation, and meanwhile, the production cost and the user installation operation cost are reduced.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A single pole double throw disconnector, comprising:
A switch chassis (10), wherein the switch chassis (10) is a rectangular frame;
The two groups of insulating devices (20) are arranged, and the two groups of insulating devices (20) are respectively arranged at two ends of the switch underframe (10) along the width direction;
The two groups of conductive devices (30) are respectively arranged on the two groups of insulating devices (20), and each group of conductive devices (30) is alternately provided with three wiring contacts and two contact blades along the length direction;
The electric interlocking device (40) is connected with the two groups of insulating devices (20), and the electric interlocking device (40) is used for driving the insulating devices (20) to move along the vertical direction so as to enable the two contact knives on the same side of the two groups of conducting devices (30) along the length direction to be contacted with or separated from the wiring contact at the same time;
Wherein when two contact blades of two groups of the conductive devices (30) on one side in the length direction are simultaneously contacted with the wiring contact, the two contact blades on the other side are simultaneously separated from the wiring contact; when two contact blades of two groups of the conductive devices (30) are separated from the wiring contact at the same time along one side of the length direction, the two contact blades of the other side are contacted with the wiring contact at the same time.
2. Single pole double throw disconnector according to claim 1, characterized in that each group of said insulating means (20) comprises:
The three column insulators (21) are arranged, one ends of the three column insulators (21) in the height direction are respectively arranged below the three wiring contacts, and the other ends of the three column insulators (21) in the height direction are connected with the switch underframe (10);
The two pull rod insulators (22) are arranged, and one ends of the two pull rod insulators (22) in the height direction are respectively arranged below the two contact knives.
3. The single pole double throw disconnector according to claim 1, characterized in that,
The three wiring contacts of each group of the conductive devices (30) are a first fixed contact, an incoming line contact and a second fixed contact.
4. A single pole double throw disconnector according to claim 3, characterised in that the two contact blades of each group of said conductive devices (30) are a first contact blade and a second contact blade,
One end of the first contact knife is connected with the incoming line contact, and the other end of the first contact knife is abutted with the first fixed contact;
One end of the second contact knife is connected with the incoming line contact, and the other end of the second contact knife is abutted with the second fixed contact;
Wherein the first contact blade is axially movable along the incoming contact when the insulating device (20) moves in a vertical direction; the second contact blade is axially movable along the incoming contact when the insulating device (20) is moved in a vertical direction.
5. Single pole double throw disconnector according to claim 2, characterized in that said electric interlocking means (40) comprise:
The two main shafts (41) are arranged, and the two main shafts (41) penetrate through the switch underframe (10) at intervals along the length direction of the switch underframe (10);
The four connecting rods are respectively connected with the other ends of the four pull rod insulators (22) along the height direction;
The interlocking device (42) is arranged at the same end of the two main shafts (41) along the length direction, and the interlocking device (42) is used for simultaneously rotating the two main shafts (41);
-a motor (43), said motor (43) being connected to one of said spindles (41) to drive said spindles (41) in rotation;
Wherein each main shaft (41) is connected with two connecting rods connected with two pull rod insulators (22) on the same side in the length direction.
6. The single pole double throw disconnector according to claim 5, characterized in that said electric interlock device (40) further comprises:
the four travel switches (44) are arranged at two ends of the two main shafts (41) respectively, the travel switches (44) are fixedly arranged on the switch underframe (10), and the travel switches (44) are used for limiting the rotation angle of the main shafts (41).
7. Single pole double throw disconnector according to claim 5, characterized in that the interlocking means (42) comprise:
The interlocking clamp (421) is two, and the two interlocking clamps (421) are respectively arranged at the same side ends of the two main shafts (41) along the length direction;
The crank arm (422), the crank arm (422) is fixedly connected with the two interlocking clips (421);
Wherein, the setting angle of the two interlocking clips (421) is different so that the rotation angles of the two main shafts (41) are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323095170.6U CN221125793U (en) | 2023-11-16 | 2023-11-16 | Single pole double throw isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323095170.6U CN221125793U (en) | 2023-11-16 | 2023-11-16 | Single pole double throw isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221125793U true CN221125793U (en) | 2024-06-11 |
Family
ID=91337319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323095170.6U Active CN221125793U (en) | 2023-11-16 | 2023-11-16 | Single pole double throw isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221125793U (en) |
-
2023
- 2023-11-16 CN CN202323095170.6U patent/CN221125793U/en active Active
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