CN210837581U - Distribution network isolation switch capable of being grounded - Google Patents
Distribution network isolation switch capable of being grounded Download PDFInfo
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- CN210837581U CN210837581U CN201921875840.7U CN201921875840U CN210837581U CN 210837581 U CN210837581 U CN 210837581U CN 201921875840 U CN201921875840 U CN 201921875840U CN 210837581 U CN210837581 U CN 210837581U
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- isolation
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- isolation switch
- connecting plate
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Abstract
The utility model provides a net isolation switch can join in marriage net to ground, it includes base (100) to keep apart the switch, two insulators (120), second wiring mechanism, third wiring mechanism and isolation switch (150), two insulators (120) correspond the both ends of installing at base (100), second wiring mechanism is including setting up second terminal (141) on one of them insulator (120) top, third wiring mechanism colludes seat (174) and sets up third terminal (171) on another insulator (120) top including the second that is the U type, the second colludes seat (174) including consecutive first connecting plate, second connecting plate and third connecting plate, the second connecting plate is installed on third terminal (171). The isolation switch is beneficial to enabling the isolation switch to be contacted with the static contact more reliably, and is beneficial to improving the safety performance of the isolation switch.
Description
Technical Field
The utility model relates to an isolation switch technical field particularly, relates to a net isolation switch can join in marriage to ground.
Background
An isolation switch (disconnect), that is, in the separated position, there are insulation distances and obvious disconnection marks between the contacts which meet the requirements of the regulation; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position.
A plurality of section switches are installed on a power supply line according to needs in the existing distribution overhead line, in order to shorten the power failure range and improve the power supply reliability in a distribution network automation system, more and more section switches are needed to isolate fault points, the power failure range is reduced as far as possible, and as long as the section switches are installed on the power supply line, an isolation disconnecting link needs to be correspondingly installed so as to meet the needs of overhauling and forming an obvious disconnection point.
In the prior art, the isolation switch has the problems of poor contact of the isolation switch and easy occurrence of safety accidents.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can connect ground to join in marriage net isolation switch to solve foretell technical problem.
The embodiment of the utility model is realized like this: the utility model provides a can join in marriage net isolation switch, includes base, two insulators, second wiring mechanism, third wiring mechanism and isolation switch, two insulators correspond to be installed the both ends of base, second wiring mechanism is including setting up one of them the second terminal on insulator top, third wiring mechanism colludes the seat and sets up at another including the second that is the U type the third terminal on insulator top, the second colludes the seat including consecutive first connecting plate, second connecting plate and third connecting plate, the second connecting plate is installed on the third terminal, isolation switch respectively with the second terminal and first connecting plate third connecting plate detachably connects.
The embodiment of the utility model provides a beneficial effect is: because the second colludes the seat and is the platelike structure of U type, and the second colludes the seat and passes through second connecting plate and third terminal connection, first connecting plate and third connecting plate are connected with the isolation switch respectively, and the second that is platelike structure colludes the seat and is favorable to increasing the area of contact the two with third terminal connection to make and keep apart and have good contact effect between switch and the third wiring mechanism, be favorable to improving the security performance of keeping apart the switch.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an isolation switch according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of FIG. 1 from a first perspective;
FIG. 3 is a schematic diagram of the structure of FIG. 1 from a second perspective;
fig. 4 is a schematic structural diagram of the isolation switch and the connection plate according to an embodiment of the present invention.
Icon: 100-a base; 110-a ground support; 111-a first terminal post; 112-first contact pressure cap; 113-a first fastener; 114-a first hook seat; 1141-a first opening; 115-a first fixation plate; 120-an insulator; 130-a rotation limiting disc; 141-a second terminal post; 142-a second contact pressure cap; 143-a second fastener; 144-a second fixing plate; 150-isolation disconnecting link; 151-connecting plate; 160-a pre-tightening mechanism; 161-bolt; 162-a nut; 163-a spring; 171-a third terminal; 172-a third contact pressure cap; 173-a third fastener; 174-second hook seat; 1741-a second opening; 180-rotating shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the embodiment of the present invention provides a distribution network isolation switch capable of connecting to ground, the isolation switch includes a base 100, two insulators 120, a second wiring mechanism, a third wiring mechanism and an isolation switch 150, two insulators 120 are correspondingly installed at two ends of the base 100, that is, one of the insulators 120 is installed at one end of the base 100, and the other insulator 120 is installed at the other end of the base 100, wherein the base 100 can be made of channel steel, and the isolation switch 150 can be made of copper plate. The second wiring mechanism comprises a second wiring terminal 141 arranged at the top end of one of the insulators 120, the third wiring mechanism comprises a U-shaped second hook seat 174 and a third wiring terminal 173 arranged at the top end of the other insulator 120, the third wiring mechanism is a static contact, wherein, the second terminal 141 and the third terminal 173 can be arranged as a plate structure, the second hook seat 174 comprises a first connecting plate, a second connecting plate and a third connecting plate which are connected in sequence, the first connecting plate and the third connecting plate are perpendicular to the second connecting plate, the first connecting plate, the second connecting plate and the third connecting plate can be an integrated structure, the second connecting plate is installed on the third terminal 173, the isolation switch 150 is detachably connected with the second terminal 141 and the first connecting plate, the third connecting plate respectively, that is, one end of the isolation switch 150 is detachably connected to the second terminal 141, and the other end of the isolation switch 150 is detachably connected to both the first connection plate and the third connection plate.
Based on this, because the second colludes seat 174 and is the platelike structure of U type, and the second colludes seat 174 and is connected with third terminal 173 through the second connecting plate, first connecting plate and third connecting plate are connected with isolation switch 150 respectively, and the second that is the platelike structure colludes seat 174 and is connected with third terminal 173 and is favorable to increasing the area of contact of the two to make and have good contact effect between isolation switch 150 and the third wiring mechanism, be favorable to improving the security performance of isolation switch.
Referring to fig. 1 and 4, in this embodiment, the isolation switch further includes two connecting plates 151 disposed at one end of the isolation switch 150 close to the third wiring mechanism, wherein one connecting plate 151 is respectively attached to the isolation switch 150 and the first connecting plate, and the other connecting plate 151 is respectively attached to the isolation switch 150 and the third connecting plate, because the connecting plates 151 are respectively attached to the first connecting plate and the isolation switch 150, and are respectively attached to the third connecting plate and the isolation switch 150, the contact areas of the isolation switch 150 and the second hook seat 174 are increased indirectly, which is beneficial to make the contact effect of the isolation switch 150 better.
Referring to fig. 2, 3 and 4, in this embodiment, in order to enable the isolation switch 150 to be stably connected to the second hook seat 174 and to be detached from the second hook seat 174, the isolation switch further includes a rotating shaft 180, wherein the first connecting plate and the third connecting plate are provided with second openings 1741 on sides away from the isolation switch 150, the rotating shaft 180 penetrates through the second openings 1741 and the two connecting plates 151, and the two connecting plates 151 are located between the first connecting plate and the third connecting plate, that is, the connecting plate 151 is located on the inner side of the second hook seat 174, so that the isolation switch 150 is limited by the rotating shaft 180 and the second hook seat 174 by the rotating shaft 180 penetrating through the two connecting plates 151 and the second openings 1741, that is, the isolation switch 150 is fixed at an end close to the second hook seat 174. When the isolation switch needs to be disconnected, the isolation switch 150 can be separated from the second hook seat 174 by pulling out the rotating shaft 180.
In some embodiments, the connecting plate may also be disposed outside the second hook seat 174.
In some embodiments, different from the second gap, through holes may be disposed on the first connecting plate and the third connecting plate for the rotation shaft 180 to pass through.
The number of the isolation switches 150 is two, the two isolation switches 150 are opposite and spaced, the isolation switches further include a pre-tightening mechanism 160 for applying a pre-tightening force to the two isolation switches 150, and the pre-tightening mechanism 160 can adjust the pre-tightening force of the isolation switches 150, so that the two isolation switches 150 are reliably connected.
Referring to fig. 3, specifically, the number of the pre-tightening mechanisms 160 is two, the two pre-tightening mechanisms 160 are distributed on the two isolation switches 150 at intervals, that is, one pre-tightening mechanism 160 is located at one end of the isolation switch 150, the other pre-tightening mechanism 160 is located at the other end of the isolation switch 150, the pre-tightening mechanism 160 includes a bolt 161, a nut 162 and a spring 163, the bolt 161 penetrates through the two isolation switches 150, the spring 163 is sleeved on the bolt 161 and located on one side of one isolation switch 150 away from the other isolation switch 150, and the nut 162 is sleeved on the bolt 161 and located on one side of the spring 163 away from the isolation switch 150. The preload can be adjusted by tightening the nut 162 to more securely couple the two isolation switches 150 together.
Referring to fig. 1, 2 and 3, further, a second fixing plate 144 is disposed on the second terminal 141, the second fixing plate 144 is vertically disposed on the second terminal 141, the second fixing plate 144 is connected to the second terminal 141 by welding, a third fixing plate is disposed on the third terminal 173, the third fixing plate is connected to the third terminal 173 by welding, the second fixing plate 144 and the third fixing plate are both located between two isolation switches 150, and the second fixing plate 144 and the third fixing plate can separate the two isolation switches 150.
Referring to fig. 1, 2 and 3, in the embodiment, the second wiring mechanism includes a second contact pressing cap 142 and a second fastening member 143, the second contact pressing cap 142 is in a U-shaped structure, the second contact pressing cap 142 is covered on the second terminal 141 and forms a second wiring channel with the second terminal 141, and the second fastening member 143 passes through the second terminal 141 and the second contact pressing cap 142 to fasten the second contact pressing cap 142, so that the electric wire can be pressed between the second contact pressing cap 142 and the second terminal 141 by the second fastening member 143, the electric wire is prevented from being loosened, and the reliability of the electric wire connection is ensured. Wherein, the second fastening member 143 may be a bolt and a nut.
Referring to fig. 1, 2 and 3, the third wiring mechanism includes a third contact pressing cap 172 and a third fastening member 173, the third contact pressing cap 172 is U-shaped, the third contact pressing cap 172 covers the third wiring post 173 and forms a third wiring channel with the third wiring post 173, and the third fastening member 173 passes through the third wiring post 173 and the third contact pressing cap 172 to fasten the third contact pressing cap 172, so that the electric wire can be pressed between the third contact pressing cap 172 and the third wiring post 173 by the third fastening member 173, the electric wire is prevented from being loosened, and the reliability of the electric wire connection is ensured. Accordingly, the third fastener 173 may be a bolt and a nut.
Referring to fig. 1, 2 and 3, in the present embodiment, the base 100 includes a first base and a second base, the second base is connected to the first base and located on the same horizontal plane, and the second base is disposed obliquely with respect to the first base, in other words, the second base and the first base form an included angle. The two insulators 120 are disposed on the first base, the isolation switch further includes a rotation limiting disc 130 and a grounding portion mounted on the second base, and the rotation limiting disc 130 is rotatably disposed between the second wiring mechanism and the insulators 120 so that the isolation switch 150 can rotate around an axis of the rotation limiting disc 130. The isolation switch has an isolation switch 150 conduction position and a ground conduction position, the isolation switch 150 conduction position is that the isolation switch 150 is respectively connected with the second wiring mechanism and the third wiring mechanism, the isolation switch 150 rotates along with the rotation limiting disc 130 and the isolation switch 150 is respectively connected with the second wiring mechanism and the ground connection portion at the ground conduction position, the isolation switch 150 rotates and is connected with the ground connection portion through the isolation switch 150, on one hand, the isolation switch 150 can be conducted, the isolation switch can also have the ground connection function, the requirement of maintenance work is met, and therefore safe operation is ensured more reliably.
Referring to fig. 1, 2 and 3, the grounding portion includes a grounding support 110 and a first wiring mechanism, the grounding support 110 is disposed between the first wiring mechanism and the second base, the first wiring mechanism includes a first wiring terminal 111, a U-shaped first hook seat 114, a first contact pressure cap 112 and a first fastening member 113, the first hook seat 114 has a structure identical to that of the second hook seat 174, that is, the first hook seat 114 is provided with a first opening 1141, which is not described herein again. The first terminal 111 is provided with a first fixing plate 115 to separate two isolation switches 150, the first terminal 111 may be provided in a plate-shaped structure, the first terminal 111 is mounted on the ground support 110, the first hook seat 114 is mounted on the first terminal 111, the first contact pressing cap 112 is covered on the first terminal 111 and forms a first wiring channel with the first terminal 111, the first fastener 113 penetrates through the first terminal 111 and the first contact pressing cap 112 to fasten the first contact pressing cap 112, the electric wire may be pressed in the first wiring channel between the first contact pressing cap 112 and the first terminal 111 through the first contact pressing cap 112 and the first terminal 111 and then locked by the first fastener 113, so that the electric wire is stably fixed, the first fastener 113 may be a bolt and a nut, so that stable installation of the electric wire is facilitated, and the electric wire may be quickly detached from between the first contact pressing cap 112 and the first terminal 111, the installation efficiency is improved, and the stability of the electric wire is ensured. The grounding support 110 may be connected to a grounding wire, thereby achieving grounding of the isolation switch.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a distribution network isolation switch can meet ground, characterized in that, includes base (100), two insulators (120), second wiring mechanism, third wiring mechanism and isolation switch (150), two insulators (120) correspond to be installed the both ends of base (100), second wiring mechanism is including setting up one of them second terminal (141) on insulator (120) top, third wiring mechanism is including the second that is the U type colludes seat (174) and set up in another third terminal (171) on insulator (120) top, the second colludes seat (174) including consecutive first connecting plate, second connecting plate and third connecting plate, the second connecting plate is installed on third terminal (171), isolation switch (150) respectively with second terminal (141) and first connecting plate, The third connecting plate is detachably connected.
2. The isolation switch of claim 1, further comprising two connecting plates (151) disposed at an end of the isolation switch (150) adjacent to the third wiring mechanism, wherein one of the connecting plates (151) is attached to the isolation switch (150) and the first connecting plate, and the other connecting plate (151) is attached to the isolation switch (150) and the third connecting plate.
3. The isolation switch of claim 2, further comprising a rotating shaft (180), wherein a second gap (1741) is formed on each of the first connecting plate and the third connecting plate on the side away from the isolation switch (150), and the rotating shaft (180) penetrates through the second gap (1741) and the two connecting plates (151).
4. The isolation switch of claim 1, wherein the number of the isolation switches (150) is two, and the two isolation switches (150) are arranged oppositely and at intervals, and the isolation switch further comprises a pre-tightening mechanism (160) for applying a pre-tightening force to the two isolation switches (150).
5. The isolating switch according to claim 4, wherein the pre-tightening mechanisms (160) comprise two groups, the two groups of pre-tightening mechanisms (160) are distributed on the two isolating switches (150) at intervals, each pre-tightening mechanism (160) comprises a bolt (161), a nut (162) and a spring (163), the bolt (161) penetrates through the two isolating switches (150), the spring (163) is sleeved on the bolt (161) and is located on one side, away from the other isolating switch (150), of one isolating switch (150), and the nut (162) is sleeved on the bolt (161) and is located on one side, away from the isolating switch (150), of the spring (163).
6. The isolation switch of claim 4, wherein a second fixing plate (144) is disposed on the second terminal post (141), a third fixing plate is disposed on the third terminal post (171), and the second fixing plate (144) and the third fixing plate are both located between the two isolation switches (150).
7. The isolating switch according to claim 1, wherein the second wiring mechanism comprises a second contact pressing cap (142) and a second fastening member (143), the second contact pressing cap (142) is of a U-shaped structure, the second contact pressing cap (142) covers the second terminal post (141) and forms a second wiring channel with the second terminal post (141), and the second fastening member (143) penetrates through the second terminal post (141) and the second contact pressing cap (142) to fasten the second contact pressing cap (142);
the third wiring mechanism comprises a third contact pressing cap (172) and a third fastener (173), the third contact pressing cap (172) is of a U-shaped structure, the third contact pressing cap (172) covers the third wiring column (171) and forms a third wiring channel with the third wiring column (171), and the third fastener (173) penetrates through the third wiring column (171) and the third contact pressing cap (172) to fasten the third contact pressing cap (172).
8. The isolation switch of claim 1, wherein the base (100) comprises a first base (100) and a second base (100), the second base (100) is connected with the first base (100) and is located on the same horizontal plane, the second base (100) is obliquely arranged relative to the first base (100), and the two insulators (120) are arranged on the first base (100); the isolating switch also comprises a rotary limiting disc (130) and a grounding part arranged on the second base (100), wherein the rotary limiting disc (130) is rotatably arranged between the second wiring mechanism and the insulator (120) so that the isolating switch (150) can rotate around the axis of the rotary limiting disc (130);
the isolation disconnecting link is provided with an isolation disconnecting link (150) conduction position and a ground conduction position, the isolation disconnecting link (150) is respectively connected with the second wiring mechanism and the third wiring mechanism at the isolation disconnecting link (150) conduction position, and the isolation disconnecting link (150) rotates along with the rotation limiting disc (130) and enables the isolation disconnecting link (150) to be respectively connected with the second wiring mechanism and the ground connection portion at the ground conduction position.
9. The isolation switch of claim 8, wherein the grounding portion comprises a grounding support (110) and a first wiring mechanism, the grounding support (110) is arranged between the first wiring mechanism and the second base (100), the first wiring mechanism comprises a first wiring terminal (111), a U-shaped first hook seat (114), a first contact pressure cap (112) and a first fastener (113), the first binding post (111) is arranged on the grounding support (110), the first hook seat (114) is arranged on the first binding post (111), the first contact pressing cap (112) is covered on the first binding post (111) and forms a first wiring channel with the first binding post (111), the first fastener (113) penetrates through the first terminal post (111) and the first contact pressure cap (112) to fasten the first contact pressure cap (112).
10. The isolation switch of claim 9, wherein the first terminal (111) comprises a terminal body, the terminal body is horizontally arranged, one end of the terminal body, which is far away from the first wiring mechanism, is bent downwards to form a bent section, and the first contact pressing cap (112) is arranged at the bent section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875840.7U CN210837581U (en) | 2019-11-01 | 2019-11-01 | Distribution network isolation switch capable of being grounded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875840.7U CN210837581U (en) | 2019-11-01 | 2019-11-01 | Distribution network isolation switch capable of being grounded |
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| Publication Number | Publication Date |
|---|---|
| CN210837581U true CN210837581U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921875840.7U Active CN210837581U (en) | 2019-11-01 | 2019-11-01 | Distribution network isolation switch capable of being grounded |
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| CN (1) | CN210837581U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111312550A (en) * | 2019-11-01 | 2020-06-19 | 贵州电网有限责任公司 | Switching formula ground connection isolation switch |
| CN112117154A (en) * | 2020-09-18 | 2020-12-22 | 贵州电网有限责任公司 | Integrated bipolar high-voltage isolation switch |
-
2019
- 2019-11-01 CN CN201921875840.7U patent/CN210837581U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111312550A (en) * | 2019-11-01 | 2020-06-19 | 贵州电网有限责任公司 | Switching formula ground connection isolation switch |
| CN111312550B (en) * | 2019-11-01 | 2021-11-12 | 贵州电网有限责任公司 | Switching formula ground connection isolation switch |
| CN112117154A (en) * | 2020-09-18 | 2020-12-22 | 贵州电网有限责任公司 | Integrated bipolar high-voltage isolation switch |
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