CN214477146U - Isolating switch for electric power system - Google Patents
Isolating switch for electric power system Download PDFInfo
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- CN214477146U CN214477146U CN202120818122.7U CN202120818122U CN214477146U CN 214477146 U CN214477146 U CN 214477146U CN 202120818122 U CN202120818122 U CN 202120818122U CN 214477146 U CN214477146 U CN 214477146U
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Abstract
The utility model relates to an isolator for electric power system, including the sealed switch box, the inside of switch box is annotated with insulating gas, and the inner wall fixed mounting of switch box has the gas concentration sensor, is convenient for the concentration of insulating gas in the real-time supervision switch box; and simultaneously the utility model discloses the observation component of installation on being located same water flat line's switch box with the right contact point of static contact for observe the contact state of moving contact and static contact. The utility model discloses an accurate control driving motor's operating condition, and then the contact state of control moving contact and static contact to can observe through observing the component, whether the audio-visual this isolator for electric power system of understanding of the staff of being convenient for is in the off-state, guarantees personal safety.
Description
Technical Field
The utility model belongs to the technical field of the electric power facility, concretely relates to isolator for electric power system.
Background
The isolating switch in the existing market is mostly closed, the position of an internal moving contact can not be obviously observed from the outside, and a worker can not judge whether the isolating switch is in a disconnected state in the true sense when the circuit is overhauled, so that personal safety is endangered.
In addition, most of the disconnectors using an insulating gas as an insulating medium may have a leakage of the insulating gas due to a long-term operation, so that the concentration of the insulating gas may not reach a preset concentration value for a specific voltage class. This is a disadvantage of the prior art.
In view of the above, the present invention provides an isolating switch for an electric power system; it is very necessary to solve the above-mentioned defects existing in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a design isolator for electric power system to the outside unable observation moving contact position that exists among the prior art leads to the circuit maintenance in-process to take place the incident and can't learn isolator internal insulation gas leakage's technical defect, to solve the problem that exists among the prior art.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an isolating switch for an electric power system comprises a sealed switch box body, wherein insulating gas is injected into the switch box body, and a gas concentration sensor is fixedly arranged on the inner wall of the switch box body; a left connecting piece is arranged at the left port of the switch box body, a right connecting piece is arranged at the right port of the switch box body, a cover plate is arranged at the upper port of the switch box body, and the cover plate is fixed on the switch box body through an upper connecting piece;
the left connecting piece is connected with the static contact through the first expanding part, the right connecting piece is connected to the first end of the fixed conducting rod through the second expanding part, the second end of the fixed conducting rod is connected with the conducting slide rail, the conducting rack is arranged in the conducting slide rail, one end, far away from the fixed conducting rod, of the conducting rack is connected with the moving contact, and the static contact and the moving contact are located on the same horizontal axis;
the conductive rack is meshed with a transmission gear, the transmission gear is sleeved at the bottom end of the insulating rod, the top end of the insulating rod is connected to the bottom end of the transmission rotating shaft through a transmission connecting piece, and the top end of the transmission rotating shaft is connected to the output end of the driving motor; the transmission connecting piece penetrates through the cover plate;
the transmission rotating shaft is also sleeved with a rotating gear, the rotating gear is meshed with a reduction gear, the reduction gear is meshed with a pointer gear, the axial center of the pointer gear is provided with a pointer rotating shaft, a pointer is arranged along the radial direction of the pointer rotating shaft, a dial is arranged below the pointer, and the pointer rotating shaft penetrates through the axial center of the dial;
the switch box body is provided with a through hole, and an observation element used for observing the contact state of the moving contact and the static contact is hermetically connected in the through hole.
Preferably, the left connecting piece is detachably connected with the first expansion part, the right side of the first expansion part is detachably connected with the static contact, the periphery of the static contact is sleeved with the first cylindrical shielding cover, and the static contact penetrates out of the first cylindrical shielding cover, so that the interference of an external electric field, a magnetic field or an electromagnetic field to the inside of the novel isolating switch is prevented.
Preferably, the right connecting piece is detachably connected with the second expansion part; the second expansion part is detachably connected with and fixes the conducting rod; a second cylindrical shielding cover is sleeved outside the fixed conducting rod, and the second end of the fixed conducting rod penetrates out of the second cylindrical shielding cover; the second expansion component is convenient for the isolating switch for the power system to be electrically connected with other electric devices, and the sealing performance of the isolating switch for the power system is ensured.
Preferably, the left connecting piece, the right connecting piece and the upper connecting piece are flanges, so that the isolating switch for the power system is detachably connected with other electric devices on the basis of ensuring the sealing property.
Preferably, the first expanding part adopts a basin-type insulator, and the fixed contact is connected to the conductive end at the bottom of the basin-type insulator; the second expansion part adopts a basin-type insulator, and the first end of the fixed conducting rod is connected to the conductive end at the bottom of the basin-type insulator, so that the sealing performance of the isolating switch for the power system is improved.
Preferably, the observation element adopts an acrylic plate, so that a worker can observe the contact state of the moving contact and the static contact visually.
Preferably, the transmission connecting piece is a transmission shaft sleeve, and the sealing performance of the isolating switch for the power system is improved.
Preferably, the center of the through hole on the switch box body and the right contact point of the static contact are located on the same horizontal line, so that the specific on-off states of the moving contact and the static contact can be observed conveniently.
The beneficial effects of the utility model reside in that, the utility model discloses an accurate control driving motor's operating condition, and then the contact state of control moving contact and static contact to can observe through being located the last observation element on the same water flat line, whether the audio-visual this isolator for electric power system of understanding of the staff of being convenient for is in the off-state, guarantees personal safety.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Therefore, compared with the prior art, the utility model has the outstanding substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
Fig. 1 is a schematic front view of a novel isolating switch.
Fig. 2 is a schematic top view of the novel isolating switch.
Fig. 3 is a schematic diagram of the novel isolating switch in a connected state.
Fig. 4 is a schematic connection diagram of the pointer gear.
Fig. 5 is a schematic connection diagram of the transmission gear.
The gas concentration sensor comprises a switch box body 1, a gas concentration sensor 2, a left connecting piece 3, a right connecting piece 4, an upper connecting piece 5, a first expanding part 6, a fixed contact 7, a movable contact 8, a transmission rotating shaft 91, a reduction gear 911, a pointer rotating shaft 912, a pointer 913, a dial 914, a rotating gear 915, a pointer gear 916, a transmission connecting piece 92, an insulating rod 93, a conductive rack 931, a transmission gear 932, a driving motor 10, a shell 11, an observation element 12, a fixed conductive rod 13, a second expanding part 14, a first cylindrical shielding cover 15, a second cylindrical shielding cover 16, a conductive sliding rail 17 and a cover plate 18.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
As shown in fig. 1 and 2, an isolating switch for a power system includes a sealed switch box 1, an insulating gas is injected into the switch box 1, and a gas concentration sensor 2 is fixedly mounted on an inner wall of the switch box 1.
A left connecting piece 3 is arranged at the left port of the switch box body 1, a right connecting piece 4 is arranged at the right port of the switch box body 1, a cover plate 18 is arranged at the upper port of the switch box body 1, and the cover plate 18 is fixed on the switch box body 1 through an upper connecting piece 5; the left connecting piece 3, the right connecting piece 4 and the upper connecting piece 5 are flanges, so that the isolating switch for the power system is detachably connected with other electric devices on the basis of ensuring the sealing property.
The left connecting piece 3 is connected with a fixed contact 7 through a first expanding part 6, specifically, the left connecting piece 3 is detachably connected with the first expanding part 6, and the right side of the first expanding part 6 is detachably connected with the fixed contact 7; the first expanding part 6 adopts a basin-type insulator, and the static contact 7 is connected to a basin bottom conductive end of the basin-type insulator; a first cylindrical shielding cover 15 is sleeved on the periphery of the static contact 7, the static contact 7 penetrates out of the first cylindrical shielding cover 15, and interference caused by an external electric field, a magnetic field or an electromagnetic field to the inside of the novel isolating switch is prevented.
As shown in fig. 1 and 5, the right connecting piece 4 is detachably connected with a second extending part 14, the second extending part 14 facilitates the isolating switch for the power system to be electrically connected with other electric devices, and the sealing performance of the isolating switch for the power system is ensured; the second expanding part 14 is detachably connected with the fixed conducting rod 13, and the second expanding part 14 adopts a basin-type insulator; the right connecting piece 4 is connected to a first end of the fixed conducting rod 13 through a second expanding part 14, specifically, the first end of the fixed conducting rod 13 is connected to a conductive end at the bottom of the basin-type insulator; the outside of the fixed conducting rod 13 is sleeved with a second cylindrical shielding cover 16, the second end of the fixed conducting rod 13 penetrates out of the second cylindrical shielding cover 16, the second end of the fixed conducting rod 13 is connected with a conducting slide rail 17, a conducting rack 931 is arranged in the conducting slide rail 17, one end, away from the fixed conducting rod 13, of the conducting rack 931 is connected with a moving contact 8, and the fixed contact 7 and the moving contact 8 are located on the same horizontal axis.
As shown in fig. 1, 4 and 5, the conductive rack 931 is engaged with a transmission gear 932, the transmission gear 932 is sleeved at the bottom end of the insulating rod 93, the top end of the insulating rod 93 is connected to the bottom end of the transmission rotating shaft 91 through a transmission connector 92, and the transmission connector 92 is a transmission shaft sleeve, so that the sealing performance of the disconnecting switch for the power system is improved; the top end of the transmission rotating shaft 91 is connected to the output end of the driving motor 10; the drive connection 92 extends through the cover plate 18.
The transmission rotating shaft 91 is further sleeved with a rotating gear 915, the rotating gear 915 is meshed with a reduction gear 911, the reduction gear 911 is meshed with a pointer gear 916, a pointer rotating shaft 912 is arranged at the axial center of the pointer gear 916, a pointer 913 is arranged along the radial direction of the pointer rotating shaft 912, a dial 914 is arranged below the pointer 913, the pointer rotating shaft 912 penetrates through the axial center of the dial 914, the rotating gear 915, the reduction gear 911, the pointer gear 916, the pointer rotating shaft 912, the pointer 913 and the dial 914 are sealed in a shell 11 with a transparent window, the shell 11 is located above the cover plate 18 and is connected with the cover plate 18 in a sealing and detachable mode, and the transmission rotating shaft 91 penetrates through the shell 11 and is connected with the driving motor 10.
A through hole is formed in the switch box body 1, the center of the through hole in the switch box body 1 and the right contact point of the static contact 7 are located on the same horizontal line, and the specific on-off states of the movable contact 8 and the static contact 7 can be observed conveniently; the through hole is internally and hermetically connected with an observation element 12 for observing the contact state of the moving contact 8 and the static contact 7, the observation element 12 adopts an acrylic plate, and a worker can conveniently and visually observe the contact state of the moving contact 8 and the static contact 7.
The driving motor 10 is further connected with a control component, the control component is further in communication connection with the gas concentration sensor 2, and the control component further comprises an alarm unit when the gas concentration sensor 2 detects that the concentration of the insulating gas does not meet the preset concentration.
If the disconnecting switch for the power system is required to be in a connected state, a worker can control the driving motor 10 to rotate forward through the control component according to the pre-designed operation parameters, and simultaneously drive the moving contact 8 to move linearly leftward through the transmission rotating shaft 91, the transmission gear 932, the conductive rack 931 and the like, after the moving contact 8 moves to a preset position, the driving motor 10 automatically stops working, and at the moment, the disconnecting switch for the power system is in a connected state, as shown in fig. 3; if the disconnecting switch for the power system is in the disconnected state, a worker can control the driving motor 10 to rotate reversely according to the preset operation parameters through the control component, and simultaneously drive the moving contact 8 to move linearly right through the transmission rotating shaft 91, the transmission gear 932, the conductive rack 931 and the like, after the moving contact 8 moves to the preset position, the driving motor 10 automatically stops working, and at the moment, the disconnecting switch for the power system is in the disconnected state, as shown in fig. 1; in the working process, the worker can visually see the contact state of the movable contact 8 and the fixed contact 7 through the observation element 12, and can calculate the moving distance of the movable contact 8 according to the degree of rotation of the pointer 913.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any person skilled in the art can think of the inventive changes, and several improvements and decorations made without departing from the principle of the present invention should fall within the protection scope of the present invention.
Claims (8)
1. An isolating switch for an electric power system is characterized by comprising a sealed switch box body, wherein insulating gas is injected into the switch box body, and a gas concentration sensor is fixedly arranged on the inner wall of the switch box body; a left connecting piece is arranged at the left port of the switch box body, a right connecting piece is arranged at the right port of the switch box body, a cover plate is arranged at the upper port of the switch box body, and the cover plate is fixed on the switch box body through an upper connecting piece;
the left connecting piece is connected with the static contact through the first expanding part, the right connecting piece is connected to the first end of the fixed conducting rod through the second expanding part, the second end of the fixed conducting rod is connected with the conducting slide rail, the conducting rack is arranged in the conducting slide rail, one end, far away from the fixed conducting rod, of the conducting rack is connected with the moving contact, and the static contact and the moving contact are located on the same horizontal axis;
the conductive rack is meshed with a transmission gear, the transmission gear is sleeved at the bottom end of the insulating rod, the top end of the insulating rod is connected to the bottom end of the transmission rotating shaft through a transmission connecting piece, and the top end of the transmission rotating shaft is connected to the output end of the driving motor; the transmission connecting piece penetrates through the cover plate;
the transmission rotating shaft is also sleeved with a rotating gear, the rotating gear is meshed with a reduction gear, the reduction gear is meshed with a pointer gear, the axial center of the pointer gear is provided with a pointer rotating shaft, a pointer is arranged along the radial direction of the pointer rotating shaft, a dial is arranged below the pointer, and the pointer rotating shaft penetrates through the axial center of the dial;
the switch box body is provided with a through hole, and an observation element used for observing the contact state of the moving contact and the static contact is hermetically connected in the through hole.
2. The isolating switch for the power system as claimed in claim 1, wherein the left connecting member is detachably connected to the first expanding member, the right side of the first expanding member is detachably connected to the fixed contact, the periphery of the fixed contact is sleeved with the first cylindrical shielding cover, and the fixed contact penetrates through the first cylindrical shielding cover.
3. The disconnecting switch for the power system according to claim 1, wherein the right connecting member is detachably connected to a second expansion member; the second expansion part is detachably connected with and fixes the conducting rod; and a second cylindrical shielding cover is sleeved outside the fixed conducting rod, and the second end of the fixed conducting rod penetrates out of the second cylindrical shielding cover.
4. The disconnecting switch according to claim 1, wherein the left, right, and upper connecting members are flanges.
5. The isolating switch for the power system as claimed in claim 1, wherein the first expanding component is a basin-shaped insulator, and the fixed contact is connected to a basin bottom conducting end of the basin-shaped insulator; the second expansion part adopts a basin-type insulator, and the first end of the fixed conducting rod is connected to the bottom conducting end of the basin-type insulator.
6. The disconnector according to claim 1, wherein the observation element is an acrylic plate.
7. The disconnector according to claim 1, wherein the transmission connecting member is a transmission bushing.
8. The isolating switch for the power system as claimed in claim 1, wherein the center of the through hole on the switch box and the right contact point of the static contact are located on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120818122.7U CN214477146U (en) | 2021-04-20 | 2021-04-20 | Isolating switch for electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120818122.7U CN214477146U (en) | 2021-04-20 | 2021-04-20 | Isolating switch for electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214477146U true CN214477146U (en) | 2021-10-22 |
Family
ID=78179921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120818122.7U Active CN214477146U (en) | 2021-04-20 | 2021-04-20 | Isolating switch for electric power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214477146U (en) |
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2021
- 2021-04-20 CN CN202120818122.7U patent/CN214477146U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211214 Address after: 271000 No. 10 Longtan South Road, hi tech Zone, Shandong, Tai'an Patentee after: SHANDONG TAIKAI POWER ELECTRIC Co.,Ltd. Address before: 271000 No. 11526 Longtan South Road, Taian High-tech Zone, Shandong Province Patentee before: Shandong taikai Testing Co.,Ltd. |