CN112614723A - Wall-mounted three-station internet access isolating switch and power supply system - Google Patents
Wall-mounted three-station internet access isolating switch and power supply system Download PDFInfo
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- CN112614723A CN112614723A CN202011478050.2A CN202011478050A CN112614723A CN 112614723 A CN112614723 A CN 112614723A CN 202011478050 A CN202011478050 A CN 202011478050A CN 112614723 A CN112614723 A CN 112614723A
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- wall
- isolating switch
- isolation
- wire inlet
- inlet plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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Abstract
The invention discloses a wall-mounted three-station internet access isolating switch and a power supply system, wherein the isolating switch comprises: the first insulating support is provided with a first wire inlet plate and an isolating movable contact assembly connected with the first wire inlet plate; the second insulating support is provided with a second wire inlet plate and an isolation static contact assembly connected with the second wire inlet plate; the third insulating support column is arranged opposite to the second insulating support column, and is provided with a third wire inlet plate and a grounding static contact assembly connected with the third wire inlet plate; the isolation movable contact component can rotate between the isolation fixed contact component and the grounding fixed contact component, and one of the isolation movable contact component and the grounding fixed contact component is connected with the isolation fixed contact component and the grounding fixed contact component; the volume of the switch is reduced, so that the switch is more suitable for being installed in a rail area, and the on-line separation and grounding locking wiring are not needed, so that the power transmission error caused by on-line separation and closing when the grounding switch is closed is avoided; by adopting the high-definition camera and the electric operating device, the action state of the isolating switch can be monitored in real time and remote operation can be carried out.
Description
Technical Field
The invention belongs to the technical field of rail transit power supply, and particularly relates to a wall-mounted three-station internet access isolating switch and a power supply system.
Background
The isolating switch is widely applied to a subway power supply system and is a main power cut-off and transmission device for connecting a power supply system of a traction substation and a contact network system. The three-station isolating switch mainly comprises an isolating static contact, an isolating moving contact, a grounding static contact and the like, and the moving contact is driven to move through a linkage mechanism to complete the actions of opening, closing and grounding.
The existing three-station isolating switch of the rail transit is relatively complex in structure and large in size, and cables enter and exit from the lower part of the isolating switch and are difficult to be safely and reasonably installed in a rail area; usually, the device can only be arranged in an isolation switch cabinet specially arranged in a station, so that the engineering investment is increased; when the maintenance operation of an operation unit is carried out, the action position of the isolating switch cannot be observed, certain safety risk exists, and the operation maintenance requirement is difficult to meet; the accuracy and the reliability of the switch action are poor, and the operation is troublesome.
Disclosure of Invention
In view of at least one of the drawbacks or needs for improvement in the prior art, the present invention provides a wall-mounted three-position internet access isolation switch and a power supply system.
To achieve the above object, according to an aspect of the present invention, there is provided a wall-mounted three-position internet access isolation switch, including:
the first insulating support is provided with a first wire inlet plate and an isolation moving contact assembly connected with the first wire inlet plate, and the first wire inlet plate is used for connecting a contact net;
the second insulating support is provided with a second wire inlet plate and an isolation static contact assembly connected with the second wire inlet plate, and the second wire inlet plate is used for connecting a power supply cable;
the third insulating support column is arranged opposite to the second insulating support column, a third wire inlet plate and a grounding static contact assembly connected with the third wire inlet plate are arranged on the third insulating support column, and the third wire inlet plate is used for being connected with a ground wire;
the isolation moving contact component can rotate between the isolation fixed contact component and the grounding fixed contact component, and one of the isolation moving contact component and the grounding fixed contact component is connected with the isolation fixed contact component and the grounding fixed contact component.
Preferably, the wall-mounted three-station internet access isolating switch further comprises image acquisition equipment;
the image acquisition equipment is used for acquiring the position states of the movable contact assembly, the isolation fixed contact assembly and the grounding fixed contact assembly.
Preferably, the wall-mounted three-station internet access isolating switch further comprises a pull rod, a transmission rod and a driving device;
one end of the pull rod is connected with the body of the isolated moving contact component, and the other end of the pull rod is connected with the transmission rod; under the action of the driving device, the isolation moving contact component is driven to rotate between the isolation fixed contact component and the grounding fixed contact component through the transmission rod and the pull rod.
Preferably, the wall-mounted three-station internet access isolating switch further comprises a first support frame and a second support frame;
the first insulating support is arranged at one end of the first support frame;
the second support frame is U-shaped and comprises a first support rod, a second support rod and a third support rod, wherein the second support rod and the third support rod are respectively fixed at two ends of the first support rod; the first supporting rod is arranged at the other end of the first supporting frame in a mode of crossing the first supporting frame; the second insulating support column and the third insulating support column are oppositely arranged on the second support rod and the third support rod.
Preferably, the wall-mounted three-station internet access isolating switch further comprises a third support frame;
one end of the third support frame is installed on the first support frame, and the image acquisition equipment is arranged on the third support frame and used for acquiring the position states of the moving contact assembly, the isolation static contact assembly and the static contact assembly in real time.
Preferably, in the wall-mounted three-station internet isolating switch, one end of the pull rod is connected with the body of the isolating movable contact assembly, and the other end of the pull rod is fixed on the first support frame.
Preferably, the wall-mounted three-station internet isolating switch is characterized in that the first support frame and/or the second support frame are/is provided with mounting holes, and the isolating switch can be fixed on the tunnel wall of the rail area through the mounting holes and the fasteners.
Preferably, in the wall-mounted three-station internet isolating switch, the first insulating support, the second insulating support and the third insulating support are all porcelain insulators.
According to a second aspect of the invention, a power supply system is further provided, which includes the wall-mounted three-station internet access disconnecting switch, the overhead contact system connected with the wall-mounted three-station internet access disconnecting switch, and a traction substation for providing the power supply cable.
According to a third aspect of the present invention, a power supply system is further provided, which includes the wall-mounted three-station internet access disconnecting switch, the overhead contact system connected to the wall-mounted three-station internet access disconnecting switch, and a traction substation for providing the power supply cable;
still include remote monitoring device, remote monitoring device respectively with image acquisition device, drive arrangement communication connection, acquires the position state information of the movable contact subassembly of image acquisition device collection, isolation static contact subassembly and ground connection static contact subassembly, and according to position state information, through drive arrangement carries out remote control to wall-hanging three station internet access isolator.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
(1) the isolation switch and the grounding switch are integrated, and the wall-mounted three-station isolation switch is constructed, so that the volume of equipment is reduced, and the wall-mounted three-station isolation switch is more suitable for being installed in a rail area. Through shape and the position relation of reasonable adjustment isolation static contact, isolation moving contact and ground connection static contact for satisfy effectual area of contact and insulation distance between the relevant contact, keep apart moving contact subassembly alternative and keep apart stationary contact subassembly, ground connection stationary contact subassembly and be connected, and need not the online and separate and visual ground connection shutting wiring, online when having avoided earthing switch to close a floodgate separates the floodgate miscarriage power transmission.
(2) The invention is arranged in the rail-mounted area, so that the position of the contact can be clearly observed during maintenance operation, and the operation requirement is met; by adopting the high-definition camera and the electric operating device, the action state of the isolating switch can be monitored in real time and remote operation can be carried out. Generally, the isolating switch provided by the invention has the characteristics of less total number of parts, simplicity in assembly, strong practicability and cost saving, and has higher economic and practical values.
Drawings
Fig. 1 is a schematic structural diagram of a wall-mounted three-station internet access isolating switch according to an embodiment of the present invention;
in the figures, the reference numerals indicate the technical features in particular:
1-a first insulating support column, 101-a first wire incoming plate, 102-an isolated moving contact component;
2-a second insulating support column, 201-a second wire inlet plate, 202-an isolation static contact assembly;
3-third insulating support column, 301-third wire inlet plate, 302-grounding static contact assembly;
4-a pull rod;
5-a transmission rod;
6-an electric control box;
7-an image acquisition device;
8-a first support frame;
9-a second support, 901-a first strut, 902-a second strut, 903-a third strut;
10-third support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The following description is merely exemplary in nature and is not intended to limit the present invention, the application of the present invention, or the uses of the present invention. Further, the drawings are schematic, and the proportions of the respective dimensions and the like do not necessarily coincide with the actual situation.
Fig. 1 is a schematic structural diagram of a wall-mounted three-position internet isolating switch provided in this embodiment, and referring to fig. 1, the wall-mounted three-position internet isolating switch includes a first insulating pillar 1, a second insulating pillar 2, and a third insulating pillar 3;
wherein, a first line incoming board 101 and an isolated moving contact component 102 connected with the first line incoming board 101 are arranged on the first insulating strut 1;
a second wire inlet plate 201 and an isolation static contact assembly 202 connected with the second wire inlet plate 201 are arranged on the second insulating support column 2;
the third insulating support 3 is arranged opposite to the second insulating support 2, and a third wire inlet plate 301 and a grounding static contact assembly 302 connected with the third wire inlet plate 301 are arranged on the third insulating support 3;
when the power supply system works, the first wire inlet plate 101 is connected with an internet cable of a contact network, and the second wire inlet plate 201 is connected with a power supply cable of a traction substation; the third wire inlet plate 301 is connected with a grounding cable; the isolation moving contact assembly 101 rotates between the isolation fixed contact assembly 201 and the grounding fixed contact assembly 301, and selects one of the isolation moving contact assembly 201 and the grounding fixed contact assembly 301 to be connected.
The working modes of the wall-mounted three-station internet access isolating switch provided by the embodiment are divided into three modes, namely switching-off, switching-on and grounding;
(1) opening a brake:
when the isolating moving contact assembly 101 rotates to the horizontal position, the isolating moving contact assembly 101 is not in contact with the isolating fixed contact assembly 201 and the grounding fixed contact assembly 301, and at this time, the isolating switch is in the open state. When the traction network is powered off, the isolating switch is in an open state, namely the isolating moving contact assembly 101 is not in contact with the isolating static contact assembly 201 and the grounding static contact assembly 301, and fracture isolation is formed between the contact network and a power supply cable in the traction substation.
(2) Closing:
when the isolating switch is in an opening state, the isolating movable contact assembly 101 rotates anticlockwise by 45 degrees and contacts with the isolating fixed contact assembly 201, and at the moment, the isolating switch is in a closing state. When the traction power supply system is in a normal operation state, the isolating switch is in a closing state, the isolating moving contact assembly 101 is connected with the isolating static contact assembly 201, and the contact network is conducted with a power supply cable in the traction substation to receive power.
(3) Grounding:
when the isolating switch is in an open state, the isolating movable contact assembly 101 rotates clockwise by 45 degrees and contacts with the grounding fixed contact assembly 301, and at the moment, the isolating switch is in a grounding state. When the contact network needs to be temporarily grounded in the maintenance operation, the isolating switch is placed in a grounding state, the isolating moving contact assembly 101 is connected with the grounding fixed contact assembly 301, and the contact network is grounded.
This application integrates the design with isolator and earthing switch, builds wall-hanging three station isolator, has reduced the volume of equipment, makes it more fit for installing in the rail line district. Through shape and the position relation of reasonable adjustment isolation static contact, isolation moving contact and ground connection static contact for satisfy effectual area of contact and insulation distance between the relevant contact, keep apart moving contact subassembly alternative and keep apart stationary contact subassembly, ground connection stationary contact subassembly and be connected, and need not the online and separate and visual ground connection shutting wiring, online when having avoided earthing switch to close a floodgate separates the floodgate miscarriage power transmission.
In a preferred embodiment, the wall-mounted three-position internet access isolating switch further comprises a pull rod 4, a transmission rod 5 and an electric control box 6;
one end of the pull rod 4 is connected with the body of the isolated moving contact component 101, and the other end is connected with the transmission rod 5; the transmission rod 5 is connected with a motor in the electric control box 6, and under the action of the driving device 6, the isolation moving contact assembly 101 is driven to rotate between the isolation static contact assembly 201 and the grounding static contact assembly 301 through the transmission rod 5 and the pull rod 4.
The electric control box 6 needs to be additionally provided with a grounding position on the basis of a brake opening position and a brake closing position, and the requirement of automatic control operation of the three-station internet access isolating switch is met.
As a preferred embodiment, the wall-mounted three-position internet access isolating switch further comprises an image acquisition device 7; the image acquisition device 7 is a high-definition camera, and can be arranged near the wall-mounted three-station internet isolating switch or form a whole with the wall-mounted three-station internet isolating switch, and is used for acquiring the position states of the isolation moving contact assembly 101, the isolation static contact assembly 201 and the grounding static contact assembly 301. The installation positions of the high-definition camera and the high-definition camera meet the requirement that the isolation moving contact assembly 101, the isolation static contact assembly 201 and the grounding static contact assembly 301 enter the visual field range of the high-definition camera.
The switch position information that image acquisition equipment 7 gathered can convey remote control system to, and the staff can clearly observe isolator's operating condition through remote control system, and is convenient for carry out real-time supervision and remote control through electric control box 6 to wall-hanging three station online isolator.
With reference to fig. 1, the wall-mounted three-position internet access isolating switch further includes a first supporting frame 8 and a second supporting frame 9; the first support frame 8 and the second support frame 9 jointly form a support structure of the wall-mounted three-station internet access isolating switch; wherein the content of the first and second substances,
the first support frame 8 is in a straight line shape, and the first insulating support 1 is arranged at the first end of the first support frame 8 through a fastener; in addition, one end of the pull rod 4 is connected with the body of the isolated movable contact assembly 101, and the other end is fixed on the first support frame 8.
The second support frame 9 is U-shaped and includes a first support bar 901, and a second support bar 902 and a third support bar 903 fixed at two ends of the first support bar 901 respectively; the first support bar 901 is mounted at the second end of the first support frame 8 in a manner of crossing the first support frame 8; in a preferred example, the first support 901 is mounted at a second end of the first support frame 8 in a perpendicular manner to the first support frame 8; the second insulating strut 2 is mounted on the second supporting rod 902 through a fastener, the third insulating strut 3 is mounted on the third supporting rod 903 through a fastener, and the second insulating strut 2 and the third insulating strut 3 are oppositely arranged, that is, the end sockets of the isolating fixed contact assembly 201 on the second insulating strut 2 and the grounding fixed contact assembly 301 on the third insulating strut 3 are both facing the isolating movable contact assembly 101 on the first insulating strut 1.
In a specific example, the first insulating pillar 1, the second insulating pillar 2, and the third insulating pillar 3 are all porcelain insulators; the three are all installed on isolator's bearing structure through the fastener.
In an alternative embodiment, the image acquisition device 7 is arranged on the support structure of the disconnector, integral with the latter; therefore, the wall-mounted three-station internet isolating switch provided by the embodiment further comprises a third support frame 10; the third support frame 10 is also in a straight-line structure, one end of the third support frame is arranged on the first support frame 8, and the other end of the third support frame is provided with the image acquisition equipment 7. Preferably, the third support frame 10 is installed perpendicular to the plane formed by the first support frame 8 and the second support frame 9, that is, in a direction perpendicular to the rotation plane of the isolated moving contact assembly 101, so that a better view and shooting direction can be provided for the image capturing device 7 to capture the position states of the isolated moving contact assembly 101, the isolated stationary contact assembly 201, and the grounded stationary contact assembly 301 in real time.
In a preferred embodiment, the first support frame 8 and the second support frame 9 are provided with mounting holes (not shown), and the disconnector can be fixed on the tunnel wall of the track section by the aid of the mounting holes and fasteners. The isolating switch is placed in the rail traveling area, so that rooms in a station are not occupied, and the engineering investment is reduced.
This embodiment still provides a power supply system, and it includes above-mentioned wall-hanging three station online isolator of this power supply system, still includes the contact net of being connected with wall-hanging three station online isolator to and provide supply cable's traction substation. The specific structure of the wall-mounted three-position internet access isolating switch is described above in detail, and is not described herein again.
Specifically, a power supply cable of the traction substation is connected with a second wire inlet plate 201 on the second insulating support 2, and is electrically connected with the isolation static contact assembly 202 through the second wire inlet plate 201 to provide current for a contact network;
the contact net is connected with the first wire inlet plate 101 on the first insulating support 1, the first wire inlet plate 101 is used for realizing the electric connection with the isolation moving contact assembly 102, and when the isolation moving contact assembly 102 is connected with the isolation static contact assembly 202, a power supply path between the contact net and the traction substation is formed, so that the contact net can get electricity from the traction substation.
As a more preferable embodiment, on the basis of the power supply system, a remote monitoring device is introduced, and the remote monitoring device is respectively in communication connection with the image acquisition device 7 and the electric control box 6 in the wall-mounted three-station internet isolating switch, acquires the position state information of the movable contact assembly, the isolating fixed contact assembly and the fixed contact assembly acquired by the image acquisition device 7, and performs remote control on the wall-mounted three-station internet isolating switch through the electric control box 6 according to the position state information. When the traction power supply system is in a normal operation state, the isolation moving contact assembly 101 is remotely controlled to be connected with the isolation static contact assembly 201 through the electric control box 6, so that the contact net is conducted with a power supply cable in the traction substation to receive power. When the traction network is powered off, the isolation moving contact assembly 101 is remotely controlled by the electric control box 6 to be not in contact with the isolation static contact assembly 201 and the grounding static contact assembly 301, so that fracture isolation is formed between the contact network and a power supply cable in the traction substation. When the contact network needs to be temporarily grounded in the maintenance operation, the isolation moving contact assembly 101 is remotely controlled to be connected with the grounding fixed contact assembly 301 through the electric control box 6, and the isolation switch is placed in a grounding state to enable the contact network to be grounded.
According to the wall-mounted three-station internet access isolating switch, the volume of equipment is reduced through structural optimization design, so that the space requirement is reduced, and the wall-mounted three-station internet access isolating switch can be mounted on the tunnel wall of a rail area; the device is placed in a rail traveling area, does not occupy rooms in a station, and reduces the engineering investment. In addition, the invention is arranged in a rail-mounted area, so that the position of the contact can be clearly observed during maintenance operation, and the operation requirement is met; by adopting the high-definition camera and the electric operating device, the action state of the isolating switch can be monitored in real time and remote operation can be carried out. Generally, the isolating switch provided by the invention has the characteristics of less total number of parts, simplicity in assembly, strong practicability and cost saving, and has higher economic and practical values.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a wall-hanging three station online isolator which characterized in that includes:
the first insulating support is provided with a first wire inlet plate and an isolation moving contact assembly connected with the first wire inlet plate, and the first wire inlet plate is used for connecting a contact net;
the second insulating support is provided with a second wire inlet plate and an isolation static contact assembly connected with the second wire inlet plate, and the second wire inlet plate is used for connecting a power supply cable;
the third insulating support column is arranged opposite to the second insulating support column, a third wire inlet plate and a grounding static contact assembly connected with the third wire inlet plate are arranged on the third insulating support column, and the third wire inlet plate is used for being connected with a ground wire;
the isolation moving contact component can rotate between the isolation fixed contact component and the grounding fixed contact component, and one of the isolation moving contact component and the grounding fixed contact component is connected with the isolation fixed contact component and the grounding fixed contact component.
2. The wall-mounted three-station internet isolating switch according to claim 1, further comprising an image acquisition device;
the image acquisition equipment is used for acquiring the position states of the movable contact assembly, the isolation fixed contact assembly and the fixed contact assembly.
3. The wall-mounted three-position internet isolating switch according to claim 2, further comprising a pull rod, a transmission rod and a driving device;
one end of the pull rod is connected with the body of the isolated moving contact component, and the other end of the pull rod is connected with the transmission rod; under the action of the driving device, the isolation moving contact component is driven to rotate between the isolation fixed contact component and the grounding fixed contact component through the transmission rod and the pull rod.
4. The wall-mounted three-position internet isolating switch according to claim 3, further comprising a first support frame and a second support frame;
the first insulating support is arranged at one end of the first support frame;
the second support frame is U-shaped and comprises a first support rod, a second support rod and a third support rod, wherein the second support rod and the third support rod are respectively fixed at two ends of the first support rod; the first supporting rod is arranged at the other end of the first supporting frame in a mode of crossing the first supporting frame; the second insulating support column and the third insulating support column are oppositely arranged on the second support rod and the third support rod.
5. The wall-mounted three-position internet isolating switch according to claim 4, further comprising a third support frame;
one end of the third support frame is arranged on the first support frame, and the image acquisition equipment is arranged on the third support frame.
6. The wall-mounted three-station internet isolating switch according to claim 4, wherein one end of the pull rod is connected with the body of the isolating movable contact assembly, and the other end of the pull rod is fixed on the first supporting frame.
7. The wall-mounted three-station internet isolating switch according to claim 4, wherein the first support frame and/or the second support frame are provided with mounting holes, and the isolating switch can be fixed on the tunnel wall of the rail area through the mounting holes and the fasteners.
8. The wall-mounted three-position internet isolating switch according to any one of claims 1 to 7, wherein the first insulating support, the second insulating support and the third insulating support are all porcelain insulators.
9. A power supply system is characterized by comprising the wall-mounted three-station internet access isolating switch as claimed in any one of claims 1 to 8, the overhead line system connected with the wall-mounted three-station internet access isolating switch, and a traction substation for providing the power supply cable.
10. A power supply system, characterized by comprising the wall-mounted three-station internet access isolating switch of any one of claims 3 to 7, the overhead line system connected with the wall-mounted three-station internet access isolating switch, and a traction substation for providing the power supply cable;
still include remote monitoring device, remote monitoring device respectively with image acquisition device, drive arrangement communication connection, acquires the position state information of the movable contact subassembly of image acquisition device collection, isolation static contact subassembly and ground connection static contact subassembly, and according to position state information, through drive arrangement carries out remote control to wall-hanging three station internet access isolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011478050.2A CN112614723A (en) | 2020-12-15 | 2020-12-15 | Wall-mounted three-station internet access isolating switch and power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011478050.2A CN112614723A (en) | 2020-12-15 | 2020-12-15 | Wall-mounted three-station internet access isolating switch and power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112614723A true CN112614723A (en) | 2021-04-06 |
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ID=75234303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011478050.2A Pending CN112614723A (en) | 2020-12-15 | 2020-12-15 | Wall-mounted three-station internet access isolating switch and power supply system |
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| CN (1) | CN112614723A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743825A (en) * | 2022-06-09 | 2022-07-12 | 武汉黉门电工科技有限公司 | Isolating switch and method for monitoring on-off state of isolating switch |
| CN114784526A (en) * | 2022-03-16 | 2022-07-22 | 贵州乌江水电开发有限责任公司 | Grounding system is kept apart in operation |
-
2020
- 2020-12-15 CN CN202011478050.2A patent/CN112614723A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784526A (en) * | 2022-03-16 | 2022-07-22 | 贵州乌江水电开发有限责任公司 | Grounding system is kept apart in operation |
| CN114784526B (en) * | 2022-03-16 | 2023-11-28 | 贵州乌江水电开发有限责任公司 | Operation isolation grounding system |
| CN114743825A (en) * | 2022-06-09 | 2022-07-12 | 武汉黉门电工科技有限公司 | Isolating switch and method for monitoring on-off state of isolating switch |
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