阅读说明：本技术 一种gis隔离开关触头分合状态监测用传感器 (GIS isolator contact deciliter state monitoring sensor ) 是由 张军民 陈富国 朱文堂 于 2021-07-22 设计创作，主要内容包括：本发明涉及GIS隔离开关领域,具体涉及一种GIS隔离开关触头分合状态监测用传感器,包括：壳体,该壳体一侧具有开口,且开口内内嵌有屏蔽玻璃；采集单元,该采集单元可拆卸连接在壳体内,且采集单元采集端位于屏蔽玻璃一侧；补光单元,该补光单元设置在壳体内,且位于屏蔽玻璃一侧；由于采用了偏光玻璃和屏蔽玻璃作为LED灯光源进入GIS隔离开关内的介质,有效解决了光源会在远程观察窗玻璃和触头金属屏蔽罩反射光斑的问题,进而实现了LED灯在补光时,扩大打入GIS隔离开关内的光源散射面积,同时不会产生光斑。(The invention relates to the field of GIS isolating switches, in particular to a sensor for monitoring the on-off state of a GIS isolating switch contact, which comprises: the device comprises a shell, a first fixing piece and a second fixing piece, wherein one side of the shell is provided with an opening, and shielding glass is embedded in the opening; the acquisition unit is detachably connected in the shell, and an acquisition end of the acquisition unit is positioned on one side of the shielding glass; the light supplementing unit is arranged in the shell and is positioned on one side of the shielding glass; due to the fact that the polarized glass and the shielding glass are used as media for enabling the LED lamp light source to enter the GIS isolating switch, the problem that the light source can reflect light spots on the long-distance observation window glass and the contact metal shielding cover is effectively solved, the light source scattering area of the LED lamp is enlarged and driven into the GIS isolating switch when light is supplemented, and meanwhile, the light spots cannot be generated.)

1. The utility model provides a GIS isolator contact deciliter state monitoring uses sensor which characterized in that includes:

the device comprises a shell (1), wherein one side of the shell (1) is provided with an opening, and shielding glass (2) is embedded in the opening;

the acquisition unit is detachably connected in the shell (1), and the acquisition end of the acquisition unit is positioned on one side of the shielding glass (2);

the light supplementing unit is arranged in the shell (1) and is positioned on one side of the shielding glass (2);

the control unit is detachably connected in the shell (1), and is electrically connected with the light supplementing unit and the collecting unit.

2. The GIS disconnecting switch contact on-off state monitoring sensor according to claim 1, wherein the collection unit comprises a lens assembly (3) and a polarized glass I (4), the lens assembly (3) and the polarized glass I (4) are detachably connected in the shell (1), the polarized glass I (4) is located between the lens assembly (3) and the shielding glass (2), the light supplementing unit is located on the side face of the lens assembly (3), and the control unit is located at an imaging focus of the lens assembly (3).

3. The GIS disconnecting switch contact on-off state monitoring sensor according to claim 2, wherein the light supplementing unit comprises an LED lamp (5), a light guide column (6) and a second polarized glass (7), the LED lamp (5) is annularly arranged to form a lamp ring, the second polarized glass (7) and the light guide column (6) are of an annular structure, the LED lamp (5) and the second polarized glass (7) are detachably connected to the inner circumferential surface of the shell (1), the light guide column (6) is arranged between the LED lamp (5) and the second polarized glass (7), two sides of the light guide column (6) are respectively attached to the LED lamp (5) and the second polarized glass (7), one end of the light guide column assembly (3) is located in the LED lens lamp (5), and the LED lamp (5) is electrically connected with the control unit.

4. The GIS disconnecting switch contact on-off state monitoring sensor according to claim 2, wherein the control unit comprises a power module (8) and a video processing module (9), the power module (8) and the video processing module (9) are detachably connected in the housing (1) and located on one side of the lens assembly (3), the video processing module (9) is located at a position capable of receiving images of the lens assembly (3), and the power module (8) is electrically connected with the light supplementing unit and the video processing module (9).

5. The GIS disconnecting switch contact on-off state monitoring sensor according to claim 3, wherein a light shielding layer (10) is arranged between the first polarizing glass (4) and the second polarizing glass (7).

6. The GIS disconnecting switch contact on-off state monitoring sensor according to claim 1, wherein a conductive sealing ring (11) is arranged at one end of the shell (1), and the conductive sealing ring (11) and the shielding glass (2) are located on the same side.

7. The GIS disconnecting switch contact on-off state monitoring sensor according to claim 4, wherein a wiring port is formed in the shell (1), an aviation plug (12) is detachably connected in the wiring port, and the aviation plug (12) is electrically connected with the power module (8).

Technical Field

The invention relates to the field of GIS isolating switches, in particular to a sensor for monitoring the on-off state of a GIS isolating switch contact.

Background

GIS room equipment is totally enclosed type combined electrical apparatus, and isolator contact seals in equipment casing, can only pass through the artifical visual inspection of equipment side observation window, but isolator observation window position is higher, the aperture is narrow, the field of vision is dim, is difficult to directly judge contact deciliter position to can produce extremely dazzling arc light at isolator deciliter, rely on conventional artifical pointwise visual inspection method to take time longer and extremely inconvenient and unsafe, especially on extra-high voltage GIS, extra-high voltage GIS voltage grade is high, equipment safety grade is high, in case the maloperation or deciliter trouble will bring serious consequence. In order to solve the problem that the actual position of the GIS equipment after switching operation is difficult to detect, and meanwhile, the state data of the contact can be monitored in real time, a sensor for monitoring the on-off state of the contact of the GIS isolating switch needs to be developed, and the functions of real-time remote monitoring, manual judgment and automatic machine judgment double modes can be realized.

In the related art, the prior art can shoot and record images to the GIS isolating switch contact position to a certain extent, but some technical deficiencies still exist: the isolating switch contact can generate bright arc light when being switched on and switched off, and the visible light camera lens filters light in a wave band which generates interference in image acquisition, analysis and judgment in the arc light.

Disclosure of Invention

The application provides a GIS isolator contact deciliter state monitoring sensor has solved artifical visual inspection and has confirmed one by one that inefficiency, reliability are poor, trade difficult problems such as security are low, has realized carrying out optical image collection and eliminating the light filling reflection to the contact state.

The technical problem solved by the invention can be realized by adopting the following technical scheme:

the utility model provides a GIS isolator contact deciliter state monitoring uses sensor, includes:

the device comprises a shell, a first fixing piece and a second fixing piece, wherein one side of the shell is provided with an opening, and shielding glass is embedded in the opening;

the acquisition unit is detachably connected in the shell, and an acquisition end of the acquisition unit is positioned on one side of the shielding glass;

the light supplementing unit is arranged in the shell and is positioned on one side of the shielding glass;

the control unit is detachably connected in the shell and is electrically connected with the light supplementing unit and the collecting unit.

Further, the collection unit includes lens subassembly and polarized glass one, lens subassembly and polarized glass can dismantle the connection in the casing, polarized glass one is located between lens subassembly and the shielding glass, the light filling unit is located lens subassembly side, the control unit is located lens subassembly imaging focus.

Further, the light supplementing unit comprises an LED lamp, a light guide column and a polarized glass II, the LED lamp is arranged in an annular mode to form a lamp ring, the polarized glass II and the light guide column are of an annular structure, the LED lamp and the polarized glass II are detachably connected to the inner circumferential surface of the shell, the light guide column is arranged between the LED lamp and the polarized glass II, two sides of the light guide column are respectively attached to the LED lamp and the polarized glass II, one end of the lens assembly is located in the LED lamp, and the LED lamp is electrically connected with the control unit.

Further, the control unit includes power module and video processing module, power module and video processing module can dismantle the connection in the casing, and are located lens subassembly one side, video processing module is located the position that can accept the formation of image of lens subassembly, power module and light filling unit and video processing module electric connection.

Furthermore, a light shading layer is arranged between the first polarized glass and the second polarized glass.

Furthermore, a conductive sealing ring is arranged at one end of the shell, and the conductive sealing ring and the shielding glass are located on the same side.

Further, the casing is opened there is the wiring mouth, can dismantle in the wiring mouth and connect the aviation plug, aviation plug and power module electric connection.

The invention has the beneficial effects that: due to the adoption of the LED lamp, the problem of insufficient light source in the GIS isolating switch during remote monitoring is effectively solved, and light source supplement in the GIS isolating switch through the LED lamp is further realized.

Due to the fact that the polarized glass and the shielding glass are used as media for enabling the LED lamp light source to enter the GIS isolating switch, the problem that the light source can reflect light spots on the long-distance observation window glass and the contact metal shielding cover is effectively solved, the light source scattering area of the LED lamp is enlarged and driven into the GIS isolating switch when light is supplemented, and meanwhile, the light spots cannot be generated.

Due to the fact that the shielding glass is adopted, the problem that clear shooting cannot be achieved due to the fact that bright arc light can be generated during closing is effectively solved, and clear images can be shot through the lens by weakening and filtering light through the shielding glass.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1-a shell; 2-shielding glass; 3-a lens assembly; 4-polarizing glass I; 5-LED lamps; 6-light guide column; 7-polarized glass II; 8-a power supply module; 9-a video processing module; 10-a light-shielding layer; 11-a conductive seal ring; 12-aviation plug.

Detailed Description

Example 1:

referring to fig. 1, which is a schematic structural view according to embodiment 1 of the present invention, a sensor for monitoring a contact on/off state of a GIS disconnecting switch includes:

a housing 1, wherein one side of the housing 1 is provided with an opening, and shielding glass 2 is embedded in the opening;

the acquisition unit is detachably connected in the shell 1, and the acquisition end of the acquisition unit is positioned on one side of the shielding glass 2;

the light supplementing unit is arranged in the shell 1 and is positioned on one side of the shielding glass 2;

the control unit is detachably connected in the shell 1 and is electrically connected with the light supplementing unit and the collecting unit.

In actual use: through the flange joint of casing 1 and GIS isolator's remote monitoring window, shielding glass 2 and the laminating of remote monitoring window, carry out image acquisition in to GIS isolator through the acquisition unit, rethread control unit is to image processing and transmit, when GIS isolator light is dim, open the light filling unit through the control unit and carry out the light filling, improve the image definition of the collection of acquisition unit, the light filling unit can link with the built-in light source of GIS isolator, built-in light source is opened when artifical the inspection, the light filling unit is closed, the back that finishes, built-in light source is closed, the inspection unit is opened.

Example 2:

referring to fig. 1: the collection unit includes lens subassembly 3 and polarized glass 4, lens subassembly 3 and polarized glass 4 can be dismantled and connect in casing 1, a polarized glass 4 is located between lens subassembly 3 and shielding glass 2, the light filling unit is located lens subassembly 3 side, the control unit is located lens subassembly 3 imaging focus.

In actual use: can effectively eliminate light filling light source reflection glare interference through shielding glass 2 and polarized light glass 4, adopt lens subassembly 3 can focus, gather high definition's GIS isolator contact deciliter state information through the camera lens, help improving the accuracy of high in the clouds analysis.

In this embodiment, the polarized glass one 4 is an orthogonal polarized lens.

Example 3:

referring to fig. 1: the light supplementing unit comprises an LED lamp 5, a light guide column 6 and a polarized glass II 7, the LED lamp 5 is arranged in an annular mode to form a lamp ring, the polarized glass II 7 and the light guide column 6 are of an annular structure, the LED lamp 5 and the polarized glass II 7 are detachably connected to the inner circumferential surface of the shell 1, the light guide column 6 is arranged between the LED lamp 5 and the polarized glass II 7, the two sides of the light guide column 6 are respectively attached to the LED lamp 5 and the polarized glass II 7, one end of the lens assembly 3 is located in the LED lamp 5, and the LED lamp 5 is electrically connected with the control unit.

In actual use: when needing the control, open LED lamp 5, LED lamp 5 leads light through leaded light post 6, shine into GIS isolator through two 7 and shielding glass 2 and GIS isolator remote observation windows of polarized glass, can make the light source not make contact metal shield cover reflection light spot when getting into in the GIS isolator through two 7 of polarized glass to cause the unable state problem of clearly catching GIS isolator, eliminate the problem that the light spot appears in the information collection through two 7 of polarized glass.

Example 4:

referring to fig. 1: the control unit includes power module 8 and video processing module 9, power module 8 and video processing module 9 can dismantle the connection in casing 1, and are located camera lens subassembly 3 one side, video processing module 9 is located the position that can accept camera lens subassembly 3 formation of image, power module 8 and light filling unit and 9 electric connection of video processing module.

In actual use: the image captured by the lens assembly 3 is received through the video processing module 9, video processing is carried out through a connected computer, and the opening and closing state of the GIS isolating switch is analyzed through AI.

In this embodiment, the power module 8 adopts 24V input, and outputs 12V, 3.3V and 5V through the power protection circuit, the slow start circuit and the input filter circuit and AC/DC conversion, where 12V supplies power to the video processing and AI calculation processing board, 3.3V supplies power to the CMOS photosensitive chip and the signal processing module, and 5V supplies power to the light supplement unit.

In this embodiment, the power filter isolation assembly of the power module 8 is connected to the housing 1, and the housing 1 is effectively grounded through the external plug, so as to prevent external overvoltage and electromagnetic pulse interference from entering the sensor.

Example 5:

referring to fig. 1: and a light shading layer 10 is arranged between the first polarized glass 4 and the second polarized glass 7.

In actual use: the problem of light source reflection of the supplementary lighting is effectively solved through the light shielding layer 10.

Example 6:

referring to fig. 1: one end of the shell 1 is provided with a conductive sealing ring 11, and the conductive sealing ring 11 and the shielding glass 2 are positioned on the same side.

In actual use: the conductive sealing ring 11 and the observation window flange prevent water vapor and dust from entering a gap between the observation window and the shielding glass 2. Meanwhile, a conductive sealing ring 11 is arranged between the shell and the flange joint of the observation window shell and is in equipotential connection with the observation window, so that the interior of the shell 1 is electromagnetically shielded.

Example 7:

referring to fig. 1: casing 1 is opened there is the wiring mouth, can dismantle in the wiring mouth and connect aviation plug 12, aviation plug 12 and power module 8 electric connection.

In actual use: the external cable is connected through the aviation plug 12, so that dust and liquid can be prevented from entering the sensor, and meanwhile, the connection reliability is guaranteed.

While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is within the scope of the claims.