CN213782575U - Visual system of isolated fracture of ring main unit - Google Patents
Visual system of isolated fracture of ring main unit Download PDFInfo
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- CN213782575U CN213782575U CN202022754975.7U CN202022754975U CN213782575U CN 213782575 U CN213782575 U CN 213782575U CN 202022754975 U CN202022754975 U CN 202022754975U CN 213782575 U CN213782575 U CN 213782575U
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Abstract
Visual system of fracture is kept apart to looped netowrk cabinet includes: the image embedding optical fiber is arranged in the ring main unit, one end of the image embedding optical fiber is arranged in the ring main unit, the other end of the image embedding optical fiber is leaked out of the ring main unit, an optical lens is arranged at the end part of the inner end of the ring main unit, the end part of the optical lens is aligned with the isolation fracture, and a detachable light guide device is arranged at the outer end of the ring main unit; one end of the temperature measuring embedded optical fiber is arranged in the ring main unit, the other end of the temperature measuring embedded optical fiber is leaked out of the ring main unit and is arranged in parallel with the image embedded optical fiber, and the handheld optical fiber picture display is matched with the light guide device and the temperature measuring embedded optical fiber. The beneficial effects of the utility model reside in that: the structure is simple, and the isolation fracture is convenient to be added to the existing traditional isolation fracture to increase the operability of the isolation fracture; the operation is convenient.
Description
Technical Field
The utility model relates to a looped netowrk cabinet detection device, concretely relates to visible system of fracture is kept apart to looped netowrk cabinet.
Background
The alternating current metal closed ring network switching device is generally divided into an air insulation type and a sulfur hexafluoride insulation type, is used for switching on and off load current, switching off short-circuit current, transformer no-load current, charging current of a certain distance overhead line and a cable line, plays a role in control and protection, and is an important switching device for ring network power supply and terminal power supply. The alternating current metal closed ring network switching device is an electrical device which is used for assembling a spaced ring network power supply unit and is formed by installing a group of high-voltage switching devices in a steel plate metal cabinet body, and the core part of the alternating current metal closed ring network switching device comprises a load switch and a fuse. At present, the switchgear is being widely used in distribution stations and box-type substations of load centers such as urban residential districts, high-rise buildings, large public buildings, factory enterprises, and the like. The high-voltage switch of the alternating-current metal closed ring network switch device does not generally adopt a breaker with a complex structure, but adopts a high-voltage load switch with a high-voltage fuse with a simple structure. That is, in the ring network switching device, the high voltage switch is generally a load switch, and a normal current is operated using the load switch, and a short-circuit current is cut off using a fuse, which are combined to replace a circuit breaker.
China published patent No. CN205231603U, 2016, 11 months, and discloses a solid ring main unit with an isolated fracture video monitoring device in the field of power equipment, which comprises a solid ring main unit and an isolated knife, wherein the solid ring main unit is of a hollow box structure, a camera device is additionally arranged in the solid ring main unit and is arranged above the isolated knife by virtue of a fixing support, the camera device is also connected with a video display device by virtue of a collector, and the video display device and the collector are of a split structure. The utility model discloses, adopt camera device to survey, avoided offering the drawback of visual window at solid looped netowrk cabinet, can enough guarantee that the isolation fracture of keeping apart the sword is clear visible, guaranteed the complete of structure again, improved holistic insulating properties.
But has the disadvantages that: the electronic components are additionally arranged in the complex circuit environment, and not only can the electronic components be influenced by the high-voltage circuit environment, but also accidents can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to the isolation fracture that traditional switching device provided can not observe load switch and earthing switch's operating condition clearly, maneuverability is poor; although the existing novel closed vacuum load looped network switching device controlled by a computer can obtain the working state of a switch, the cost of the device is greatly increased, and the structure of a control circuit for realizing the purpose of observing the working state of the switch is complex, so that the design and manufacturing difficulty is increased, the probability of correspondingly breaking down is also greatly increased, and the maintenance difficulty is also increased. A visible system for isolating fractures of a ring main unit is designed.
Visual system of fracture is kept apart to looped netowrk cabinet includes:
the image embedding optical fiber is arranged in the ring main unit, one end of the image embedding optical fiber is arranged in the ring main unit, the other end of the image embedding optical fiber is leaked out of the ring main unit, an optical lens is arranged at the end part of the inner end of the ring main unit, the end part of the optical lens is aligned with the isolation fracture, and a detachable light guide device is arranged at the outer end of the ring main unit;
one end of the embedded temperature measuring optical fiber is arranged in the ring main unit, the other end of the embedded temperature measuring optical fiber is leaked out of the ring main unit and is arranged in parallel with the embedded image optical fiber,
the hand-held optical fiber picture display is matched with the light guide device and the temperature measuring embedded optical fiber.
Different with current visual system of isolation fracture the utility model discloses a mode that optical detection and temperature detection mix.
The image embedded optical fiber collects the image state of the isolation fracture switch through an optical lens at the end part, and displays the image of the isolation fracture for an operator to observe and judge through a handheld optical fiber picture display; the temperature measuring embedded optical fiber displays the temperature change generated by the state change of the isolation fracture, particularly the closing or opening time state of the isolation fracture on a handheld optical fiber picture display through the principle of measuring the temperature of the fluorescent fiber, and the temperature state can be detected when the isolation fracture is abnormal.
And the image embedded optical fiber and the temperature measurement embedded optical fiber are glass fibers made of quartz, so that the influence of the non-metallic materials on the environment in the cabinet is small, and the performance temperature cannot be influenced by the environment in the cabinet.
Preferably, the temperature measurement embedded optical fiber is a fluorescent optical fiber, and the temperature measurement embedded optical fiber is abutted with the isolated fracture;
the number of the temperature measuring embedded optical fibers is at least 3, and the temperature measuring embedded optical fibers correspond to the isolating fracture knife switch respectively.
Preferably, the image embedded optical fiber is fixed with the ring main unit through a non-metallic material;
the temperature measuring embedded optical fiber is fixed with the ring main unit through a non-metallic material;
the image embedded optical fiber and the temperature measurement embedded optical fiber penetrate through a hole of the ring main unit to be sealed.
Preferably, the wiring angle of the image embedded optical fiber in the ring main unit is not more than 25 degrees, the distance between the inner end of the ring main unit and the isolated fracture is more than 300mm, and the angle between the inner end of the ring main unit and the horizontal plane is more than 40 degrees.
Preferably, the inner end of the image-embedded optical fiber ring main unit is further provided with an angle retainer for retaining a shooting angle of the inner end of the image-embedded optical fiber ring main unit, and the image-embedded optical fiber ring main unit is fixedly connected with the ring main unit and detachably connected with the image-embedded optical fiber by adopting a non-metallic material.
The beneficial effects of the utility model reside in that: the structure is simple, and the isolation fracture is convenient to be added to the existing traditional isolation fracture to increase the operability of the isolation fracture; the operation is convenient.
Drawings
Figure 1 the utility model discloses a device installs the schematic diagram on keeping apart the fracture additional.
In the figure: 1. Isolating the fracture, 2, measuring the temperature and embedding the optical fiber, 3, embedding the image into the optical fiber, 4 and displaying.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the ring main unit isolation fracture visual system includes:
the image embedding optical fiber 3 is provided with one end arranged in the ring main unit and the other end leaking out of the ring main unit, an optical lens is arranged at the end part of the inner end of the ring main unit, the end part is aligned with the isolation fracture 1, and a detachable light guide device is arranged at the outer end of the ring main unit;
one end of the temperature measuring embedded optical fiber 2 is arranged in the ring main unit, the other end is leaked out of the ring main unit and is arranged in parallel with the image embedded optical fiber 3,
the hand-held optical fiber picture display 4 cooperates with the light guide device and the embedded temperature measuring optical fiber 2.
Different with current visual system of isolation fracture the utility model discloses a mode that optical detection and temperature detection mix.
The image embedded optical fiber 3 collects the image state of the switch of the isolation fracture 1 through an optical lens at the end part, and displays the image of the isolation fracture 1 through the handheld optical fiber picture display 4 to observe and judge for an operator; the temperature measurement embedded optical fiber 2 shows temperature change caused by state change of the isolation fracture 1 on the handheld optical fiber picture display 4 through the principle of fluorescence fiber temperature measurement, particularly shows the closing or opening time state of the isolation fracture 1, and similarly, when the isolation fracture 1 is abnormal, the temperature state can be detected.
And the image embedded optical fiber 3 and the temperature measurement embedded optical fiber 2 are both glass fibers made of quartz, so that the influence of non-metallic materials on the environment in the cabinet is small, and the performance temperature cannot be influenced by the environment in the cabinet.
The temperature measuring embedded optical fiber 2 is a fluorescent optical fiber; the temperature measuring embedded optical fiber 2 is abutted with the isolated fracture 1; the number of the temperature measuring embedded optical fibers 2 is 3, and the temperature measuring embedded optical fibers correspond to three connecting shaft switch interfaces of the isolated fracture 1 respectively.
The image embedded optical fiber 3, the temperature measurement embedded optical fiber 2 and the ring main unit are fixed through non-metallic materials;
the image embedded optical fiber 3 and the temperature measurement embedded optical fiber 2 penetrate through a hole of the ring main unit to be sealed; SF6 gas leakage in the switch cabinet is avoided.
The wiring angle of the image embedded optical fiber 3 in the ring main unit is not more than 25 degrees, the distance between the inner end of the ring main unit and the isolated fracture 1 is 310mm, and the angle between the inner end of the ring main unit and the horizontal plane is 40 degrees.
The image embedded optical fiber 3 ring main unit is characterized in that an angle retainer is further arranged at the inner end of the image embedded optical fiber 3 ring main unit and used for retaining the shooting angle of the inner end of the image embedded optical fiber 3 ring main unit, the non-metal material is adopted and fixedly connected with the ring main unit, and the non-metal material is detachably connected with the image embedded optical fiber 3.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. Visual system of fracture is kept apart to looped netowrk cabinet, its characterized in that includes:
the image embedding optical fiber is arranged in the ring main unit, one end of the image embedding optical fiber is arranged in the ring main unit, the other end of the image embedding optical fiber is leaked out of the ring main unit, an optical lens is arranged at the end part of the inner end of the ring main unit, the end part of the optical lens is aligned with the isolation fracture, and a detachable light guide device is arranged at the outer end of the ring main unit;
one end of the embedded temperature measuring optical fiber is arranged in the ring main unit, the other end of the embedded temperature measuring optical fiber is leaked out of the ring main unit and is arranged in parallel with the embedded image optical fiber,
the hand-held optical fiber picture display is matched with the light guide device and the temperature measuring embedded optical fiber.
2. The visual system of an isolated fracture of a ring main unit according to claim 1, wherein the temperature measuring embedded optical fiber is a fluorescent optical fiber, and the temperature measuring embedded optical fiber is abutted to the isolated fracture;
the number of the temperature measuring embedded optical fibers is at least 3, and the temperature measuring embedded optical fibers correspond to the isolating fracture knife switch respectively.
3. The visual system of isolated fracture of ring main unit of claim 2, wherein the image embedded optical fiber is fixed with the ring main unit through non-metallic material;
the temperature measuring embedded optical fiber is fixed with the ring main unit through a non-metallic material;
the image embedded optical fiber and the temperature measurement embedded optical fiber penetrate through a hole of the ring main unit to be sealed.
4. The visual system of an isolated fracture of a ring main unit according to claim 3, wherein the angle of the image embedded optical fiber in the ring main unit is not more than 25 degrees, the distance between the inner end of the ring main unit and the isolated fracture is more than 300mm, and the angle between the inner end of the ring main unit and the horizontal plane is more than 40 degrees.
5. The visual system of isolated fracture of ring main unit as claimed in claim 4, wherein said image embedded optical fiber ring main unit is further provided with an angle keeper at its inner end for keeping the shooting angle of the image embedded optical fiber ring main unit, and is made of non-metallic material, fixedly connected to the ring main unit, and detachably connected to the image embedded optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022754975.7U CN213782575U (en) | 2020-11-25 | 2020-11-25 | Visual system of isolated fracture of ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022754975.7U CN213782575U (en) | 2020-11-25 | 2020-11-25 | Visual system of isolated fracture of ring main unit |
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| Publication Number | Publication Date |
|---|---|
| CN213782575U true CN213782575U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022754975.7U Active CN213782575U (en) | 2020-11-25 | 2020-11-25 | Visual system of isolated fracture of ring main unit |
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| CN (1) | CN213782575U (en) |
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- 2020-11-25 CN CN202022754975.7U patent/CN213782575U/en active Active
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