CN111025003A - Insulating detection device of looped netowrk cabinet body - Google Patents
Insulating detection device of looped netowrk cabinet body Download PDFInfo
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- CN111025003A CN111025003A CN202010026166.6A CN202010026166A CN111025003A CN 111025003 A CN111025003 A CN 111025003A CN 202010026166 A CN202010026166 A CN 202010026166A CN 111025003 A CN111025003 A CN 111025003A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/15—Indicating the presence of current
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- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses an insulation detection device for a ring main unit body, and relates to the field of ring main units, wherein the insulation detection device comprises a moving block, a plurality of electromagnets positioned inside the moving block, and a plurality of universal wheels positioned at the bottom of the moving block; the controller and the motor are positioned in the moving block, and the steering gear is used for driving the universal wheel to steer; at least one detection part positioned on the side part of the moving block; a ground terminal fixed to the moving block and electrically connected to the detection unit; the cabinet body and the connecting block are matched with a connecting groove arranged on the cabinet body; through this device, can carry out comprehensive insulating properties to the cabinet body and detect, improve detection efficiency.
Description
Technical Field
The invention relates to the field of ring main units, in particular to an insulation detection device for a ring main unit body.
Background
The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. The power supply system is widely applied to 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, and improves the power supply reliability.
The applicant found that: because there are a large amount of electrical equipment in the looped netowrk cabinet, and the voltage through these equipment is higher, appears electrical equipment electric leakage phenomenon in the looped netowrk cabinet, if the insulating properties of looped netowrk cabinet is not good, then cause out-of-service accident in the outside of looped netowrk cabinet easily, in prior art, the detection to the looped netowrk cabinet is manual detection mostly, can't accomplish to detect comprehensively of looped netowrk cabinet, and detection efficiency is low.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an insulation detecting device for a ring main unit, so as to solve the technical problems in the prior art that since a large number of electrical devices are disposed in a ring main unit and the voltages of the devices are high, when an electrical device leaks electricity in the ring main unit, if the insulation performance of the ring main unit is poor, an accident is easily caused outside the ring main unit, in the prior art, most of detections for the ring main unit are manual detections, complete detections for the ring main unit cannot be achieved, and the detection efficiency is low.
Based on the above purpose, the invention provides an insulation detection device for ring main unit, comprising
The moving block comprises a moving block, a plurality of electromagnets positioned in the moving block and a plurality of universal wheels positioned at the bottom of the moving block;
the controller and the motor are positioned in the moving block, and the steering gear is used for driving the universal wheel to steer;
at least one detection part positioned on the side part of the moving block;
a ground terminal fixed to the moving block and electrically connected to the detection unit;
the cabinet body and the connecting block are matched with a connecting groove arranged on the cabinet body;
during detection, the electromagnet is electrified to generate magnetic force for attracting the cabinet body, so that the side surface of the cabinet body is kept in contact with the universal wheels and the end part of the detection part; then combining the connecting block with the connecting groove to enable the connecting block to be in metal connection with the inside of the cabinet body; the grounding end is connected with the ground through a wire, and the connecting block is connected with a detection power supply; after the movement is finished, the controller controls the motor to drive the universal wheels to rotate, and simultaneously controls the steering gear to steer when the moving block moves to the edge of the cabinet body.
Further, the detection portion comprises a detection rod, a limiting block, a fixed block, a spring and a current sensor, the limiting block is fixed on the side portion of the moving block, the detection rod is connected with the limiting block in a sliding mode and is electrically connected with the grounding end, the fixed block is fixed on the side surface of the detection rod, the spring is sleeved on the detection rod and is located between the fixed block and the limiting block, one end of the spring is fixed on the fixed block, the other end of the spring is fixed on the limiting block, the length of the detection rod protruding out of the moving block is larger than that of the universal wheel protruding out of the moving block under the natural state of the spring, and the current sensor is fixed on the side surface of the detection.
Furthermore, the end part of the detection rod contacting with the cabinet body is a hemispherical end.
The current sensor detects that current passes through the detection rod, the prompter gives out a prompt alarm.
Further, the prompting device adopts an LED lamp or a buzzer.
Further, the number of the detection bodies is four, the connecting block is in a cuboid shape, and the four detection bodies are distributed at four corners of the side end face of the connecting block.
Furthermore, the cabinet body is characterized by further comprising a marking part, wherein the marking part is arranged on the periphery of the detection rod and electrically connected with the current sensor, and when the current sensor senses that current passes through the detection rod, the marking part marks the cabinet body.
Further, the mark part includes cylinder, clamp plate, catheter, marker pen and chock, be equipped with in the movable block and store the chamber for store the marker liquid, the cylinder is fixed in the movable block, the clamp plate is located and stores the intracavity, and the side surface of clamp plate is fixed with the sealing washer, and the clamp plate passes through the sealing washer and stores the lateral wall sliding connection in chamber, the periphery of test bar is equipped with a plurality of marker pen, marker pen is fixed in the stopper, store the chamber and pass through catheter and marker pen intercommunication, it still is equipped with the notes liquid mouth to store the intracavity, when storing the intracavity and filling with the marker liquid, through the chock will annotate the liquid mouth and seal.
The invention has the beneficial effects that: by adopting the insulation detection device for the ring main unit body, before detection, the electromagnet is electrified to generate magnetic force for attracting the ring main unit body, and at the moment, the moving block is placed on one side surface of the ring main unit body, so that the side surface of the ring main unit body is kept in contact with the universal wheels and the end part of the detection part, and the moving block can be ensured not to fall off from the ring main unit body under the action of the suction force of the electromagnet; then combining the connecting block with the connecting groove to enable the connecting block to be in metal connection with the inside of the cabinet body; the grounding end is connected with the ground through a wire, the connecting block is connected with the detection power supply, and therefore when the detection is carried out, if the insulation performance of one place in the cabinet body is poor, current flows through the cabinet body and flows into the ground after passing through the grounding end, the detection part can give an alarm.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of a moving mass in an embodiment of the present invention;
FIG. 3 is an enlarged view of a detection section in the embodiment of the present invention.
The device comprises a cabinet body 1, a connecting groove 2, a connecting block 3, a moving block 4, a universal wheel 5, an electromagnet 6, a grounding end 7, a detection rod 8, a limiting block 9, a fixing block 10, a spring 11, a prompter 12, a current sensor 13, an air cylinder 14, a pressing plate 15, a storage cavity 16, a liquid guide pipe 17, a marking pen 18, a liquid injection port 19 and a plug 20.
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 specific embodiments and the accompanying drawings.
In view of the above objects, the first aspect of the present invention provides an embodiment of an insulation detection device for a ring main unit, as shown in fig. 1, including
The device comprises a moving block 4, a plurality of electromagnets 6 positioned inside the moving block 4 and a plurality of universal wheels 5 positioned at the bottom of the moving block 4;
the controller and the motor are positioned in the moving block 4, and the steering gear is used for driving the universal wheel 5 to steer;
at least one detecting part located on the side of the moving block 4;
a ground terminal 7 fixed to the moving block 4 and electrically connected to the detection unit;
the cabinet comprises a cabinet body 1 and a connecting block 3 matched with a connecting groove 2 arranged on the cabinet body 1;
in the embodiment, before detection, the electromagnet 6 is electrified to generate magnetic force for attracting the cabinet body, and at this time, the moving block 4 is placed on one side surface of the cabinet body 1, so that the side surface of the cabinet body 1 is kept in contact with the universal wheels 5 and the end part of the detection part, and the moving block 4 can be ensured not to fall off from the cabinet body 1 under the action of the attraction force of the electromagnet 6; then combining the connecting block 3 with the connecting groove 2 to connect the connecting block 3 with the inner metal of the cabinet body 1; and pass through the wire with earthing terminal 7 and earth and be connected, connecting block 3 is connected with the detection power, when detecting like this, if when the insulating properties is not good in a place in the cabinet body 1, will have the electric current to flow through from the cabinet body 1, and after earthing terminal 7, flow into in the earth, detection portion just can send out the police dispatch newspaper at this moment, here, controller control motor drive universal wheel 5 rotates, and control the steering gear simultaneously, turn to when the movable block 4 moves to cabinet body 1 edge, through this kind of drive mode, can make this device carry out comprehensive insulating properties to the cabinet body 1 and detect, detection efficiency has been improved.
As an embodiment, as shown in fig. 1 and 3, the detecting portion includes a detecting rod 8, a limiting block 9, a fixed block 10, a spring 11 and a current sensor 13, the limiting block 9 is fixed on a side portion of the moving block 4, the detecting rod 8 is slidably connected to the limiting block 9, the detecting rod 8 is electrically connected to the ground terminal 7, the fixed block 10 is fixed on a side surface of the detecting rod 8, the spring 11 is sleeved on the detecting rod 8 and located between the fixed block 10 and the limiting block 9, one end of the spring 11 is fixed to the fixed block 10, the other end of the spring 11 is fixed to the limiting block 9, when the spring 11 is in a natural state, a length of the detecting rod 8 protruding out of the ground of the moving block 4 is greater than a length of the universal wheel 5 protruding out of the moving block 4, and the current sensor 13 is fixed on a side.
In this embodiment, since the length of the detection rod 8 protruding out of the moving block 4 is greater than the length of the universal wheel 5 protruding out of the moving block 4 when the spring 11 is in a natural state, when detecting, under the suction force of the electromagnet 6 to the cabinet 1, the cabinet first contacts with the detection end of the detection rod 8, and then overcomes the pull rope of the spring 11 to make the universal wheel 5 contact with the cabinet 1, so that the detection rod 8 and the cabinet 1 are stably contacted under the action of the pulling force of the spring 1, when the moving block 4 moves to a certain place of the cabinet 1, the current sensor 13 senses that current passes through the detection rod 8, which indicates that the place has poor insulation performance, and preferably, the current sensor 13 is an ACS712-20A current sensor.
As an embodiment, as shown in fig. 3, the end of the detection rod 8 contacting the cabinet 1 is a hemispherical end, so as to reduce the friction force between the detection rod and the cabinet 1.
As an embodiment, as shown in fig. 1, the detection device further includes a prompter 12, the prompter 12 corresponds to the detection rod 8 one by one and is fixed on the corresponding detection rod 8, and the prompter 12 is electrically connected to the current sensor 13.
In this embodiment, when the current sensor 13 detects that a current passes through the detection rod 8, the prompter 8 sends out a prompt alarm, so that an operator can visually observe whether a place with poor insulation is detected in the detection process.
In one embodiment, the indicator 12 is an LED lamp or a buzzer.
As an embodiment, as shown in fig. 2, four detection bodies are provided, the connecting block 4 is in a rectangular parallelepiped shape, and the four detection bodies are distributed at four corners of the end face of the connecting block 4, so that after one point of the cabinet 1 is detected, another detection part is provided for detecting the detection part, which improves the detection accuracy, and meanwhile, two detection parts are provided above and below the moving block 4, which can detect two upper and lower parts of the cabinet 1 at the same time, thereby improving the detection efficiency.
As an embodiment, the cabinet further comprises a marking portion, the marking portion is disposed around the detection rod 8, and the marking portion is electrically connected to the current sensor 13, and marks the cabinet 1 when the current sensor 13 senses that a current passes through the detection rod 8.
As an embodiment, as shown in fig. 3, the marking portion includes an air cylinder 14, a pressure plate 15, a liquid guide tube 17, a marking pen 18 and a plunger 20, a storage cavity 16 is provided in the moving block 4 for storing a marking liquid, the air cylinder 14 is fixed in the moving block 4, the pressure plate 15 is located in the storage cavity 16, a sealing ring is fixed on a side surface of the pressure plate 15, the pressure plate 15 is slidably connected with a side wall of the storage cavity 16 through the sealing ring, a plurality of marking pens 18 are provided on the periphery of the detection rod 8, the marking pens 18 are fixed on the stop block 9, the storage cavity 16 is communicated with the marking pen 18 through the liquid guide tube 17, a liquid injection port 19 is further provided in the storage cavity 16, and when the storage cavity 16 is filled with the marking liquid, the liquid injection port 19 is sealed through the plunger 20.
In this embodiment, before detection, the stopper 20 needs to be opened first, enough marking liquid is stored in the storage chamber 16, then the liquid injection port is sealed through the stopper 20, and during detection, after a bad part is detected, the air cylinder 14 is started, the pressing plate 15 is pushed, so that the pressing plate pushes the marking liquid to pass through the liquid guide pipe 17 and mark the bad part through the marking pen 28, and thus an operator can quickly locate the position of the bad place, and detection anxiety is improved.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides an insulating detection device of looped netowrk cabinet body, its characterized in that: comprises that
The moving block (4), a plurality of electromagnets (6) positioned in the moving block (4) and a plurality of universal wheels (5) positioned at the bottom of the moving block (4);
the controller and the motor are positioned in the moving block (4), and the steering gear is used for driving the universal wheel (5) to steer;
at least one detection part positioned at the side part of the moving block (4);
a ground terminal (7) fixed to the moving block (4) and electrically connected to the detection unit;
the cabinet comprises a cabinet body (1) and a connecting block (3) matched with a connecting groove (2) arranged on the cabinet body (1);
during detection, the electromagnet (6) is electrified to generate magnetic force for attracting the cabinet body (1), so that the side surface of the cabinet body (1) is kept in contact with the universal wheels (5) and the end part of the detection part; then combining the connecting block (3) with the connecting groove (2) to enable the connecting block (3) to be in metal connection with the inside of the cabinet body (1); the grounding end (7) is connected with the ground through a wire, and the connecting block (3) is connected with a detection power supply; after the operation is finished, the controller controls the motor to drive the universal wheel (5) to rotate, and simultaneously controls the steering gear to steer when the moving block (4) moves to the edge of the cabinet body (1).
2. The insulation detection device for the ring main unit body according to claim 1, wherein: the detection part comprises a detection rod (8), a limiting block (9), a fixed block (10), a spring (11) and a current sensor (13), the limiting block (9) is fixed on the side part of the moving block (4), the detection rod (8) is connected with the limiting block (9) in a sliding mode, the detection rod (8) is electrically connected with a grounding end (7), the fixed block (10) is fixed on the side surface of the detection rod (8), the spring (11) is sleeved on the detection rod (8) and located between the fixed block (10) and the limiting block (9), one end of the spring (11) is fixed on the fixed block (10), the other end of the spring (11) is fixed on the limiting block (9), the length of the detection rod (8) protruding out of the ground of the moving block (4) is larger than the length of the universal wheel (5) protruding out of the moving block (4) when the spring (11) is in a natural state, and the, for sensing the current through the sensing rod (8).
3. The insulation detection device for the ring main unit body according to claim 2, wherein: the end part of the detection rod (8) contacting with the cabinet body (1) is a hemispherical end.
4. The insulation detection device for the ring main unit body according to claim 2, wherein: still include prompting device (12), prompting device (12) and test rod (8) one-to-one to be fixed in on the test rod (8) that corresponds, prompting device (12) and current sensor (13) electric connection current sensor (13) detect that there is the electric current when testing rod (8), prompting device (8) send out the suggestion alarm.
5. The insulation detection device for the ring main unit body according to claim 4, wherein: the prompter (12) adopts an LED lamp or a buzzer.
6. The insulation detection device for the ring main unit body according to claim 1, wherein: the detecting bodies are four, the connecting block (4) is in a cuboid shape, and the four detecting bodies are distributed at four corners of the side end face of the connecting block (4).
7. The insulation detection device for the ring main unit body according to claim 3, wherein: still include the mark portion, the periphery of test rod (8) is equipped with the mark portion, just mark portion and current sensor (13) electric connection current sensor (13) sense when having electric current to pass through from test rod (8), the mark portion marks cabinet body (1).
8. The insulation detection device for the ring main unit body according to claim 7, wherein: the marking part comprises a cylinder (14), a pressure plate (15), a liquid guide pipe (17), a marking pen (18) and a plug block (20), a storage cavity (16) is arranged in the moving block (4), used for storing marking liquid, the air cylinder (14) is fixed in the moving block (4), the pressure plate (15) is positioned in the storage cavity (16), a sealing ring is fixed on the side surface of the pressure plate (15), and the pressure plate (15) is connected with the side wall of the storage cavity (16) in a sliding way through a sealing ring, a plurality of marking pens (18) are arranged on the periphery of the detection rod (8), the marking pen (18) is fixed on the limiting block (9), the storage cavity (16) is communicated with the marking pen (18) through the liquid guide pipe (17), a liquid injection port (19) is also arranged in the storage cavity (16), when the storage chamber (16) is filled with the marking liquid, the liquid filling opening (19) is sealed by the plug (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010026166.6A CN111025003B (en) | 2020-01-10 | 2020-01-10 | Insulating detection device of looped netowrk cabinet body |
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| CN202010026166.6A CN111025003B (en) | 2020-01-10 | 2020-01-10 | Insulating detection device of looped netowrk cabinet body |
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| CN111025003A true CN111025003A (en) | 2020-04-17 |
| CN111025003B CN111025003B (en) | 2022-02-01 |
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Cited By (6)
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| CN111707912A (en) * | 2020-06-12 | 2020-09-25 | 阜阳腾冠电力科技有限公司 | Insulation detection device for power distribution cabinet |
| CN111722146A (en) * | 2020-06-29 | 2020-09-29 | 广东电网有限责任公司东莞供电局 | Power equipment detection device |
| CN112198457A (en) * | 2020-11-06 | 2021-01-08 | 句容申泰电气有限公司 | Testing device for fuse insulating cylinder for ring main unit and using method thereof |
| CN115184754A (en) * | 2022-09-09 | 2022-10-14 | 江苏通强电气设备有限公司 | Insulation detection equipment for power distribution cabinet |
| CN115951187A (en) * | 2023-03-15 | 2023-04-11 | 北京亚能电气设备有限公司 | Safety performance detection equipment for power distribution cabinet |
| CN116643131A (en) * | 2023-07-14 | 2023-08-25 | 北京瑞天恒业科技发展有限公司 | Ring main unit body insulation detection device and use method |
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| CN111707912A (en) * | 2020-06-12 | 2020-09-25 | 阜阳腾冠电力科技有限公司 | Insulation detection device for power distribution cabinet |
| CN111707912B (en) * | 2020-06-12 | 2023-08-22 | 阜阳腾冠电力科技有限公司 | Insulation detection device for switch board |
| CN111722146A (en) * | 2020-06-29 | 2020-09-29 | 广东电网有限责任公司东莞供电局 | Power equipment detection device |
| CN112198457A (en) * | 2020-11-06 | 2021-01-08 | 句容申泰电气有限公司 | Testing device for fuse insulating cylinder for ring main unit and using method thereof |
| CN115184754A (en) * | 2022-09-09 | 2022-10-14 | 江苏通强电气设备有限公司 | Insulation detection equipment for power distribution cabinet |
| CN115184754B (en) * | 2022-09-09 | 2022-12-06 | 江苏通强电气设备有限公司 | Insulation detection equipment for power distribution cabinet |
| CN115951187A (en) * | 2023-03-15 | 2023-04-11 | 北京亚能电气设备有限公司 | Safety performance detection equipment for power distribution cabinet |
| CN115951187B (en) * | 2023-03-15 | 2023-05-09 | 北京亚能电气设备有限公司 | Safety performance detection equipment for power distribution cabinet |
| CN116643131A (en) * | 2023-07-14 | 2023-08-25 | 北京瑞天恒业科技发展有限公司 | Ring main unit body insulation detection device and use method |
| CN116643131B (en) * | 2023-07-14 | 2023-12-29 | 北京瑞天恒业科技发展有限公司 | Ring main unit body insulation detection device and use method |
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| CN111025003B (en) | 2022-02-01 |
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