CN114284873B - Intelligent electric shock control device for anti-misentering armored switch cabinet and control method thereof - Google Patents
Intelligent electric shock control device for anti-misentering armored switch cabinet and control method thereof Download PDFInfo
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- CN114284873B CN114284873B CN202111653733.1A CN202111653733A CN114284873B CN 114284873 B CN114284873 B CN 114284873B CN 202111653733 A CN202111653733 A CN 202111653733A CN 114284873 B CN114284873 B CN 114284873B
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Abstract
The invention relates to an intelligent electric shock control device for an anti-misentering armored switch cabinet and a control method thereof, wherein the intelligent electric shock control device comprises a pyroelectric human body infrared curtain wall sensor, and the pyroelectric human body infrared curtain wall sensor comprises a Fresnel lens and a limiting device for fixing the pyroelectric human body infrared curtain wall sensor; the limiting device comprises two pyroelectric human body infrared curtain wall limiting plates which are respectively positioned at two sides of the Fresnel lens and a base plate for fixing the Fresnel lens, wherein the end parts of the pyroelectric human body infrared curtain wall limiting plates are fixedly connected with the base plate, and an included angle formed by the two fixed pyroelectric human body infrared curtain wall limiting plates and the base plate is 110 degrees. The invention prevents dangerous situations of electric shock when operation and maintenance or operation and inspection personnel enter any electrified armored switch cabinet by mistake in a mode of detecting and warning to cut off the power supply, and solves the situation that the current misoperation-preventive locking system cannot solve.
Description
Technical Field
The invention relates to the technical field of intelligent control of switch cabinets, in particular to an intelligent electric shock control device for an armored switch cabinet capable of preventing false entry and a control method thereof.
Background
The armoured switch cabinet of the power system transformer substation, the distribution network distribution room, the switching station, the ring main unit, the distribution box transformer and the like are all provided with operation high-voltage electrical equipment in the cabinet. The operation and maintenance or operation and inspection personnel can mistakenly enter the electrified armored switch interval, and the security accident teaching and training history of personal electric shock injury or death occurs. By revising safety regulations, perfecting error-proof locking, and aiming at special technical improvement of armored switch cabinets and strengthening on-site personnel monitoring, the probability of occurrence of potential safety hazards is greatly reduced. However, in the case of live wire or bus bar, the current safety error-proofing measures that require operation and inspection personnel to work (overhaul, etc.) near the live position for various reasons have not been fundamentally solved.
The armored switch trolley is in an overhaul position, and due to working requirements, the front cabinet door is inconvenient to use, wrong locking is prevented from being damaged, wrong locking is prevented from being lost, and the like, at least one bus or outgoing line is powered on suddenly, operation and maintenance or operation and inspection personnel enter the electrified interval by mistake or go out of a safety control range when working such as checking and maintenance are carried out beside the cabinet door, and the safety range is difficult to control when guardian monitoring is carried out at a side station, so that the probability of electric shock exceeding the safety range is greatly improved.
Because of the work needs, the line grounding knife is not closed or the rear cabinet door is inconvenient to use, the false lock is prevented from being damaged, the false lock is prevented from being lost, the outgoing line has electricity or suddenly comes, the operation and maintenance personnel or the operation and maintenance personnel enter the electrified rear space by mistake or the operation and maintenance personnel are carried out beside the rear cabinet door, and the like, the safety control range is exceeded, the monitoring of the monitoring personnel by-side station is difficult to control the safety range, and the probability of electric shock exceeding the safety range is greatly improved.
Summarizing the root cause is that the safety range is difficult to define, and when the conventional protective measures are lost, if the safety range is defined by technical means, the actions of informing and warning the whistle to enter the electric shock dangerous area by mistake are performed by voice, so that the safety fence is necessary to be fastened firmly.
Disclosure of Invention
The invention aims to provide an intelligent electric shock control device for an anti-misoperation armored switch cabinet and a control method thereof, which prevent dangerous situations of electric shock caused by misoperation of operation and maintenance or operation and inspection personnel in any electrified armored switch cabinet by detecting a mode of warning and cutting off power supply, and solve the situation that the current anti-misoperation locking system cannot solve.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an intelligent electric shock control device for an anti-misentering armored switch cabinet comprises a pyroelectric human body infrared curtain wall sensor, wherein the pyroelectric human body infrared curtain wall sensor comprises a Fresnel lens and a limiting device for fixing the pyroelectric human body infrared curtain wall sensor;
the limiting device comprises two pyroelectric human body infrared curtain wall limiting plates which are respectively positioned at two sides of the Fresnel lens and a base plate for fixing the Fresnel lens, wherein the end parts of the pyroelectric human body infrared curtain wall limiting plates are fixedly connected with the base plate, and an included angle formed by the two fixed pyroelectric human body infrared curtain wall limiting plates and the base plate is 110 degrees.
As a further improvement of the above technical scheme:
the sensor comprises a base plate, a limiting device and a sensor shell used for fixing the limiting device, wherein the sensor shell is integrally triangular, and the inclined plane of the triangular sensor shell is parallel to the base plate.
The sensor housing is integrally in a right-angle triangle shape and comprises a first right-angle triangle and a second right-angle triangle which are vertically arranged on two sides of a basal plane plate, the first right-angle triangle and the second right-angle triangle are arranged in parallel, right-angle sides of the first right-angle triangle and the second right-angle triangle are integrally formed through connecting plates, an inclined plane opening of the sensor housing is a detection port of the pyroelectric human body infrared curtain wall, and two pyroelectric human body infrared curtain wall limiting plates are respectively fixed at the connecting plates of the two right-angle sides.
The limiting plate of the pyroelectric human body infrared curtain wall and the basal plane are integrally formed.
The base panel and the pyroelectric human body infrared curtain wall limiting plate are both opaque plates.
A control method of an intelligent electric shock control device for an anti-misentering armored switch cabinet specifically comprises the following steps:
(1) An intelligent electric shock control device for preventing the armored switch cabinet from being mistakenly put in is respectively arranged in an outgoing line cabin, a bus cabin and a trolley switch cabin of the switch cabinet;
(2) Acquiring equipment position data information of a bus electrification module and an anti-misoperation locking system, detecting position state information of an outgoing line bin, a bus bin and a trolley switch cabin door of a switch cabinet through a position switch, and judging the position of the cabinet door;
(3) Detecting that the electric shock danger exists in the outlet cabin, opening a rear cabinet door, and when a detector touches a pyroelectric human body infrared curtain wall arranged on the rear cabinet door, controlling a system to alarm and whistle and sound to warn and upload on-site violation information to a safety monitoring department; the rear cabinet door is closed, the control system cuts off alarm whistle, voice warning and uploads information to a safety supervision department loop;
(4) Detecting that the electric shock danger exists in the switch trolley cabin, opening the front cabinet door or the switch trolley is at the overhauling position, and uploading alarm whistle, voice warning and on-site violation information to a safety monitoring department when a detection personnel touches a pyroelectric human body infrared curtain wall arranged in the front cabinet door; the front cabinet door is closed or the switch trolley is at the test position, and the control system disconnects the alarm whistle, the voice warning and the information uploading safety supervision department loop;
(5) Detecting that the electric shock danger exists in the bus cabin, wherein a door of the bus cabin is opened, a person touches a pyroelectric human body infrared curtain wall arranged in the door of the bus cabin, and a control system alarms and whistles, a voice warning and on-site violation information are uploaded to a safety monitoring department; and closing the bus cabin door, and disconnecting the alarm whistle, the voice warning and the information uploading safety supervision department loop by the control system.
According to the technical scheme, the intelligent electric shock control device for the anti-misoperation armored switch cabinet is simple in structure and convenient to install, an original pyroelectric human body infrared curtain wall sensor is fixed in a sensor shell through a limiting device, the detection range of the sensor is enlarged, the sensor is conveniently installed through a right-angle shell, and the detection range is enlarged. The heat release human body infrared curtain wall sensors arranged in the front cabinet door, the rear cabinet door and the bus cabin cabinet door of the armored switch cabinet can prevent dangerous situations that operation and maintenance or operation and detection personnel mistakenly enter any electrified armored switch cabinet to generate electric shock in a mode of cutting off power supply through voice warning, whistle warning and final tripping, and solve the problem that the current misoperation-preventive locking system cannot solve.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a view of the pyroelectric human body infrared curtain wall perception of the present invention;
FIG. 3 is a position diagram of the invention installed in a switchgear cabinet;
FIG. 4 is a schematic diagram of the detection range of the pyroelectric human body infrared wall formation of the present invention;
fig. 5 is a control schematic diagram of the intelligent electric shock control device for the misentering armored switch cabinet.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, the intelligent electric shock control device for the anti-false armoured switch cabinet of the embodiment comprises a pyroelectric human body infrared curtain wall sensor 1, wherein the pyroelectric human body infrared curtain wall sensor consists of a fresnel lens, an optical filter, a pyroelectric detecting element, a preamplifier and the like, the pyroelectric human body infrared curtain wall sensor belongs to the prior art, and the limiting device 2 for fixing the pyroelectric human body infrared curtain wall sensor 1 is added on the pyroelectric human body infrared curtain wall sensor.
The fresnel lens 11 is one of the components of the pyroelectric human body infrared curtain wall sensor 1, and the other components of the sensor are inside the fresnel lens 11, so that only the fresnel lens 11 component is shown in fig. 1 of the present embodiment, and the other components are omitted.
As shown in fig. 1, the limiting device 2 of this embodiment includes two pyroelectric human body infrared curtain wall limiting plates 21 respectively located at two sides of the fresnel lens 11 and a base plate 22 for fixing the fresnel lens 11, wherein the ends of the pyroelectric human body infrared curtain wall limiting plates 21 are fixedly connected with the base plate 22 by glue, and an included angle a formed by the fixed two pyroelectric human body infrared curtain wall limiting plates 21 and the base plate 22 is 110 degrees. The limiting plate 21 and the basal plane plate 22 of the pyroelectric human body infrared curtain wall can be made of plastic, composite plates or other opaque materials.
In order to facilitate the fixation of the two pyroelectric human body infrared curtain wall limiting plates 21 and the basal plane plate 22, the embodiment is also provided with a sensor shell 3 for fixing the limiting device 2, and the structure of the sensor shell 3 can be in different shapes, so long as the limiting device 2 can be conveniently fixed.
The sensor housing 3 of the embodiment is integrally triangular, and the inclined plane 34 of the triangular sensor housing 3 is arranged in parallel with the base panel 22, so that the pyroelectric human body infrared curtain wall sensor can conveniently realize the detection function through the detection port. The whole sensor housing 3 is in a right-angle triangle shape, and comprises a first right-angle triangle 31 and a second right-angle triangle 32 which are vertically arranged on two sides of the base panel 22, the first right-angle triangle 31 and the second right-angle triangle 32 are arranged in parallel, right-angle sides of the first right-angle triangle 31 and the second right-angle triangle 32 are integrally formed through a connecting plate 33, an opening of an inclined plane 34 of the sensor housing 3 is a pyroelectric human body infrared curtain wall detection port, and two pyroelectric human body infrared curtain wall limiting plates 21 are respectively fixed at the connecting plates 33 of the two right-angle sides. Because the cabinet door of switch board is rectangle, its four corners all are the right angle, and sensor housing 3 of this embodiment adopts right triangle in order better fixed in the door angle position of switch board, conveniently prevents mistake income armoured switch cabinet electric shock intelligence management and control device holistic installation.
The limiting plate 21 and the basal plane plate of the pyroelectric human body infrared curtain wall of the embodiment are integrally formed, and the sensor shell 3, the pyroelectric human body infrared curtain wall sensor 1 and the limiting device 2 are integrally formed.
Fig. 2 is a view of the pyroelectric human body infrared curtain wall, and as shown in the drawing, when the control device of the present embodiment is installed at the corner of the cabinet frame of the switch cabinet, the detection range of the pyroelectric human body infrared curtain wall closes the whole cabinet door, 4 in fig. 2 indicates the detection boundary of the pyroelectric sensor, 5 indicates the cabinet frame, 6 indicates the cabinet door frame, and 7 indicates the protection range.
Fig. 3 is a position diagram of the intelligent electric shock control device of the armored switch cabinet, which is installed in the switch cabinet, and as shown in fig. 3, fig. 3 is a schematic diagram of the switch cabinet, and the intelligent electric shock control device comprises a rear outlet bin 80, a bus bin 81, a protection small chamber 82, a trolley switch bin 83 and an outlet 84. When the intelligent electric shock management and control device 10 of the anti-misentering armored switch cabinet of the embodiment is installed in the rear outlet bin 80 and the trolley switch bin 83, when someone touches the pyroelectric human body infrared curtain wall installed on the rear cabinet door, the pyroelectric human body infrared curtain wall 9 is formed, and the detection range of the intelligent electric shock management and control device covers the whole cabinet door.
The intelligent electric shock control device for the anti-misoperation armored switch cabinet is arranged in the front cabinet door, the rear cabinet door and the bus cabin door of the armored switch cabinet, and the implementation method is as follows:
(1) The safety control method in the rear cabinet of the switch cabinet comprises the following steps: the whole control system is always in a working state, the electric shock danger exists in the outlet cabin, the rear cabinet door is opened, a person touches the pyroelectric human body infrared curtain wall arranged on the rear cabinet door, and the control system alarms and whistles, voice warning and on-site violation information uploading safety monitoring departments; and the rear cabinet door is closed, and the control system disconnects an alarm whistle, a voice warning and information uploading safety supervision department loop.
(2) The safety control method in the front cabinet of the whole switch cabinet comprises the following steps: the whole control system is always in a working state, the electric shock danger exists in the switch trolley cabin, the front cabinet door is opened or the switch trolley is in an overhaul position, a person touches the pyroelectric human body infrared curtain wall arranged in the front cabinet door, and the control system alarms and whistles, voice warning and on-site violation information are uploaded to a safety monitoring department; the front cabinet door is closed or the switch trolley is at the test position, and the control system disconnects the alarm whistle, the voice warning and the information uploading safety supervision department loop.
(3) The control method for preventing the error entering the electrified bus cabin comprises the following steps: the control system is always in a working state, detects that the electric shock danger exists in the bus cabin, the opening position of the bus cabin door, and a person touches the pyroelectric human body infrared curtain wall arranged in the bus cabin door, and the control system alarms and whistles, voice warning and on-site violation information are uploaded to the safety monitoring department; and closing the bus cabin door, and disconnecting the alarm whistle, the voice warning and the information uploading safety supervision department loop by the control system.
In order to realize detection of different sources or different detection modes to improve detection reliability, the position state of the cabinet door before detection, the position state of the cabinet door after detection and the position state of the cabinet door of the bus are respectively judged by the independent detection results of the position switch, and the control module is transmitted in a switching value mode.
Pyroelectric human body infrared curtain wall sensors for detecting the entering of operation and maintenance or operation and detection personnel into the front cabinet door, the rear cabinet door and the bus cabin door are respectively uploaded to the control module through RS485 communication or switching value.
The operation result of the control module is that when an operation and maintenance person or an operation and inspection person mistakenly enters the belt interval, the control module carries out real-person voice warning whistle warning through RS485 communication and warns in front of the corresponding cabinet door. And uploading operation and maintenance or error entering of operation and inspection personnel into the violation information with interval through RS485 communication, and recording and reporting to the security supervision and management department in real time.
The fully-closed pyroelectric human body infrared curtain wall and the intelligent control logic for detection, which are formed by the pyroelectric human body infrared curtain wall sensor and prevent electric shock caused by the fact that the human body infrared curtain wall sensor is mistakenly put into an electrified cabin and exceeds a safety range, prevent dangerous situations that operation and maintenance or operation and inspection personnel mistakenly put into any electrified armored switch cabinet are caused by the mode of voice warning, whistle warning and final tripping and power cutting. The problem that the current anti-misoperation locking system cannot solve is solved.
Fig. 4 is a schematic diagram of a detection range formed by a pyroelectric human body infrared wall after the intelligent electric shock management and control device for the anti-misentering armored switch cabinet is installed, and as can be seen from the figure, the detection range covers the whole cabinet door.
The method is characterized in that a pyroelectric human body infrared curtain wall is established to implement safety protection, electric shock can occur when electricity is supplied in a cabinet or safety measures are incomplete, when the moving range of operation and maintenance or operation and inspection personnel exceeds a safety zone, the intelligent controlled pyroelectric human body infrared curtain wall is triggered, real-time voice warning and whistle warning are sent out instantly on site, and on-site illegal behaviors are uploaded to a safety management department in real time, so that supervision and management are enhanced. The short plates for preventing misoperation of the current widely-used misoperation prevention system in armored switch equipment are supplemented.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention, which are provided by those skilled in the art, should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. The utility model provides an anti-misoperation goes into armoured cubical switchboard electric shock intelligence management and control device, includes pyroelectric human infrared curtain wall sensor (1), pyroelectric human infrared curtain wall sensor (1) include fresnel lens (11), its characterized in that: the armored switch cabinet electric shock intelligent control device also comprises a limiting device (2) for fixing the pyroelectric human body infrared curtain wall sensor (1);
the limiting device (2) comprises two pyroelectric human body infrared curtain wall limiting plates (21) which are respectively positioned at two sides of the Fresnel lens (11) and a base plate (22) used for fixing the Fresnel lens (11), the two pyroelectric human body infrared curtain wall limiting plates (21) form two triangular sides, the side faces of the two pyroelectric human body infrared curtain wall limiting plates (21) are respectively fixedly connected with two ends of the base plate (22), and an included angle formed by the two fixed pyroelectric human body infrared curtain wall limiting plates (21) and the base plate (22) is 110 degrees.
2. The intelligent electric shock management and control device for the anti-misentering armored switch cabinet, according to claim 1, is characterized in that: the sensor comprises a base plate (22), and is characterized by further comprising a sensor shell (3) for fixing the limiting device (2), wherein the sensor shell (3) is in a triangular shape as a whole, and an inclined plane (34) of the triangular sensor shell (3) is arranged in parallel with the base plate (22).
3. The intelligent electric shock management and control device for the anti-misentering armored switch cabinet, according to claim 2, is characterized in that: the sensor housing (3) is integrally in a right-angle triangle shape, and comprises a first right-angle triangle (31) and a second right-angle triangle (32) which are vertically arranged on two sides of the base panel (22), the first right-angle triangle (31) and the second right-angle triangle (32) are arranged in parallel, the oblique sides of the first right-angle triangle (31) and the second right-angle triangle (32) are integrally formed through a connecting plate (33), an opening of an inclined plane (34) of the sensor housing (3) is a pyroelectric human body infrared curtain wall detection port, and two pyroelectric human body infrared curtain wall limiting plates (21) are respectively fixed at the connecting plates (33) of the two right-angle sides.
4. The intelligent electric shock management and control device for the anti-misentering armored switch cabinet, according to claim 1, is characterized in that: the pyroelectric human body infrared curtain wall limiting plate (21) and the basal plane plate (22) are integrally formed.
5. The intelligent electric shock management and control device for the anti-misentering armored switch cabinet, according to claim 1, is characterized in that: the base surface plate (22) and the pyroelectric human body infrared curtain wall limiting plate (21) are both opaque plates.
6. The control method of the intelligent electric shock control device for the anti-misentering armored switch cabinet, which is disclosed in claim 1, is characterized in that:
(1) An intelligent electric shock control device for preventing the armored switch cabinet from being mistakenly put in is respectively arranged in an outgoing line cabin, a bus cabin and a trolley switch cabin of the switch cabinet;
(2) Acquiring equipment position data information of a bus electrification module and an anti-misoperation locking system, detecting position state information of an outgoing line bin, a bus bin and a trolley switch cabin door of a switch cabinet through a position switch, and judging the position of the cabinet door;
(3) Judging whether electric shock risks exist in the outlet bin, the bus bin and the trolley switch bin of the switch cabinet according to the detected position state information of the outlet bin, the bus bin and the trolley switch bin of the switch cabinet;
(4) When an electric shock danger exists or the moving range of a detection person exceeds a safety zone, triggering the intelligent controlled pyroelectric human body infrared curtain wall, and sending out real-person voice warning, whistling warning and on-site violation behaviors by a control system and uploading to a safety management department in real time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111653733.1A CN114284873B (en) | 2021-12-30 | 2021-12-30 | Intelligent electric shock control device for anti-misentering armored switch cabinet and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111653733.1A CN114284873B (en) | 2021-12-30 | 2021-12-30 | Intelligent electric shock control device for anti-misentering armored switch cabinet and control method thereof |
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| CN114284873A CN114284873A (en) | 2022-04-05 |
| CN114284873B true CN114284873B (en) | 2024-03-15 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590884A (en) * | 2012-02-15 | 2012-07-18 | 浙江大学 | Human body positioning and following system and method based on pyroelectric infrared sensors |
| WO2018098888A1 (en) * | 2016-11-29 | 2018-06-07 | 美的集团武汉制冷设备有限公司 | Pyroelectric infrared sensing device and electric appliance |
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- 2021-12-30 CN CN202111653733.1A patent/CN114284873B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590884A (en) * | 2012-02-15 | 2012-07-18 | 浙江大学 | Human body positioning and following system and method based on pyroelectric infrared sensors |
| WO2018098888A1 (en) * | 2016-11-29 | 2018-06-07 | 美的集团武汉制冷设备有限公司 | Pyroelectric infrared sensing device and electric appliance |
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