CN212784891U - Intelligent inspection system for secondary cabinet of transformer substation - Google Patents

Intelligent inspection system for secondary cabinet of transformer substation Download PDF

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Publication number
CN212784891U
CN212784891U CN202021336601.7U CN202021336601U CN212784891U CN 212784891 U CN212784891 U CN 212784891U CN 202021336601 U CN202021336601 U CN 202021336601U CN 212784891 U CN212784891 U CN 212784891U
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secondary cabinet
sub
lifting device
plc
camera
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CN202021336601.7U
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白旭
马文奎
庞继成
宋祉明
郝文海
赵宝柱
张瑞强
李军
王涛涛
李成杰
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Hebei Nengrui Technology Co ltd
Baotou Power Supply Bureau Of Inner Mongolia Power Group Co ltd
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Hebei Nengrui Technology Co ltd
Baotou Power Supply Bureau Of Inner Mongolia Power Group Co ltd
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Abstract

The utility model relates to an intelligent inspection system for a secondary cabinet of a transformer substation, which comprises a central processing unit, a main switch, a PLC controller, a plurality of sub-switches and a plurality of liftable image acquisition equipment groups for acquiring images of the secondary cabinet of the transformer substation; the number of the sub-switches is the same as that of the image acquisition equipment groups; all the sub-switches are electrically connected with all the image acquisition equipment groups in a one-to-one correspondence mode, all the sub-switches are all connected with the main switch in a communication mode through the PLC, and the main switch is electrically connected with the central processing unit. The utility model discloses can realize the long-range synchronous acquisition of all secondary cabinet images, whole synchronous acquisition process is parallel, does not have the time difference between the secondary cabinet image of collection, is the secondary cabinet image at same moment, and it is high to patrol and examine the real-time, is favorable to subsequent data analysis, effectively improves and patrols and examines the degree of accuracy.

Description

Intelligent inspection system for secondary cabinet of transformer substation
Technical Field
The utility model relates to a transformer substation monitoring technology field, in particular to transformer substation's secondary cabinet intelligence system of patrolling and examining.
Background
The substation secondary cabinet is a device for monitoring and protecting the operation conditions of primary equipment and a system. At present, the inspection of secondary equipment of most transformer substations depends on the indication states of all secondary equipment which are regularly inspected by operators on duty, and whether the operation condition of a transformer substation system is normal or not is comprehensively judged. However, the manual inspection consumes a lot of manpower, material resources and time, the inspection cycle is long, and the abnormality of the equipment cannot be found in time.
Therefore, the unmanned inspection robot replaces the traditional manual inspection mode, the appearance of the secondary cabinet is obtained through the inspection robot, and the indication state of the secondary equipment in the secondary cabinet is analyzed through the computer vision technology. However, this approach has the following drawbacks: the inspection robot simulates a manual inspection mode, the whole process is a serial process, time difference exists between the acquired secondary cabinet images, the secondary cabinet images are not in the same state at the same moment, the difficulty of subsequent analysis is increased, the obtained monitoring result is not real-time, and the accuracy is not enough.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transformer substation's secondary cabinet intelligence system of patrolling and examining has solved and has patrolled and examined among the prior art the real-time poor with the not enough technical problem of the degree of accuracy.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
an intelligent inspection system for a secondary cabinet of a transformer substation comprises a central processing unit, a main switch, a PLC (programmable logic controller), a plurality of sub-switches and a plurality of liftable image acquisition equipment groups for acquiring images of the secondary cabinet of the transformer substation; the number of the sub-switches is the same as that of the image acquisition equipment groups;
all the sub-switches are electrically connected with all the image acquisition equipment groups in a one-to-one correspondence mode, all the sub-switches are all connected with the main switch in a communication mode through the PLC, and the main switch is electrically connected with the central processing unit.
The utility model has the advantages that: the central processing unit sends an instruction (inspection instruction for short) for inspecting the secondary cabinet of the transformer substation to the PLC through the main switch, the PLC distributes the inspection instruction to a sub-switch needing to perform inspection, and finally the sub-switch transmits the inspection instruction to a corresponding image acquisition equipment group to drive the image acquisition equipment group to acquire images of the secondary cabinet of the transformer substation in the area; after the image acquisition equipment group acquires images, transmitting the acquired transformer substation secondary cabinet images to the main switch through the corresponding sub-switches, and then transmitting the images to the central processing unit to analyze, process and identify the transformer substation secondary cabinet images so as to realize intelligent routing inspection of the transformer substation secondary cabinet; the inspection instruction comprises an image acquisition instruction, and the central processing unit, the main switch, the PLC, each sub-switch and each image acquisition equipment group are respectively provided with power supply equipment;
the utility model discloses a transformer substation's secondary cabinet intelligence system of patrolling and examining can distribute solitary image acquisition equipment group for every secondary cabinet or every regional secondary cabinet, realizes the long-range synchronous acquisition of all secondary cabinet images, and whole synchronous acquisition process is parallel, does not have the time difference between the secondary cabinet image of collection, is the secondary cabinet image at same moment, and it is high to patrol and examine the real-time, is favorable to subsequent data analysis, effectively improves and patrols and examines the degree of accuracy.
On the basis of the technical scheme, the utility model discloses there is following improvement in addition:
further: the PLC controller comprises a microprocessor, a programmer, a PLC input circuit and a plurality of PLC output circuits;
the programmer, PLC input circuit and all PLC output circuit equally divide respectively with the microprocessor electricity is connected, PLC input circuit with main switch communication connection, PLC output circuit's quantity with the quantity of private branch exchange is the same, and all PLC output circuit with all private branch exchange one-to-one communication connection.
The beneficial effects of the further technical scheme are as follows: through a microprocessor (namely an MCU in a PLC controller), a patrol instruction sent to the main switch by the central processing unit is conveniently executed and distributed to a PLC output circuit, and the patrol instruction is sent to the corresponding sub-switch through the PLC output circuit; through the PLC input circuit and the PLC output circuit, the receiving and the sending of the instructions are facilitated; the programmer is convenient for editing, checking, modifying and monitoring the inspection instruction, and is convenient for realizing the subsequent remote fine control of the image acquisition equipment group; through above-mentioned PLC controller (can program logic controller), it is more accurate to the remote control of the image acquisition equipment group of grouping subregion, has effectively improved the efficiency of patrolling and examining of transformer substation's secondary cabinet.
Further: each image acquisition equipment group comprises at least one lifting camera component, and each lifting camera component comprises a camera, a camera base, an automatic lifting device and a lifting device top seat;
in each lifting camera assembly, the camera is fixed at the lower end of the automatic lifting device through the camera base and can be automatically lifted along with the automatic lifting device in the vertical direction; the lifting device top seat is arranged at the upper end of the automatic lifting device, and the automatic lifting device is connected with the ceiling of a plant where the secondary cabinet of the transformer substation is located through the lifting device top seat; the camera and the automatic lifting device are respectively and electrically connected with the corresponding sub-switch.
The beneficial effects of the further technical scheme are as follows: the image acquisition equipment group formed by at least one lifting camera component is convenient for carrying out grouped and zoned image acquisition on each secondary cabinet or each regional secondary cabinet, so that the aim of parallel inspection in zones is fulfilled; the lifting camera component can realize the lifting function, and can change the shooting position when the secondary cabinet in the area corresponding to the component is subjected to image acquisition every time, so that a more complete and high-quality secondary cabinet image can be obtained, the accuracy of subsequent image analysis can be improved conveniently, and the inspection accuracy is further improved; the camera is fixed at the lower end of the automatic lifting device through the camera base, so that the camera can automatically lift in the vertical direction along with the automatic extension and retraction of the automatic lifting device; the upper end of the automatic lifting device is connected with the ceiling of the plant through the lifting device top seat, so that the whole lifting camera assembly is fixed on the ceiling, on one hand, the image of a secondary cabinet in a corresponding area is conveniently shot by automatically lifting below the ceiling in the actual lifting process, on the other hand, the whole lifting camera assembly can be conveniently lifted back to the ceiling when the work is stopped, and the indoor attractiveness of the whole substation plant is ensured; correspondingly, the inspection instruction can also comprise a camera lifting instruction; the number of the lifting camera assemblies contained in each image acquisition equipment group can be selected and adjusted according to actually divided areas in the plant.
Further: the lifting camera assembly further comprises a light supplement lamp;
in each lifting camera assembly, the light supplementing lamp is fixed at the lower end of the automatic lifting device through the camera base, and the light supplementing lamp is electrically connected with the corresponding sub-switch.
The beneficial effects of the further technical scheme are as follows: when the lifting camera assembly is used for collecting images of the secondary cabinet, poor light can occur, the image collection can be facilitated by turning on the light supplement lamp, and the quality of the collected images of the secondary cabinet is effectively improved; the light supplementing lamp is fixed on the camera base along with the camera, so that the camera can be supplemented with light when being positioned at any position; correspondingly, the inspection instruction can also comprise a light supplement instruction.
Further: a guide rail in the horizontal direction is laid on the ceiling of a plant where the secondary cabinet of the transformer substation is located, and the lifting camera assembly further comprises a sliding block and a motor;
in each lifting camera assembly, the motor is fixedly arranged on one side of the lifting device top seat, the sliding block is arranged at the upper end of the lifting device top seat, an output shaft of the motor is in transmission connection with the sliding block, and the automatic lifting device and the lifting device top seat horizontally slide on the guide rail through the sliding block; the motor is electrically connected with the corresponding sub-switch.
The beneficial effects of the further technical scheme are as follows: because the area of the lifting camera assembly which is responsible for shooting images possibly comprises a plurality of secondary cabinets, and the secondary cabinets have certain volumes, when the lifting camera assembly shoots, the situation that the secondary cabinets can not shoot at certain angles can occur, the whole lifting camera assembly can slide on the guide rail by laying the guide rail in the horizontal direction on the ceiling and arranging the slide block and the motor on the lifting device top seat in the lifting camera assembly through driving the slide block by the motor, so that the horizontal movement of the lifting camera assembly when shooting images of the secondary cabinets is realized, the acquisition of the images of the secondary cabinets is further facilitated, the image quality is improved, and the inspection accuracy is further improved; correspondingly, the inspection instruction can also comprise a sliding instruction.
Further: the device also comprises a display and an alarm;
the display and the alarm are electrically connected with the central processing unit respectively.
The beneficial effects of the further technical scheme are as follows: after the image acquisition equipment group acquires the secondary cabinet image, the sub-switch and the main switch are used for transmitting the acquired image to the central processing unit for analysis, processing and identification to obtain an inspection result, and the inspection result can be displayed through the display so that an inspector can intuitively master the inspection result in real time; when the inspection result is abnormal, the alarm can be used for alarming, and inspection personnel can be informed to process the inspection result, so that the intelligent inspection effect is improved.
Further: the photoelectric conversion device also comprises a first photoelectric converter and a second photoelectric converter;
the first photoelectric converter is electrically connected with the public connecting ends of all the sub-switches, the second photoelectric converter is electrically connected with the main switch, and all the sub-switches are respectively in direct communication connection with the main switch sequentially through the first photoelectric converter and the second photoelectric converter.
The beneficial effects of the further technical scheme are as follows: because direct communication between sub-exchange and the main exchange adopts optic fibre usually, therefore, through first photoelectric converter, be convenient for convert the signal of telecommunication in the sub-exchange into optical signal, and transmit for second photoelectric converter through optic fibre, rethread second photoelectric converter, be convenient for convert the optical signal in the optic fibre into the signal of telecommunication again, transmit for the main exchange, thereby be convenient for transmit the secondary cabinet image transmission that image acquisition equipment group gathered for central processing unit and carry out the analysis, guarantee going on smoothly that intelligence was patrolled and examined.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent inspection system for a secondary cabinet of a transformer substation in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a PLC controller in an embodiment of the present invention;
fig. 3 is a schematic structural view of a lifting camera assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural view of another elevating camera assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another intelligent inspection system for a secondary cabinet of a transformer substation in the embodiment of the present invention;
fig. 6 is a schematic circuit connection diagram of the first photoelectric converter and the second photoelectric converter in the embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. central processing unit, 2, main switch, 3, PLC controller, 4, sub-switch, 5, image acquisition equipment group, 6, display, 7, alarm, 8, first photoelectric converter, 9, second photoelectric converter, 31, microprocessor, 32, programmer, 33, PLC input circuit, 34, PLC output circuit, 51, camera, 52, camera base, 53, automatic lifting device, 54, elevating gear footstock, 55, light filling lamp, 56, slider, 57, motor.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The present invention will be described with reference to the accompanying drawings.
In an embodiment, as shown in fig. 1, an intelligent inspection system for a secondary cabinet of a transformer substation comprises a central processing unit 1, a main switch 2, a PLC controller 3, a plurality of sub-switches 4 and a plurality of image acquisition equipment sets 5 for acquiring images of the secondary cabinet of the transformer substation; the number of the sub-switches 4 is the same as that of the image acquisition equipment groups 5;
all sub-switch 4 with all 5 one-to-one electricity of image acquisition equipment group are connected, all sub-switch 4 all passes through PLC controller 3 respectively with 2 communication connection of main switch, all sub-switch 4 still equally divide respectively with 2 direct communication connection of main switch, main switch 2 with central processing unit 1 electricity is connected.
The working principle of the intelligent inspection system for the secondary cabinet of the transformer substation is as follows:
the central processing unit sends an instruction (inspection instruction for short) for inspecting the secondary cabinet of the transformer substation to the PLC through the main switch, the PLC distributes the inspection instruction to a sub-switch needing to perform inspection, and finally the sub-switch transmits the inspection instruction to a corresponding image acquisition equipment group to drive the image acquisition equipment group to acquire images of the secondary cabinet of the transformer substation in the area; after the image acquisition equipment group acquires the images, the acquired transformer substation secondary cabinet images are transmitted to the main switch through the corresponding sub-switches and then transmitted to the central processing unit, and the transformer substation secondary cabinet images are analyzed, processed and identified, so that the intelligent routing inspection of the transformer substation secondary cabinet is realized.
The utility model discloses a transformer substation's secondary cabinet intelligence system of patrolling and examining can distribute solitary image acquisition equipment group for every secondary cabinet or every regional secondary cabinet, realizes the long-range synchronous acquisition of all secondary cabinet images, and whole synchronous acquisition process is parallel, does not have the time difference between the secondary cabinet image of collection, is the secondary cabinet image at same moment, and it is high to patrol and examine the real-time, is favorable to subsequent data analysis, effectively improves and patrols and examines the degree of accuracy.
Specifically, the inspection instruction in the embodiment includes, but is not limited to, an image acquisition instruction; the central processing unit, the main switch, the PLC, each sub-switch and each image acquisition equipment group are provided with respective power supply equipment; the concrete method that central processing unit carries out analysis, processing and discernment to transformer substation's secondary cabinet image is prior art, the utility model discloses do not relate to computer program's improvement.
Preferably, as shown in fig. 2, the PLC controller 3 includes a microprocessor 31, a programmer 32, a PLC input circuit 33, and a plurality of PLC output circuits 34;
programmer 32, PLC input circuit 33 and all PLC output circuit 34 equally divide respectively with microprocessor 31 is connected, PLC input circuit 33 with main switch 2 communication connection, the quantity of PLC output circuit 34 with the quantity of sub-switch 4 is the same, and all PLC output circuit 34 with all sub-switch 4 one-to-one communication connection.
Through a microprocessor (namely an MCU in a PLC controller), a patrol instruction sent to the main switch by the central processing unit is conveniently executed and distributed to a PLC output circuit, and the patrol instruction is sent to the corresponding sub-switch through the PLC output circuit; through the PLC input circuit and the PLC output circuit, the receiving and the sending of the instructions are facilitated; the programmer is convenient for editing, checking, modifying and monitoring the inspection instruction, and is convenient for realizing the subsequent remote fine control of the image acquisition equipment group; through above-mentioned PLC controller (can program logic controller), it is more accurate to the remote control of the image acquisition equipment group of grouping subregion, has effectively improved the efficiency of patrolling and examining of transformer substation's secondary cabinet.
Preferably, as shown in fig. 3, each of the image capturing device groups 5 includes at least one elevating camera assembly, and the elevating camera assembly includes a camera 51, a camera base 52, an automatic elevating device 53 and an elevating device top base 54;
in each of the elevating camera assemblies, the camera 51 is fixed at the lower end of the automatic elevating device 53 through the camera base 52 and can be automatically elevated in the vertical direction along with the automatic elevating device 53; the lifting device top seat 54 is arranged at the upper end of the automatic lifting device 53, and the automatic lifting device 53 is connected with the ceiling of the plant where the secondary cabinet of the transformer substation is located through the lifting device top seat 54; the camera 51 and the automatic lifting device 53 are respectively electrically connected with the corresponding sub-switch 4.
The image acquisition equipment group formed by at least one lifting camera component is convenient for carrying out grouped and zoned image acquisition on each secondary cabinet or each regional secondary cabinet, so that the aim of parallel inspection in zones is fulfilled; the lifting camera component can realize the lifting function, and can change the shooting position when the secondary cabinet in the area corresponding to the component is subjected to image acquisition every time, so that a more complete and high-quality secondary cabinet image can be obtained, the accuracy of subsequent image analysis can be improved conveniently, and the inspection accuracy is further improved; the camera is fixed at the lower end of the automatic lifting device through the camera base, so that the camera can automatically lift in the vertical direction along with the automatic extension and retraction of the automatic lifting device; and automatic lifting device's upper end is passed through the lifting device footstock and is connected with the ceiling of factory building, can be so that whole lift camera subassembly is fixed on the ceiling, on the one hand be convenient for at the actual lift in-process, be in the secondary cabinet of ceiling below automatic rising to corresponding region and shoot the image, on the other hand be convenient for when the stop work, can make whole lift camera subassembly rise back to the ceiling position, guarantee that the indoor of whole transformer substation's factory building is pleasing to the eye.
Specifically, the inspection instruction in this embodiment may further include a camera lifting instruction; the number of the lifting camera assemblies contained in each image acquisition equipment group can be selected and adjusted according to actually divided areas in a factory building, and the automatic lifting device in the lifting camera assembly is a lifting rod capable of automatically stretching according to a lifting instruction.
Preferably, as shown in fig. 4, the lifting camera assembly further includes a fill-in light 55;
in each of the elevating camera assemblies, the light supplement lamp 55 is fixed to the lower end of the automatic elevating device 53 through the camera base 52, and the light supplement lamp 55 is electrically connected to the corresponding sub-switch 4.
When the lifting camera assembly is used for collecting images of the secondary cabinet, poor light can occur, the image collection can be facilitated by turning on the light supplement lamp, and the quality of the collected images of the secondary cabinet is effectively improved; the light filling lamp is fixed on the camera base along with the camera, and can guarantee to carry out the light filling to the camera when being in any position.
Specifically, the inspection instruction in this embodiment further includes a light supplement instruction.
Preferably, as shown in fig. 4, a horizontal guide rail is laid on the ceiling of the plant where the secondary cabinet of the transformer substation is located, and the lifting camera assembly further includes a slider 56 and a motor 57;
in each of the elevating camera assemblies, the motor 57 is fixedly disposed at one side of the elevating device top base 54, the slider 56 is disposed at the upper end of the elevating device top base 54, an output shaft of the motor 57 is in transmission connection with the slider 56, and the automatic elevating device 53 and the elevating device top base 54 horizontally slide on the guide rail through the slider 56; the motor 57 is electrically connected to the corresponding sub switch 4.
Because the area that a lift camera subassembly was responsible for shooting the image probably contains a plurality of secondary cabinets, and the secondary cabinet all has the volume of a take size, the lift camera subassembly is when shooting, the condition that secondary cabinet's angle was not shot some can appear, through the guide rail of laying the horizontal direction on the ceiling, and slider and the motor that sets up on the elevating gear footstock in the lift camera subassembly, through motor drive slider, can be so that whole lift camera subassembly slides on the guide rail, the removal of horizontal direction when the realization lift camera is shooting secondary cabinet image, the collection of secondary cabinet image of further being convenient for, improve image quality, and then improve and patrol and examine the degree of accuracy.
Specifically, the inspection instruction in this embodiment may further include a slide instruction.
Preferably, as shown in fig. 5, the device further comprises a display 6 and an alarm 7;
the display 6 and the alarm 7 are respectively electrically connected with the central processing unit 1.
After the image acquisition equipment group acquires the secondary cabinet image, the sub-switch and the main switch are used for transmitting the acquired image to the central processing unit for analysis, processing and identification to obtain an inspection result, and the inspection result can be displayed through the display so that an inspector can intuitively master the inspection result in real time; when the inspection result is abnormal, the alarm can be used for alarming, and inspection personnel can be informed to process the inspection result, so that the intelligent inspection effect is improved.
Preferably, as shown in fig. 6, a first photoelectric converter 8 and a second photoelectric converter 9 are further included;
the first photoelectric converter 8 is electrically connected with the public connecting ends of all the sub-switches 4, the second photoelectric converter 9 is electrically connected with the main switch 2, and all the sub-switches 4 are respectively in direct communication connection with the main switch 2 sequentially through the first photoelectric converter 8 and the second photoelectric converter 9.
Because direct communication between sub-exchange and the main exchange adopts optic fibre usually, therefore, through first photoelectric converter, be convenient for convert the signal of telecommunication in the sub-exchange into optical signal, and transmit for second photoelectric converter through optic fibre, rethread second photoelectric converter, be convenient for convert the optical signal in the optic fibre into the signal of telecommunication again, transmit for the main exchange, thereby be convenient for transmit the secondary cabinet image transmission that image acquisition equipment group gathered for central processing unit and carry out the analysis, guarantee going on smoothly that intelligence was patrolled and examined.
Specifically, the central processing unit in this embodiment is a computer, and the CPU of the computer is Xeon bank 4110, and further includes a memory of DDR416G, a hard disk of 600G, and a gigabit network card; the main switch and the sub-switches are kilomega switches and comprise 48 kilomega ports, double power supplies and double fans; the PLC controller is specifically an S7-400 series PLC controller; the secondary cabinet comprises 86 high-definition cameras in total, and the 86 high-definition cameras are grouped into a plurality of image acquisition equipment groups according to the actual conditions of the secondary cabinet such as zoning or grouping; the light supplement lamp, the motor and the alarm can select appropriate signals in the market according to actual conditions, and the signals are not listed; the display is a 70-inch large-screen display device, specifically is an infrared 10-point touch screen, is internally provided with a 4G PC (personal computer) with a memory and a 120G solid state disk, and comprises at least 2 paths of USB (universal serial bus) interfaces, at least 1 path of HDMI (high-definition multimedia interface), at least one path of VGA (video graphics array) interface and at least 7 paths of shortcut buttons; the first photoelectric converter and the second photoelectric converter are a pair of gigabit photoelectric converters, and a commercially available gigabit photoelectric converter, such as TL-FC311A/B-3 of TP-LINK, can be selected.
It should be noted that the utility model discloses in the communication protocol and the software program that adopt be common protocol and computer program among the prior art, the utility model discloses do not relate to the improvement to computer program, based on central processing unit and the PLC controller in this embodiment, combine communication protocol and software program among the prior art, can realize the synchronous collection of parallel secondary cabinet image, effectively improve and patrol and examine the real-time and patrol and examine the degree of accuracy.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The intelligent inspection system for the secondary cabinet of the transformer substation is characterized by comprising a central processing unit (1), a main switch (2), a PLC (programmable logic controller) controller (3), a plurality of sub-switches (4) and a plurality of image acquisition equipment groups (5) for acquiring images of the secondary cabinet of the transformer substation; the number of the sub-switches (4) is the same as that of the image acquisition equipment groups (5);
all sub-switch (4) and all image acquisition equipment group (5) one-to-one electricity is connected, all sub-switch (4) all pass through PLC controller (3) respectively with main switch (2) communication connection, all sub-switch (4) still equally divide respectively with main switch (2) direct communication connection, main switch (2) with central processing unit (1) electricity is connected.
2. The substation secondary cabinet intelligent inspection system according to claim 1, wherein the PLC controller (3) comprises a microprocessor (31), a programmer (32), a PLC input circuit (33) and a plurality of PLC output circuits (34);
programmer (32) PLC input circuit (33) and all PLC output circuit (34) equally divide respectively with microprocessor (31) electricity is connected, PLC input circuit (33) with main switch (2) communication connection, the quantity of PLC output circuit (34) with the quantity of private branch exchange (4) is the same, and all PLC output circuit (34) with all private branch exchange (4) one-to-one communication connection.
3. The substation secondary cabinet intelligent inspection system according to claim 1, wherein each image acquisition equipment group (5) comprises at least one lifting camera assembly, and the lifting camera assembly comprises a camera (51), a camera base (52), an automatic lifting device (53) and a lifting device top seat (54);
in each lifting camera assembly, the camera (51) is fixed at the lower end of the automatic lifting device (53) through the camera base (52) and can be automatically lifted and lowered along with the automatic lifting device (53) in the vertical direction; the lifting device top seat (54) is arranged at the upper end of the automatic lifting device (53), and the automatic lifting device (53) is connected with the ceiling of a workshop where the secondary cabinet of the transformer substation is located through the lifting device top seat (54); the camera (51) and the automatic lifting device (53) are respectively electrically connected with the corresponding sub-switch (4).
4. The substation secondary cabinet intelligent inspection system according to claim 3, wherein the lifting camera assembly further comprises a fill light (55);
in each lifting camera assembly, the light supplement lamp (55) is fixed at the lower end of the automatic lifting device (53) through the camera base (52), and the light supplement lamp (55) is electrically connected with the corresponding sub-switch (4).
5. The intelligent inspection system according to claim 3, wherein horizontal guide rails are laid on a ceiling of a plant where the secondary cabinet of the transformer substation is located, and the lifting camera assembly further comprises a sliding block (56) and a motor (57);
in each lifting camera assembly, the motor (57) is fixedly arranged on one side of the lifting device top seat (54), the sliding block (56) is arranged at the upper end of the lifting device top seat (54), the output shaft of the motor (57) is in transmission connection with the sliding block (56), and the automatic lifting device (53) and the lifting device top seat (54) horizontally slide on the guide rail through the sliding block (56); the motor (57) is electrically connected with the corresponding sub-switch (4).
6. The substation secondary cabinet intelligent inspection system according to any one of claims 1 to 5, further comprising a display (6) and an alarm (7);
the display (6) and the alarm (7) are respectively electrically connected with the central processing unit (1).
7. The substation secondary cabinet intelligent inspection system according to any one of claims 1 to 5, further comprising a first photoelectric converter (8) and a second photoelectric converter (9);
the first photoelectric converter (8) is electrically connected with the public connecting ends of all the sub-switches (4), the second photoelectric converter (9) is electrically connected with the main switch (2), and all the sub-switches (4) are respectively in direct communication connection with the main switch (2) through the first photoelectric converter (8) and the second photoelectric converter (9) in sequence.
CN202021336601.7U 2020-07-09 2020-07-09 Intelligent inspection system for secondary cabinet of transformer substation Active CN212784891U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113091667A (en) * 2021-03-30 2021-07-09 中国工商银行股份有限公司 Inspection robot and inspection method
CN114550335A (en) * 2022-02-23 2022-05-27 安徽飞晶电气设备有限公司 Inspection device for internal faults of transformer substation and implementation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113091667A (en) * 2021-03-30 2021-07-09 中国工商银行股份有限公司 Inspection robot and inspection method
CN114550335A (en) * 2022-02-23 2022-05-27 安徽飞晶电气设备有限公司 Inspection device for internal faults of transformer substation and implementation method thereof

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