Monitoring system and method for indoor medium-voltage switchgear

Abstract

The invention relates to the technical field of medium-voltage switchgear intelligent management, and discloses an indoor medium-voltage switchgear monitoring system and method.A plurality of first mobile monitoring devices are arranged on an indoor roof, and each first mobile monitoring device comprises a mobile assembly and two sets of first cameras; the two groups of first cameras monitor a plurality of medium-voltage switch cabinet bodies from an indoor roof through a moving assembly and feed back monitored information to a control terminal, a lifting assembly and a second camera are arranged in each medium-voltage switch cabinet body, and the second camera monitors the interior of each medium-voltage switch cabinet body through the lifting assembly. A third camera in the second mobile monitoring equipment moves among the plurality of medium-voltage switch cabinet bodies through a mobile vehicle and feeds back the bottom information of the monitored medium-voltage switch cabinet bodies to the control terminal, and the bottom information of the medium-voltage switch cabinet bodies is monitored through intelligent control and monitoring of the control terminal. And the indoor monitoring capability of the medium-voltage switch equipment is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent management of medium-voltage switchgear, and in particular to a monitoring system and method for indoor medium-voltage switchgear. Background Art

[0002] Medium voltage switchgear is a kind of electrical equipment, also known as medium voltage switchgear; its main function is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and power conversion in the power system. The main components of the medium voltage switchgear are circuit breakers, disconnectors, load switches, operating mechanisms, mutual inductors and various protection devices, etc., which are mainly suitable for different occasions such as power plants, substations, petrochemicals, etc.

[0003] Generally, medium-voltage switchgear is used in large and medium-sized manufacturing enterprises, such as power plants, which are often composed of multiple medium-voltage switchgear. Due to the increase in the number of medium-voltage switchgear and the lack of centralized control over medium-voltage switchgear in most enterprises, it is impossible to remotely monitor the medium-voltage switchgear. It is often necessary for staff to conduct regular inspections to check whether the medium-voltage switchgear is working normally, which greatly increases the workload of the staff. Summary of the invention

[0004] In order to overcome the defects of the prior art, the present invention aims to provide a monitoring system and method for indoor medium-voltage switchgear, so as to solve the technical problem of how to improve the intelligent monitoring of medium-voltage switchgear.

[0005] The present invention is achieved through the following technical solutions:

[0006] In a first aspect, the present invention provides a monitoring system for indoor medium-voltage switchgear, comprising a plurality of first mobile monitoring devices, a medium-voltage switchgear, a second mobile monitoring device and a control terminal;

[0007] The medium-voltage switchgear comprises a plurality of medium-voltage switch cabinets placed indoors; a plurality of first mobile monitoring devices are respectively arranged on the indoor roofs, and are used to monitor the plurality of medium-voltage switch cabinets from the indoor roofs; the second mobile monitoring device is movably arranged between the plurality of medium-voltage switch cabinets, and is used to monitor the bottom of the medium-voltage switch cabinets;

[0008] The first mobile monitoring device comprises a mobile component and two sets of first cameras, the mobile component is arranged on the indoor roof, and the two sets of first cameras are slidably arranged on the mobile component;

[0009] The medium voltage switch cabinet is provided with a lifting assembly and a second camera, the second camera is arranged on the lifting assembly and is used to monitor the interior of the medium voltage switch cabinet;

[0010] The second mobile monitoring device includes a third camera and a mobile vehicle; the third camera is arranged on the mobile vehicle;

[0011] The control end of the control terminal is respectively connected to the first camera, the moving component, the second camera, the lifting component, the third camera and the moving vehicle for communication.

[0012] Preferably, the moving assembly includes a first motor, a slide rail, a first transmission rod, a first slider and a second slider;

[0013] The slide rail is arranged on the indoor roof, the first motor is arranged on the slide rail, the first transmission rod is located on the slide rail, and the driving end of the first motor is connected to the first transmission rod, the first slider and the second slider are respectively mounted on the first transmission rod and slidably arranged on the slide rail, and two groups of first cameras are respectively arranged on the first slider and the second slider.

[0014] Furthermore, a limiter is provided on the slide rail, and the first slider and the second slider are respectively located on both sides of the limiter on the first transmission rod, so as to limit the first slider and the second slider.

[0015] Furthermore, the first transmission rod is provided with an external thread, and the first slider and the second slider are both provided with an internal thread connecting block, and the first slider and the second slider are both threadedly connected to the first transmission rod through the internal thread connecting block, wherein the thread directions of the internal thread connecting blocks of the first slider and the second slider are set in opposite directions.

[0016] Preferably, a cabinet door is provided on the medium-voltage switch cabinet, and the lifting assembly is arranged on the inner side of the cabinet door; the lifting assembly includes a mounting frame, a mounting block, a second transmission rod, a transmission belt, a mounting plate, and a second motor; the mounting frame is arranged on the inner side of the cabinet door, the mounting plate is arranged on the bottom end of the mounting frame, the second motor is arranged on the mounting plate, one end of the second transmission rod is rotatably arranged on the top of the mounting frame, and the other end is rotatably arranged on the mounting plate, the mounting block is threadedly connected to the second transmission rod, the driving end of the motor is connected to the second transmission rod through a transmission belt, and the second camera is arranged on the mounting block.

[0017] Preferably, anti-collision components are respectively provided on both sides of the mobile vehicle; the anti-collision components include a push rod and a frame; the frame is arranged on the outside of the mobile vehicle, and a plurality of balls are respectively provided on both sides of the inner wall of the frame, one end of the push rod extends into the frame, and the balls on both sides of the inner wall of the frame are in rolling contact with both sides of the end of the push rod extending into the frame, and the other end of the push rod is exposed outside the frame.

[0018] Furthermore, a spring is provided on the frame at the side opposite to the side where the push rod is extended, and the end of the push rod extending into the frame abuts against the spring.

[0019] Preferably, the spacing between the plurality of medium voltage switch cabinets is greater than the width of the mobile vehicle.

[0020] Preferably, a controller is provided in the control terminal, the input end of the controller is connected to the output end of the signal input module, the input end of the signal input module is connected to the first camera, the second camera and the third camera; the output end of the controller is provided with the input end of the signal output module; the output end of the signal output module is respectively connected to the input end of the first drive module, the second drive module and the third drive module; the output end of the first drive module is connected to the moving component; the output end of the second drive module is connected to the lifting component; the output end of the third drive module is connected to the moving vehicle.

[0021] In a second aspect, the present invention further provides a monitoring method for an indoor medium-voltage switchgear, based on the above-mentioned monitoring system for an indoor medium-voltage switchgear, comprising the following process:

[0022] The control terminal sends control instructions to the mobile component, the lifting component and the mobile vehicle. After receiving the control instructions, the mobile component drives the two groups of first cameras to monitor several medium-voltage switch cabinets on the indoor roof, and feeds back the monitored information to the control terminal; after receiving the control instructions, the lifting component drives the second camera to monitor the inside of the medium-voltage switch cabinet, and feeds back the monitored information to the control terminal; after receiving the control instructions, the mobile vehicle drives the third camera to monitor between several medium-voltage switch cabinets, and feeds back the monitored information to the control terminal. After receiving the monitoring information fed back by the mobile component, the lifting component and the mobile vehicle, the control terminal completes the monitoring of the indoor medium-voltage switch equipment.

[0023] Compared with the prior art, the present invention has the following beneficial technical effects:

[0024] The present invention provides a monitoring system for indoor medium-voltage switchgear. A plurality of first mobile monitoring devices are respectively arranged on indoor roofs. The first mobile monitoring devices include a mobile component and two groups of first cameras. The two groups of first cameras monitor a plurality of medium-voltage switch cabinets from the indoor roofs through the mobile component, and feed back the monitored information to a control terminal. A lifting component and a second camera are arranged inside the medium-voltage switch cabinet. The second camera monitors the interior of the medium-voltage switch cabinet through the lifting component, and feeds back the monitored information to the control terminal. A third camera in the second mobile monitoring device moves between the plurality of medium-voltage switch cabinets through a mobile vehicle, and feeds back the bottom information of the monitored medium-voltage switch cabinet to the control terminal. Through the intelligent control and monitoring of the control terminal, the monitoring capability of the medium-voltage switchgear indoors is improved.

[0025] Furthermore, in the moving component, a slide rail is arranged on the indoor roof, a first motor is arranged on the slide rail, a first transmission rod is located on the slide rail, and a driving end of the first motor is connected to the first transmission rod, a first slider and a second slider are respectively mounted on the first transmission rod and slidably arranged on the slide rail, and two groups of first cameras are respectively arranged on the first slider and the second slider; the two groups of first cameras are moved on the slide rail on the first slider and the second slider through the first transmission rod, so that comprehensive monitoring of several medium-voltage switch cabinets is achieved.

[0026] Furthermore, a limiter is provided on the slide rail, and the first slider and the second slider are respectively located on both sides of the limiter on the first transmission rod to prevent the first slider and the second slider from colliding during movement and affecting the monitoring effect, thereby protecting the first camera.

[0027] Furthermore, the first transmission rod is provided with an external thread, and the first slider and the second slider are both provided with an internal thread connecting block, and the first slider and the second slider are both threadedly connected to the first transmission rod through the internal thread connecting block, wherein the thread directions of the internal thread connecting blocks of the first slider and the second slider are arranged in opposite directions, so that the two groups of first cameras can move relative to each other when moving, thereby improving the comprehensiveness of monitoring of several medium-voltage switch cabinets.

[0028] Furthermore, the mounting frame is arranged on the inner side of the cabinet door, the mounting plate is arranged at the bottom end of the mounting frame, the second motor is arranged on the mounting plate, one end of the second transmission rod is rotatably arranged on the top of the mounting frame, and the other end is rotatably arranged on the mounting plate, the mounting block is threadedly connected to the second transmission rod, the driving end of the motor is connected to the second transmission rod through a transmission belt, and the second camera is arranged on the mounting block. The second camera is lifted and lowered by the mounting block, the second transmission rod, the transmission belt, the mounting plate and the second motor, thereby effectively ensuring comprehensive monitoring of the inside of the medium voltage switch cabinet.

[0029] Furthermore, anti-collision components are respectively provided on both sides of the mobile vehicle, which can effectively prevent the mobile vehicle from colliding when moving between medium-voltage switch cabinets, thereby affecting the information collection of the third camera, thereby protecting the third camera.

[0030] Furthermore, the spacing between the plurality of medium voltage switch cabinets is greater than the width of the mobile vehicle, so that the mobile vehicle can pass normally between the plurality of medium voltage switch cabinets and is convenient for monitoring by the third camera on the mobile vehicle.

[0031] The present invention also provides a monitoring method for indoor medium-voltage switchgear, wherein a control terminal sends a control command to a mobile component, a lifting component and a mobile vehicle. After the mobile component receives the control command, the mobile component, the lifting component and the mobile vehicle respectively drive a first camera, a second camera and a third camera to perform comprehensive monitoring of several medium-voltage switch cabinets distributed indoors from top to bottom and from inside to outside, thereby improving the intelligent monitoring capability of the medium-voltage switchgear, facilitating the management of the medium-voltage switch cabinet by the staff, and enabling them to monitor the working status of each original component in the medium-voltage switch cabinet in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the structure of the monitoring system of the medium voltage switchgear in the present invention;

[0033] Figure 2 is a schematic structural diagram of a first mobile monitoring device in the present invention;

[0034] Figure 3 A schematic diagram of the distribution of the medium voltage switchgear and the second mobile monitoring device in the present invention;

[0035] Figure 4 It is a schematic diagram of the internal structure of the medium voltage switch cabinet in the present invention;

[0036] Figure 5 It is a bottom schematic diagram of the mobile vehicle in the present invention;

[0037] Figure 6 It is a schematic diagram of the structure of the anti-collision component in the present invention;

[0038] Figure 7 This is a schematic diagram of the principle structure of the control terminal in the present invention;

[0039] In the figure: 1-first mobile monitoring device; 2-medium voltage switchgear; 3-second mobile monitoring device; 4-control terminal; 11-first motor; 12-slide rail; 13-first rotating rod; 14-first slider; 15-second slider; 16-stopper; 17-first camera; 21-medium voltage switchgear cabinet; 22-mounting frame; 23-mounting block; 24-second transmission rod; 25-transmission belt; 26-mounting plate; 27-second motor; 28-second camera; 29-lighting lamp; 31-third camera; 32-anti-collision component; 33-mobile vehicle; 321-push rod; 322-frame; 323-ball; 3211-pressure sensor; 331-car shell; 332-travel wheel; 333-universal wheel; 334-control module; 324-spring; 41-controller; 42-signal input module; 43-signal output module; 44-first drive module; 45-second drive module; 46-third drive module. DETAILED DESCRIPTION

[0040] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0041] The present invention is further described in detail below in conjunction with the accompanying drawings:

[0042] The object of the present invention is to provide a monitoring system and method for indoor medium-voltage switchgear, so as to solve the technical problem of how to improve the intelligent monitoring of medium-voltage switchgear.

[0043] Example 1

[0044] See also Figure 1 , In one embodiment of the present invention, a monitoring system for indoor medium-voltage switchgear is provided, comprising a plurality of first mobile monitoring devices 1, medium-voltage switchgear 2, a second mobile monitoring device 3 and a control terminal 4;

[0045] The medium-voltage switchgear 2 includes a plurality of medium-voltage switch cabinets 21 placed indoors; a plurality of first mobile monitoring devices 1 are respectively arranged on the indoor roofs, and are used to monitor the plurality of medium-voltage switch cabinets 21 from the indoor roofs; the second mobile monitoring device 3 is movably arranged between the plurality of medium-voltage switch cabinets 21, and is used to monitor the bottom of the medium-voltage switch cabinet 21;

[0046] The first mobile monitoring device 1 comprises a mobile component and two sets of first cameras 17, wherein the mobile component is arranged on the indoor roof, and the two sets of first cameras 17 are slidably arranged on the mobile component;

[0047] The medium voltage switch cabinet 21 is provided with a lifting assembly and a second camera 28, and the second camera 28 is arranged on the lifting assembly and is used to monitor the interior of the medium voltage switch cabinet 21;

[0048] The second mobile monitoring device 3 includes a third camera 31 and a mobile vehicle 33; the third camera 31 is arranged on the mobile vehicle 33;

[0049] The control end of the control terminal 4 is communicatively connected with the first camera 17 , the moving assembly, the second camera 28 , the lifting assembly, the third camera 31 and the moving vehicle 33 .

[0050] Specifically, according to Figure 2As shown, the moving assembly includes a first motor 11, a slide rail 12, a first transmission rod 13, a first slider 14 and a second slider 15;

[0051] The slide rail 12 is arranged on the indoor roof, the first motor 11 is arranged on the slide rail 12, the first transmission rod 13 is located on the slide rail 12, and the driving end of the first motor 11 is connected to the first transmission rod 13, the first slider 14 and the second slider 15 are respectively sleeved on the first transmission rod 13 and slidably arranged on the slide rail 12, and two groups of first cameras 17 are respectively arranged on the first slider 14 and the second slider 15.

[0052] A limiter 16 is provided on the slide rail 12 , and the first slider 14 and the second slider 15 are respectively located on both sides of the limiter 16 on the first transmission rod 13 for limiting the first slider 14 and the second slider 15 .

[0053] Among them, the first transmission rod 13 is provided with an external thread, and the first slider 14 and the second slider 15 are both provided with an internal thread connecting block, and the first slider 14 and the second slider 15 are both threadedly connected to the first transmission rod 13 through the internal thread connecting block, wherein the thread directions of the internal thread connecting blocks of the first slider 14 and the second slider 15 are set in opposite directions.

[0054] In this embodiment, the first motor 11 drives the first transmission rod 13 to rotate clockwise or counterclockwise, causing the first slider 14 and the second slider 15 to slide in relative or opposite directions, thereby moving the two groups of first cameras 17 forward and backward, thereby expanding the monitoring range of the two groups of first cameras 17, and the two groups of first cameras 17 transmit the monitored images to the terminal device 4 in real time.

[0055] Specifically, according to Figure 4 As shown, a cabinet door is provided on the medium-voltage switch cabinet body 21, and the lifting assembly is arranged on the inner side of the cabinet door; the lifting assembly includes a mounting frame 22, a mounting block 23, a second transmission rod 24, a transmission belt 25, a mounting plate 26, and a second motor 27; the mounting frame 22 is arranged on the inner side of the cabinet door, the mounting plate 26 is arranged at the bottom end of the mounting frame 22, the second motor 27 is arranged on the mounting plate 26, one end of the second transmission rod 24 is rotatably arranged on the top of the mounting frame 22, and the other end is rotatably arranged on the mounting plate 26, the mounting block 23 is threadedly connected to the second transmission rod 24, the driving end of the motor 27 is connected to the second transmission rod 24 through the transmission belt 25, and the second camera 28 is arranged on the mounting block 23.

[0056] In this embodiment, an illumination lamp 29 is installed on the upper side of the inner wall of the cabinet door. When the brightness inside the medium voltage switch cabinet 21 is not enough, the illumination lamp 29 is turned on, so that the third camera 31 can clearly monitor the situation inside the cabinet.

[0057] In this embodiment, the second motor 27 drives the second transmission rod 24 to rotate clockwise or counterclockwise through the transmission belt 25, so that the mounting block 23 slides up and down, thereby moving the second camera 28 up and down. The second camera 28 transmits the monitored image to the terminal device 4 in real time to facilitate the staff to monitor the inside of the medium-voltage switch cabinet. The second camera 28 monitors the inside of the medium-voltage switch cabinet in real time, which facilitates the staff's management of the medium-voltage switch cabinet 21 and enables them to monitor the working status of each original component in the medium-voltage switch cabinet 21 in real time.

[0058] Specifically, anti-collision components 32 are respectively provided on both sides of the mobile vehicle 33; Figure 6 As shown, the anti-collision component 32 includes a push rod 321 and a frame 322; the frame 322 is arranged on the outside of the mobile vehicle 33, and a plurality of balls 323 are respectively provided on both sides of the inner wall of the frame 322. One end of the push rod 321 extends into the frame 322, and the balls 323 on both sides of the inner wall of the frame 322 are in rolling contact with both sides of the end of the push rod 321 extending into the frame 322, and the other end of the push rod 321 is exposed outside the frame 322.

[0059] according to Figure 5 As shown, in this embodiment, the mobile vehicle 33 is composed of a vehicle shell 331, a running wheel 332 and a universal wheel 333. A control module 334 is provided in the mobile vehicle 33 for connecting with the control terminal 4. The vehicle shell is made of metal to form a hollow square or circular shell; the running wheel is installed on the bottom side of the vehicle shell; the universal wheel is rotatably connected to the bottom side of the vehicle shell, and is located in the middle of the left side of the vehicle shell; the third camera 31 is arranged on the vehicle shell and can be detachably connected.

[0060] The frame 322 is provided with a spring 324 on the side opposite to the side where the push rod 321 is inserted, and the end of the push rod 321 inserted into the frame 322 abuts against the spring 324 .

[0061] In this embodiment, a pressure sensor 3211 is provided on the push rod 321 for detecting the impact pressure.

[0062] In this embodiment, the distance between the plurality of medium voltage switch cabinets 21 is greater than the width of the moving vehicle 33 .

[0063] In this embodiment, the mobile vehicle 33 automatically moves indoors for monitoring, and the third camera 31 transmits the monitored image to the terminal device 4 in real time, so that the staff can monitor the placement environment of the medium-voltage switch cabinet in an all-round way, so that the staff can monitor the placement environment of the medium-voltage switch cabinet 21 in an all-round way, so as to facilitate the later management of the medium-voltage switch cabinet 21, and at the same time, it can also monitor whether the working environment of the medium-voltage switch cabinet 21 indoors is safe.

[0064] Specifically, according to Figure 7As shown, a controller 41 is provided in the control terminal 4, and the input end of the controller is connected to the output end of a signal input module 42, and the input end of the signal input module 42 is connected to the first camera 17, the second camera 28 and the third camera 31; the output end of the controller 41 is provided with the input end of a signal output module 43; the output end of the signal output module 43 is respectively connected to the input end of a first driving module 44, a second driving module 45 and a third driving module 46; the output end of the first driving module 44 is connected to a moving component; the output end of the second driving module 45 is connected to a lifting component; the output end of the third driving module 46 is connected to a moving vehicle 33.

[0065] In summary, the present invention provides a monitoring system for indoor medium-voltage switchgear, by arranging a plurality of first mobile monitoring devices on the indoor roof, the first mobile monitoring devices including a mobile component and two groups of first cameras, the two groups of first cameras monitor a plurality of medium-voltage switch cabinets from the indoor roof through the mobile component, and feed back the monitored information to a control terminal, and arranging a lifting component and a second camera inside the medium-voltage switch cabinet, the second camera monitors the interior of the medium-voltage switch cabinet through the lifting component, and feeds back the monitored information to the control terminal, the third camera in the second mobile monitoring device moves between the plurality of medium-voltage switch cabinets through a mobile vehicle, and feeds back the bottom information of the monitored medium-voltage switch cabinet to the control terminal, and the monitoring capability of the medium-voltage switchgear indoors is improved through the intelligent control and monitoring of the control terminal.

[0066] In this embodiment, through the cooperation of the first mobile monitoring device 1 and the second mobile monitoring device 3, the staff can monitor the placement environment of the medium-voltage switch cabinet 21 in an all-round manner, so as to facilitate the management of the medium-voltage switch cabinet 21 in the later stage, and at the same time monitor whether the indoor working environment of the medium-voltage switch cabinet is safe. The second camera 28 monitors the interior of the medium-voltage switch cabinet 21 in real time, which facilitates the management of the medium-voltage switch cabinet 21 by the staff, so that the staff can monitor the working status of each original component in the medium-voltage switch cabinet in real time.

[0067] Example 2

[0068] This embodiment provides a monitoring method for an indoor medium-voltage switchgear, based on the above-mentioned monitoring system for an indoor medium-voltage switchgear, including the following process:

[0069] The control terminal 4 sends a control command to the mobile component, the lifting component and the mobile vehicle 33. After receiving the control command, the mobile component drives the two groups of first cameras 17 to monitor several medium-voltage switch cabinets 21 on the indoor roof, and feeds back the monitored information to the control terminal; after receiving the control command, the lifting component drives the second camera 28 to monitor the inside of the medium-voltage switch cabinet 21, and feeds back the monitored information to the control terminal; after receiving the control command, the mobile vehicle 33 drives the third camera 31 to monitor between several medium-voltage switch cabinets 21, and feeds back the monitored information to the control terminal. After receiving the monitoring information fed back by the mobile component, the lifting component and the mobile vehicle 33, the control terminal 4 completes the monitoring of the indoor medium-voltage switch equipment.

[0070] In summary, the present invention provides a monitoring method for indoor medium-voltage switchgear, wherein a control terminal sends a control command to a mobile component, a lifting component and a mobile vehicle. After the mobile component receives the control command, the mobile component, the lifting component and the mobile vehicle respectively drive a first camera, a second camera and a third camera to perform comprehensive monitoring of several medium-voltage switch cabinets distributed indoors from top to bottom and from inside to outside, thereby improving the intelligent monitoring capability of the medium-voltage switchgear, facilitating the management of the medium-voltage switch cabinet by the staff, and enabling them to monitor the working status of each original component in the medium-voltage switch cabinet in real time.

[0071] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A monitoring system for indoor medium voltage switchgear, characterized in that: It comprises a plurality of first mobile monitoring devices (1), a medium voltage switch device (2), a second mobile monitoring device (3) and a control terminal (4); The medium-voltage switchgear (2) comprises a plurality of medium-voltage switch cabinets (21) placed indoors; a plurality of first mobile monitoring devices (1) are respectively arranged on the indoor roofs, and are used to monitor the plurality of medium-voltage switch cabinets (21) from the indoor roofs; the second mobile monitoring device (3) is movably arranged between the plurality of medium-voltage switch cabinets (21), and is used to monitor the bottom of the medium-voltage switch cabinets (21); The first mobile monitoring device (1) comprises a mobile component and two groups of first cameras (17), wherein the mobile component is arranged on an indoor roof, and the two groups of first cameras (17) are slidably arranged on the mobile component; A lifting assembly and a second camera (28) are provided in the medium-voltage switch cabinet (21); the second camera (28) is arranged on the lifting assembly and is used to monitor the interior of the medium-voltage switch cabinet (21); The second mobile monitoring device (3) comprises a third camera (31) and a mobile vehicle (33); the third camera (31) is arranged on the mobile vehicle (33); The control end of the control terminal (4) is respectively connected to the first camera (17), the moving assembly, the second camera (28), the lifting assembly, the third camera (31) and the moving vehicle (33) for communication.

2. The monitoring system for indoor medium voltage switchgear according to claim 1, characterized in that: The moving assembly comprises a first motor (11), a slide rail (12), a first transmission rod (13), a first slide block (14) and a second slide block (15); The slide rail (12) is arranged on an indoor roof, the first motor (11) is arranged on the slide rail (12), the first transmission rod (13) is located on the slide rail (12), and the driving end of the first motor (11) is connected to the first transmission rod (13), the first slider (14) and the second slider (15) are respectively sleeved on the first transmission rod (13) and slidably arranged on the slide rail (12), and two groups of first cameras (17) are respectively arranged on the first slider (14) and the second slider (15).

3. The monitoring system for indoor medium voltage switchgear according to claim 2, characterized in that: A limiter (16) is provided on the slide rail (12), and the first slider (14) and the second slider (15) are respectively located on both sides of the limiter (16) on the first transmission rod (13) for limiting the first slider (14) and the second slider (15).

4. The monitoring system for indoor medium voltage switchgear according to claim 2, characterized in that: The first transmission rod (13) is provided with an external thread, and the first slider (14) and the second slider (15) are both provided with an internal thread connection block, and the first slider (14) and the second slider (15) are both threadedly connected to the first transmission rod (13) through the internal thread connection block, wherein the thread directions of the internal thread connection blocks of the first slider (14) and the second slider (15) are arranged in opposite directions.

5. The monitoring system for indoor medium voltage switchgear according to claim 1, characterized in that: The medium voltage switch cabinet (21) is provided with a cabinet door, and the lifting assembly is arranged on the inner side of the cabinet door; the lifting assembly comprises a mounting frame (22), a mounting block (23), a second transmission rod (24), a transmission belt (25), a mounting plate (26), and a second motor (27); the mounting frame (22) is arranged on the inner side of the cabinet door, the mounting plate (26) is arranged at the bottom end of the mounting frame (22), the second motor (27) is arranged on the mounting plate (26), one end of the second transmission rod (24) is rotatably arranged on the top of the mounting frame (22), and the other end is rotatably arranged on the mounting plate (26), the mounting block (23) is threadedly connected to the second transmission rod (24), the driving end of the motor (27) is connected to the second transmission rod (24) through the transmission belt (25), and the second camera (28) is arranged on the mounting block (23).

6. The monitoring system for indoor medium voltage switchgear according to claim 1, characterized in that: Anti-collision components (32) are respectively provided on both sides of the moving vehicle (33); the anti-collision components (32) include a push rod (321) and a frame (322); the frame (322) is arranged on the outside of the moving vehicle (33); a plurality of balls (323) are respectively provided on both sides of the inner wall of the frame (322); one end of the push rod (321) extends into the frame (322); the balls (323) on both sides of the inner wall of the frame (322) are in rolling contact with both sides of the end of the push rod (321) extending into the frame (322); and the other end of the push rod (321) is exposed outside the frame (322).

7. The monitoring system for indoor medium voltage switchgear according to claim 6, characterized in that: The frame (322) is provided with a spring (324) on the side opposite to the side where the push rod (321) is inserted, and the end of the push rod (321) inserted into the frame (322) abuts against the spring (324).

8. The monitoring system for indoor medium voltage switchgear according to claim 1, characterized in that: The distance between the plurality of medium voltage switch cabinets (21) is greater than the width of the moving vehicle (33).

9. The monitoring system for indoor medium voltage switchgear according to claim 1, characterized in that: The control terminal (4) is provided with a controller (41), the input end of the controller is connected to the output end of a signal input module (42), the input end of the signal input module (42) is connected to the first camera (17), the second camera (28) and the third camera (31); the output end of the controller (41) is provided with the input end of a signal output module (43); the output end of the signal output module (43) is respectively connected to the input ends of a first driving module (44), a second driving module (45) and a third driving module (46); the output end of the first driving module (44) is connected to a moving component; The output end of the second driving module (45) is connected to the lifting component; The output end of the third driving module (46) is connected to the moving vehicle (33).

10. A method for monitoring indoor medium voltage switchgear, characterized in that: A monitoring system for indoor medium-voltage switchgear according to any one of claims 1 to 9, comprising the following process: The control terminal (4) sends a control command to the mobile component, the lifting component and the mobile vehicle (33). After receiving the control command, the mobile component drives two groups of first cameras (17) to monitor a plurality of medium-voltage switch cabinets (21) on the indoor roof, and feeds back the monitored information to the control terminal; after receiving the control command, the lifting component drives the second camera (28) to monitor the inside of the medium-voltage switch cabinet (21), and feeds back the monitored information to the control terminal; after receiving the control command, the mobile vehicle (33) drives the third camera (31) to monitor between the plurality of medium-voltage switch cabinets (21), and feeds back the monitored information to the control terminal. After receiving the monitoring information fed back by the mobile component, the lifting component and the mobile vehicle (33), the control terminal (4) completes the monitoring of the indoor medium-voltage switch equipment.

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