Relay protection screen cabinet and use method thereof

Abstract

The invention relates to the technical field of electrical equipment, and discloses a relay protection screen cabinet and a use method thereof, the relay protection screen cabinet comprises a first cabinet body, a first opening and closing door and a second cabinet body, the top ends of the first cabinet body and the second cabinet body are fixedly provided with lifting hooks, and the back surfaces of the first cabinet body and the second cabinet body are fixedly provided with heat dissipation fins. According to the relay protection screen cabinet and the using method thereof, the fan cover is communicated with the mounting cover through the connecting groove, so that the fan cover can guide external airflow to enter the mounting cover through the connecting groove and be in full contact with the internal heat dissipation fins, a directional heat dissipation channel can be formed, heat dissipation of the first cabinet body and the second cabinet body can be enhanced, dust accumulation caused by exposure of the heat dissipation fins can be avoided, and the service life of the cabinet is prolonged. And through the design of the drainage plate, the airflow generated by the fans can be dispersed to each area of the heat dissipation fins by utilizing the guide of an inclined plane, and the two groups of fans face opposite directions, so that one fan can be used for air inlet, and the other fan can be used for air outlet, thereby forming forced convection from the bottoms of the first cabinet body and the second cabinet body to the tops of the first cabinet body and the second cabinet body.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electrical equipment, in particular to a relay protection screen cabinet and a use method thereof. BACKGROUND

[0002] In the power system, the relay protection screen cabinet is one of the core devices to ensure the safe and stable operation of power equipment, mainly used for centralized installation of key components such as relay protection devices, control modules, terminal blocks, power components, etc., and through electrical connection to realize fault detection, automatic tripping, state monitoring and remote control of power equipment such as transformers, lines and busbars. It is an important part of power system automation and relay protection system. The basic structure of the relay protection screen cabinet usually includes a cabinet body, mounting plates, guide rails, cross beams, such as heat dissipation holes, axial flow fans, and such as lighting and door locks, so as to meet the basic requirements of the power industry for equipment installation density, electrical safety distance and mechanical strength to adapt to complex operating environments such as transformer substations and distribution rooms.

[0003] Chinese invention patent publication No. CN114142608A discloses a relay protection screen cabinet. The relay protection screen cabinet disclosed in the specification realizes real-time monitoring of the reclosing handle, the first display panel, the protection plate and the temperature measuring module of the relay protection screen cabinet through the installation of the camera module and the temperature measuring module, realizes the visualization of the operating state, uploads the photos obtained by the camera module to the processing module, and the processing module can remotely monitor and timely find the hidden dangers existing in the operation of the relay protection screen cabinet, saving the manpower and material resources required for personnel regular inspection. However, the relay protection screen cabinet can measure temperature through the temperature measuring module, but does not design a rapid heat dissipation structure for the whole protection screen cabinet. When the temperature of the screen cabinet is high, the internal electrical components are easily affected, thereby affecting the normal work of the whole screen cabinet, and the adjustment structure of the internal mounting bracket is not designed, which is not convenient for adjusting according to the height of different electronic components, resulting in poor practicability of the whole screen cabinet. SUMMARY

[0004] The present application solves the technical problem of providing a relay protection screen cabinet and a use method thereof, which can effectively solve the problem that when the temperature of the screen cabinet is high, the internal electrical components are easily affected, thereby affecting the normal work of the whole screen cabinet, and the adjustment structure of the internal mounting bracket is not designed, which is not convenient for adjusting according to the height of different electronic components, resulting in poor practicability of the whole screen cabinet.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme: A kind of relay protection screen cabinet, including first cabinet, first open-close door and second cabinet, first cabinet and second cabinet top are fixedly installed with lifting hook, first cabinet and second cabinet back are fixedly installed with heat dissipation fin, first cabinet and second cabinet are fixedly installed with heat dissipation assembly at one end close to heat dissipation fin, first installation component is fixedly installed in first cabinet, second open-close door is rotatably installed at the end of second cabinet away from heat dissipation fin, protection component is fixedly installed at the end of second open-close door close to second cabinet, second installation component is arranged in second cabinet; Heat dissipation assembly includes installation cover, both ends of installation cover are fixedly installed with wind cover, drainage plate and fan are fixedly installed at the inner edge of the end of installation cover away from installation cover; First installation component includes mounting plate, a plurality of equidistantly distributed installation holes are formed in mounting plate along edge line, plugboard is inserted and installed in mounting plate, placing plate is fixedly installed at the end of plugboard away from mounting plate; Second installation component includes fixed rail and installation frame, fixed rail is fixedly installed at the inner edge of second cabinet, adjustment hole is formed in outer edge of installation frame, installation bolt is threadedly connected at both ends of installation frame, first mounting bracket, second mounting bracket and third mounting bracket are arranged at inner edge of installation frame.

[0006] Further improvement of the application is that connection groove is formed in inner edge of wind cover, wind cover is communicated with installation cover through connection groove, and heat dissipation fin is located in the interior of installation cover.

[0007] Further improvement of the application is that the cross section of drainage plate is in triangular structure, and drainage plate and fan are provided with same two groups, and the directions of the two groups of drainage plate and fan are opposite.

[0008] Further improvement of the application is that mounting foot is fixedly installed at both ends of mounting plate, mounting plate is fixedly installed with second cabinet through mounting foot, plug-in slot is formed in the side of mounting plate away from installation hole, plug-in slot and plugboard are in T-shaped structure, and plug-in slot and plugboard are in plug-in installation.

[0009] Further improvement of the application is that positioning bolt is threadedly connected at outer edge of plugboard, positioning bolt penetrates installation hole and extends into the interior of placing plate, and power body is arranged on placing plate.

[0010] Further improvement of the application is that protection component includes protection plate, monitoring table, monitor, display lamp and grille plate are fixedly installed at the end of protection plate close to second open-close door, and second open-close door is transparent door.

[0011] Further improvement of the application is that sliding block is fixedly installed at the end of installation frame close to fixed rail, and sliding block is in sliding connection with fixed rail.

[0012] The further improvement of the present application is that the first mounting frame is provided with a positioning groove at one end away from the mounting frame, and a positioning block is inserted and mounted in the positioning groove, and a cover plate is fixedly mounted at one end of the positioning block away from the first mounting frame.

[0013] The further improvement of the present application is that the second mounting frame is fixedly mounted with an electrical device at one end away from the mounting frame, the third mounting frame is fixedly mounted with a circuit breaker at one end away from the mounting frame, and a groove is provided in the cover plate, corresponding to the electrical device and the circuit breaker.

[0014] A use method of a relay protection screen cabinet, comprising the following steps: S1: fixing the mounting plate in the first mounting assembly to the inner wall of the first cabinet body through the mounting foot, inserting the plug-in board into the T-shaped slot of the mounting plate according to the installation height requirement of the power supply body, adjusting to the appropriate position, penetrating the mounting hole of the mounting plate and screwing into the plug-in board, and locking the plug-in board and the placing plate; S2: pushing the slider on the mounting frame of the second mounting assembly to slide along the fixed rail, adjusting the horizontal spacing of the mounting frame and other elements, and installing corresponding elements on the first mounting frame, the second mounting frame and the third mounting frame respectively; S3: closing the second opening and closing door, and monitoring the running state in real time through the protection assembly; S4: starting the heat dissipation assembly, the wind shield guides the external airflow into the mounting cover, and the airflow is dispersed to each area of the heat dissipation fin through the guide plate, and the two groups of fans facing opposite directions form a forced convection of bottom air inlet and top air outlet, so as to take away the heat inside the first cabinet body and the second cabinet body; S5: if it is necessary to adjust the element layout, the height of the placing plate in the first cabinet body is adjusted, or the mounting frame is pushed to move horizontally along the fixed rail, the spacing of the mounting frame and other elements in the second cabinet body is adjusted, and when maintaining, the internal elements are overhauled; S6: when it is necessary to move the first cabinet body or the second cabinet body, the hook fixedly installed at the top of the cabinet body is connected with the hoisting equipment through hoisting equipment, and the cabinet body is smoothly lifted and moved to the specified position, when it is necessary to overhaul or adjust the internal elements of the first cabinet body, the first opening and closing door is opened, and after the operation is completed, the first opening and closing door is closed.

[0015] Compared with the prior art, the present application has at least the following beneficial technical effects: The relay protection screen cabinet and the use method thereof, the fan cover is communicated with the mounting cover through the connecting groove, the external airflow can be guided into the mounting cover through the connecting groove by the fan cover, and the internal heat dissipation fins are fully contacted, a directional heat dissipation channel is formed, the heat dissipation of the first cabinet body and the second cabinet body is enhanced, dust accumulation caused by exposure of the heat dissipation fins can be avoided, and rapid heat dissipation is realized; and through the design of the drainage plate, the airflow generated by the fan can be dispersed to each area of the heat dissipation fins by the inclined surface, and the two groups of fans are opposite to each other, one is for air intake and the other is for air exhaust, forced convection is formed from the bottom to the top of the first cabinet body and the second cabinet body, the heat dissipation speed of the overall cabinet body is improved, the high-temperature scene of multiple elements working at the same time in the screen cabinet is adapted, and the service life of the equipment is prolonged; The relay protection screen cabinet and the use method thereof, the fan cover is communicated with the mounting cover through the connecting groove, the external airflow can be guided into the mounting cover through the connecting groove by the fan cover, and the internal heat dissipation fins are fully contacted, a directional heat dissipation channel is formed, the heat dissipation of the first cabinet body and the second cabinet body is enhanced, dust accumulation caused by exposure of the heat dissipation fins can be avoided, and rapid heat dissipation is realized; and through the design of the drainage plate, the airflow generated by the fan can be dispersed to each area of the heat dissipation fins by the inclined surface, and the two groups of fans are opposite to each other, one is for air intake and the other is for air exhaust, forced convection is formed from the bottom to the top of the first cabinet body and the second cabinet body, the heat dissipation speed of the overall cabinet body is improved, the high-temperature scene of multiple elements working at the same time in the screen cabinet is adapted, and the service life of the equipment is prolonged; The relay protection screen cabinet and the use method thereof, the fan cover is communicated with the mounting cover through the connecting groove, the external airflow can be guided into the mounting cover through the connecting groove by the fan cover, and the internal heat dissipation fins are fully contacted, a directional heat dissipation channel is formed, the heat dissipation of the first cabinet body and the second cabinet body is enhanced, dust accumulation caused by exposure of the heat dissipation fins can be avoided, and rapid heat dissipation is realized; and through the design of the drainage plate, the airflow generated by the fan can be dispersed to each area of the heat dissipation fins by the inclined surface, and the two groups of fans are opposite to each other, one is for air intake and the other is for air exhaust, forced convection is formed from the bottom to the top of the first cabinet body and the second cabinet body, the heat dissipation speed of the overall cabinet body is improved, the high-temperature scene of multiple elements working at the same time in the screen cabinet is adapted, and the service life of the equipment is prolonged; BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 For the three-dimensional structure of the present application Figure 1 ; Figure 2 For the three-dimensional structure of the present application Figure 2 ; Figure 3 For the three-dimensional structure of the present application Figure 3 ; Figure 4It is the first cabinet body and second cabinet body split structure schematic view of the present application; Figure 5 It is the first cabinet body split structure schematic view of the present application; Figure 6 It is the first installation assembly split structure schematic view of the present application; Figure 7 It is the second cabinet body split structure schematic view of the present application; Figure 8 It is the protection assembly three-dimensional structure schematic view of the present application; Figure 9 It is the protection assembly split structure schematic view of the present application; Figure 10 It is the second installation assembly split structure schematic view of the present application; Figure 1 Figure 11 It is the second installation assembly split structure schematic view of the present application; Figure 2 Figure 12 It is the second installation assembly split structure schematic view of the present application; Figure 3 Figure 13 It is the heat dissipation assembly split structure schematic view of the present application; Figure 1 Figure 14 It is the heat dissipation assembly split structure schematic view of the present application; Figure 2 Figure 15 It is the flow structure schematic view of the present application.

[0018] Mark explanation: 1, first cabinet body;2, hook;3, first open-close door;4, heat dissipation fin;5, heat dissipation assembly;501, installation cover;502, wind cover;503, connecting groove;504, drainage plate;505, fan;7, first installation assembly;701, installation plate;702, installation foot;703, installation hole;704, insertion slot;705, insertion plate;706, positioning bolt;707, placement plate;8, power supply body;9, second cabinet body;10, second open-close door;11, protection assembly;1101, protection plate;1102, monitoring table;1103, monitor;1104, display lamp;1105, lattice plate;12, second installation assembly;1201, fixed rail;1202, sliding block;1203, installation frame;1204, adjusting hole;1205, installation bolt;1206, first mounting bracket;1207, positioning groove;1208, positioning block;1209, cover plate;1210, recess;1211, second mounting bracket;1212, electrical device;1213, third mounting bracket;1214, circuit breaker. Specific implementation

[0019] ​​​​​In the following certain exemplary embodiments are simply described. As will be realized by those skilled in the art, the described embodiments can be modified in various different ways without departing from the spirit or scope thereof. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature rather than restrictive.

[0020] In the description of the present application, it is to be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like are based on the orientations or positional relationships shown in the drawings, and are merely intended to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0021] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrated; can be mechanically connected, can be electrically connected, or can be communicated; can be directly connected, or indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] In the present application, unless otherwise explicitly specified and limited, "on" or "under" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "above" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. "Below", "below" and "below" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0024] It should be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0025] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0026] The accompanying drawings illustrate various structural schematic diagrams according to embodiments disclosed in this invention. These drawings are not to scale, and some details have been enlarged for clarity, and some details may have been omitted. The shapes of the various regions and layers shown in the drawings, as well as their relative sizes and positional relationships, are merely exemplary and may deviate from reality due to manufacturing tolerances or technical limitations. Furthermore, those skilled in the art can design regions / layers with different shapes, sizes, and relative positions as needed.

[0027] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0028] Example 1 like Figures 1-15 As shown, the present invention provides a relay protection cabinet, including a first cabinet 1, a first opening and closing door 3, and a second cabinet 9. Hooks 2 are fixedly installed at the top of both the first cabinet 1 and the second cabinet 9. Heat dissipation fins 4 are fixedly installed on the back of both the first cabinet 1 and the second cabinet 9. Heat dissipation components 5 are fixedly installed at the end of the first cabinet 1 and the second cabinet 9 closest to the heat dissipation fins 4. A first mounting component 7 is fixedly installed inside the first cabinet 1. A second opening and closing door 10 is rotatably installed at the end of the second cabinet 9 away from the heat dissipation fins 4. A protection component 11 is fixedly installed at the end of the second opening and closing door 10 closest to the second cabinet 9. A second mounting component 12 is provided inside the second cabinet 9. The heat dissipation assembly 5 includes a mounting cover 501, with a fan cover 502 fixedly installed at both the upper and lower ends of the mounting cover 501, and a diverter plate 504 and a fan 505 fixedly installed at the inner edge of the end of the mounting cover 501 away from the mounting cover 501. The first mounting component 7 includes a mounting plate 701. The mounting plate 701 has a plurality of mounting holes 703 that are equally spaced along its edge. An insert plate 705 is inserted into the inner edge of the mounting plate 701. A placement plate 707 is fixedly installed at the end of the insert plate 705 away from the mounting plate 701. The second mounting assembly 12 comprises a fixed rail 1201 and a mounting frame 1203, the fixed rail 1201 is fixedly installed at the inner edge of the second cabinet body 9, the outer edge of the mounting frame 1203 is provided with an adjusting hole 1204, the upper and lower ends of the mounting frame 1203 are threadedly connected with mounting bolts 1205, and the inner edge of the mounting frame 1203 is provided with a first mounting bracket 1206, a second mounting bracket 1211 and a third mounting bracket 1213.

[0029] Specifically, the inner edge of the wind cover 502 is provided with a connecting groove 503, the wind cover 502 communicates with the mounting cover 501 through the connecting groove 503, and the heat dissipation fins 4 are located in the interior of the mounting cover 501. The wind cover 502 communicates with the mounting cover 501 through the connecting groove 503, so that the external airflow guided by the wind cover 502 enters the mounting cover 501 through the connecting groove 503 and fully contacts the internal heat dissipation fins 4, a directional heat dissipation channel is formed, the heat dissipation of the first cabinet body 1 and the second cabinet body 9 is enhanced, dust accumulation caused by exposure of the heat dissipation fins 4 is avoided, and rapid heat dissipation is achieved.

[0030] Specifically, the cross section of the flow guide plate 504 is in a “triangular” structure, the flow guide plate 504 and the fan 505 are provided with the same two groups, and the two groups of flow guide plates 504 and fans 505 are oppositely directed. Through the design of the flow guide plate 504, the airflow generated by the fan 505 can be dispersed to each area of the heat dissipation fin 4 by using the inclined surface as a guide, and the two groups of fans 505 are oppositely directed, one for air intake and the other for air exhaust, forming forced convection from the bottom to the top of the first cabinet body 1 and the second cabinet body 9, which can improve the heat dissipation speed of the overall cabinet, adapt to the high-temperature scene of multiple elements working simultaneously in the screen cabinet, and prolong the service life of the equipment.

[0031] Embodiment 2 As shown in Figures 2-15 an improvement on the previous embodiment.

[0032] Specifically, the mounting plate 701 is fixedly installed with mounting feet 702 at both ends, the mounting plate 701 is fixedly installed with the second cabinet body 9 through the mounting feet 702, one side of the mounting plate 701 away from the mounting hole 703 is provided with a slot 704, the cross sections of the slot 704 and the plug plate 705 are both in a “T” shape structure, and the slot 704 and the plug plate 705 are plug-in installed. The slot 704 and the plug plate 705 are in a T-shaped structure and are mutually engaged, which can limit the plug plate 705 in the horizontal and vertical directions, avoid the placement plate 707 from being easily loosened due to vibration inside the first cabinet body 1 and the second cabinet body 9, and facilitate subsequent rapid adjustment of the position between the two by fixing the mounting plate 701 to the inner wall of the first cabinet body 1 through the mounting feet 702, and height adjustment of different plug plates 705.

[0033] Specifically, the outer edge of the plug-in plate 705 is threaded with a positioning bolt 706, the positioning bolt 706 penetrates the mounting hole 703 and extends to the inside of the placement plate 707, and the power supply body 8 is arranged on the placement plate 707. The advantage is that when the spacing adjustment of different plug-in plates 705 is completed, the plug-in plate 705 and the placement plate 707 can be fixed by the positioning bolt 706 penetrating the mounting hole 703, and the plug-in plate 705 can be locked at the mounting hole 703 of the mounting plate 701 by the pre-tightening force of the positioning bolt 706, further eliminating the gap of the T-shaped plug-in, and at the same time, the height of the placement plate 707 can be conveniently fixed, so that the position of the power supply body 8 after installation can be avoided from being deviated.

[0034] Embodiment 3 As shown in Figures 2-15 , as an improvement on the previous embodiment.

[0035] Specifically, the protection assembly 11 includes a protection plate 1101, the protection plate 1101 is fixedly installed with a monitoring table 1102, a monitor 1103, a display lamp 1104 and a grating plate 1105 near one end of the second opening and closing door 10, and the second opening and closing door 10 is a transparent door. The advantage is that the monitoring table 1102 displays parameters such as voltage and current, the monitor 1103 detects faults such as short circuit and over temperature in real time, and the display lamp 1104 intuitively feedbacks the running state through different colors, which cooperates with the transparent second opening and closing door 10 to block dust and water vapor from entering, and cooperates with the design of the transparent door, so that the operating personnel can more intuitively observe the running condition of the overall cabinet without opening the cabinet door.

[0036] Specifically, the mounting frame 1203 is fixedly installed with a sliding block 1202 near one end of the fixed rail 1201, and the sliding block 1202 is in sliding connection with the fixed rail 1201. The advantage is that through the design of the fixed rail 1201, the sliding block 1202 can be conveniently provided to slide, and the mounting frame 1203 can be driven by the sliding block 1202 to move horizontally along the fixed rail 1201, so as to adjust the distance from other elements and flexibly adjust the element layout to adapt to the wiring requirements of different relay protection schemes.

[0037] Specifically, the first mounting frame 1206 is provided with a positioning groove 1207 at an end away from the mounting frame 1203, a positioning block 1208 is inserted and mounted in the positioning groove 1207, and the positioning block 1208 is fixedly installed with a cover plate 1209 at an end away from the first mounting frame 1206. The advantage is that during installation, the positioning block 1208 is inserted into the positioning groove 1207 to fix the cover plate 1209, and then the cover plate 1209 covers the internal elements, which can play a protective role and avoid accidental damage to the internal elements due to work mistakes of the workers.

[0038] Specifically, the second mounting frame 1211 is fixedly installed with the electrical device 1212 away from one end of the mounting frame 1203, the third mounting frame 1213 is fixedly installed with the circuit breaker 1214 away from one end of the mounting frame 1203, the cover plate 1209 is provided with a groove 1210 along the through opening, the groove 1210 corresponds to the electrical device 1212 and the circuit breaker 1214, and the groove 1210 is matched with the operating end of the electrical device 1212 in shape and position, the operating part is not blocked when the cover plate 1209 is covered, the element can be operated without disassembling the cover plate 1209, different specifications of the electrical device 1212 and the circuit breaker 1214 can be conveniently adapted, and the universality of the second mounting assembly 12 is improved.

[0039] Working principle: in use, the fan cover 502 is communicated with the mounting cover 501 through the connecting groove 503, so that the fan cover 502 guides the external airflow to enter the mounting cover 501 through the connecting groove 503 and fully contacts the internal heat dissipation fins 4, so as to form a directional heat dissipation channel, enhance the heat dissipation of the first cabinet body 1 and the second cabinet body 9, avoid dust accumulation caused by exposure of the heat dissipation fins 4, and quickly dissipate heat. Through the design of the flow guide plate 504, the airflow generated by the fan 505 can be dispersed to each area of the heat dissipation fins 4 through the inclined surface guide, and the two groups of fans 505 face opposite directions, one for air intake and the other for air exhaust, forming forced convection from the bottom to the top of the first cabinet body 1 and the second cabinet body 9, which can improve the heat dissipation speed of the overall cabinet, adapt to the high-temperature scene of multiple elements working simultaneously in the screen cabinet, prolong the service life of the equipment, and through the mutual engagement of the T-shaped structure slot 704 and the plug plate 705, the plug plate 705 can be limited in horizontal and vertical directions, avoiding the loosening of the placement plate 707 inside the first cabinet body 1 and the second cabinet body 9 due to vibration. The mounting foot 702 fixes the mounting plate 701 to the inner wall of the first cabinet body 1, which facilitates subsequent quick adjustment of the position between the two, height adjustment of different plug plates 705, and fixing of the plug plate 705 and the placement plate 707 through the positioning bolt 706 penetrating the mounting hole 703. The plug plate 705 can be locked in the mounting hole 703 of the mounting plate 701 through the positioning bolt 706 by means of threaded pre-tightening force, further eliminating the gap of the T-shaped plug-in connection, and facilitating the fixing of the height of the placement plate 707. After the power body 8 is installed, the position can be avoided from shifting, the voltage, current and other parameters are displayed through the monitoring table 1102, the monitor 1103 detects short circuit, over temperature and other faults in real time, and the display lamp 1104 intuitively feedbacks the running state through different colors. The transparent second opening and closing door 10 blocks dust and water vapor from entering, and the design of the transparent door can facilitate the operator to more intuitively observe the running condition of the overall cabinet without opening the cabinet door. Through the design of the fixed rail 1201, the sliding block 1202 can provide sliding, the mounting frame 1203 can be driven by the sliding block 1202 to move horizontally along the fixed rail 1201, the distance between the mounting frame 1203 and other elements can be adjusted, the element layout can be flexibly adjusted, and the wiring requirements of different relay protection schemes can be adapted. During installation, the positioning block 1208 is inserted into the positioning slot 1207 to fix the cover plate 1209, and then the cover plate 1209 covers the internal elements to play a protection role, avoiding accidental damage to the internal elements due to work mistakes of the workers. The shape and position of the groove 1210 match the operation end of the electrical device 1212, the operation part is not blocked when the cover plate 1209 is covered, the elements can be operated without disassembling the cover plate 1209, different specifications of the electrical device 1212 and the circuit breaker 1214 can be adapted, and the universality of the second mounting assembly 12 is improved.

[0040] Embodiment 4 As Figures 1-15 shown, the application provides a method for using a relay protection screen cabinet, including the following steps: S1: Fix the mounting plate 701 in the first installation assembly 7 to the inner wall of the first cabinet body 1 through the mounting foot 702, according to the installation height requirement of the power supply body 8, insert the plug-in board 705 into the T-shaped slot 704 of the mounting plate 701, adjust to the appropriate position, then pass the mounting hole 703 of the mounting plate 701 with the positioning bolt 706 and screw into the plug-in board 705, lock the plug-in board 705 and the placement plate 707, and complete the fixation of the power supply body 8 on the placement plate 707; S2: Push the slider 1202 on the installation frame 1203 in the second installation assembly 12 to slide along the fixed rail 1201, adjust the horizontal spacing of the installation frame 1203 and other elements, install corresponding elements on the first mounting frame 1206, the second mounting frame 1211, and the third mounting frame 1213 respectively, insert the positioning block 1208 into the positioning slot 1207 of the first mounting frame 1206, fix the cover plate 1209, and ensure that the groove 1210 of the cover plate 1209 corresponds to the operating end of the electrical device 1212 and the circuit breaker 1214; S3: Close the second opening and closing door 10, and monitor the running state in real time through the protection assembly 11 - the monitoring table 1102 displays voltage, current and other parameters, the monitor 1103 detects short circuit, over temperature and other faults, the display lamp 1104 prompts the running state through different colors, and the grid plate 1105 blocks dust and water vapor from entering; S4: Start the heat dissipation assembly 5, the wind shield 502 guides external airflow into the installation cover 501 through the connecting slot 503, disperses to each area of the heat dissipation fin 4 through the drainage plate 504, and the two groups of fans 505 facing opposite directions form forced convection of bottom air inlet and top air outlet, thereby taking away the heat inside the first cabinet body 1 and the second cabinet body 9; S5: If it is necessary to adjust the element layout, loosen the positioning bolt 706 to adjust the height of the placement plate 707 in the first cabinet body 1, re-lock the positioning bolt 706, or push the slider 1202 of the installation frame 1203 to move horizontally along the fixed rail 1201, adjust the spacing between the installation frame 1203 and other elements in the second cabinet body 9, during maintenance, pull out the positioning block 1208 to disassemble the cover plate 1209, and repair the internal elements, then re-insert the positioning block 1208 to fix the cover plate 1209 after repair; S6: When it is necessary to move the first cabinet body 1 or the second cabinet body 9, use the hook 2 fixedly installed at the top of the cabinet body, connect the hook 2 through hoisting equipment, stably hoist and move the cabinet body to the designated position, when it is necessary to repair or adjust the internal elements of the first cabinet body 1, open the first opening and closing door 3, and close the first opening and closing door 3 after operation is completed.

[0041] The foregoing merely illustrates the principles of the application and application of its leading features. This application is not limited to the exact details shown above and described herein, and obvious modifications will occur to those skilled in the art upon reading the foregoing description. Therefore, the scope of the application is not to be determined by the specific examples shown above, but only by the claims below. Any reference signs in the claims should not be construed as limiting the scope of the claims.

[0042] Furthermore, it should be appreciated that although the present specification describes particular embodiments, these are merely examples of the same, and that the specification is not limited to only the particular embodiments described. The scope of the present specification extends to all alternatives, modifications, additions and / or deletions, which take into account the technical ideas of the present specification, and which are obvious to those skilled in the art.

Claims

1. A relay protection cabinet, characterized in that, It includes a first cabinet, a first hinged door, and a second cabinet. Hooks are fixedly installed on the top of both the first and second cabinets. Heat dissipation fins are fixedly installed on the back of both the first and second cabinets. Heat dissipation components are fixedly installed at the end of the first and second cabinets near the heat dissipation fins. A first mounting component is fixedly installed inside the first cabinet. A second hinged door is rotatably installed at the end of the second cabinet away from the heat dissipation fins. A protective component is fixedly installed at the end of the second hinged door near the second cabinet. A second mounting component is installed inside the second cabinet. The heat dissipation assembly includes a mounting cover, with fan covers fixedly installed at both the top and bottom ends of the mounting cover, and a deflector plate and a fan fixedly installed at the inner edge of the end of the mounting cover away from the mounting cover. The first mounting component includes a mounting plate with multiple equally spaced mounting holes extending along its edge. An insert plate is inserted into the inner edge of the mounting plate, and a placement plate is fixedly mounted at the end of the insert plate away from the mounting plate. The second mounting component includes a fixed rail and a mounting frame. The fixed rail is fixedly installed on the inner edge of the second cabinet. An adjustment hole is provided through the outer edge of the mounting frame. Mounting bolts are threaded through the upper and lower ends of the mounting frame. A first mounting bracket, a second mounting bracket, and a third mounting bracket are provided on the inner edge of the mounting frame.

2. The relay protection cabinet according to claim 1, characterized in that, A connecting groove is provided through the inner edge of the fan cover, through which the fan cover communicates with the mounting cover, and the heat dissipation fins are located inside the mounting cover.

3. A relay protection cabinet according to claim 2, characterized in that, The cross-section of the air intake plate is triangular, and there are two identical sets of air intake plates and fans, with the two sets of air intake plates and fans facing opposite directions.

4. A relay protection cabinet according to claim 1, characterized in that, Mounting feet are fixedly installed at both ends of the mounting plate. The mounting plate is fixedly installed to the second cabinet through the mounting feet. The side of the mounting plate away from the mounting hole has a slot. Both the slot and the insert plate have a "T" shaped cross-section. The slot and the insert plate are plugged in for installation.

5. A relay protection cabinet according to claim 1, characterized in that, A positioning bolt is threaded through the outer edge of the insertion plate. The positioning bolt passes through the mounting hole and extends into the interior of the placement plate, on which the power supply body is mounted.

6. A relay protection cabinet according to claim 1, characterized in that, The protection components include a protection plate, on which a monitoring meter, a monitor, an indicator light, and a grille are fixedly installed. The second door is a transparent door.

7. A relay protection cabinet according to claim 1, characterized in that, A slider is fixedly installed at one end of the mounting frame near the fixed rail, and the slider is slidably connected to the fixed rail.

8. A relay protection cabinet according to claim 1, characterized in that, The first mounting bracket has a positioning groove at the end away from the mounting frame, and a positioning block is inserted into the inner edge of the positioning groove. A cover plate is fixedly installed at the end of the positioning block away from the first mounting bracket.

9. A relay protection cabinet according to claim 8, characterized in that, The second mounting bracket has an electrical component fixedly mounted at the end furthest from the mounting frame, and the third mounting bracket has a circuit breaker fixedly mounted at the end furthest from the mounting frame. A groove is provided through the inner edge of the cover plate, and the groove corresponds to the electrical component and the circuit breaker.

10. A method of using a relay protection cabinet according to any one of claims 1-9, characterized in that, Includes the following steps: S1: Fix the mounting plate in the first mounting assembly to the inner wall of the first cabinet using mounting feet. According to the installation height requirements of the power supply body, insert the plug into the T-slot of the mounting plate, adjust it to a suitable position, pass through the mounting hole of the mounting plate and screw in the plug, and lock the plug and the placement plate. S2: Push the slider on the mounting frame in the second mounting assembly to slide along the fixed rail, adjust the lateral distance between the mounting frame and other components, and install the corresponding components on the first mounting bracket, the second mounting bracket and the third mounting bracket respectively; S3: Close the second opening / closing door and monitor the operating status in real time through the protection components; S4: Start the heat dissipation components. The fan shroud guides the external airflow into the mounting cover, and the airflow is dispersed to each area of ​​the heat dissipation fins through the air diversion plate. The two sets of fans facing opposite directions form a forced convection with air intake at the bottom and air exhaust at the top, which removes the heat from the inside of the first and second cabinets. S5: If it is necessary to adjust the component layout, adjust the height of the placement plate in the first cabinet, or push the mounting frame to move laterally along the fixed rail, and adjust the distance between the mounting frame and other components in the second cabinet. During maintenance, inspect the internal components. S6: When it is necessary to move the first cabinet or the second cabinet, use the hook fixedly installed on the top of the cabinet, connect the hook through the hoisting equipment, and lift and move the cabinet to the designated position smoothly. When it is necessary to inspect or adjust the internal components of the first cabinet, open the first opening door. After the operation is completed, close the first opening door.

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