Intelligent switch cabinet for digital substation

Abstract

The utility model discloses an intelligent switch cabinet for a digital substation, which relates to the technical field of intelligent switch cabinets and comprises a switch cabinet body, a cabinet door is rotatably mounted at the open end of the switch cabinet body, a mounting plate is mounted on the side wall of the inner bottom of the switch cabinet body, and two through mounting grooves are formed in two sides of the mounting plate. A plurality of threading holes are formed in the middle of the mounting plate, two filter screens are further installed at the bottom of the mounting plate, an air inlet groove communicated with the interior of the switch cabinet body is formed in the side wall of the bottom of the switch cabinet body, and the air inlet groove is located at the bottom of the mounting plate; a plurality of second heat dissipation fans are further installed on the side wall of the inner top of the switch cabinet body, heat dissipation grooves corresponding to the second heat dissipation fans are formed in the side wall of the top of the switch cabinet body, and dust removal parts corresponding to the heat dissipation grooves are arranged outside the switch cabinet body. The heat dissipation effect is poor; and the cabinet body lacks necessary dust removal treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent switch cabinets, in particular to an intelligent switch cabinet for a digital substation. Background Art

[0002] Digital substations are a vital component of modern power systems. By integrating advanced information technologies such as the Internet of Things, cloud computing, big data analytics, and artificial intelligence, they enable highly automated and intelligent substation management. Intelligent switchgear is a key component of digital substations, integrating modern technologies to enable intelligent management and monitoring of power equipment.

[0003] As switchgear gradually develops toward higher rated currents, higher enclosure protection levels, and smaller sizes, many existing intelligent switchgears adopt sealed structures. However, the heat generated by the operation of internal equipment in sealed switchgears often cannot be effectively dissipated. Therefore, it is necessary to address the heating and heat dissipation issues of the switchgear and limit the temperature rise at each location to within the permitted range. Excessive internal temperature in the cabinet will accelerate the aging of components and reduce the insulation performance and reliability of the switchgear. Most existing traditional intelligent switchgears use a combination of a heat sink, a temperature sensor, and an intelligent controller. The temperature sensor senses the temperature inside the cabinet and the controller controls the opening and closing of the heat sink to dissipate the heat inside the cabinet. This heat dissipation method has poor heat dissipation effect. The switchgear cannot exchange air with the outside world, resulting in less heat dissipation. Intelligent heat dissipation is performed around the heat sink, but poor heat dissipation is not achieved for areas away from the heat sink. Therefore, overall heat dissipation of the cabinet cannot be achieved. Furthermore, existing cabinets lack the necessary dust-proof structures during heat dissipation, allowing dust from the outside to enter the cabinet through the heat dissipation vents. A solution to the above problems is proposed below. Utility Model Content

[0004] The purpose of the utility model is to provide an intelligent switch cabinet for a digital substation, which solves the problem raised in the above background technology that the existing intelligent switch cabinet cannot achieve circulation with the external air during heat dissipation, resulting in poor heat dissipation effect, inability to achieve overall heat dissipation and lack of necessary dust removal treatment for the cabinet.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] The vents are formed on the top of the switch cabinet body, and the vents are formed on the top of the switch cabinet body, and the vents are formed on the top of the switch cabinet body. The vents are formed on the top of the switch cabinet body, and the vents are formed on the bottom of the switch cabinet body. The vents are formed on the top of the switch cabinet body, and the vents are formed on the bottom of the switch cabinet body.

[0007] Preferably, the dust removal part includes a dust removal box and a dust removal plate. The dust removal box is installed on the outer wall of the switch cabinet. The dust removal box corresponds to the heat dissipation groove. A heat dissipation grille is installed at one end of the dust removal box away from the switch cabinet. A through slide groove is provided on the top of the dust removal box. The dust removal plate is slidably arranged in the through slide groove. A lifting strip is installed on the top of the dust removal plate.

[0008] Preferably, the mounting plate is a detachable structure, the mounting plate is mounted inside the switch cabinet by bolts, the two sides of the mounting plate are upwardly inclined structures, and the two cooling fans are also installed in an inclined manner to match the mounting plate.

[0009] Preferably, a temperature sensor is installed inside the switch cabinet, a controller is installed on the cabinet door of the switch cabinet, and the controller is connected to the temperature sensor by wires.

[0010] Preferably, each of the air inlet slots is equipped with a heat dissipation grille 2.

[0011] Preferably, each threading hole is provided with a rubber sleeve.

[0012] Beneficial effect: When the temperature inside the switch cabinet is too high, the cooling fan at the bottom will start up and blow air from the bottom up to the inside of the cabinet to dissipate heat, so that the hot air at the bottom can be blown upward. At this time, the cooling fan 2 will also start up and blow the air inside the cabinet outward. The cooling fan 1 will suck the outside air into the cabinet, and the cooling fan 2 will blow the hot air inside the cabinet out of the cabinet, thereby realizing a gas exchange and making better heat exchange possible.

[0013] When cooling fan 1 and cooling fan 2 are taking in and exhausting air, the air will be filtered through the filter and dust removal plate, thereby achieving a dust-proof effect. The filter can prevent cooling fan 1 from sucking external dust into the switch cabinet. By installing the dust removal plate, cooling fan 2 can prevent external dust from entering the switch cabinet when it does not need to dissipate heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment;

[0015] Figure 2 This is a schematic diagram of a partial cross-sectional structure of an embodiment for illustrating a switch cabinet body with the cabinet door removed;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the embodiment for showing the mounting plate;

[0017] Figure 4 For example, for demonstration Figure 3 Schematic diagram of the enlarged structure of A;

[0018] Figure 5 This is a schematic diagram showing the back structure of a switch cabinet in an embodiment;

[0019] Figure 6 The figure is a schematic diagram of the cross-section structure of the dust removal part for illustrating an embodiment.

[0020] Figure numerals: 1. switch cabinet; 2. cabinet door; 3. mounting plate; 4. through-mounting slot; 5. cooling fan 1; 6. threading hole; 7. filter; 8. air inlet slot; 9. cooling fan 2; 10. heat dissipation slot; 11. dust removal unit; 12. dust removal box; 13. dust removal plate; 14. heat dissipation grille 1; 15. through-slide slot; 16. temperature sensor; 17. controller; 18. heat dissipation grille 2; 19. rubber sleeve. DETAILED DESCRIPTION

[0021] See Figures 1 to 4As shown, an intelligent switchgear for a digital substation includes a switchgear body 1. The front end of the switchgear body 1 is through-set, and a cabinet door 2 is rotatably mounted on the open end of the switchgear body 1. A temperature sensor 16 is mounted inside the switchgear body 1. A controller 17 is mounted on the cabinet door 2 of the switchgear body 1. The controller 17 is connected to the temperature sensor 16 by wire. When the switchgear body 1 is in use, the cabinet door 2 is closed to prevent external dust from entering the cabinet. The cabinet can also provide protection. The temperature sensor 16 installed inside the switchgear body 1 allows the temperature inside the switchgear body 1 to be detected. The temperature sensor 16 transmits the monitored data to the controller 17. The controller 17 contains a microprocessor or logic circuit for receiving and processing signals from the temperature sensor. The controller analyzes the data according to a preset temperature threshold or algorithm. By receiving the data, the controller 17 can detect whether the temperature inside the switchgear body 1 is at an appropriate value. The controller 17 is also provided with a user interface, namely a display screen and an alarm, so that the operator can monitor the internal temperature status of the switchgear body 1 and perform manual intervention in a timely manner when necessary.

[0022] See Figure 2 、 3 As shown in Figure 4, a mounting plate 3 is installed on the inner bottom side wall of the switch cabinet 1. A plurality of wire holes 6 are opened in the middle of the mounting plate 3. The mounting plate 3 is a detachable structure. The mounting plate 3 is installed inside the switch cabinet 1 by bolts. When the switch cabinet 1 is used, the mounting plate 3 will be installed on the bottom side wall of the cabinet in advance. The cables used to connect with the internal electrical components will enter the cabinet through the wire holes 6. A rubber sleeve 19 is provided in each wire hole 6. By installing the rubber sleeve 19 in the wire hole 6, the cable can be better adapted to the wire hole 6.

[0023] Two through-mounting slots 4 are provided on both sides of the mounting plate 3, and a cooling fan 5 is installed in each of the two through-mounting slots 4. The two sides of the mounting plate 3 are in an upwardly inclined structure, and the two cooling fans 5 are also installed in an inclined shape to match the mounting plate 3. The inclined cooling fans 5 can promote air flow more effectively because they can provide better convection along the hot air flow path inside the cabinet. The inclination angle of the cooling fan 5 helps to push the hot air upward from the bottom, promote the hot air to rise and be discharged from the top, thereby achieving more effective heat exchange. Two filters 7 are also installed at the bottom of the mounting plate 3, and the two filters 7 correspond to the through-mounting slots 4. The switch cabinet 1 An air intake slot 8 communicating with the interior of the switch cabinet 1 is provided on the bottom side wall. The air intake slot 8 is located at the bottom of the mounting plate 3. When the controller 17 processes the data transmitted by the temperature sensor 16 and finds that the detected temperature is higher than the set value, the controller 17 will control the cooling fan 5 to start. The cooling fan 5 draws outside air into the bottom of the switch cabinet 1 through the air intake slots 8 and discharges it to the upper end of the mounting plate 3. When the gas passes through the through-mounting slot 4 and enters the upper end of the switch cabinet 1, it will first pass through the filter 7. The gas can be filtered by the filter 7, and the filtered gas will pass through the through-mounting slot 4 and enter the upper end of the switch cabinet 1.

[0024] A second heat dissipation grille 18 is installed on each air inlet slot 8 . By installing the second heat dissipation grille 18 on the air inlet slot 8 , dust can be reduced from entering the interior of the switch cabinet 1 .

[0025] See Figure 2 and 6 As shown, a plurality of cooling fans 29 are also installed on the inner top side wall of the switch cabinet 1. A heat dissipation slot 10 corresponding to the cooling fan 29 is opened on the top side wall of the switch cabinet 1. When the cooling fan 15 is started, the controller 17 will also control the cooling fan 29 to start, and the heat will be dissipated together through the cooling fan 29. The cooling fan 15 is used to blow air from the bottom to the inside of the cabinet to dissipate heat, so that the hot air at the bottom can be blown upward. At this time, the cooling fan 29 will also be started, and the cooling fan 29 will blow the gas inside the cabinet outward through the heat dissipation slot 10. The cooling fan 15 will suck the external gas into the cabinet, and the cooling fan 29 will blow the hot gas in the cabinet to the outside of the cabinet, thereby realizing a gas exchange, so that better heat exchange can be performed.

[0026] See Figure 5 and 6As shown, a dust removal portion 11 corresponding to the heat dissipation slot 10 is provided on the outside of the switch cabinet 1. Since the heat dissipation fan 29 is in a closed state when the switch cabinet 1 does not need to dissipate heat, external dust will enter the switch cabinet 1 through the heat dissipation slot 10, affecting the operation of the electrical components inside the switch cabinet 1. It will also adhere to the heat dissipation fan 29, thereby affecting the subsequent heat dissipation efficiency of the heat dissipation fan 29. By installing the dust removal portion 11 at the heat dissipation slot 10, it is possible to effectively prevent external dust from entering the switch cabinet 1, reducing the pollution and damage to the electrical components by dust.

[0027] The dust removal part 11 includes a dust removal box 12 and a dust removal plate 13. The dust removal box 12 is installed on the outer wall of the switch cabinet 1. The dust removal box 12 corresponds to the heat dissipation slot 10. A heat dissipation grille 14 is installed at the end of the dust removal box 12 away from the switch cabinet 1. A through slide 15 is provided on the top of the dust removal box 12. The dust removal plate 13 is slidably arranged in the through slide 15. The gas discharged by the cooling fan 29 will enter the dust removal box 12. The gas will pass through the dust removal plate 13 and then be discharged by the heat dissipation grille 14. This can prevent dust from entering the switch cabinet 1 through the heat dissipation groove 10. A lifting strip is installed on the top of the dust removal plate 13, and the dust removal plate 13 is installed through the through slide groove 15. However, when the dust removal plate 13 needs to be cleaned, the lifting head can be pulled upwards so that the dust removal plate 13 can be pulled out of the dust removal box 12 for cleaning. After cleaning, the dust removal plate 13 can be reinserted into the through slide groove 15. The easy-to-disassemble and clean structure of the dust removal plate 13 allows maintenance personnel to easily clean and maintain it, keeping the equipment in good operating condition.

Claims

1. An intelligent switch cabinet for a digital substation, comprising a switch cabinet body (1), characterized in that: The front end of the switch cabinet (1) is through-set, and a cabinet door (2) is rotatably mounted on the open end of the switch cabinet (1). A mounting plate (3) is mounted on the inner bottom side wall of the switch cabinet (1). Two through-mounting grooves (4) are provided on both sides of the mounting plate (3). A cooling fan (5) is installed in each of the two through-mounting grooves (4). A plurality of threading holes (6) are provided in the middle of the mounting plate (3). Two filter screens (7) are also mounted on the bottom of the mounting plate (3). Both filter screens (7) are connected to the through-mounting grooves (4). The switch cabinet (1) is provided with an air intake groove (8) on the bottom side wall thereof, which is in communication with the interior of the switch cabinet (1). The air intake groove (8) is located at the bottom of the mounting plate (3). A plurality of cooling fans (9) are also installed on the inner top side wall of the switch cabinet (1). A heat dissipation groove (10) corresponding to the cooling fans (9) is provided on the top side wall of the switch cabinet (1). A dust removal portion (11) corresponding to the heat dissipation groove (10) is provided on the outside of the switch cabinet (1).

2. The intelligent switch cabinet for a digital substation according to claim 1, characterized in that: The dust removal part (11) includes a dust removal box (12) and a dust removal plate (13). The dust removal box (12) is installed on the outer wall of the switch cabinet (1). The dust removal box (12) corresponds to the heat dissipation groove (10). A heat dissipation grille (14) is installed at one end of the dust removal box (12) away from the switch cabinet (1). A through slide groove (15) is provided on the top of the dust removal box (12). The dust removal plate (13) is slidably arranged in the through slide groove (15). A lifting strip is installed on the top of the dust removal plate (13).

3. The intelligent switch cabinet for a digital substation according to claim 1, characterized in that: The mounting plate (3) is a detachable structure. The mounting plate (3) is mounted inside the switch cabinet (1) by means of bolts. Both sides of the mounting plate (3) are upwardly inclined structures. The two cooling fans (5) are also installed in an inclined manner in coordination with the mounting plate (3).

4. The intelligent switch cabinet for a digital substation according to claim 1, characterized in that: A temperature sensor (16) is installed inside the switch cabinet (1), and a controller (17) is installed on the cabinet door (2) of the switch cabinet (1). The controller (17) is connected to the temperature sensor (16) via an electric wire.

5. The intelligent switch cabinet for a digital substation according to claim 1, characterized in that: Each of the air inlet slots (8) is provided with a second heat dissipation grille (18).

6. The intelligent switch cabinet for a digital substation according to claim 1, characterized in that: A rubber sleeve (19) is provided in each threading hole (6).

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