Electrical cabinet based on airflow adaptive dynamic heat dissipation and control method thereof

Abstract

The invention discloses an electrical cabinet based on airflow adaptive dynamic heat dissipation and a control method thereof.The electrical cabinet comprises an electrical cabinet body, a plurality of cavity partition plates divide the interior of the electrical cabinet body into a plurality of electrical partition cavities, a conducting bar arrangement assembly is arranged in the electrical cabinet body, and a side edge air inlet flow guide assembly is arranged on one side of the electrical cabinet body; the conducting bar laying assembly, the side air inlet flow guide assembly and the side heat dissipation flow guide assembly are communicated with one another, and the side air inlet flow guide assembly and the side heat dissipation flow guide assembly carry out self-adaptive dynamic adjustment heat dissipation according to the array temperature sensor. The electrical cabinet is provided with the side air inlet flow guide assembly, the side heat dissipation flow guide assembly and the array temperature sensor, self-adaptive dynamic heat dissipation in each electrical partition cavity in the electrical cabinet is achieved, energy consumption is reduced while it is guaranteed that the heat dissipation requirement is met, air supply and heat dissipation according to needs are achieved, the different heat dissipation requirements of different partitions of the electrical cabinet are met, and the service life of the electrical cabinet is prolonged. And the heat dissipation adaptivity of the electrical cabinet is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of electrical cabinets, and particularly relates to an electrical cabinet based on air flow adaptive dynamic heat dissipation and a control method thereof. Background Art

[0002] An electrical cabinet is a cabinet made of steel materials to protect components from working properly. The materials for making electrical cabinets are generally divided into two types: hot-rolled steel plates and cold-rolled steel plates. Cold-rolled steel plates are relatively softer in material and more suitable for making electrical cabinets. Electrical cabinets are widely used in the chemical industry, environmental protection industry, power system, metallurgical system, industry, nuclear power industry, fire safety monitoring, transportation industry, and so on.

[0003] When the existing electrical cabinets dissipate heat, they rely on fixed-speed fans or single temperature threshold to control heat dissipation, and cannot dynamically adjust according to the temperature distribution and load fluctuations inside the cabinet, resulting in local overheating or excessive heat dissipation. In addition, the constant wind speed operation or simple start-stop control has insufficient heat dissipation under high load and redundant energy consumption under low load. For this reason, we propose an electrical cabinet based on air flow adaptive dynamic heat dissipation and a control method thereof. Summary of the Invention

[0004] The purpose of the present invention is to provide an electrical cabinet based on air flow adaptive dynamic heat dissipation and a control method thereof to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An electrical cabinet based on air flow adaptive dynamic heat dissipation, comprising: An electrical cabinet body, on which an electrical cabinet door is hinged; A cavity partition board, there are several of them, and several cavity partition boards are arranged at equal intervals in the electrical cabinet body, so that the interior of the electrical cabinet body is divided into multiple electrical compartments, and electrical horizontal boards for installing electrical devices are arranged in multiple electrical compartments; A conductive busbar layout component, which is arranged in the electrical cabinet body and extends into multiple electrical compartments; A side air intake and diversion component, which is arranged on one side of the electrical cabinet body, and the side air intake and diversion component is communicated with multiple electrical compartments; A side heat dissipation and diversion component, which is arranged on the other side of the electrical cabinet body, and the side heat dissipation and diversion component is communicated with multiple electrical compartments; The conductive busbar layout component, the side air intake and diversion component and the side heat dissipation and diversion component are connected and communicated with each other; An array of temperature sensors is provided in each of the plurality of electrical compartments, and the side air intake diversion assembly and the side heat dissipation diversion assembly perform adaptive dynamic adjustment of heat dissipation according to the array of temperature sensors.

[0006] Preferably, the number of the electrical cross plates provided in each electrical compartment is adjusted according to the assembly requirements of electrical devices.

[0007] Preferably, the busbar layout assembly includes a busbar layout cavity box and a busbar entry end; The busbar layout cavity box is provided at the rear side inside the electrical cabinet, and the busbar layout cavity box penetrates through the cavity partition and extends into each electrical compartment. The busbar entry end is provided at the upper end of the electrical cabinet, and the busbar layout cavity box is communicated with the busbar entry end.

[0008] Preferably, busbar outlets are provided at positions corresponding to each electrical compartment on the busbar layout cavity box.

[0009] Preferably, the side air intake diversion assembly includes an air intake diversion cavity shell, an electric air intake diversion grille plate, and an air intake speed regulating fan; The air intake diversion cavity shell is provided on one side inside the electrical cabinet. A plurality of electric air intake diversion grille plates are provided at positions corresponding to each electrical compartment on the electrical cabinet. The electric air intake diversion grille plates are communicated with the air intake diversion cavity shell. A plurality of air intake speed regulating fans are provided at positions corresponding to each electrical compartment on the air intake diversion cavity shell. The air intake speed regulating fans are communicated with the air intake diversion cavity shell.

[0010] Preferably, the side heat dissipation diversion assembly includes a heat dissipation diversion cavity shell, an electric heat dissipation diversion grille plate, and a heat dissipation speed regulating fan; The heat dissipation diversion cavity shell is provided on the side of the electrical cabinet away from the air intake diversion cavity shell. A plurality of electric heat dissipation diversion grille plates are provided at positions corresponding to each electrical compartment on the electrical cabinet. The electric heat dissipation diversion grille plates are communicated with the heat dissipation diversion cavity shell. A plurality of heat dissipation speed regulating fans are provided at positions corresponding to each electrical compartment on the heat dissipation diversion cavity shell. The heat dissipation speed regulating fans are communicated with the heat dissipation diversion cavity shell.

[0011] Preferably, a circulation pipeline for communicating the busbar layout cavity box, the air intake diversion cavity shell, and the heat dissipation diversion cavity shell is provided in each electrical compartment.

[0012] Preferably, when the electric intake guide grille and the electric heat dissipation guide grille are opened, they are both in a state of inclining downward from the inside of the electrical cabinet to the outside.

[0013] Preferably, the array temperature sensor, the electric intake guide grille, the intake speed regulating fan, the electric heat dissipation guide grille, and the heat dissipation speed regulating fan are all connected to the microcontroller; And the opening and closing angles of the electric intake guide grille and the electric heat dissipation guide grille, and the rotation speeds and output powers of the intake speed regulating fan and the heat dissipation speed regulating fan are all adjusted by the microcontroller according to the temperature signals fed back by the array temperature sensor.

[0014] A control method for an electrical cabinet based on air-flow adaptive dynamic heat dissipation includes the following steps: A. Presetting temperature thresholds: According to the temperature requirements of different types of electrical devices in each electrical compartment during operation, preset the first temperature threshold, the second temperature threshold, and the third temperature threshold for each electrical compartment; Among them, the first temperature threshold is the optimal temperature for the electrical device exceeding the operating state, the second temperature threshold is the medium-high temperature range for the electrical device exceeding the optimal temperature of the operating state, and the third temperature threshold is the high temperature range for the electrical device exceeding the optimal temperature of the operating state; B. Temperature data acquisition and preprocessing: Detect the temperatures at different positions in each electrical compartment through the array temperature sensors arranged in each electrical compartment, obtain the temperature signals at different positions in each electrical compartment in real time, and output the obtained temperature signals at different positions in each electrical compartment to the microcontroller. The microcontroller receives the temperature data and performs moving average filtering on the temperature data to eliminate the disturbance of instantaneous temperature data, and obtains the temperature data at different positions in each electrical compartment; C. Adaptive dynamic heat dissipation control: When the temperature data detected by the array temperature sensor in one or more of the electrical compartments received by the microcontroller exceeds the first temperature threshold, the second temperature threshold, or the third temperature threshold, the microcontroller controls the electric intake guide grille and the electric heat dissipation guide grille of the corresponding electrical compartment to open, and starts the intake speed regulating fan and the heat dissipation speed regulating fan of the corresponding electrical compartment, and adjusts the opening and closing angles of the electric intake guide grille and the electric heat dissipation guide grille, and the rotation speeds and output powers of the intake speed regulating fan and the heat dissipation speed regulating fan according to the exceeded first temperature threshold, second temperature threshold, or third temperature threshold; At this time, external air enters the intake air guide cavity shell through the electric intake air guide grille, is blown to the corresponding electrical partition cavity by the intake air speed regulating fan, exchanges heat with the electrical devices and hot air in the electrical partition cavity, and then the heat-exchanged air is sucked into the heat dissipation guide cavity shell by the heat dissipation speed regulating fan and discharged by the electric heat dissipation guide grille, realizing the adaptive dynamic heat dissipation of the electrical cabinet.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The present invention is provided with a side intake air guide assembly, a side heat dissipation air guide assembly and an array temperature sensor. The opening and closing angles of the electric intake air guide grille and the electric heat dissipation air guide grille, as well as the rotation speed and output power of the intake air speed regulating fan and the heat dissipation speed regulating fan, are all adjusted by the microcontroller according to the temperature signal fed back by the array temperature sensor, realizing the adaptive dynamic heat dissipation in each electrical partition cavity of the electrical cabinet, and adjusting the opening and closing angles of the electric intake air guide grille and the electric heat dissipation air guide grille, as well as the rotation speed and output power of the intake air speed regulating fan and the heat dissipation speed regulating fan, reducing energy consumption while ensuring the satisfaction of heat dissipation requirements, realizing on-demand air supply for heat dissipation, meeting the different heat dissipation requirements of different partitions of the electrical cabinet, and further improving the heat dissipation adaptability of the electrical cabinet; 2. The present invention is provided with a conductive bar layout assembly, a side intake air guide assembly and a side heat dissipation air guide assembly. When heat dissipation is carried out in each electrical partition cavity of the electrical cabinet, external air can enter the circulation pipeline from the intake air guide cavity shell, and then enter the conductive bar layout cavity box to exchange heat with the conductive bar for heat dissipation, and then the heat-exchanged hot air is transported to the heat dissipation guide cavity shell by the circulation pipeline and discharged from the electrical cabinet, realizing the effective heat dissipation of the conductive bar, further improving the heat dissipation effect of the electrical cabinet and ensuring the normal operation of the electrical cabinet. Description of the Drawings

[0016] Figure 1 is the overall three-dimensional structure schematic diagram of the present invention; Figure 2 is the overall three-dimensional structure schematic diagram of the present invention; Figure 3 is the main view sectional structure schematic diagram of the present invention; Figure 4 is the side view sectional structure schematic diagram of the present invention; Figure 5 is the partial three-dimensional structure schematic diagram of the present invention; Figure 6 is the partial three-dimensional structure schematic diagram of the present invention; Figure 7 is the main view structure schematic diagram of the electrical cabinet body of the present invention.

[0017] In the figure: 1. Electrical cabinet body; 2. Electrical cabinet door; 3. Cavity partition board; 4. Electrical horizontal board; 5. Conductive bar layout component; 501. Conductive bar layout cavity box; 502. Conductive bar inlet end; 503. Conductive bar outlet; 504. Circulation pipeline; 6. Side air intake and diversion component; 601. Air intake and diversion cavity shell; 602. Electric air intake and diversion grille; 603. Air intake speed regulating fan; 7. Side heat dissipation and diversion component; 701. Heat dissipation and diversion cavity shell; 702. Electric heat dissipation and diversion grille; 703. Heat dissipation speed regulating fan; 8. Array temperature sensor. Specific implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-7 , the electrical cabinet based on air flow adaptive dynamic heat dissipation provided by the present invention includes: Electrical cabinet body 1, and an electrical cabinet door 2 is hinged on the electrical cabinet body 1; Cavity partition boards 3, there are several of them, and several cavity partition boards 3 are arranged at equal intervals in the electrical cabinet body 1, so that the interior of the electrical cabinet body 1 is divided into multiple electrical compartments. Electrical horizontal boards 4 for installing electrical devices are arranged in each electrical compartment, and the number of electrical horizontal boards 4 arranged in each electrical compartment is adjusted according to the assembly requirements of the electrical devices, which is convenient for the installation and use of the electrical devices in each electrical compartment; Conductive bar layout component 5, the conductive bar layout component 5 is arranged in the electrical cabinet body 1 and extends into multiple electrical compartments. The conductive bar layout component 5 includes a conductive bar layout cavity box 501 and a conductive bar inlet end 502; the conductive bar layout cavity box 501 is arranged at the rear side inside the electrical cabinet body 1, and the conductive bar layout cavity box 501 penetrates through the cavity partition board 3 and extends into each electrical compartment. The conductive bar inlet end 502 is arranged at the upper end of the electrical cabinet body 1, and the conductive bar layout cavity box 501 and the conductive bar inlet end 502 are connected and communicated. Conductive bar outlets 503 are opened at positions corresponding to each electrical compartment on the conductive bar layout cavity box 501, which is convenient for the layout and use of the conductive bars; Side air intake and diversion assembly 6. A side air intake and diversion assembly 6 is provided on one side of the electrical cabinet 1. The side air intake and diversion assembly 6 is communicated with a plurality of electrical compartments. The side air intake and diversion assembly 6 includes an air intake and diversion cavity shell 601, an electric air intake and diversion grille plate 602, and an air intake speed regulating fan 603. The air intake and diversion cavity shell 601 is provided on one side inside the electrical cabinet 1. A number of electric air intake and diversion grille plates 602 are provided. The number of electric air intake and diversion grille plates 602 is provided at positions on the electrical cabinet 1 corresponding to each electrical compartment. The electric air intake and diversion grille plate 602 is communicated with the air intake and diversion cavity shell 601. A number of air intake speed regulating fans 603 are provided. The number of air intake speed regulating fans 603 is provided at positions on the air intake and diversion cavity shell 601 corresponding to each electrical compartment. The air intake speed regulating fan 603 is communicated with the air intake and diversion cavity shell 601. Side heat dissipation and diversion assembly 7. A side heat dissipation and diversion assembly 7 is provided on the other side of the electrical cabinet 1. The side heat dissipation and diversion assembly 7 is communicated with a plurality of electrical compartments. The side heat dissipation and diversion assembly 7 includes a heat dissipation and diversion cavity shell 701, an electric heat dissipation and diversion grille plate 702, and a heat dissipation speed regulating fan 703. The heat dissipation and diversion cavity shell 701 is provided on the side inside the electrical cabinet 1 far from the air intake and diversion cavity shell 601. A number of electric heat dissipation and diversion grille plates 702 are provided. The number of electric heat dissipation and diversion grille plates 702 is provided at positions on the electrical cabinet 1 corresponding to each electrical compartment. The electric heat dissipation and diversion grille plate 702 is communicated with the heat dissipation and diversion cavity shell 701. A number of heat dissipation speed regulating fans 703 are provided. The number of heat dissipation speed regulating fans 703 is provided at positions on the heat dissipation and diversion cavity shell 701 corresponding to each electrical compartment. The heat dissipation speed regulating fan 703 is communicated with the heat dissipation and diversion cavity shell 701. When the electric air intake and diversion grille plate 602 and the electric heat dissipation and diversion grille plate 702 are opened, they are both in a state of inclining downward from the inside of the electrical cabinet 1 to the outside. The conductive busbar layout assembly 5, the side air intake and diversion assembly 6, and the side heat dissipation and diversion assembly 7 are communicated with each other. A circulation pipeline 504 for communicating the conductive busbar layout cavity box 501, the air intake and diversion cavity shell 601, and the heat dissipation and diversion cavity shell 701 is provided in each electrical compartment. Array temperature sensors 8 are provided in a plurality of electrical compartments. The side air intake and diversion assembly 6 and the side heat dissipation and diversion assembly 7 perform adaptive dynamic regulation of heat dissipation according to the array temperature sensors 8. The array temperature sensors 8, the electric air intake and diversion grille plate 602, the air intake speed regulating fan 603, the electric heat dissipation and diversion grille plate 702, and the heat dissipation speed regulating fan 703 are all connected to the microcontroller. Moreover, the opening and closing angles of the electric air intake and diversion grille plate 602 and the electric heat dissipation and diversion grille plate 702, and the rotation speed and output power of the air intake speed regulating fan 603 and the heat dissipation speed regulating fan 703 are all regulated by the microcontroller according to the temperature signals fed back by the array temperature sensors 8.

[0020] The present invention is provided with a side air intake and diversion assembly 6, a side heat dissipation and diversion assembly 7, and an array temperature sensor 8. During use, the array temperature sensor 8 arranged in each electrical partition chamber detects the temperatures at different positions in each electrical partition chamber, obtains the temperature signals at different positions in each electrical partition chamber in real time, and outputs the obtained temperature signals at different positions in each electrical partition chamber to a microcontroller. The microcontroller receives the temperature data. When the temperature data detected by one or more of the array temperature sensors 8 in the electrical partition chambers received by the microcontroller exceeds the first temperature threshold, the second temperature threshold, or the third temperature threshold, the microcontroller controls the electric air intake diversion grille 602 and the electric heat dissipation diversion grille 702 of the corresponding electrical partition chamber to open, starts the air intake speed regulating fan 603 and the heat dissipation speed regulating fan 703 of the corresponding electrical partition chamber, and adjusts the opening and closing angles of the electric air intake diversion grille 602 and the electric heat dissipation diversion grille 702, as well as the rotation speeds and output powers of the air intake speed regulating fan 603 and the heat dissipation speed regulating fan 703 according to the exceeded first temperature threshold, the second temperature threshold, or the third temperature threshold. External air enters the air intake diversion chamber housing 601 through the electric air intake diversion grille 602, is blown into the corresponding electrical partition chamber by the air intake speed regulating fan 603, exchanges heat with the electrical devices and hot air in the electrical partition chamber, and then the heat-exchanged air is sucked into the heat dissipation diversion chamber housing 701 by the heat dissipation speed regulating fan 703 and discharged by the electric heat dissipation diversion grille 702, realizing the adaptive dynamic heat dissipation of the electrical cabinet. The opening and closing angles of the electric air intake diversion grille 602 and the electric heat dissipation diversion grille 702, as well as the rotation speeds and output powers of the air intake speed regulating fan 603 and the heat dissipation speed regulating fan 703 are all adjusted by the microcontroller according to the temperature signals fed back by the array temperature sensor 8, realizing the adaptive dynamic heat dissipation in each electrical partition chamber of the electrical cabinet, and adjusting the opening and closing angles of the electric air intake diversion grille 602 and the electric heat dissipation diversion grille 702, as well as the rotation speeds and output powers of the air intake speed regulating fan 603 and the heat dissipation speed regulating fan 703, reducing energy consumption while ensuring that the heat dissipation requirements are met, realizing air supply for heat dissipation on demand, meeting the different heat dissipation requirements of different partitions of the electrical cabinet, and further improving the heat dissipation adaptability of the electrical cabinet.

[0021] The present invention is provided with a busbar layout assembly 5, a side air intake and diversion assembly 6, and a side heat dissipation and diversion assembly 7. When dissipating heat in each electrical partition chamber of the electrical cabinet, external air can enter the circulation pipeline 504 from the air intake diversion chamber housing 601, and then enter the busbar layout chamber box 501 to exchange heat and dissipate heat from the busbar. Then, the heat-exchanged hot air is transported to the heat dissipation diversion chamber housing 701 by the circulation pipeline 504 and discharged from the electrical cabinet, realizing the effective heat dissipation of the busbar, further improving the heat dissipation effect of the electrical cabinet, and ensuring the normal operation of the electrical cabinet.

[0022] The control method of the electrical cabinet based on air flow adaptive dynamic heat dissipation provided in this embodiment includes the following steps: A. Preset temperature thresholds: According to the temperature requirements of different types of electrical devices in each electrical partition chamber during operation, preset the first temperature threshold, the second temperature threshold, and the third temperature threshold for each electrical partition chamber; Among them, the first temperature threshold is the optimal temperature for the electrical device exceeding the operating state, the second temperature threshold is the medium-high temperature range for the electrical device being in the temperature range exceeding the optimal temperature of the operating state, and the third temperature threshold is the high temperature range for the electrical device being in the temperature range exceeding the optimal temperature of the operating state; B. Temperature data acquisition and preprocessing: Detect the temperatures at different positions in each electrical partition chamber through the array temperature sensors 8 arranged in each electrical partition chamber, obtain the temperature signals at different positions in each electrical partition chamber in real time, and output the obtained temperature signals at different positions in each electrical partition chamber to the microcontroller. The microcontroller receives the temperature data and performs moving average filtering on the temperature data to eliminate the disturbance of instantaneous temperature data, and obtains the temperature data at different positions in each electrical partition chamber; C. Adaptive dynamic heat dissipation control: When the temperature data detected by the array temperature sensors 8 in one or more electrical partition chambers received by the microcontroller exceeds the first temperature threshold, the second temperature threshold, or the third temperature threshold, the microcontroller controls the electric intake air guide grille 602 and the electric heat dissipation guide grille 702 of the corresponding electrical partition chamber to open, and starts the intake air speed regulating fan 603 and the heat dissipation speed regulating fan 703 of the corresponding electrical partition chamber, and adjusts the opening angles of the electric intake air guide grille 602 and the electric heat dissipation guide grille 702, as well as the rotation speeds and output powers of the intake air speed regulating fan 603 and the heat dissipation speed regulating fan 703 according to the exceeded first temperature threshold, second temperature threshold, or third temperature threshold; At this time, external air enters the intake air guide chamber housing 601 through the electric intake air guide grille 602, is blown into the corresponding electrical partition chamber by the intake air speed regulating fan 603, exchanges heat with the electrical devices and hot air in the electrical partition chamber, and then the heat-exchanged air is sucked into the heat dissipation guide chamber housing 701 by the heat dissipation speed regulating fan 703 and discharged by the electric heat dissipation guide grille 702, realizing the adaptive dynamic heat dissipation of the electrical cabinet.

[0023] Through the control method of the electrical cabinet based on air-flow adaptive dynamic heat dissipation for heat dissipation control of the electrical cabinet, the present invention can perform separate heat dissipation control for each partition in the electrical cabinet, reduce energy consumption, realize on-demand air supply for heat dissipation, meet the different heat dissipation requirements of different partitions in the electrical cabinet, and further improve the heat dissipation self-adaptability of the electrical cabinet.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electrical cabinet based on air flow self - adaptive dynamic heat dissipation, characterized in that, Comprising: An electrical cabinet body (1), on which an electrical cabinet door (2) is hinged; A cavity partition board (3), several of which are provided, and the several cavity partition boards (3) are arranged at equal intervals in the electrical cabinet body (1), so that the interior of the electrical cabinet body (1) is divided into multiple electrical compartments, and electrical cross plates (4) for installing electrical devices are arranged in each of the multiple electrical compartments; A busbar layout assembly (5), which is arranged in the electrical cabinet body (1) and extends into the multiple electrical compartments; A side air intake and diversion assembly (6), which is arranged on one side of the electrical cabinet body (1), and the side air intake and diversion assembly (6) is communicated with each of the multiple electrical compartments; A side heat dissipation and diversion assembly (7), which is arranged on the other side of the electrical cabinet body (1), and the side heat dissipation and diversion assembly (7) is communicated with each of the multiple electrical compartments; The busbar layout assembly (5), the side air intake and diversion assembly (6) and the side heat dissipation and diversion assembly (7) are communicated with each other; Array temperature sensors (8) are arranged in each of the multiple electrical compartments, and the side air intake and diversion assembly (6) and the side heat dissipation and diversion assembly (7) perform adaptive dynamic adjustment of heat dissipation according to the array temperature sensors (8).

2. The electric cabinet based on air flow self-adaptive dynamic heat dissipation according to claim 1, wherein: The number of the electrical cross plates (4) arranged in each electrical compartment is adjusted according to the assembly requirements of the electrical devices.

3. The electric cabinet based on air flow self-adaptive dynamic heat dissipation according to claim 1, wherein: The busbar layout assembly (5) includes a busbar layout cavity box (501) and a busbar inlet end (502); The busbar layout cavity box (501) is arranged at the rear side inside the electrical cabinet body (1), and the busbar layout cavity box (501) penetrates through the cavity partition board (3) and extends into each electrical compartment, and the busbar inlet end (502) is arranged at the upper end of the electrical cabinet body (1), and the busbar layout cavity box (501) and the busbar inlet end (502) are communicated with each other.

4. The electric cabinet based on airflow self-adaptive dynamic heat dissipation according to claim 3, characterized in that: Busbar outlets (503) are opened at positions corresponding to each electrical compartment on the busbar layout cavity box (501).

5. An electric cabinet based on air flow self-adaptive dynamic heat dissipation according to claim 4, characterized in that: The side air intake and diversion assembly (6) includes an air intake and diversion cavity shell (601), an electric air intake and diversion grille plate (602) and an air intake speed regulating fan (603); The air intake and diversion cavity shell (601) is arranged on one side inside the electrical cabinet body (1), several electric air intake and diversion grille plates (602) are provided, and the several electric air intake and diversion grille plates (602) are arranged at positions corresponding to each electrical compartment on the electrical cabinet body (1), the electric air intake and diversion grille plates (602) are communicated with the air intake and diversion cavity shell (601), several air intake speed regulating fans (603) are provided, and the several air intake speed regulating fans (603) are arranged at positions corresponding to each electrical compartment on the air intake and diversion cavity shell (601), and the air intake speed regulating fans (603) are communicated with the air intake and diversion cavity shell (601).

6. The electrical cabinet based on airflow self-adaptive dynamic heat dissipation according to claim 5, characterized in that: The side heat dissipation and diversion assembly (7) includes a heat dissipation and diversion cavity housing (701), an electric heat dissipation and diversion grille (702), and a heat dissipation speed control fan (703). The heat dissipation and diversion cavity housing (701) is arranged on one side of the electrical cabinet body (1) away from the intake air diversion cavity housing (601). A plurality of electric heat dissipation and diversion grilles (702) are arranged at positions on the electrical cabinet body (1) corresponding to each electrical partition cavity. The electric heat dissipation and diversion grilles (702) are communicated with the heat dissipation and diversion cavity housing (701). A plurality of heat dissipation speed control fans (703) are arranged at positions on the heat dissipation and diversion cavity housing (701) corresponding to each electrical partition cavity. The heat dissipation speed control fans (703) are communicated with the heat dissipation and diversion cavity housing (701).

7. The electric cabinet based on airflow self-adaptive dynamic heat dissipation according to claim 6, wherein: A circulation pipeline (504) for arranging a conductive busbar cavity box (501) and communicating the intake air diversion cavity housing (601) and the heat dissipation and diversion cavity housing (701) is arranged in each electrical partition cavity.

8. An electric cabinet based on air flow self-adaptive dynamic heat dissipation according to claim 6, characterized in that: When the electric intake air diversion grille (602) and the electric heat dissipation and diversion grille (702) are opened, they are both in a state of inclining downward from the inside of the electrical cabinet body (1) to the outside.

9. The electric cabinet based on airflow self-adaptive dynamic heat dissipation according to claim 6, wherein: The array temperature sensor (8), the electric intake air diversion grille (602), the intake air speed control fan (603), the electric heat dissipation and diversion grille (702), and the heat dissipation speed control fan (703) are all connected to the microcontroller. Moreover, the opening and closing angles of the electric intake air diversion grille (602) and the electric heat dissipation and diversion grille (702), and the rotation speed and output power of the intake air speed control fan (603) and the heat dissipation speed control fan (703) are all adjusted by the microcontroller according to the temperature signals fed back by the array temperature sensor (8).

10. A control method for an electrical cabinet based on airflow self - adapting dynamic heat dissipation according to any one of claims 1 - 9, characterized in that, It includes the following steps: A. Preset temperature thresholds: According to the temperature requirements of different types of electrical devices in each electrical partition cavity during operation, the first temperature threshold, the second temperature threshold, and the third temperature threshold in each electrical partition cavity are preset. Among them, the first temperature threshold is the optimal temperature for the electrical device exceeding the operating state, the second temperature threshold is the medium-high temperature range for the electrical device exceeding the optimal temperature of the operating state, and the third temperature threshold is the high temperature range for the electrical device exceeding the optimal temperature of the operating state. B. Temperature data acquisition and preprocessing: The temperature at different positions in each electrical partition cavity is detected by the array temperature sensors (8) arranged in each electrical partition cavity, the temperature signals at different positions in each electrical partition cavity are obtained in real time, and the obtained temperature signals at different positions in each electrical partition cavity are output to the microcontroller. The microcontroller receives the temperature data and performs moving average filtering on the temperature data to eliminate the disturbance of instantaneous temperature data, and obtains the temperature data at different positions in each electrical partition cavity. C. Adaptive dynamic heat dissipation control: When the temperature data detected by one or more array temperature sensors (8) in the electrical compartments received by the microcontroller exceeds the first temperature threshold, the second temperature threshold, or the third temperature threshold, the microcontroller controls the electric intake air guide grille (602) and the electric heat dissipation guide grille (702) of the corresponding electrical compartment to open, starts the intake air speed regulating fan (603) and the heat dissipation speed regulating fan (703) of the corresponding electrical compartment, and adjusts the opening and closing angles of the electric intake air guide grille (602) and the electric heat dissipation guide grille (702), as well as the rotational speed and output power of the intake air speed regulating fan (603) and the heat dissipation speed regulating fan (703) according to the exceeded first temperature threshold, second temperature threshold, or third temperature threshold; At this time, external air enters the intake air guide cavity housing (601) through the electric intake air guide grille (602), is blown into the corresponding electrical compartment by the intake air speed regulating fan (603), exchanges heat with the electrical devices and hot air in the electrical compartment, and then the heat-exchanged air is sucked into the heat dissipation guide cavity housing (701) by the heat dissipation speed regulating fan (703) and discharged by the electric heat dissipation guide grille (702), realizing the adaptive dynamic heat dissipation of the electrical cabinet.

Images