Mining explosion-proof five-in-one integrated controller

Abstract

The utility model discloses a mining explosion-proof five-in-one integrated controller which comprises an explosion-proof box body in which an MCU main drive controller, a PDU power distribution controller, a DC / AC isolation controller, a DC / DC isolation controller and an electric leakage detection controller are integrated. The MCU main drive controller, the PDU power distribution controller, the DC / AC isolation controller, the DC / DC isolation controller and the electric leakage detection controller are arranged in a main drive control cavity and an auxiliary drive control cavity which are arranged in the explosion-proof box body in a divided mode through an electrical installation plate and are electrically connected through independently-arranged wiring cavities. According to the device, five function control modules are integrated, so that the number of parts of the underground coal mine electric anti-explosion auxiliary transport vehicle and the use number of anti-explosion shells are reduced to the maximum extent, the size and the mass of an anti-explosion electrical system of the vehicle are reduced to the maximum extent, and the enveloping arrangement space of the electrical system of the vehicle and the lightweight design of the vehicle are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof auxiliary devices for underground coal mine transport vehicles, and in particular to a mine-used explosion-proof five-in-one integrated controller. Background Art

[0002] At present, underground coal mine electric explosion-proof auxiliary transportation vehicles mostly use single explosion-proof function controllers, such as patent number CN214627543U, named a motor controller. The patent proposes a single explosion-proof function motor controller, which meets the drive motor control needs of underground coal mine electric explosion-proof auxiliary transportation vehicles. However, the drive motors and other vehicle electronic control systems of underground coal mine electric explosion-proof auxiliary transportation vehicles are separately arranged using single explosion-proof function controllers, and are connected by explosion-proof or intrinsically safe cables, which results in a large space occupied by the vehicle and an overly complex electrical system layout, which is not conducive to the performance indicators such as vehicle electrification, lightweight, cost reduction and optimization of space layout, affects the driving range of electric vehicles, cannot better guarantee the reliability of the vehicle electrical system and the convenience of production and maintenance, and increases the customer's use and maintenance costs. Summary of the invention

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a mining explosion-proof five-in-one integrated controller.

[0004] According to the technical solution provided in the embodiment of the present application, a five-in-one explosion-proof integrated controller for mining includes a flameproof box, in which an MCU main drive controller, a PDU power distribution controller, a DC / AC isolation controller, a DC / DC isolation controller, and a leakage detection controller are integrated. The MCU main drive controller, the PDU power distribution controller, the DC / AC isolation controller, the DC / DC isolation controller, and the leakage detection controller are separately arranged in the main drive control chamber and the auxiliary drive control chamber divided by the electrical installation board in the flameproof box, and are electrically connected through independently arranged wiring chambers.

[0005] Furthermore, the MCU main drive controller and the PDU power distribution controller are fixed in the main drive control cavity, and the DC / AC isolation controller, the DC / DC isolation controller, and the leakage detection controller are fixed in the auxiliary drive control cavity to avoid the explosion pressure superposition phenomenon in the integrated controller.

[0006] Furthermore, an opening is provided on the electrical installation board to connect the main drive control cavity and the auxiliary drive control cavity, and an explosion-proof water-cooled heat sink is installed on the electrical installation board located in the main drive control cavity to achieve simultaneous heat dissipation and cooling of the main drive control cavity and the auxiliary drive control cavity.

[0007] Furthermore, the flameproof box body includes a flameproof box body, a flameproof box upper cover, a flameproof box bottom cover, a flameproof box side cover, a flameproof water cooling device, a plurality of flameproof cable lead-in devices and a plurality of flameproof wiring terminals.

[0008] Furthermore, the explosion-proof water-cooling heat dissipation device includes a water-cooling heat dissipation substrate, a explosion-proof water inlet and outlet substrate, a explosion-proof water inlet and outlet core, a explosion-proof water inlet and outlet nozzle and a sealing gasket; the water-cooling heat dissipation substrate is connected with the explosion-proof water inlet and outlet nozzle through the explosion-proof water inlet and outlet substrate and the explosion-proof water inlet and outlet core; the water-cooling heat dissipation substrate passes through the electrical installation plate and the explosion-proof cabinet; the water-cooling heat dissipation substrate is sealed through the sealing gasket and the explosion-proof water inlet and outlet substrate, and the water inlet and outlet pipes of the explosion-proof water cooling heat dissipation substrate are sealed; the explosion-proof water inlet and outlet core is placed in a cavity formed by the explosion-proof water inlet and outlet substrate and the explosion-proof water inlet and outlet nozzle, and the water inlet and outlet pipes of the explosion-proof water cooling heat dissipation substrate are sealed.

[0009] Furthermore, one side of the water-cooled heat dissipation substrate is a power module mounting surface, the interior is a U-shaped groove water channel, and an array of diamond-shaped spoiler columns are arranged in the water channel.

[0010] Furthermore, the flange connection surface A of the main drive control cavity on the explosion-proof box body and the upper cover plate of the explosion-proof box form a first explosion-proof joint surface, the flange connection surface B of the auxiliary drive control cavity on the explosion-proof box body and the bottom cover plate of the explosion-proof box form a second explosion-proof joint surface, the flange connection surface C of the wiring cavity on the explosion-proof box body and the side cover plate of the explosion-proof box form a third explosion-proof joint surface, the inner surface of the through hole on the partition and the cylindrical mounting surface of the explosion-proof terminal block form a fourth explosion-proof joint surface, the lower mounting surface of the water-cooling heat dissipation substrate on the explosion-proof water-cooling heat dissipation device and the upper mounting surface of the electrical mounting plate constitute a fifth explosion-proof joint surface, the explosion-proof water inlet and outlet substrate and the explosion-proof flange surface of the water inlet and outlet of the explosion-proof box body cooperate to form a sixth explosion-proof joint surface, and the water inlet and outlet on the explosion-proof water inlet and outlet substrate cooperate with the explosion-proof water inlet and outlet core to form a seventh explosion-proof joint surface, thereby realizing the explosion-proof of the explosion-proof box body.

[0011] Furthermore, the flameproof cable entry device and the flameproof wiring terminals are both arranged on the wiring cavity for externally connecting the flameproof cables.

[0012] Furthermore, annular grooves and O-rings placed therein are respectively provided on flange connection surface A, flange connection surface B and flange connection surface C to ensure the airtightness of the first flameproof joint surface, the second flameproof joint surface and the third flameproof joint surface respectively.

[0013] In summary, the beneficial effects of the present application are as follows:

[0014] 1. The device of this application adopts the functional control module integrated design of the vehicle electrical system, which integrates five functional control modules: MCU main drive controller, PDU power distribution control, DC / AC isolation controller, DC / DC isolation controller, and leakage detection control, so as to minimize the number of parts and the number of explosion-proof shells used in underground coal mine electric explosion-proof auxiliary transportation vehicles, which is conducive to reducing the production and certification costs of explosion-proof electrical products, and at the same time, it is conducive to reducing the production and maintenance costs of vehicles. Minimizing the volume and mass of the vehicle's explosion-proof electrical system is conducive to reducing the envelope layout space of the vehicle's electrical system and the lightweight design of the vehicle.

[0015] 2. The device of the present application adopts an integrated heat dissipation design with integrated functional modules. Its integrated modules MCU main drive controller, DC / AC isolation controller, and DC / DC isolation controller are all high-power control modules, which all require cooling and heat dissipation. By arranging an explosion-proof water-cooled heat sink on the electrical installation board in the main drive control cavity, the main drive control cavity and the auxiliary drive control cavity can be water-cooled at the same time, effectively simplifying the heat dissipation system of the underground coal mine electric explosion-proof auxiliary transport vehicle and improving the vehicle reliability and production and maintenance costs.

[0016] 3. The device of the present application adopts a divided-chamber explosion-proof design for the functional control module, and different functional control modules are respectively arranged in different explosion-proof cavities. The cavities of the main drive control cavity and the auxiliary drive control cavity are isolated and interconnected. Specifically, the two cavities are isolated from top to bottom through an electrical installation board, and the internal modules are arranged in upper and lower levels on the electrical installation board. This structure is convenient for production and maintenance, and can effectively reduce the use and maintenance costs of the vehicle. At the same time, it can effectively avoid electromagnetic interference between cavities and improve product reliability. The two cavities are interconnected through openings, which can facilitate the connection and arrangement of wiring harnesses between the cavities, and optimize the opening design scheme to avoid the superposition of explosion pressure in the two interconnected cavities.

[0017] 4. The device of this application adopts a flameproof water-cooling heat dissipation design, specifically a flameproof water-cooling heat dissipation device composed of a water-cooling heat dissipation substrate, a flameproof water inlet and outlet substrate, a flameproof water inlet and outlet core, a flameproof water inlet and outlet nozzle, and a sealing gasket. The flameproof water-cooling heat dissipation device adopts a water-cooling heat dissipation substrate arranged inside the equipment cavity, directly dissipating the high-power heating components of the equipment, which can obtain higher heat dissipation efficiency and stronger heat dissipation capacity, while ensuring the flameproof of the cooling water circulation pipeline and the inside of the flameproof box.

[0018] 5. The device of the present application adopts an airtight design for each cavity, specifically, annular grooves and O-rings placed therein are respectively provided on flange connection surface A, flange connection surface B and flange connection surface C, respectively ensuring the airtightness of the first flameproof joint surface, the second flameproof joint surface and the third flameproof joint surface. The airtight design is suitable for working environments with high air humidity, flammable and explosive gases such as methane and CO, and corrosive muddy ground in coal mines, effectively isolating the invasion of the environment outside the cavity into the cavity, and ensuring the safety and reliability of the operation process of electrical products on electric explosion-proof auxiliary transport vehicles in coal mines. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0020] Figure 1 It is a structural schematic diagram of the overall device of the utility model;

[0021] Figure 2 This is a schematic diagram of the inverted structure of the overall device of the utility model;

[0022] Figure 3 It is a rear cross-sectional structural schematic diagram of the overall device of the utility model;

[0023] Figure 4 It is a side cross-sectional structural schematic diagram of the overall device of the utility model;

[0024] Figure 5 This is a schematic diagram of the connection structure between the explosion-proof water-cooling heat dissipation device and the electrical installation board of the utility model;

[0025] Figure 6 It is an enlarged schematic diagram of the connection structure between the explosion-proof water-cooling heat dissipation device and the electrical installation board of the utility model;

[0026] Figure 7 The utility model is a schematic diagram of the exploded structure of the explosion-proof water-cooling heat dissipation device.

[0027] Numbers in the figure: flameproof box-1; MCU main drive controller-2; PDU power distribution controller-3; DC / AC isolation controller-4; DC / DC isolation controller-5; leakage detection controller-6; main drive control chamber-7; auxiliary drive control chamber-8; wiring chamber-9; flameproof box body-10; flameproof box upper cover-11; flameproof box bottom cover-12; flameproof box side cover-13; flameproof water cooling plate-14; flameproof wire Cable entry device-15; flameproof terminal-16; flange connection surface A-17; flange connection surface B-18; electrical installation plate-19; flange connection surface C-20; annular grooves-21, 23, 25; O-type sealing rings-22, 24, 26; partition-27; O-type sealing ring A-29; water inlet nozzle-30; O-type sealing ring-31; water outlet nozzle-32; water cooling base plate-33; flameproof water inlet and outlet core-34. DETAILED DESCRIPTION

[0028] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] A mining explosion-proof five-in-one integrated controller, such as Figure 1 , Figure 2 and Figure 3 As shown, the flameproof box 1 adopts a split-chamber design, which includes three chambers: a main drive control chamber 7, an auxiliary drive control chamber 8, and a wiring chamber 9.

[0031] The integrated MCU main drive controller 2 and the PDU power distribution controller 3 are located in the main drive control cavity 7 .

[0032] The integrated DC / AC isolation controller 4 , the DC / DC isolation controller 5 , and the leakage detection controller 6 are located in the auxiliary drive control cavity 8 .

[0033] The main drive control cavity 7 and the auxiliary drive control cavity 8 are isolated and interconnected. Specifically, the two cavities are isolated from top to bottom by an electrical installation board 19, and the internal modules are arranged in upper and lower layers on the electrical installation board 19.

[0034] The MCU main drive controller 2 and the PDU power distribution controller 3 in the main drive control cavity 7 are connected through an internal wiring harness to distribute power and control communication of high and low voltage power supplies.

[0035] The three functional control modules of the DC / AC isolation controller 4, the DC / DC isolation controller 5 and the leakage detection controller 6 in the auxiliary drive control cavity 8 are respectively connected to the PDU power distribution controller 3 by wiring harnesses to distribute power and control communication of high and low voltage power supplies.

[0036] The main drive control chamber 7 and the auxiliary drive control chamber 8 are interconnected through openings, which can facilitate the connection and arrangement of the wiring harnesses between the chambers, and in order to avoid the superposition of explosion pressure in the two interconnected chambers, the opening design scheme is optimized; the wiring chamber 9 is an independent flameproof chamber, and there is a partition 27 between the wiring chamber 9 and the drive control chamber 7 and the auxiliary drive control chamber 8, and a number of through holes are set on the partition 27, and the flameproof terminal 16 is installed to complete the electrical connection between the chambers;

[0037] A plurality of flameproof cable lead-in devices 15 are provided on the wiring chamber 9 for externally connecting explosion-proof cables;

[0038] The flameproof box 1 adopts a flameproof design, and its flameproof structure is composed of a flameproof box body 10, a flameproof box upper cover plate 11, a flameproof box bottom cover plate 12, a flameproof box side cover plate 13, a flameproof water cooling device 14, a plurality of flameproof cable introduction devices 15 and a plurality of flameproof terminals 16. The flange connection surface A17 of the flameproof box 1 and the flameproof box upper cover plate 11 form a first flameproof joint surface, the flange connection surface B18 of the flameproof box 1 and the flameproof box bottom cover plate 12 form a second flameproof joint surface, the flange connection surface C20 on the wiring cavity 9 of the flameproof box 1 and the flameproof box side cover plate 13 form a third flameproof joint surface, and the inner surface of the through hole on the partition 27 and the cylindrical mounting surface of the flameproof terminal 16 The fourth flameproof joint surface is formed, the lower mounting surface of the water-cooling heat dissipation substrate 33 of the flameproof water-cooling heat dissipation device 14 cooperates with the upper mounting surface of the electrical mounting plate 19 to form the fifth flameproof joint surface, the left end surface of the flameproof water inlet and outlet substrate 32 of the flameproof water-cooling heat dissipation device 14 and the flameproof flange surface of the water inlet and outlet of the flameproof box 1 (the water inlet and outlet here is the through hole through which the flameproof water inlet and outlet nozzle 30 passes through the flameproof box 1) cooperate to form the sixth flameproof joint surface, and the flameproof countersunk hole on the right end surface of the flameproof water inlet and outlet substrate 32 of the flameproof water-cooling heat dissipation device 14 (the flameproof countersunk hole here is the through hole of the flameproof water inlet and outlet nozzle 30 on the flameproof water inlet and outlet substrate 32) cooperates with the flameproof water inlet and outlet core 34 to form the seventh flameproof joint surface;

[0039] An annular groove 21 and an O-type sealing ring 22 are provided on the flange connection surface A17 to ensure the air tightness of the first explosion-proof joint surface; an annular groove 23 and an O-type sealing ring 24 are provided on the flange connection surface B18 to ensure the air tightness of the second explosion-proof joint surface; an annular groove 25 and an O-type sealing ring 26 are provided on the flange connection surface C20 to ensure the air tightness of the third explosion-proof joint surface;

[0040] like Figure 3 , Figure 4 and Figure 5 As shown, the water-cooled heat dissipation substrate is installed on the electrical installation board 19 in the main drive control cavity 7, and its cylindrical water inlet and outlet are connected through two cavity countersunk holes set on the electrical installation board 19 and extend to the flameproof flange surface of the flameproof box 1, and then extend into the left end face countersunk hole of the flameproof type water inlet and outlet substrate installed on the flameproof flange surface of the flameproof type water inlet and outlet. The annular sealing gasket set in the water inlet and outlet countersunk hole on the left end face of the flameproof type water inlet and outlet substrate is pressed and matched with the cylindrical water inlet and outlet end face of the water-cooled heat dissipation substrate to form an end face seal, ensuring the sealing of the inlet and outlet water circulation. An O-ring A29 is set on the cavity countersunk hole of the electrical installation board to ensure the sealing of the inside and outside of the flameproof box 1.

[0041] like Figure 6 and Figure 7 As shown,

[0042] The explosion-proof water-cooling heat sink 14 comprises a water-cooling heat sink substrate 33 , an explosion-proof water inlet and outlet substrate 32 , an explosion-proof water inlet and outlet core 34 , an explosion-proof water inlet and outlet nozzle 30 and a sealing gasket 31 .

[0043] The left end surface of the water-cooled heat dissipation substrate 33 is the power module installation plane, and the right end surface is provided with a cylindrical water inlet and a cylindrical water outlet. The internal U-shaped groove waterway design has a simple and compact layout, which effectively reduces the water flow resistance, avoids dead corners and backflow in the waterway, and ensures smooth flow of the waterway. In addition, an array of diamond-shaped spoiler columns is provided in the waterway to increase the turbulence of the water flow, thereby improving the water cooling efficiency.

[0044] An inlet through hole and an outlet through hole are arranged on the explosion-proof water inlet and outlet substrate 32, and the left and right end faces are respectively designed for explosion-proof sealing. The left end face is designed for an explosion-proof surface, which cooperates with the explosion-proof flange surface of the water inlet and outlet to form the sixth explosion-proof joint surface, and countersunk holes are respectively arranged on the water inlet through hole and the water outlet through hole of the left end face. The annular sealing gasket installed in the countersunk hole is pressed and fitted with the cylindrical water inlet and outlet end face of the water-cooled heat dissipation substrate 33 to form an end face seal to ensure the sealing of the inlet and outlet water circulation; the right end face is designed for an explosion-proof countersunk hole, and two explosion-proof countersunk holes are respectively arranged on the water inlet through hole and the water outlet through hole of the right end face, which cooperate with the explosion-proof water inlet and outlet core 34 installed in the explosion-proof countersunk hole to form the seventh explosion-proof joint surface, and the right end face is used to fix the explosion-proof inlet and outlet nozzles 30.

[0045] Dense pores meeting the flameproof and flameproof size requirements are arranged on the flameproof and flameproof water inlet and outlet core 34 to ensure the flameproof and flameproof performance of the inlet and outlet water circulation pipelines, and the water circulation flow rate flowing through the dense pores meets the heat dissipation requirements.

[0046] The flameproof water inlet and outlet nozzle 30 is designed with an integrated processing and molding, and a mounting flange surface is provided at one end thereof, which is fixedly installed on the right end surface of the flameproof water inlet and outlet base plate 32, and a sealing gasket is provided on the mounting flange surface to ensure the compression and fixation of the flameproof water inlet and outlet core 34 and the sealing type of the water inlet and outlet circulation. The other end is provided with a water inlet nozzle and a water outlet nozzle for connecting the water inlet pipeline and the water outlet pipeline, and a coolant filter is provided on the water inlet pipeline to effectively filter impurities in the cooling circulating water, effectively ensuring the normal operation of the flameproof water cooling device.

[0047] The cooling water circulation path of the explosion-proof water-cooling heat dissipation device 14 is to first be filtered through the coolant filter on the water inlet pipeline, then flow through the water inlet of the explosion-proof water inlet and outlet nozzle 30, the dense pores of the explosion-proof water inlet and outlet core 34, the water inlet of the explosion-proof water inlet and outlet base plate 32 and the cylindrical water inlet of the water-cooling heat dissipation base plate 33, flow into the U-shaped groove water channel of the water-cooling heat dissipation base plate 33, take away the working heat of the equipment through the thermal interaction of the water-cooling heat dissipation base plate 33, and then flow through the cylindrical water outlet of the water-cooling heat dissipation base plate 33, the water outlet of the explosion-proof water inlet and outlet base plate 32, the dense pores of the explosion-proof water inlet and outlet core 34, and the water outlet of the explosion-proof water inlet and outlet nozzle 30 to flow out into the water outlet pipeline.

[0048] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the invention involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also should cover other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical scheme.

Claims

1. A five-in-one explosion-proof integrated controller for mining, characterized by: include, A flameproof box (1), wherein an MCU main drive controller (2), a PDU power distribution controller (3), a DC / AC isolation controller (4), a DC / DC isolation controller (5), and a leakage detection controller (6) are integrated in the flameproof box (1); the MCU main drive controller (2), the PDU power distribution controller (3), the DC / AC isolation controller (4), the DC / DC isolation controller (5), and the leakage detection controller (6) are separately arranged in a main drive control chamber (7) and an auxiliary drive control chamber (8) divided by an electrical installation board (19) in the flameproof box (1), and are electrically connected through an independently arranged wiring chamber (9); the MCU main drive controller (2) and the PDU power distribution controller (3) are fixed in the main drive control chamber (7), and the DC / AC isolation controller (4), the DC / DC isolation controller (5), and the leakage detection controller (6) are fixed in the auxiliary drive control chamber (8).

2. The five-in-one explosion-proof integrated controller for mining according to claim 1 is characterized in that: The electrical installation board (19) is provided with an opening for connecting the main drive control chamber (7) and the auxiliary drive control chamber (8), and an explosion-proof water-cooling heat dissipation device (14) is installed on the electrical installation board (19) located in the main drive control chamber (7).

3. The five-in-one explosion-proof integrated controller for mining according to claim 2 is characterized in that: The flameproof box (1) comprises a flameproof box body (10), a flameproof box upper cover (11), a flameproof box bottom cover (12), a flameproof box side cover (13), a flameproof water cooling device (14), a plurality of flameproof cable lead-in devices (15) and a plurality of flameproof wiring terminals (16).

4. The five-in-one explosion-proof integrated controller for mining according to claim 3 is characterized in that: The flameproof water-cooling heat dissipation device (14) comprises a water-cooling heat dissipation substrate (33), a flameproof water inlet and outlet substrate (32), a flameproof water inlet and outlet core (34), a flameproof water inlet and outlet nozzle (30) and a sealing gasket (31); the water-cooling heat dissipation substrate (33) is connected to the flameproof water inlet and outlet nozzle (30) through the flameproof water inlet and outlet substrate (32) and the flameproof water inlet and outlet core (34); the water-cooling heat dissipation substrate (33) passes through the electrical installation board (19) and the flameproof box (1); the water-cooling heat dissipation substrate (33) is sealed and flameproofed through the cooperation of the sealing gasket (31) and the flameproof water inlet and outlet substrate (32); the flameproof water inlet and outlet core (34) is placed in a cavity formed by the flameproof water inlet and outlet substrate (32) and the flameproof water inlet and outlet nozzle (30), and the water inlet and outlet pipes of the water-cooling heat dissipation substrate (33) are sealed and flameproofed.

5. The five-in-one explosion-proof integrated controller for mining according to claim 4 is characterized in that: One side of the water-cooling heat dissipation substrate (33) is a power module mounting surface, the interior of which is a U-shaped groove water channel, and an array of diamond-shaped spoiler columns is arranged in the water channel.

6. The five-in-one explosion-proof integrated controller for mining according to claim 5, characterized in that: The flange connection surface A (17) of the main drive control chamber (7) on the flameproof box body (10) and the flameproof box upper cover (11) form a first flameproof joint surface, the flange connection surface B (18) of the auxiliary drive control chamber (8) on the flameproof box body (10) and the flameproof box bottom cover (12) form a second flameproof joint surface, the flange connection surface C (20) of the wiring chamber (9) on the flameproof box body (10) and the flameproof box side cover (13) form a third flameproof joint surface, and a partition (27) is present between the wiring chamber (9) and the main drive control chamber (7) and the auxiliary drive control chamber (8). The inner surface of the through hole on the partition (27) and the cylindrical mounting surface of the flameproof terminal (16) form a fourth flameproof joint surface; the lower mounting surface of the water-cooling heat dissipation substrate (33) on the flameproof water-cooling heat dissipation device (14) and the upper mounting surface of the electrical mounting plate (19) form a fifth flameproof joint surface; the flameproof water inlet and outlet substrate (32) cooperates with the flameproof flange surface of the water inlet and outlet of the flameproof box (1) to form a sixth flameproof joint surface; and the water inlet and outlet on the flameproof water inlet and outlet substrate (32) cooperates with the flameproof water inlet and outlet core (34) to form a seventh flameproof joint surface.

7. The five-in-one explosion-proof integrated controller for mining according to claim 6 is characterized in that: The flameproof cable lead-in device (15) and the flameproof wiring terminal (16) are both arranged on the wiring cavity (9) and are used for externally connecting the flameproof cable.

8. The five-in-one explosion-proof integrated controller for mining according to claim 7 is characterized in that: Annular grooves (21, 23, 25) and O-rings (22, 24, 26) placed therein are respectively provided on the flange connection surface A (17), the flange connection surface B (18) and the flange connection surface C (20), respectively ensuring the air tightness of the first flameproof joint surface, the second flameproof joint surface and the third flameproof joint surface.

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