Mining flame-proof and intrinsic safety type master controller

Abstract

The utility model provides a mining flame-proof and intrinsic safety type master controller, comprising a master controller body, one side of the master controller body is provided with a through hole, the master controller body at the outer side of the through hole is provided with an installation cylinder, the installation cylinder is provided with a fixed plate facing the inner side end of the master controller body, the fixed plate is provided with a plurality of first ventilation holes at intervals, and the first ventilation holes are communicated with the through hole. A cooling fan is arranged in the middle of the mounting cylinder, a filter frame is arranged at the open end of the mounting cylinder, a dust filter element is arranged in the filter frame, an exhaust groove with an open end is formed in the fixing plate close to the inner side of the master controller body, and a plurality of second vent holes communicated with the first vent holes are formed in the exhaust groove. A sealing assembly capable of sealing the second ventilation holes is arranged at the opening end of the exhaust groove, an air outlet is formed in the side, away from the through hole, of the main controller body, and an opening and closing assembly is arranged on the air outlet. The master controller is simple and reasonable in structural design and good in heat dissipation effect, and dust in external air is prevented from entering the master controller in the heat dissipation process.

Description

Technical Field

[0001] This utility model belongs to the technical field of mining control boxes, specifically relating to a mining explosion-proof and intrinsically safe main controller. Background Technology

[0002] The explosion-proof and intrinsically safe main controller for mining is mainly used in various automated control devices in coal mines, such as drainage automation control and belt conveyor automation control. It uses a PLC programmable controller as its core device and features strong applicability, scalability, high reliability, and powerful communication capabilities. However, the main controller generates a large amount of heat during operation, requiring heat dissipation. Most existing main controllers use ventilation holes on the side of the enclosure for natural heat dissipation, but this is not ideal. Furthermore, due to the high levels of dust in the external air during coal mining, dust can enter the main controller through these ventilation holes, accelerating the aging of internal components.

[0003] In view of this, in order to solve the above-mentioned technical problems, this utility model proposes a mine-use explosion-proof intrinsically safe main controller that can dissipate heat inside the main controller while preventing dust from the outside air from entering the main controller. The structure is simple and reasonable, has good heat dissipation effect, and has the advantages of dust prevention. Summary of the Invention

[0004] This utility model provides a mine-use explosion-proof and intrinsically safe main controller with a simple and reasonable structural design, good heat dissipation, and prevents dust from the outside air from entering the main controller during the heat dissipation process. The specific solution is as follows:

[0005] A mine-use explosion-proof and intrinsically safe main controller includes a main controller body. A through hole is provided on one side of the main controller body. A mounting cylinder is provided on the main controller body outside the through hole. A fixing plate is provided on the inner end of the mounting cylinder facing the main controller body. Multiple first ventilation holes are spaced apart on the fixing plate. A cooling fan is provided in the middle of the mounting cylinder. A filter frame is provided at the open end of the mounting cylinder, and a dust filter element is provided inside the filter frame. An exhaust trough with one open end is provided on the fixing plate near the inner side of the main controller body. Multiple second ventilation holes communicating with the first ventilation holes are provided on the exhaust trough. A sealing component capable of sealing the multiple second ventilation holes is provided at the open end of the exhaust trough. An air outlet is provided on the side of the main controller body opposite to the through hole, and an opening and closing component is provided on the air outlet.

[0006] Furthermore, the sealing assembly includes a first electric cylinder and a sealing block. The sealing block is tightly fitted inside the exhaust duct. The first electric cylinder is mounted on a fixed plate, and the output end of the first electric cylinder is fixedly connected to the side of the sealing block.

[0007] Further, the air outlet is a long strip structure, the opening and closing assembly comprises an air outlet groove with one end opening, a second electric cylinder and an opening and closing block, the air outlet groove is arranged on the main controller body outside the air outlet, a plurality of air outlet holes in communication with the inside of the main controller body are formed in the air outlet groove at intervals along the length direction of the air outlet groove, the opening and closing block is arranged in the air outlet groove, a plurality of third air holes in communication with the air outlet holes are formed in the opening and closing block, and the second electric cylinder is arranged on the outer wall of the main controller body, and the output end of the second electric cylinder is fixedly connected with one side of the opening and closing block.

[0008] Further, the through hole is in a conical structure, and the fixing plate is in a reverse conical structure matched with the conical structure.

[0009] Further, the heat dissipation fan, the first electric cylinder and the second electric cylinder are electrically connected with the power board of the main controller respectively.

[0010] Further, the mounting cylinder is detachably connected to the main controller body through bolts, and the filter frame is detachably connected to the mounting cylinder through bolts.

[0011] The utility model discloses beneficial effect is:

[0012] The utility model discloses a mine explosion -proof and intrinsic safety type main control ware, through setting up mounting cylinder, heat dissipation fan, filter frame and its dust filter element and sealing element, when opening heat dissipation fan and cooling the inside of main control ware, first electric cylinder and second electric cylinder start simultaneously, when the outside air is inhaled into mounting cylinder after filtering through dust filter element, enters the inside of main control ware through the first air hole and the second air hole in communication with it that sets up on the fixed plate and carries out cooling treatment to it and exports through air outlet, after cooling, first electric cylinder and second electric cylinder are started simultaneously and are closed to second air hole and air outlet respectively, not only solve the cooling purpose of the inside of main control ware, simultaneously, but also avoid the dust in the outside air in the cooling process and enter the inside of main control ware and cause the damage aging of its parts. ACCOUNT OF DRAWINGS

[0013] Figure 1 And Figure 2 All are structure schematic diagram of the utility model;

[0014] Figure 3 It is local structure schematic diagram of the utility model;

[0015] Figure 4 It is local split drawing of the utility model;

[0016] Figure 5 It is sealing element connection schematic diagram of the utility model;

[0017] Figure 6 It is opening and closing assembly split drawing of the utility model.

[0018] Explanation of reference signs: master control body 1, through hole 2, mounting cylinder 3, first ventilation hole 4, cooling fan 5, exhaust groove 7, second ventilation hole 8, sealing assembly 9, first electric cylinder 901, sealing block 902, opening and closing assembly 10, air outlet groove 101, second electric cylinder 102, opening and closing block 103, air outlet hole 104, third ventilation hole 105. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Reference Figures 1-6 A mine explosion-proof and intrinsic safety type master control device, comprising a master control body 1, a through hole 2 is formed on one side of the master control body 1, a mounting cylinder 3 is arranged on the master control body 1 outside the through hole 2, a fixed plate is arranged on the mounting cylinder 3 towards the inside of the master control body 1, a plurality of first ventilation holes 4 are arranged on the fixed plate in a straight line, a cooling fan 5 is arranged in the middle of the mounting cylinder 3, a filter frame 6 is arranged on the opening end of the mounting cylinder 3, a dust filter element is arranged in the filter frame 6, an exhaust groove 7 is arranged on the fixed plate close to the inside of the master control body 1, a plurality of second ventilation holes 8 are formed on the exhaust groove 7 and are communicated with the first ventilation holes 4, a sealing assembly 9 is arranged on the opening end of the exhaust groove 7 and can seal the plurality of second ventilation holes 8, an air outlet is formed on the side of the master control body 1 away from the through hole 2, and an opening and closing assembly 10 is arranged on the air outlet.

[0021] Preferably, the sealing assembly 9 comprises a first electric cylinder 901 and a sealing block 902, the sealing block 902 is tightly fitted in the exhaust groove 7, the first electric cylinder 901 is arranged on the fixed plate, the output end of the first electric cylinder 901 is fixedly connected with the side surface of the sealing block 902, when the master control device is cooled, the first electric cylinder 901 is started to drive the sealing block 902 to move away from the second ventilation holes 8, so that the first ventilation holes 4 are communicated with the second ventilation holes 8, after cooling, the first electric cylinder 901 is started to drive the sealing block 902 to seal the second ventilation holes 8, and further prevent external air from entering the inside of the master control device.

[0022] The air outlet is preferably in a strip-shaped structure, the opening and closing assembly 10 comprises an air outlet groove 101 with one end open, a second electric cylinder 102 and an opening and closing block 103, the air outlet groove 101 is arranged on the main controller body 1 outside the air outlet, a plurality of air outlet holes 104 are arranged in the air outlet groove 101 and are in communication with the inside of the main controller body 1, the opening and closing block 103 is arranged in the air outlet groove 101, a plurality of third air holes 105 are arranged in the opening and closing block 103 and are in communication with the air outlet holes 104, the second electric cylinder 102 is arranged on the outer wall of the main controller body 1, and the output end of the second electric cylinder 102 is fixedly connected to one side of the opening and closing block 103; when the main controller needs to be cooled, the second electric cylinder 102 is started to pull the opening and closing block 103 away from the third air holes 105, so that the hot air in the main controller can be discharged to the outside through the third air holes 105.

[0023] The through hole 2 is preferably in a conical structure, and the fixed plate is in a reverse conical structure matched with the conical structure.

[0024] The heat dissipation fan 5, the first electric cylinder 901 and the second electric cylinder 102 are electrically connected with the power board of the main controller respectively.

[0025] The mounting cylinder 3 is detachably connected to the main controller body 1 through bolts, and the filtering frame 6 is detachably connected to the mounting cylinder 3 through bolts, so that the filtering frame 6 and the mounting cylinder 3 can be disassembled for replacement or maintenance.

[0026] When the main controller body 1 needs to be cooled, the first electric cylinder 901 and the second electric cylinder 102 are started, the first electric cylinder pulls the sealing block 902 away from the second air holes 8, the first air holes 4 and the second air holes 8 are in communication, the second electric cylinder 102 pulls the opening and closing block 103 away from the third air holes 105, the inside of the main controller is in communication with the outside, at the same time, the heat dissipation fan 5 control switch is turned on, external air is sucked into the main controller body 1, dust contained in the air is filtered by the dust filter element arranged in the filtering frame 6 and then enters the mounting cylinder 3, so that the air sucked into the main controller body 1 is clean, the parts in the main controller body 1 are prevented from being damaged and aged, the maintenance amount is reduced, and the service life of the main controller is prolonged.

[0027] It will be obvious to a person skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments and can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and no

[0028] Furthermore, it should be understood that although the description is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description is made in this way only for the sake of clarity, and a person skilled in the art should consider the description as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A mine-use explosion-proof and intrinsically safe main controller, characterized in that: The device includes a main controller body (1), a through hole (2) on one side of the main controller body (1), an mounting cylinder (3) on the main controller body (1) outside the through hole (2), a fixing plate on the inner end of the mounting cylinder (3) facing the main controller body (1), a plurality of first ventilation holes (4) are spaced apart on the fixing plate, a cooling fan (5) is provided in the middle of the mounting cylinder (3), a filter frame (6) is provided at the open end of the mounting cylinder (3), a dust filter element is provided in the filter frame (6), an exhaust trough (7) with one open end is provided on the fixing plate near the inner side of the main controller body (1), a plurality of second ventilation holes (8) communicating with the first ventilation holes (4) are provided on the exhaust trough (7), a sealing component (9) that can seal the plurality of second ventilation holes (8) is provided at the open end of the exhaust trough (7), and an air outlet is provided on the side of the main controller body (1) away from the through hole (2), and an opening and closing component (10) is provided on the air outlet.

2. The mine-use explosion-proof and intrinsically safe main controller according to claim 1, characterized in that: The sealing assembly (9) includes a first electric cylinder (901) and a sealing block (902). The sealing block (902) is tightly fitted inside the exhaust groove (7). The first electric cylinder (901) is mounted on a fixed plate, and the output end of the first electric cylinder (901) is fixedly connected to the side of the sealing block (902).

3. A mine-use explosion-proof and intrinsically safe main controller according to claim 1, characterized in that: The air outlet is a long strip structure. The opening and closing assembly (10) includes an air outlet groove (101) with one end open, a second electric cylinder (102) and an opening and closing block (103). The air outlet groove (101) is set on the main controller body (1) outside the air outlet. The air outlet groove (101) has a plurality of air outlet holes (104) that communicate with the inside of the main controller body (1) at intervals along its length. The opening and closing block (103) is set in the air outlet groove (101). The opening and closing block (103) has a plurality of third ventilation holes (105) that communicate with the air outlet holes (104). The second electric cylinder (102) is set on the outer wall of the main controller body (1). The output end of the second electric cylinder (102) is fixedly connected to one side of the opening and closing block (103).

4. A mine-use explosion-proof and intrinsically safe main controller according to claim 1, characterized in that: The through hole (2) has a conical structure, and the fixing plate has an inverted conical structure that matches the conical shape.

5. A mine-use explosion-proof and intrinsically safe main controller according to claim 1, characterized in that: The cooling fan (5), the first electric cylinder (901), and the second electric cylinder (102) are electrically connected to the power board of the main controller.

6. A mine-use explosion-proof and intrinsically safe main controller according to claim 1, characterized in that: The mounting cylinder (3) is detachably connected to the main controller body (1) by bolts, and the filter frame (6) is detachably connected to the mounting cylinder (3) by bolts.

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