Mining explosion-proof intrinsic safety integrated controller

Abstract

The utility model discloses a mining explosion-proof intrinsic safety integrated controller, and relates to the field of mining equipment, the mining explosion-proof intrinsic safety integrated controller comprises a protective shell, an intrinsic safety surface cover is arranged at one end of the protective shell, an explosion-proof surface cover is fixed at one end, far away from the intrinsic safety surface cover, of the protective shell, a partition plate is fixed in the protective shell, two symmetrical mounting rods are fixed on the explosion-proof surface cover, and the two symmetrical mounting rods are fixed on the protective shell. A quick fixing mechanism is arranged between the intrinsic safety face cover and the protective shell, a sealing mechanism is arranged between the intrinsic safety face cover and the protective shell, and a control switch is installed on the intrinsic safety face cover. The intrinsically-safe surface cover and the protective shell are connected through the rapid fixing mechanism, so that the intrinsically-safe surface cover can be conveniently disassembled and assembled, and the interior of the controller can be conveniently repaired and maintained.

Description

Technical Field

[0001] This application relates to the field of mining equipment, and in particular to an intrinsically safe explosion-proof integrated controller for mining applications. Background Technology

[0002] The intrinsically safe explosion-proof integrated controller for mining is an electrical control device specifically designed for mining environments such as coal mines. It has dual explosion-proof characteristics of explosion-proof and intrinsic safety. It combines control functions with explosion-proof and intrinsically safe design, enabling it to operate safely in environments containing explosive gases such as methane and coal dust. It also features convenient installation, maintenance, and operation, and is widely used in automated control systems in mines.

[0003] The intrinsically safe explosion-proof integrated controller for mining consists of a support housing, an intrinsically safe faceplate, an explosion-proof faceplate, a partition, a connector head, indicator lights, a cable outlet, a control switch, and internal electronic components. When using this intrinsically safe explosion-proof integrated controller for mining, first fix the device in the required position, then connect the external wiring to the connector head, cable outlet, etc. on the support housing, and then use the control switch to control the wiring.

[0004] After prolonged use, the intrinsically safe integrated explosion-proof controller for mining may require maintenance of the electronic components inside the support housing. When maintaining these components, the outermost intrinsically safe cover needs to be removed. Traditional intrinsically safe covers are often fixed with bolts, which makes installation and disassembly complex. Frequent maintenance operations can also cause the bolts to loosen, affecting the explosion-proof performance of the equipment. Utility Model Content

[0005] The purpose of this application is to address the problem that traditional intrinsically safe faceplate fixing methods mentioned in the background art mostly use bolt connections, which are complex to install and disassemble, and are prone to bolt loosening during frequent maintenance operations, affecting the explosion-proof performance of the equipment. This application provides a mine explosion-proof intrinsically safe integrated controller.

[0006] To achieve the above objectives, this application specifically adopts the following technical solution:

[0007] A mine-use explosion-proof intrinsically safe integrated controller includes a protective housing, an intrinsically safe faceplate at one end of the protective housing, an explosion-proof faceplate fixed at the end of the protective housing away from the intrinsically safe faceplate, a partition fixed inside the protective housing, two symmetrical mounting rods fixed on the explosion-proof faceplate, a quick-fixing mechanism between the intrinsically safe faceplate and the protective housing, a sealing mechanism between the intrinsically safe faceplate and the protective housing, and a control switch installed on the intrinsically safe faceplate.

[0008] By adopting the above technical solution, the intrinsically safe cover and the protective shell are connected by a quick-fixing mechanism, which facilitates the disassembly and installation of the intrinsically safe cover and the inspection and maintenance of the controller's internal components.

[0009] Furthermore, the quick-fixing mechanism includes several fixing blocks that are symmetrically fixed in pairs to the inner wall of the protective shell. The intrinsically safe cover is fixed with a plug-in block corresponding to the fixing block. The plug-in block passes through the fixing block. A limit component is provided between the plug-in block and the fixing block. The protective shell is provided with a release component corresponding to the fixing block.

[0010] By adopting the above technical solution, the plug-in block on the intrinsically safe cover is inserted into the fixing block on the inner wall of the protective shell, and then the plug-in block is limited by the limiting component, which facilitates the fixing and disassembly of the intrinsically safe cover and the protective shell, and facilitates the inspection and maintenance of electronic components inside the protective shell.

[0011] Furthermore, a limiting block is provided on the fixing block, and a limiting groove is opened on the protective shell. The limiting groove passes through the fixing block, and the limiting block is located in the limiting groove and is slidably connected with the fixing block. Both the limiting block and the plug-in block are provided with evenly distributed limiting teeth, which face opposite directions.

[0012] By adopting the above technical solution, the limiting teeth on the plug block and the limiting teeth on the limiting block face opposite to each other, which makes it easy for the plug block to move unidirectionally on the fixed block, and makes it easy for the intrinsically safe cover to abut and be fixed on the protective shell.

[0013] Furthermore, a limiting spring is provided in the limiting groove, and both ends of the limiting spring are fixedly connected to the limiting block and the protective shell.

[0014] By adopting the above technical solution, the limiting block is supported by the limiting spring, which makes it easy for the limiting tooth inclined surface on the plug block to come into contact with the limiting tooth inclined surface on the limiting block, so that the limiting block can be reset.

[0015] Furthermore, the release component includes a strong magnet one fixed on the limiting block, and the protective shell is provided with a strong magnet two corresponding to the strong magnet one.

[0016] By adopting the above technical solution, strong magnet 2 attracts strong magnet 1, thereby making it easy for strong magnet 1 to drive the limiting block and allow the limiting block to break free from the restriction on the plug-in block.

[0017] Furthermore, the protective shell is provided with a slide rail corresponding to the second strong magnet. The slide rail is fixedly connected to the protective shell, the second strong magnet is slidably connected to the slide rail, and a limit rod is slidably connected through the second strong magnet. A support spring is provided on the limit rod, and both ends of the support spring are fixedly connected to the second strong magnet and the limit rod.

[0018] By adopting the above technical solution, the second strong magnet is placed in the slide rail, and the limiting rod on the second strong magnet abuts against the protective shell, thus restricting the position of the second strong magnet. This allows the second strong magnet to be moved aside when it is not needed, reducing the possibility that the second strong magnet will drive the first strong magnet.

[0019] Furthermore, the sealing mechanism includes a sealing gasket disposed between the intrinsically safe cover and the protective shell. A sealing strip is fixed to one side of the sealing gasket, and a sealing strip is fixed to the side of the sealing gasket away from the sealing strip. A sealing groove corresponding to the sealing strip is provided on the protective shell, and a sealing groove corresponding to the sealing strip is provided on the intrinsically safe cover. A positioning component is disposed between the protective shell and the intrinsically safe cover.

[0020] By adopting the above technical solution, the sealing gasket is positioned between the intrinsically safe cover and the protective shell, and the sealing strip one on the sealing gasket is inserted into the sealing groove one, and the sealing strip two is inserted into the sealing groove two, thereby improving the sealing performance between the intrinsically safe cover and the protective shell and further reducing the possibility of dust entering the protective shell from between the protective shell and the intrinsically safe cover.

[0021] Furthermore, the positioning assembly includes four positioning rods that are symmetrically fixed in pairs on the intrinsically safe faceplate. The end of each positioning rod away from the intrinsically safe faceplate is a pointed end, and a positioning ring corresponding to the positioning rod is fixed to the inner wall of the protective shell.

[0022] By adopting the above technical solution, when the intrinsically safe cover moves closer to the protective shell, the tip of the positioning rod on the intrinsically safe cover is inserted into the positioning ring fixed on the inner wall of the protective shell, so that the intrinsically safe cover can be easily aligned with the protective shell by adjusting the positioning rod and the positioning ring.

[0023] In summary, this application includes at least one of the following beneficial effects;

[0024] 1. This application, when it is necessary to inspect and maintain the electronic components inside the protective housing, involves pulling a limiting rod, causing it to slide on a second strong magnet. The limiting rod then disengages from the protective housing. Moving the limiting rod further causes the second strong magnet to move along a slide rail, aligning it with a first strong magnet. Attracted by the second strong magnet, the first strong magnet moves a limiting block away from the insertion block, causing the intrinsically safe cover to move away from the protective housing. The intrinsically safe cover then pulls the insertion block out of the fixing block, inserting it into the fixing block on the inner wall of the protective housing. When the insertion block is inserted into the fixing block, the limiting spring engages the limiting teeth on the limiting block with the limiting teeth on the insertion block, thus securing the intrinsically safe cover. This facilitates the disassembly and installation of the intrinsically safe cover, and enables convenient inspection and maintenance of the controller's internal components.

[0025] 2. In this application, when the intrinsically safe cover is fixed to the protective housing, the sealing strip 2 on the sealing gasket is first inserted into the sealing groove 2 on the intrinsically safe cover to provide temporary support for the sealing gasket and the sealing strip 1. When the intrinsically safe cover is fixed to the protective housing, the sealing strip 1 on the sealing gasket enters into the sealing groove 1 on the protective housing. The intrinsically safe cover and the protective housing compress and fix the sealing gasket, thereby improving the sealing performance between the intrinsically safe cover and the protective housing and further reducing the possibility of dust entering the protective housing from between the protective housing and the intrinsically safe cover. Attached Figure Description

[0026] Figure 1 This is a first three-dimensional structural schematic diagram of the intrinsically safe explosion-proof integrated controller for mining applications in this application;

[0027] Figure 2 This is a schematic diagram of the first internal structure of the intrinsically safe explosion-proof integrated controller for mining applications in this application;

[0028] Figure 3 This is a schematic diagram of the second internal structure of the intrinsically safe explosion-proof integrated controller for mining applications in this application;

[0029] Figure 4 This application Figure 2 Enlarged view of point A in the middle;

[0030] Figure 5 This application Figure 2 Enlarged diagram of point B in the middle.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Protective shell; 2. Intrinsically safe cover; 3. Explosion-proof cover; 4. Mounting rod; 5. Partition plate; 6. Quick-fixing mechanism; 61. Insertion block; 62. Fixing block; 63. Limiting component; 631. Limiting block; 632. Limiting tooth; 633. Limiting spring; 64. Release component; 641. Strong magnet one; 642. Strong magnet two; 643. Slide rail; 644. Limiting rod; 645. Supporting spring; 7. Sealing mechanism; 71. Sealing groove one; 72. Sealing groove two; 73. Sealing strip one; 74. Sealing strip two; 75. Sealing gasket; 76. Positioning component; 761. Positioning rod; 762. Positioning ring; 8. Control switch. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1 —5 provides further details regarding this application.

[0034] This application discloses an intrinsically safe explosion-proof integrated controller for mining applications.

[0035] Reference Figure 1 , Figure 2 and Figure 3 A mine-use explosion-proof intrinsically safe integrated controller includes a protective shell 1, an intrinsically safe faceplate 2 at one end of the protective shell 1, an explosion-proof faceplate 3 fixed at the end of the protective shell 1 away from the intrinsically safe faceplate 2, a partition 5 fixed inside the protective shell 1, two symmetrical mounting rods 4 fixed on the explosion-proof faceplate 3, a quick-fixing mechanism 6 between the intrinsically safe faceplate 2 and the protective shell 1, a sealing mechanism 7 between the intrinsically safe faceplate 2 and the protective shell 1, and a control switch 8 installed on the intrinsically safe faceplate 2.

[0036] When using this intrinsically safe explosion-proof integrated controller for mining, firstly, the intrinsically safe cover 2 is fixed to the protective shell 1 using a quick-fixing mechanism. The intrinsically safe cover 2 and the protective shell 1 are then pressed together by the sealing mechanism 7 to seal the gap between the protective shell 1 and the intrinsically safe cover 2. Next, the mounting rod 4 on the explosion-proof cover 3 is used to fix the entire controller in the required position. Then, the control lines are connected to the connectors on the protective shell 1. The control switch 8 on the intrinsically safe cover 2 is then used to control the connected lines. When maintenance is required on the electronic components inside the protective shell 1, the intrinsically safe cover 2 is removed from the protective shell 1 using the quick-fixing mechanism 6. The electronic components inside the protective shell 1 are then inspected and maintained. Finally, the quick-fixing mechanism 6 is used to fix the intrinsically safe cover 2 back to the protective shell 1. This connection facilitates the disassembly and installation of the intrinsically safe cover 2, making maintenance of the controller's internal components easier.

[0037] Reference Figure 2 , Figure 3 and Figure 4 The quick-fixing mechanism 6 includes several fixing blocks 62 that are symmetrically fixed in pairs to the inner wall of the protective shell 1. The intrinsically safe cover 2 is fixed with a plug-in block 61 corresponding to the fixing block 62. The plug-in block 61 passes through the fixing block 62. A limit component 63 is provided between the plug-in block 61 and the fixing block 62. The protective shell 1 is provided with a release component 64 corresponding to the fixing block 62.

[0038] In addition, a limiting block 631 is provided on the fixing block 62, and a limiting groove is provided on the protective shell 1. The limiting groove passes through the fixing block 62, and the limiting block 631 is located in the limiting groove and is slidably connected to the fixing block 62. The limiting block 631 and the plug-in block 61 are both provided with evenly distributed limiting teeth 632, and they face opposite directions.

[0039] Furthermore, a limit spring 633 is provided in the limit groove, and both ends of the limit spring 633 are fixedly connected to the limit block 631 and the protective shell 1.

[0040] Furthermore, the release component 64 includes a strong magnet 641 fixed on the limiting block 631, and a strong magnet 642 corresponding to the strong magnet 641 is provided on the protective shell 1.

[0041] Furthermore, the protective shell 1 is provided with a slide rail 643 corresponding to the second strong magnet 642. The slide rail 643 is fixedly connected to the protective shell 1, and the second strong magnet 642 is slidably connected to the slide rail 643. A limit rod 644 is slidably connected through the second strong magnet 642. A support spring 645 is provided on the limit rod 644. Both ends of the support spring 645 are fixedly connected to the second strong magnet 642 and the limit rod 644.

[0042] When fixing the intrinsically safe cover 2 to the protective shell 1, first align the insert block 61 on the intrinsically safe cover 2 with the fixing block 62 fixed to the inner wall of the protective shell 1. Then, bring the intrinsically safe cover 2 close to the protective shell 1, allowing the insert block 61 to be inserted into the fixing block 62. During the insertion of the insert block 61 into the fixing block 62, the inclined surface of the limiting tooth 632 on the insert block 61 abuts against the inclined surface of the limiting tooth 632 on the limiting block 631, allowing the limiting block 631 to move within the limiting groove. The movement causes the limiting block 631 to compress the limiting spring 633. After the intrinsically safe cover 2 and the protective shell 1 are completely in contact, the limiting spring 633 pushes the limiting tooth 632 on the limiting block 631 to engage with the limiting tooth 632 on the insert block 61, allowing the insert block 61 to move only unidirectionally on the fixing block 62, thus fixing the intrinsically safe cover 2. When it is necessary to remove the intrinsically safe cover 2 from the protective shell 1, the limiting rod 644 is pulled to allow the limiting rod to move in one direction. 644 slides on the second strong magnet 642, and the limiting rod 644 disengages from the protective shell 1. Then, the limiting rod 644 moves, causing the second strong magnet 642 to move in the slide rail 643, so that the second strong magnet 642 aligns with the first strong magnet 641. Under the attraction of the second strong magnet 642, the first strong magnet 641 moves the limiting block 631, causing the limiting block 631 to move away from the insertion block 61. Then, the intrinsically safe cover 2 moves away from the protective shell 1. The cover 2 pulls the plug-in block 61 out of the fixing block 62. The plug-in block 61 is fixed on the intrinsically safe cover 2, and then the fixing block 62 is fixed on the inner wall of the protective shell 1. When the plug-in block 61 on the intrinsically safe cover 2 is inserted into the fixing block 62, the limiting teeth 632 on the limiting block 631 limit the plug-in block 61, thereby facilitating the fixing and disassembly of the intrinsically safe cover 2 and the protective shell 1, and facilitating the inspection and maintenance of electronic components inside the protective shell 1.

[0043] Reference Figure 2 , Figure 3 and Figure 5 The sealing mechanism 7 includes a sealing gasket 75 disposed between the intrinsically safe cover 2 and the protective shell 1. A sealing strip 73 is fixed to one side of the sealing gasket 75, and a sealing strip 74 is fixed to the side of the sealing gasket 75 away from the sealing strip 73. A sealing groove 71 corresponding to the sealing strip 73 is provided on the protective shell 1, and a sealing groove 72 corresponding to the sealing strip 74 is provided on the intrinsically safe cover 2. A positioning component 76 is disposed between the protective shell 1 and the intrinsically safe cover 2.

[0044] In addition, the positioning assembly 76 includes four positioning rods 761 that are symmetrically fixed in pairs on the intrinsically safe cover 2. The end of the positioning rod 761 away from the intrinsically safe cover 2 is a pointed end, and the inner wall of the protective shell 1 is fixed with a positioning ring 762 corresponding to the positioning rod 761.

[0045] When fixing the intrinsically safe cover 2 to the protective housing 1, firstly, insert the second sealing strip 74 on the sealing gasket 75 into the second sealing groove 72 on the intrinsically safe cover 2 to temporarily support the sealing gasket 75 and the first sealing strip 73. Then, as the intrinsically safe cover 2 moves closer to the protective housing 1, the tip of the positioning rod 761 on the intrinsically safe cover 2 is inserted into the positioning ring 762 fixed to the inner wall of the protective housing 1. With the adjustment of the positioning rod 761 and the positioning ring 762, the intrinsically safe cover 2 is aligned with the protective housing 1. Then, when fixing the intrinsically safe cover 2 to the protective housing 1, the sealing gasket... The sealing strip 73 on the intrinsically safe cover 75 enters the sealing groove 71 on the protective shell 1. The intrinsically safe cover 2 and the protective shell 1 press and fix the sealing gasket 75. By setting the sealing gasket 75 between the intrinsically safe cover 2 and the protective shell 1, and then fixing the sealing strip 73 and the sealing strip 74 on the sealing gasket 75, and opening corresponding sealing grooves 71 and 72 on the protective shell 1 and the intrinsically safe cover 2, the sealing performance between the intrinsically safe cover 2 and the protective shell 1 can be improved, and the possibility of dust entering the protective shell 1 from between the protective shell 1 and the intrinsically safe cover 2 can be further reduced.

[0046] Working principle: The entire controller is fixed in the required position using the mounting rod 4 on the explosion-proof cover 3. Then, the control circuit is connected to the connector on the protective shell 1. The control switch 8 on the intrinsically safe cover 2 controls the connected circuit. When it is necessary to inspect and maintain the electronic components inside the protective shell 1, the limit rod 644 is pulled, allowing it to slide on the strong magnet 642. The limit rod 644 is released from its contact with the protective shell 1. Then, the limit rod 644 is moved, causing the strong magnet 642 to move in the slide rail 643, aligning it with the strong magnet 641. Under the attraction of the strong magnet 642, the strong magnet 641 moves the limit block 631 away from the plug-in block 61. Then, the intrinsically safe cover 2 is moved away from the protective shell 1, causing the plug-in block 61 to be pulled out from the fixing block 62. Then, the electronic components inside the protective shell 1 can be inspected and maintained.

[0047] After maintenance, the intrinsically safe cover 2 is brought closer to the protective shell 1. The tip of the positioning rod 761 on the intrinsically safe cover 2 is inserted into the positioning ring 762 fixed on the inner wall of the protective shell 1. With the adjustment of the positioning rod 761 and the positioning ring 762, the intrinsically safe cover 2 is aligned with the protective shell 1. Then, the insertion block 61 on the intrinsically safe cover 2 is inserted into the fixing block 62 on the inner wall of the protective shell 1. During the insertion of the insertion block 61 into the fixing block 62, the inclined surface of the limiting tooth 632 on the insertion block 61 abuts against the inclined surface of the limiting tooth 632 on the limiting block 631, allowing the limiting block 631 to move in the limiting groove and compress the limiting spring 633. After the intrinsically safe cover 2 and the protective shell 1 are completely in contact, the limiting tooth 632 on the limiting block 631 is locked with the limiting tooth 632 on the insertion block 61 under the push of the limiting spring 633, thus completing the fixing of the intrinsically safe cover 2.

Claims

1. A mine-use explosion-proof intrinsically safe integrated controller, comprising a protective housing (1), characterized in that: One end of the protective shell (1) is provided with an intrinsically safe cover (2), and the other end of the protective shell (1) away from the intrinsically safe cover (2) is fixed with an explosion-proof cover (3). A partition (5) is fixed inside the protective shell (1). Two symmetrical mounting rods (4) are fixed on the explosion-proof cover (3). A quick fixing mechanism (6) is provided between the intrinsically safe cover (2) and the protective shell (1). A sealing mechanism (7) is provided between the intrinsically safe cover (2) and the protective shell (1). A control switch (8) is installed on the intrinsically safe cover (2).

2. The intrinsically safe explosion-proof integrated controller for mining as described in claim 1, characterized in that: The quick-fixing mechanism (6) includes several fixing blocks (62) that are symmetrically fixed in pairs to the inner wall of the protective shell (1). The intrinsically safe cover (2) is fixed with a plug-in block (61) corresponding to the fixing block (62). The plug-in block (61) passes through the fixing block (62). A limit component (63) is provided between the plug-in block (61) and the fixing block (62). The protective shell (1) is provided with a release component (64) corresponding to the fixing block (62).

3. The intrinsically safe explosion-proof integrated controller for mining as described in claim 2, characterized in that: The fixed block (62) is provided with a limiting block (631), and the protective shell (1) is provided with a limiting groove. The limiting groove passes through the fixed block (62). The limiting block (631) is located in the limiting groove and is slidably connected to the fixed block (62). The limiting block (631) and the plug-in block (61) are both provided with uniformly distributed limiting teeth (632) and they face opposite directions.

4. A mine-use explosion-proof intrinsically safe integrated controller according to claim 3, characterized in that: A limiting spring (633) is provided in the limiting groove. Both ends of the limiting spring (633) are fixedly connected to the limiting block (631) and the protective shell (1).

5. A mine-use explosion-proof intrinsically safe integrated controller according to claim 4, characterized in that: The release component (64) includes a strong magnet (641) fixed on the limiting block (631), and a strong magnet (642) corresponding to the strong magnet (641) is provided on the protective shell (1).

6. A mine-use explosion-proof intrinsically safe integrated controller according to claim 5, characterized in that: The protective shell (1) is provided with a slide rail (643) corresponding to the strong magnet (642). The slide rail (643) is fixedly connected to the protective shell (1). The strong magnet (642) is slidably connected to the slide rail (643). A limit rod (644) is slidably connected through the strong magnet (642). A support spring (645) is provided on the limit rod (644). Both ends of the support spring (645) are fixedly connected to the strong magnet (642) and the limit rod (644).

7. A mine-use explosion-proof intrinsically safe integrated controller according to claim 1, characterized in that: The sealing mechanism (7) includes a sealing gasket (75) disposed between the intrinsically safe cover (2) and the protective shell (1). A sealing strip (73) is fixed on one side of the sealing gasket (75), and a sealing strip (74) is fixed on the side of the sealing gasket (75) away from the sealing strip (73). A sealing groove (71) corresponding to the sealing strip (73) is provided on the protective shell (1), and a sealing groove (72) corresponding to the sealing strip (74) is provided on the intrinsically safe cover (2). A positioning component (76) is disposed between the protective shell (1) and the intrinsically safe cover (2).

8. A mine-use explosion-proof intrinsically safe integrated controller according to claim 7, characterized in that: The positioning component (76) includes four positioning rods (761) that are symmetrically fixed in pairs on the intrinsically safe cover (2). The end of the positioning rod (761) away from the intrinsically safe cover (2) is a pointed end. The inner wall of the protective shell (1) is fixed with a positioning ring (762) corresponding to the positioning rod (761).

Images