PLC (Programmable Logic Controller) compatible with various input voltages

Abstract

The invention relates to the technical field of PLC controllers, and discloses a PLC controller compatible with various input voltages, which comprises a box body, a mounting device, a blocking device and a heat dissipation device, an inner box is slidably connected to the inner wall of the box body, a mounting plate is fixedly connected to the bottom of the box body, a mounting groove is formed in the front portion of the box body, a pressing block is slidably connected to the inner wall of the mounting groove, a threaded rod is in threaded connection to the inner wall of the pressing block, and a pressing plate is fixedly connected to the bottom of the pressing block. A copper plate is fixedly connected to the bottom of the pressing plate, a cutting plate is fixedly connected to the inner wall of the copper plate, and a clamping groove is formed in the inner wall of the mounting groove; the mounting device is arranged on the surface of the inner box, the blocking device is arranged on the inner wall of the inner box, and the heat dissipation device is arranged on the inner wall of the inner box, the controller can be directly connected with a wire, the operation of stripping rubber does not need to be added, and more convenience and rapidness are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of PLC controllers, in particular to a PLC controller compatible with multiple input voltages. Background Art

[0002] A PLC controller compatible with multiple input voltages is a device that can adapt to different electrical systems. It is designed to accept inputs from multiple different voltage ranges. This flexibility makes the PLC more versatile and adaptable in industrial environments in different countries and under different standards.

[0003] The patent with application number CN202121435177.6 discloses a PLC controller, which includes: a host, including a host shell and a main circuit board arranged in the host shell; and an expansion module, including an expansion shell and an expansion circuit board arranged in the expansion shell, the expansion shell is fixedly connected to the host shell, the main circuit board and the expansion circuit board are connected by the cooperation of a connector male seat and a connector female seat. The technical solution of this patent aims to complete the communication between the main circuit board and the expansion circuit board by the cooperation of the connector male seat and the connector female seat, so as to achieve the purpose of wiring-free, thereby simplifying the disassembly and assembly process of the main circuit board and the expansion circuit board. When this device and the existing controller connect a single wire, it is necessary to cut off the rubber at the wire connection to expose the internal copper wire, and then connect the copper wire to the connection port of the controller. The operation is cumbersome and complicated, so a PLC controller compatible with multiple input voltages is proposed to solve the above-mentioned problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a PLC controller compatible with multiple input voltages in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a PLC controller compatible with multiple input voltages, including a box body, and also including a mounting device, a blocking device and a heat dissipation device; the inner wall of the box body is slidably connected to an inner box, the bottom of the box body is fixedly connected to a mounting plate, the front of the box body is provided with a mounting groove, the inner wall of the mounting groove is slidably connected to a pressure block, the inner wall of the pressure block is threadedly connected to a threaded rod, the bottom of the pressure block is fixedly connected to a pressure plate, the bottom of the pressure plate is fixedly connected to a copper plate, the inner wall of the copper plate is fixedly connected to a cutting plate, and the inner wall of the mounting groove is provided with a card groove; the mounting device is arranged at the inner box The surface of the cutting plate is in contact with the inner wall of the slot after it moves, and the surface of the threaded rod is rotatably connected to the inner wall of the box body. When the wires need to be connected, multiple wires are directly placed on the top of the corresponding slots, and then the threaded rod is rotated. The threaded rod will drive the pressure block to move downward through the thread, and the pressure block will drive the pressure plate to move downward. The pressure plate will provide a copper plate to drive the cutting plate to move downward and cut the rubber on the surface of the wire, and expose the copper wire in the wire and contact the copper plate, so that the wire and the controller are directly connected without the need to add the operation of peeling off the rubber, which is more convenient and quick.

[0006] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod has a round shank to contact with said linking rod. The spring will compress the spring when the handle is pulled up and the top of the two clamps are in contact with each other and the spring will be compressed. At this time, the clamp will no longer fix the circuit board inside the inner box, so that the circuit board can be removed and repaired, and the reverse operation can realize the rapid installation of the circuit board, further improving the efficiency of device disassembly.

[0007] Preferably, the blocking device includes a push plate and an inclined block, the push plate is fixedly connected to the front and rear sides of the push rod, the inclined block is fixedly connected to the top of the push plate, and the surface of the push plate contacts the inner wall of the inner box; the blocking device also includes a baffle and an inclined plate, the baffle is slidably connected to the inner wall of the inner box, the inclined plate is fixedly connected to the bottom of the baffle, the bottom of the inclined plate contacts the top of the inclined block, and an elastic member is arranged between the left side of the inclined plate and the inner wall of the inner box. When the push rod moves up, the push plate will drive the push plate to move up, the push plate will drive the inclined block to move up, the inclined block will drive the inclined plate to move through the inclined surface, and the inclined plate will drive the baffle to move, so that the heat dissipation holes on the baffle are misaligned with the heat dissipation holes on the inner box and the box body, so that when the controller is disassembled, the heat dissipation holes on the controller are blocked by moving the baffle, so as to prevent dust from entering the inner box from the outside after disassembly, or closing the baffle when not in use can also effectively prevent dust from entering the device.

[0008] Preferably, the heat dissipation device includes a filter box, a clamping strip, an outer air box, an inner air box and a fan group, the filter box is slidably connected to the inner wall of the inner box, the clamping strip is fixedly connected to both sides of the filter box, the outer air box is slidably connected to the inner wall of the filter box, the inner air box is rotatably connected to the inner wall of the outer air box, and the fan group is installed on the inner wall of the inner air box; the heat dissipation device also includes a scraper, a rotating rod, a guide block, a clamping rod and a roller, the scraper is fixedly connected to both sides of the outer air box, the rotating rod is rotatably connected to the inner wall of the outer air box by a torsion spring The filter element is connected to the inner wall of the outer air box, the guide block is fixedly connected to the inner wall of the filter box, the clamping rod is slidably connected to the inner wall of the bottom of the inner air box by a spring, and the roller is rotatably connected to the inner wall of the outer air box; the bottom of the clamping rod is in contact with the inner wall of the outer air box, the surface of the roller is in contact with the inner wall of the filter box, the surface of the rotating rod is in contact with the surface of the guide block, the side of the scraper away from the outer air box is in contact with the inner wall of the filter box, the surface of the clamping strip is slidably connected to the inner wall of the inner box, and the controller is used. The fan group will play a role in blowing outside air into the controller, so that the outside air and the internal air are replaced to cool the controller and dissipate heat. At this time, the filter box will block the dust in the outside air to prevent the dust from entering the controller. At the same time, the inner air box is tilted in the outer air box. At this time, when the fan group rotates and blows air, the fan group will generate thrust on itself, and this thrust will push the outer air box to move. The movement of the outer air box will drive the rotating rod to move. When the rotating rod moves to contact the guide block, the guide block will push the rotating rod to rotate, and the rotating rod will push the inner air box to rotate. The inner air box will drive the card rod to compress the spring and move to another limit groove. At this time, the inner air box will rotate, so that the blowing direction of the fan group changes, and the fan group drives the outer air box to move in the opposite direction in the reverse direction, so that the fan group can be blown back and forth, further increasing the heat dissipation area and improving the heat dissipation effect. At the same time, the scraper on the outer air box will scrape off the dust on the inner wall of the filter box during the movement to prevent dust accumulation and affect the ventilation effect of the filter box.

[0009] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The PLC controller compatible with multiple input voltages operates through the cooperation between the box body, inner box, mounting plate, pressure block, mounting slot, threaded rod, pressure plate, copper plate, cutting plate and slot. When the wires need to be connected, multiple wires are directly placed on the top of the corresponding slots, and then the threaded rod is rotated. The threaded rod will drive the pressure block to move down through the thread, and the pressure block will drive the pressure plate to move down. The pressure plate will provide the copper plate to drive the cutting plate to move down and cut the rubber on the surface of the wire, and expose the copper wire in the wire and contact with the copper plate, so that the wire and the controller are directly connected without the need to add the operation of peeling off the rubber, which is more convenient and quick.

[0010] 2. The PLC controller compatible with multiple input voltages operates through the coordinated operation of the fixed plate, the card plate, the handle, the limit rod, the limit disk, the movable plate, the push rod, the bump, the support plate and the clamping plate. When the controller needs to be disassembled for maintenance and overhaul, the handle is pulled upward to make the handle drive the card plate to move up, and the card plate will drive the limit rod and the limit disk to move up. The upward movement of the limit disk will compress the spring. After the card plate is moved out of the mounting plate, the card plate is rotated to be parallel to the fixed plate so that the card plate is limited to the top of the fixed plate. At this time, the spring will push the limit disk to limit the card plate to the top of the fixed plate. At this time, the mounting plate and the fixed plate can be separated and disassembled, and the inner box can be removed from the box body, thereby facilitating the overhaul and maintenance of the controller.

[0011] 3. The PLC controller compatible with multiple input voltages operates through the cooperation between the push plate, the inclined block, the baffle and the inclined plate. When the push rod moves up, the push plate will be driven to move up, the push plate will drive the inclined block to move up, the inclined block will drive the inclined plate to move through the inclined surface, and the inclined plate will drive the baffle to move, so that the heat dissipation holes on the baffle are misaligned with the heat dissipation holes on the inner box and the box body. When the controller is disassembled, the heat dissipation holes on the controller can be blocked by moving the baffle to prevent dust from entering the inner box from the outside after disassembly. Or, when not in use, the baffle can be closed to effectively prevent dust from entering the device.

[0012] 4. The PLC controller compatible with multiple input voltages operates in coordination with the filter box, the card strip, the outer air box, the inner air box, the fan group, the scraper, the rotating rod, the guide block, the card rod, and the roller. When the controller is in use, the fan group will blow the outside air into the controller, so that the outside air and the internal air are replaced to cool down the controller. At the same time, the fan group can move back and forth left and right to further increase the heat dissipation area and improve the heat dissipation effect. At the same time, the scraper on the outer air box will scrape off the dust on the inner wall of the filter box during movement to prevent dust accumulation and affect the ventilation effect of the filter box. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the briquetting structure of the present invention; Figure 3 This is a schematic diagram of the inner box structure of the present invention; Figure 4 This is a schematic diagram of the fixing plate structure of the present invention; Figure 5 This is a schematic diagram of the structure of the card board of the present invention; Figure 6 This is a schematic diagram of the baffle structure of the present invention; Figure 7 This is a schematic diagram of the filter box structure of the present invention; Figure 8This is a schematic diagram of the structure of the fan assembly of the present invention; Fig. 9 It is a schematic diagram of the clamping rod structure of the present invention.

[0014] In the figure: 1, box body; 11, inner box; 12, mounting plate; 2, pressing block; 21, mounting groove; 22, threaded rod; 23, pressing plate; 24, copper plate; 25, cutting plate; 26, card slot; 3, mounting device; 31, fixing plate; 32, card plate; 33, handle; 34, limiting rod; 35, limiting disk; 351, moving plate; 352, push rod; 353, bump; 354, support plate; 355, clamping plate; 4, blocking device; 41, push plate; 42, inclined block; 421, baffle; 422, inclined plate; 5, heat dissipation device; 51, filter box; 52, card strip; 53, outer air box; 54, inner air box; 55, fan assembly; 551, scraper; 552, rotating rod; 553, guide block; 554, card rod; 555, roller. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] See also Figure 1-5An embodiment of the present invention is: a PLC controller compatible with multiple input voltages, including a box body 1, and also including a mounting device 3, a blocking device 4 and a heat dissipation device 5; the inner wall of the box body 1 is slidably connected with an inner box 11, the bottom of the box body 1 is fixedly connected with a mounting plate 12, the front of the box body 1 is provided with a mounting groove 21, the inner wall of the mounting groove 21 is slidably connected with a pressing block 2, the inner wall of the pressing block 2 is threadedly connected with a threaded rod 22, the bottom of the pressing block 2 is fixedly connected with a pressing plate 23, the bottom of the pressing plate 23 is fixedly connected with a copper plate 24, the inner wall of the copper plate 24 is fixedly connected with a cutting plate 25, the inner wall of the mounting groove 21 is provided with a card slot 26, when it is necessary to connect the wires, multiple wires are directly placed The corresponding top of the slot 26, then rotate the threaded rod 22, the threaded rod 22 will drive the pressure block 2 to move downward through the thread, and the pressure block 2 will drive the pressure plate 23 to move downward; the installation device 3 is arranged on the surface of the inner box 11, the blocking device 4 is arranged on the inner wall of the inner box 11, and the heat dissipation device 5 is arranged on the inner wall of the inner box 11; the surface of the cutting plate 25 after moving is in contact with the inner wall of the slot 26, the surface of the threaded rod 22 is rotatably connected to the inner wall of the box body 1, and the pressure plate 23 will provide the copper plate 24 to drive the cutting plate 25 to move downward and cut the rubber on the surface of the wire, and expose the copper wire in the wire and contact with the copper plate 24, so as to directly connect the wire to the controller without adding the operation of peeling off the rubber, which is more convenient and quick.

[0017] The mounting device 3 includes a fixing plate 31, a card plate 32, a handle 33, a limiting rod 34 and a limiting disk 35. The fixing plate 31 is fixedly connected to the surface of the inner box 11, the card plate 32 is slidably connected to the inner wall of the fixing plate 31, the handle 33 is fixedly connected to the top of the card plate 32, the limiting rod 34 is fixedly connected to the bottom of the card plate 32, and the limiting disk 35 is fixedly connected to the bottom end of the limiting rod 34. When the controller needs to be disassembled for maintenance and overhaul, the handle 33 is pulled upward so that the handle 33 drives the card plate 32 to move upward, and the card plate 32 drives the limiting rod 34 and the limiting disk 35 to move upward, and the limiting disk 35 moves upward to press The spring is compressed. When the card plate 32 is moved out of the mounting plate 12, the card plate 32 is rotated to be parallel to the fixed plate 31, so that the card plate 32 is limited at the top of the fixed plate 31. At this time, the spring will push the limit plate 35 to limit the card plate 32 at the top of the fixed plate 31. At this time, the mounting plate 12 and the fixed plate 31 can be separated and disassembled, and the inner box 11 can be removed from the box body 1, so as to facilitate the inspection and maintenance of the controller; the installation device 3 also includes a movable plate 351, a push rod 352, a protrusion 353, a support plate 354 and a clamping plate 355. The movable plate 351 is slidably connected to the inner wall of the fixed plate 31, and the push rod 352 The cam 352 is fixedly connected to the top of the movable plate 351, the convex block 353 is fixedly connected to the surface of the push rod 352, the support plate 354 is fixedly connected to the inner wall of the inner box 11, and the number of the clamping plates 355 is two, and the two clamping plates 355 are rotatably connected to the inner wall of the support plate 354; the surface of the push rod 352 is slidably connected to the fixed plate 31 and the inner wall of the inner box 11, and a spring is arranged above the two clamping plates 355, the surfaces of the limit plate 35 and the limit rod 34 are in contact with the inner wall of the fixed plate 31, the surface of the limit rod 34 is sleeved with a spring, and the two ends of the spring are respectively connected to the top of the limit plate 35 The inner wall of the fixed plate 31 is in contact with each other. When the limit plate 35 moves up, it will drive the movable plate 351 to move up, and the movable plate 351 will drive the push rod 352 to move up, and the push rod 352 will drive the protrusion 353 to move up. The protrusion 353 moves up and moves between the two clamping plates 355 and provides an arc surface to push the two clamping plates 355 to rotate, so that the tops of the clamping plates 355 contact each other and compress the springs. At this time, the clamping plates 355 will no longer fix the circuit board inside the inner box 11, so that the circuit board can be removed for maintenance, and the reverse operation can achieve rapid installation of the circuit board, further improving the efficiency of device disassembly.

[0018] Working principle: when it is necessary to connect the wires, place multiple wires directly on the top of the corresponding card slots 26, and then rotate the threaded rod 22. The threaded rod 22 will drive the pressure block 2 to move downward through the thread, and the pressure block 2 will drive the pressure plate 23 to move downward. The pressure plate 23 will provide the copper plate 24 to drive the cutting plate 25 to move downward and cut the rubber on the surface of the wire, and expose the copper wire in the wire and contact with the copper plate 24, so that the wire and the controller are directly connected without the need to add the operation of peeling off the rubber, which is more convenient and quick.

[0019] When the controller needs to be disassembled for maintenance and inspection, the handle 33 is pulled upward so that the handle 33 drives the card plate 32 to move upward, and the card plate 32 drives the limit rod 34 and the limit plate 35 to move upward. The upward movement of the limit plate 35 compresses the spring, and when the card plate 32 moves out of the mounting plate 12, the card plate 32 is rotated to be parallel to the fixing plate 31, so that the card plate 32 is limited to the top of the fixing plate 31. At this time, the spring will push the limit plate 35 to limit the card plate 32 to the top of the fixing plate 31. At this time, the mounting plate 12 and the fixing plate 31 can be separated and disassembled, and the inner box 11 can be removed from the box body 1, thereby facilitating the removal of the inner box 11. The controller is inspected and maintained, and when the limit plate 35 moves up, it will drive the movable plate 351 to move up, and the movable plate 351 will drive the push rod 352 to move up, and the push rod 352 will drive the protrusion 353 to move up, and the protrusion 353 moves up and moves between the two clamps 355 and provides an arc surface to push the two clamps 355 to rotate, so that the tops of the clamps 355 contact each other and compress the springs. At this time, the clamps 355 will no longer fix the circuit board inside the inner box 11, so that the circuit board can be removed for maintenance, and the reverse operation can achieve rapid installation of the circuit board, further improving the efficiency of device disassembly.

[0020] See also Figure 6-9 On the basis of the above embodiment, in another embodiment of the present invention, the blocking device 4 includes a push plate 41 and an inclined block 42. The push plate 41 is fixedly connected to the front and rear sides of the push rod 352, and the inclined block 42 is fixedly connected to the top of the push plate 41. The surface of the push plate 41 contacts the inner wall of the inner box 11. When the push rod 352 moves upward, the push plate 41 will drive the inclined block 42 to move upward, and the inclined block 42 will drive the inclined plate 422 to move through the inclined surface, and the inclined plate 422 will drive the baffle 421 to move; the blocking device 4 also includes a baffle 421 and an inclined plate 422. The baffle 421 is slidably connected On the inner wall of the inner box 11, the inclined plate 422 is fixedly connected to the bottom of the baffle 421, the bottom of the inclined plate 422 is in contact with the top of the inclined block 42, and an elastic member is arranged between the left side of the inclined plate 422 and the inner wall of the inner box 11. When the baffle 421 moves, the heat dissipation holes on the baffle 421 will be misaligned with the heat dissipation holes on the inner box 11 and the box body 1, so that when the controller is disassembled, the heat dissipation holes on the controller can be blocked by moving the baffle 421 to prevent dust from entering the inner box 11 from the outside after disassembly, or when not in use, the baffle 421 can be closed to effectively prevent dust from entering the device.

[0021] The heat dissipation device 5 includes a filter box 51, a clamping strip 52, an outer air box 53, an inner air box 54 and a fan group 55. The filter box 51 is slidably connected to the inner wall of the inner box 11, the clamping strip 52 is fixedly connected to both sides of the filter box 51, the outer air box 53 is slidably connected to the inner wall of the filter box 51, the inner air box 54 is rotatably connected to the inner wall of the outer air box 53, and the fan group 55 is installed on the inner wall of the inner air box 54. When the controller is in use, the fan group 55 will play and blow the outside air into the controller, so that the outside air and the internal air are replaced to cool the controller. The dust in the outside air is blocked to prevent the dust from entering the controller; the heat dissipation device 5 also includes a scraper 551, a rotating rod 552, a guide block 553, a clamping rod 554 and a roller 555, the scraper 551 is fixedly connected to both sides of the outer air box 53, the rotating rod 552 is rotatably connected to the inner wall of the outer air box 53 through a torsion spring, the guide block 553 is fixedly connected to the inner wall of the filter box 51, the clamping rod 554 is slidably connected to the inner wall of the bottom of the inner air box 54 through a spring, and the roller 555 is rotatably connected to the inner wall of the outer air box 53; the bottom of the clamping rod 554 is in contact with the inner wall of the outer air box 53 The surface of the roller 555 contacts the inner wall of the filter box 51, the surface of the rotating rod 552 contacts the surface of the guide block 553, the side of the scraper 551 away from the outer air box 53 contacts the inner wall of the filter box 51, and the inner air box 54 is tilted in the outer air box 53. At this time, when the fan group 55 rotates and blows air, the fan group 55 will generate thrust on itself, and this thrust will push the outer air box 53 to move, and the movement of the outer air box 53 will drive the rotating rod 552 to move. When the rotating rod 552 moves to contact with the guide block 553, the guide block 553 will push the rotating rod 552 to rotate. The inner air box 54 will rotate, and the rotating rod 552 will push the inner air box 54 to rotate. The inner air box 54 will drive the clamping rod 554 to compress the spring and move it to another limit groove. At this time, the inner air box 54 will rotate, so that the blowing direction of the fan group 55 will change, and the fan group 55 will drive the outer air box 53 to move in the opposite direction in the reverse direction, so that the fan group 55 can move back and forth to blow air, further increasing the heat dissipation area and improving the heat dissipation effect. At the same time, the scraper 551 on the outer air box 53 will scrape off the dust on the inner wall of the filter box 51 during the movement to prevent dust accumulation and thus affecting the ventilation effect of the filter box 51.

[0022] Working principle: when the push rod 352 moves upward, it will drive the push plate 41 to move upward, the push plate 41 will drive the inclined block 42 to move upward, the inclined block 42 will drive the inclined plate 422 to move through the inclined surface, and the inclined plate 422 will drive the baffle 421 to move, so that the heat dissipation holes on the baffle 421 are misaligned with the heat dissipation holes on the inner box 11 and the box body 1, so that when the controller is disassembled, the heat dissipation holes on the controller can be blocked by moving the baffle 421 to prevent dust from entering the inner box 11 from the outside after disassembly, or when not in use, closing the baffle 421 can also effectively prevent dust from entering the device.

[0023] When the controller is in use, the fan group 55 will blow the outside air into the controller, so that the outside air and the internal air are replaced to cool the controller. At this time, the filter box 51 will block the dust in the outside air to prevent the dust from entering the controller. At the same time, the inner air box 54 is tilted in the outer air box 53. At this time, when the fan group 55 rotates and blows air, the fan group 55 will generate thrust on itself, and this thrust will push the outer air box 53 to move. The movement of the outer air box 53 will drive the rotating rod 552 to move. When the rotating rod 552 moves to contact with the guide block 553, the guide block 553 will push The movable rotating rod 552 rotates, and the rotating rod 552 will push the inner air box 54 to rotate, and the inner air box 54 will drive the clamping rod 554 to compress the spring and move it to another limit groove. At this time, the inner air box 54 will rotate, so that the blowing direction of the fan group 55 changes, and the fan group 55 drives the outer air box 53 to move in the opposite direction in the reverse direction, so that the fan group 55 can move back and forth to blow air, further increasing the heat dissipation area and improving the heat dissipation effect. At the same time, the scraper 551 on the outer air box 53 will scrape off the dust on the inner wall of the filter box 51 during the movement to prevent dust accumulation and thus affecting the ventilation effect of the filter box 51.

[0024] The present invention provides a PLC controller compatible with multiple input voltages. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A PLC controller compatible with multiple input voltages, comprising a box body (1), characterized in that: It also includes a mounting device (3), a blocking device (4) and a heat dissipation device (5); The inner wall of the box body (1) is slidably connected to an inner box (11), the bottom of the box body (1) is fixedly connected to a mounting plate (12), a mounting groove (21) is provided at the front of the box body (1), a pressing block (2) is slidably connected to the inner wall of the mounting groove (21), a threaded rod (22) is threadedly connected to the inner wall of the pressing block (2), a pressing plate (23) is fixedly connected to the bottom of the pressing block (2), a copper plate (24) is fixedly connected to the bottom of the pressing plate (23), a cutting plate (25) is fixedly connected to the inner wall of the copper plate (24), and a clamping groove (26) is provided on the inner wall of the mounting groove (21); The mounting device (3) is arranged on the surface of the inner box (11), the blocking device (4) is arranged on the inner wall of the inner box (11), and the heat dissipation device (5) is arranged on the inner wall of the inner box (11); The surface of the cutting plate (25) after movement contacts the inner wall of the slot (26), and the surface of the threaded rod (22) is rotatably connected to the inner wall of the box body (1); The pressing plate (23) provides the copper plate (24) to drive the cutting plate (25) to move downward and cut the rubber on the surface of the wire, so that the copper wire in the wire is exposed and contacts the copper plate (24), thereby directly connecting the wire to the controller; The mounting device (3) comprises a fixing plate (31), a clamping plate (32), a handle (33), a limiting rod (34) and a limiting plate (35); the fixing plate (31) is fixedly connected to the surface of the inner box (11); the clamping plate (32) is slidably connected to the inner wall of the fixing plate (31); the handle (33) is fixedly connected to the top of the clamping plate (32); the limiting rod (34) is fixedly connected to the bottom of the clamping plate (32); and the limiting plate (35) is fixedly connected to the bottom end of the limiting rod (34); The mounting device (3) further comprises a movable plate (351), a push rod (352), a protrusion (353), a support plate (354) and a clamping plate (355); the movable plate (351) is slidably connected to the inner wall of the fixed plate (31); the push rod (352) is fixedly connected to the top of the movable plate (351); the protrusion (353) is fixedly connected to the surface of the push rod (352); the support plate (354) is fixedly connected to the inner wall of the inner box (11); and there are two clamping plates (355), and the two clamping plates (355) are rotatably connected to the inner wall of the support plate (354); The surface of the push rod (352) is slidably connected to the fixed plate (31) and the inner wall of the inner box (11); a spring is arranged above the two clamping plates (355); the surfaces of the limiting plate (35) and the limiting rod (34) are in contact with the inner wall of the fixed plate (31); the surface of the limiting rod (34) is sleeved with a spring, and the two ends of the spring are in contact with the top of the limiting plate (35) and the inner wall of the fixed plate (31) respectively; The blocking device (4) comprises a push plate (41) and an inclined block (42), wherein the push plate (41) is fixedly connected to the front and rear sides of the push rod (352), and the inclined block (42) is fixedly connected to the top of the push plate (41), and the surface of the push plate (41) is in contact with the inner wall of the inner box (11); The heat dissipation device (5) comprises a filter box (51), a clamping strip (52), an outer air permeable box (53), an inner air permeable box (54) and a fan group (55); the filter box (51) is slidably connected to the inner wall of the inner box (11); the clamping strip (52) is fixedly connected to two sides of the filter box (51); the outer air permeable box (53) is slidably connected to the inner wall of the filter box (51); the inner air permeable box (54) is rotatably connected to the inner wall of the outer air permeable box (53); and the fan group (55) is mounted on the inner wall of the inner air permeable box (54).

2. A PLC controller compatible with multiple input voltages according to claim 1, characterized in that: The blocking device (4) further comprises a baffle (421) and an inclined plate (422), wherein the baffle (421) is slidably connected to the inner wall of the inner box (11), and the inclined plate (422) is fixedly connected to the bottom of the baffle (421), the bottom of the inclined plate (422) and the top of the inclined block (42) are in contact with each other, and an elastic member is provided between the left side of the inclined plate (422) and the inner wall of the inner box (11).

3. A PLC controller compatible with multiple input voltages according to claim 1, characterized in that: The heat dissipation device (5) further comprises a scraper (551), a rotating rod (552), a guide block (553), a clamping rod (554) and a roller (555); the scraper (551) is fixedly connected to two sides of the outer air permeable box (53); the rotating rod (552) is rotatably connected to the inner wall of the outer air permeable box (53) via a torsion spring; the guide block (553) is fixedly connected to the inner wall of the filter box (51); the clamping rod (554) is slidably connected to the inner wall of the bottom of the inner air permeable box (54) via a spring; and the roller (555) is rotatably connected to the inner wall of the outer air permeable box (53).

4. A PLC controller compatible with multiple input voltages according to claim 3, characterized in that: The bottom of the clamping rod (554) contacts the inner wall of the outer air permeable box (53), the surface of the roller (555) contacts the inner wall of the filter box (51), the surface of the rotating rod (552) contacts the surface of the guide block (553), the side of the scraper (551) away from the outer air permeable box (53) contacts the inner wall of the filter box (51), and the surface of the clamping strip (52) is slidably connected to the inner wall of the inner box (11).

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