CN113242657A

CN113242657A - Modularization industrial control device

Info

Publication number: CN113242657A
Application number: CN202110504158.2A
Authority: CN
Inventors: 李艳; 王萍; 瞿艳娥
Original assignee: Shenzhen Tongfu Information Technology Co ltd
Current assignee: Shenzhen Tongfu Information Technology Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-08-10

Abstract

The invention is suitable for industrial control and provides a modular industrial control device which comprises a control box, wherein a plurality of inserting ports are formed in one side wall of the control box, a fan cover is arranged in an inner cavity of the control box, a square filter screen is fixedly installed at an opening at the bottom end of the fan cover, the lower bottom of the square filter screen is flush with the bottom end of the fan cover, a plurality of first screws are installed between the top end of the fan cover and the inner cavity wall of the control box in a threaded mode, one end, close to the plurality of inserting ports, of the fan cover penetrates through the inner cavity of the fan cover and is provided with a plurality of through holes, a plurality of air cylinders are embedded and filled between the side wall, close to the plurality of inserting ports, of the fan cover and the inner cavity of the fan cover, telescopic shafts are fixedly connected with output ends of the plurality of the telescopic shafts, and a plurality of blocking pieces are respectively arranged on inner hole walls corresponding to the through holes.

Description

Modularization industrial control device

Technical Field

The invention belongs to the technical field of industrial control, and particularly relates to a modular industrial control device.

Background

The industrial control device is mainly realized by combining electronics, electricity, machinery and software. The industrial control or factory automation control mainly means that the production and manufacturing process of a factory is more automated, efficient and accurate by using a computer technology, a microelectronic technology and an electric means, and has controllability and visibility;

for example, application No.: 201721310411.6, comprising an indicator light hole, an indicator light, a module circuit board connector, a main circuit board, a lower cover, a user connector, an upper cover, a display panel, a module circuit board connector, a module circuit board fastener, a mis-plugging prevention column, a main circuit board fastener, a mis-plugging prevention slot, a main circuit board connector, a module circuit board fixing screw, a main circuit board fixing screw, a buckle hole, a buckle, a mounting boss, a module circuit board fastener mounting hole, a first mounting hole of the module circuit board fastener, and a module circuit board fastener positioning hole.

Based on the prior art, the existing modularized industrial control device can realize plug-in type communication, but cannot realize cleaning and dust prevention of a plug-in part after plug-in; the existing device can not realize circulating heat dissipation and cooling through structural improvement;

there is a need for a modular industrial controller device.

Disclosure of Invention

The invention provides a modularized industrial control device, aiming at solving the problems that the existing modularized industrial control device can realize plug-in type communication, but cannot realize cleaning and dust prevention of a plug-in part after being plugged; and the existing device can not realize the circulating heat dissipation and cooling through the structural improvement.

The invention is realized in such a way, the modularized industrial control device comprises a control box, wherein a plurality of inserting ports are arranged on one side wall of the control box, a fan cover is arranged in an inner cavity of the control box, a square filter screen is fixedly arranged at an opening at the bottom end of the fan cover, the lower bottom of the square filter screen is flush with the bottom end of the fan cover, in order to avoid cleaning dead corners in the dust removing process, a plurality of first screws are arranged between the top end of the fan cover and the inner cavity wall of the control box in a threaded manner, one end of the fan cover, which is close to the plurality of inserting ports, penetrates through the inner cavity of the fan cover and is provided with a plurality of through holes, a plurality of air cylinders are embedded and filled between the side wall of the fan cover, the output ends of the air cylinders are fixedly connected with telescopic shafts, the output ends of the telescopic shafts are fixedly connected with baffle plates, and the baffle plates are respectively arranged in the inner hole walls corresponding to the through holes, the fan cover is fixedly provided with a plurality of threaded rings close to the side walls of the plurality of inserting ports, the threaded rings are respectively opposite to the corresponding inserting ports and have the same inner diameter, the top end of the fan cover is embedded and fixedly provided with a plurality of air suction mechanisms, the threaded rings are all provided with two half-thread mounting heads arranged in parallel in a threaded manner, the top ends of the half-thread mounting heads are all provided with second screws in a threaded manner, the two side edges of the half-thread mounting heads are all fixedly provided with mounting blocks, when the two half-thread mounting heads are spliced and attached, the four mounting blocks are opposite in position in pairs and a third screw is arranged between the two mounting blocks in a threaded manner, the whole thread mounting heads formed by splicing and attaching the two half-thread mounting heads are in a spherical design close to the inner cavities of the ends of the plurality of inserting ports, and are provided with air inlet and outlet mechanisms in a matched rolling manner, and the air inlet and outlet mechanisms all comprise spherical nozzles, the spherical nozzles are respectively installed in the spherical inner cavities of the corresponding integral thread installing heads in a rolling mode, the centers of the spherical nozzles are provided with central cavities, the central cavities penetrate through the outer spherical surfaces of the corresponding spherical nozzles and are provided with air inlets, the central cavities penetrate through the outer spherical surfaces of the corresponding spherical nozzles and are provided with air outlets, a circuit board is fixedly installed between the two inner cavity walls of the control box, the top ends of the circuit boards are provided with screw holes, four screws are installed in the screw holes in a threaded mode, the bottom end face of the circuit board is coated with heat dissipation silicone grease, a heat dissipation cover is arranged below the circuit board and is reversely buckled on the bottom end face of the circuit board, the heat dissipation silicone grease is coated in the inner cavity at the top end of the heat dissipation cover, a circle of rubber ring is bonded on the top end face of the heat dissipation cover, and the rubber ring replaces the heat dissipation cover to be in contact with the bottom end face of the circuit board, can ensure through the plasticity of rubber circle self that the heat exchanger that looses still has good sealed cladding effect to the heat dissipation silicone grease after using for a long time, a plurality of semicylinder recesses have been seted up with the heat dissipation silicone grease contact surface to the heat exchanger that looses, the inner chamber end fixed mounting of control box has the coolant liquid case, be provided with the water pump in the coolant liquid case, the output and a plurality of cooling tube intercommunication settings of water pump, a plurality of the cooling tube inserts respectively and packs in the semicylinder recess that corresponds, and a plurality of the other end of cooling tube all sets up with coolant liquid case intercommunication.

Furthermore, the bottom fixed mounting of control box has the support plate, the length of support plate equals the length of control box, the width of support plate is greater than the width of control box, the mounting groove has all been seted up at four edges and corners of support plate.

Furthermore, a plurality of bar notches, a plurality of all embedding fixed mounting has the bar filter screen in the bar notch have been seted up on the top of control box.

Furthermore, a plurality of suction fan constructs all including servo motor, and is a plurality of servo motor imbeds fixed mounting respectively on the top of fan housing, and is a plurality of the equal perpendicular fixedly connected with axis of rotation of servo motor's output, a plurality of the equal perpendicular fixed mounting in bottom of axis of rotation has the flabellum.

Furthermore, the outer ring wall of the half-thread mounting heads is provided with semicircular external threads, two parallel half-thread mounting heads are spliced to form a full-circle external thread, and the two parallel half-thread mounting heads are mounted in the internal thread rings of the corresponding thread rings through the full-circle external thread.

Furthermore, it is same be linear distribution between a plurality of air intakes on the spherical nozzle and an air exit, it is a plurality of the perpendicular fixed mounting of spherical outside surface of spherical nozzle has the spray tube, and is a plurality of the interior lumen of spray tube all with correspond the unanimous and intercommunication design of air exit internal diameter.

Furthermore, the plurality of spherical nozzles are formed by splicing two hemispherical nozzles with the same specification, wherein a slot is formed in the adjacent surface of one hemispherical nozzle, an inserting shaft is vertically and fixedly installed on the adjacent surface of the other hemispherical nozzle, and the two hemispherical nozzles form a complete spherical nozzle through the inserting and matching of the inserting shaft and the slot.

Furthermore, four corners of the rubber ring run through the top end face of the heat dissipation cover at the bottom end and are provided with threaded butt joint holes, and the heat dissipation cover and the rubber ring are detachably mounted with the circuit board through the threaded butt joint holes and the fourth screws.

Compared with the prior art, the invention has the following beneficial effects:

A：

in the device, in consideration of the problem that the existing modular industrial control device cannot realize cleaning and dust prevention at the splicing part after splicing, firstly, a wind cover and a fan are arranged in a control box to carry out directional dust removal operation on a circuit board;

B：

the device takes the traditional heat dissipation mode of combining a heat dissipation fan and a heat dissipation fin into consideration for heat dissipation of the circuit board, but the heat dissipation efficiency is still lower, the invention adopts the mode of inserting a cooling pipe in the heat dissipation cover to carry out contact type heat dissipation on heat dissipation silicone grease, increases the contact area and improves the heat dissipation efficiency, meanwhile, a circle of rubber ring is bonded on the top end surface of the heat dissipation cover, the rubber ring replaces the heat dissipation cover to be in contact with the bottom end surface of the circuit board, and the heat dissipation cover can be ensured to still have good sealing and coating effects on the heat dissipation silicone grease after being used for a long time through the plasticity of the rubber ring;

drawings

FIG. 1 is a schematic diagram of an overall structure provided in one embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of a wind inlet and outlet mechanism provided in the second embodiment of the present invention;

FIG. 4 is a schematic view of a half-threaded mounting head mounting structure according to a second embodiment of the present invention;

fig. 5 is a schematic structural view of an air inlet and outlet mechanism provided in the second embodiment of the present invention;

FIG. 6 is a schematic diagram of a circuit board mounting structure according to an embodiment of the present invention;

fig. 7 is a schematic sectional view of a heat dissipation cover according to an embodiment of the present invention;

fig. 8 is a schematic view of a heat dissipation cover according to an embodiment of the present invention;

fig. 9 is a schematic view of a corrugated fin structure according to an embodiment of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a control box; 11. an interface; 12. a strip-shaped notch; 13. a strip-shaped filter screen;

2. a carrier plate; 21. mounting grooves;

3. a fan housing; 31. a square filter screen; 32. a first screw; 33. a through hole; 34. a cylinder; 35. a telescopic shaft; 36. a baffle plate; 37. a threaded ring;

4. a suction mechanism; 41. a servo motor; 42. a rotating shaft; 43. a fan blade;

5. a half-thread mounting head; 51. a second screw; 52. mounting blocks; 53. a third screw;

6. an air inlet and outlet mechanism; 61. a spherical nozzle; 62. a central lumen; 63. an air inlet; 64. an air outlet; 65. a slot; 66. inserting a shaft;

7. a circuit board; 71. screw holes; 72. a fourth screw; 73. heat dissipation silicone grease;

8. a heat dissipation cover; 81. a rubber ring; 82. a threaded butt hole; 83. a semi-cylindrical recess;

9. a coolant storage box; 91. a water pump; 92. a cooling tube; 93. a corrugated fin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

As shown in figures 1 to 9: the utility model provides a modularization industrial control device, including control box 1, a serial communication port, a plurality of interface 11 are provided with to control box 1 one side wall, be provided with fan housing 3 in the inner chamber of control box 1, the top embedding fixed mounting of fan housing 3 has a plurality of mechanism 4 that induced drafts, fixed mounting has circuit board 7 between the double-phase internal cavity wall of control box 1, screw hole 71 has all been seted up to four edges and corners on the top of a plurality of circuit boards 7, equal threaded mounting has fourth screw 72 in four screw holes 71, the bottom face coating of circuit board 7 has heat dissipation silicone grease 73, the below of circuit board 7 is provided with radiator cap 8, radiator cap 8 back-off is at the bottom face of circuit board 7, the coating has heat dissipation silicone grease 73 in radiator cap 8's the top inner chamber, radiator cap 8's top face bonding has round rubber circle 81, rubber circle 81 replaces radiator cap 8 and circuit board 7's bottom face contact, can ensure through the plasticity of rubber circle 81 self that radiator cap 8 still has good The sealing and cladding effect is achieved, a plurality of semi-cylindrical grooves 83 are formed in the contact surface of the heat dissipation cover 8 and the heat dissipation silicone grease 73, a cooling liquid storage box 9 is fixedly installed at the bottom of an inner cavity of the control box 1, a water pump 91 is arranged in the cooling liquid storage box 9, the output end of the water pump 91 is communicated with a plurality of cooling pipes 92, the plurality of cooling pipes 92 are respectively inserted and filled in the corresponding semi-cylindrical grooves 83, the other ends of the plurality of cooling pipes 92 are communicated with the cooling liquid storage box 9, two opposite outer walls of the cooling liquid storage box 9 penetrate through the inner cavity and are filled with corrugated cooling fins 93 in an embedded mode, the contact area between the cooling liquid in the cooling liquid storage box 9 and the inner cavity of the control box 1 can be increased through the corrugated cooling fins 93, and high-temperature airflow in the control box 1 can be taken out when the dust removal operation of the air suction mechanism 4 is matched, and the cooling liquid is ensured to be in a low-temperature state for a long time.

As shown in figure 1: wherein, the bottom fixed mounting of control box 1 has support plate 2, and the length of support plate 2 equals the length of control box 1, and the width of support plate 2 is greater than the width of control box 1, and mounting groove 21 has all been seted up to four edges and corners of support plate 2.

As shown in fig. 2: wherein, a plurality of bar notches 12 have been seted up on the top of control box 1, all imbed fixed mounting in a plurality of bar notches 12 has bar filter screen 13.

As shown in fig. 2: wherein, a plurality of suction fan constructs 4 and all includes servo motor 41, and a plurality of servo motor 41 imbed fixed mounting respectively on the top of fan housing 3, the equal perpendicular fixedly connected with axis of rotation 42 of the output of a plurality of servo motor 41, and the equal perpendicular fixed mounting in bottom of a plurality of axis of rotation 42 has flabellum 43.

As shown in fig. 3 to 4: wherein, the outer annular wall of a plurality of half thread mounting heads 5 is provided with a semicircular external thread, two parallel half thread mounting heads 5 are spliced to form a full circle external thread, and the two parallel half thread mounting heads 5 are mounted in the internal thread ring of the corresponding thread ring 37 through the full circle external thread.

As shown in fig. 3 to 5: wherein, be linear distribution between a plurality of air intakes 63 and an air exit 64 on the same spherical nozzle 61, the ectosphere of a plurality of spherical nozzles 61 is vertical fixed mounting has the spray tube, and the inner lumen of a plurality of spray tubes all is unanimous with corresponding air exit 64 internal diameter and the intercommunication design.

As shown in fig. 6 to 8: wherein, four corners of rubber circle 81 run through the heat exchanger 8 top end face of bottom and all seted up screw thread butt joint hole 82, and heat exchanger 8 and rubber circle 81 all pass through screw thread butt joint hole 82 and fourth screw 72 and circuit board 7 screw thread demountable installation.

As shown in fig. 9: further considering the problem that the self temperature of the cooling pipe 92 rises after the cooling pipe 92 is used for a long time to reduce the heat dissipation efficiency, the cooling pipe 92 is filled with cooling liquid, the head end and the tail end of the cooling pipe 92 are respectively communicated with the water pump 91 and the cooling liquid storage box 9, and the cooling liquid circularly flows through the water pump 91, so that the purpose of cooling the cooling pipe 92 is achieved;

further consider that the coolant liquid is circulated for a long time and used, the cooling effect is reduced because the temperature of the coolant liquid rises, therefore, the corrugated cooling fins 93 are embedded and filled in the inner cavities of the two opposite outer walls of the coolant liquid storage box 9, the contact area between the coolant liquid in the coolant liquid storage box 9 and the inner cavity of the control box 1 can be increased through the corrugated cooling fins 93, and the high-temperature air flow in the control box 1 can be taken out when the dust removing operation of the air suction mechanism 4 is matched, thereby ensuring that the coolant liquid is in a low-temperature state for a long time.

Example two

In further consideration of the defect of single air draft dust removal operation, namely the problem of poor cleaning effect on hidden dust, the common motor is replaced by the servo motor 41, so that forward and reverse switching can be performed, the fan blades 43 are driven to rotate in the forward and reverse directions, double air suction operation is realized, and the operation efficiency is improved;

EXAMPLE III

Further considering the problem that the internal airflow passage of the spherical nozzle 61 is easy to block after long-term use, the spherical nozzle 61 is divided into two parts, and the complete spherical nozzle 61 is assembled in a splicing mode through the insertion shaft 66 and the insertion slot 65, so that the complete spherical nozzle 61 is convenient to roll in use, and the divided spherical nozzle 61 is convenient to clean after being disassembled;

example four

Each passage port corresponds to different reserved insertion ports 11 of the main circuit board, dust can be removed from the insertion ports 11 of the main circuit board simultaneously or dust can be removed directionally from a single specific insertion port, a square filter screen 31 is fixedly installed at an opening at the bottom end of the fan housing 3, the lower bottom of the square filter screen 31 is flush with the bottom end of the fan housing 3, so that a cleaning dead angle is avoided in the dust removing process, a plurality of first screws 32 are installed between the top end of the fan housing 3 and the inner cavity wall of the control box 1 in a threaded manner, a plurality of through holes 33 are formed in one end of the fan housing 3, which is close to the plurality of insertion ports 11, and penetrates through the inner cavity of the fan housing 3, a plurality of air cylinders 34 are embedded and filled between the side walls of the fan housing 3, the output ends of the plurality of the air cylinders 34 are fixedly connected with telescopic shafts 35, metal sealing rings are installed at the top ends of the air cylinders 34, and a plurality of small balls are embedded and fixedly installed in the inner ring walls of the metal sealing rings, the telescopic shaft 35 can roll relatively with a plurality of small balls simultaneously in the telescopic motion process, the telescopic motion stability of the telescopic shaft 35 is improved, the sliding abrasion between the telescopic shaft 35 and the port of the air cylinder 34 is reduced, the output ends of the telescopic shafts 35 are fixedly connected with blocking pieces 36, the blocking pieces 36 are respectively arranged on the inner hole walls of the corresponding through holes 33, a plurality of threaded rings 37 are fixedly arranged on the side walls of the fan cover 3 close to the plurality of inserting ports 11, and the threaded rings 37 are respectively opposite to the corresponding inserting ports 11 and have the same inner diameter;

further considering the problem that the air flow cannot directly reach the interface 11 due to the angle difference when the interface 11 of the control box 1 is cleaned, so as to reduce the cleaning efficiency and the cleaning effect, two half-thread mounting heads 5 arranged in parallel are installed at each thread ring 37 in a threaded manner, a spherical nozzle 61 is installed in a cylindrical inner cavity formed by splicing the two half-thread mounting heads 5 in a rolling manner, the inlet and outlet directions of the final air flow are adjusted through the rolling of the spherical nozzle 61, the cleaning efficiency is improved, and the cleaning effect is optimized, two half-thread mounting heads 5 arranged in parallel are installed in a plurality of thread rings 37 in a threaded manner, second screws 51 are installed at the top ends of the half-thread mounting heads 5 in a threaded manner, mounting blocks 52 are fixedly installed at two side edges of the half-thread mounting heads 5, when the two half-thread mounting heads 5 are spliced and attached, four mounting blocks 52 are opposite in position and third screws 53 are installed between the two half-thread mounting heads, the whole thread mounting head that 5 concatenation fits of two half thread mounting heads formed is close to a plurality of interfaces 11 one end inner chamber and is spherical design, and business turn over wind mechanism 6 is installed in the roll of looks adaptation, a plurality of business turn over wind mechanism 6 all include spherical nozzle 61, a plurality of spherical nozzle 61 roll respectively and install in the spherical inner chamber of the whole thread mounting head that corresponds, central cavity 62 has all been seted up to the centre of sphere of a plurality of spherical nozzle 61, a plurality of central cavities 62 run through the ectosphere that corresponds spherical nozzle 61 and have seted up a plurality of air intakes 63, a plurality of central cavities 62 run through the ectosphere that corresponds spherical nozzle 61 and have seted up an air exit 64.

Principle of operation

Mounting;

firstly, the whole thread mounting head 5 formed by splicing and combining two parallel half thread mounting heads 5 is mounted at the corresponding thread ring 37 in a threaded manner to ensure that an air path is unblocked, then the spherical nozzle 61 is driven to roll in a spherical inner cavity formed by the two corresponding half thread mounting heads 5 in a manner of stirring the spray pipe according to the actual relative position of the bayonet 11 of the control box 1 and the corresponding through hole 33, at this moment, part of the air inlet 63 is blocked, but part of the air inlet 63 is still ensured to be unblocked, the air outlet 64 and the spray pipe are kept unblocked, finally the spray pipe is ensured to be opposite to the corresponding bayonet 11 in position, the two corresponding third screws 53 are respectively screwed, and the spherical nozzle 61 is fixed in a threaded extrusion manner;

a dust removal step:

firstly, a plurality of servo motors 41 are synchronously started in the same frequency and direction, the corresponding fan blades 43 are driven to rotate through the rotating shaft 42, air in the inner cavity of the control box 1 and air entering the inner cavity of the control box 1 from a plurality of strip-shaped filter screens 13 are all pressed into the fan cover 3, the opening of the fan cover 3 is downward and is opposite to the circuit board 7, therefore, dust on the exposed part of the surface of the circuit board is blown up to facilitate the next air suction operation, meanwhile, the air cylinder 34 can be started according to actual requirements, the corresponding baffle plates 36 are respectively driven to lift through the corresponding telescopic shafts 35, then the through holes 33 are opened, the air passage for cleaning the inserting ports 11 is also opened, at the moment, air flow in the fan cover 3 not only blows downward to the circuit board 7, but also enters the inner cavity of the half-thread mounting head 5 through the through holes 33 and reaches the central cavity 62 through a plurality of air inlets 63 and finally reaches the air outlet 64, blowing the air to the interface 11 through the spray pipe;

then, synchronously starting a plurality of servo motors 41 with the same frequency and in reverse directions, and extracting dust and impurities blown up before according to the air blowing steps when the air flow movement directions are opposite, so as to achieve the effect of high-efficiency dust removal;

cooling:

firstly, the water pump 91 is started, the cooling liquid in the cooling liquid storage box 9 is pressed into the cooling pipe 92, the middle end of the cooling pipe 92 penetrates through the heat dissipation cover 8 and is completely wrapped in the heat dissipation cover 8, the outer arc surface of the top end of the cooling pipe 92 is contacted with the heat dissipation silicone grease 73, the outer protection surface of the bottom end of the cooling pipe 92 is embedded in a groove reserved on the bottom plate of the inner cavity of the heat dissipation cover 8 in a rolling manner, so that the cooling pipe 92 can exchange heat with the high-temperature heat dissipation silicone grease 73 and the heat dissipation cover 8, the temperature of the heat dissipation cover 8 and the temperature of the heat dissipation silicone grease 73 are reduced, the heat dissipation effect on the circuit board is improved, and meanwhile, the temperature of the cooling liquid in the cooling pipe 92 is increased;

then, the heated coolant is discharged back to the coolant storage box 9 through the cooling pipe 92, the contact area with the inner cavity of the control box 1 is increased through the corrugated radiating fins 93, and the high-temperature air flow in the control box 1 can be taken out while the dust removal operation of the air suction mechanism 4 is matched, so that the coolant is ensured to be in a low-temperature state for a long time, and then is pressed into the cooling pipe 92 again by the water pump 91, and the cooling operation of the circuit board is cyclically and repeatedly participated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a modularization industrial control device, includes control box (1), its characterized in that, a side wall of control box (1) is provided with a plurality of interfaces (11), be provided with fan housing (3) in the inner chamber of control box (1), it is a plurality of equal threaded mounting has two half thread installation heads (5) that set up side by side in screw ring (37), fixed mounting has circuit board (7) between the double-phase inner chamber wall of control box (1), and is a plurality of screw hole (71) have all been seted up to four edges on the top of circuit board (7), four equal threaded mounting has fourth screw (72) in screw hole (71), the bottom face coating of circuit board (7) has heat dissipation silicone grease (73), the below of circuit board (7) is provided with heat exchanger (8).

2. The modular industrial control device according to claim 1, wherein a support plate (2) is fixedly mounted at the bottom end of the control box (1), the length of the support plate (2) is equal to that of the control box (1), the width of the support plate (2) is greater than that of the control box (1), and mounting grooves (21) are formed at four corners of the support plate (2).

3. The modular industrial control device according to claim 2, characterized in that the top end of the control box (1) is provided with a plurality of bar-shaped notches (12), and a bar-shaped filter screen (13) is fixedly embedded in each of the bar-shaped notches (12).

4. The modular industrial control device according to claim 3, wherein a square filter screen (31) is fixedly installed at an opening at the bottom end of the fan housing (3), the bottom of the square filter screen (31) is flush with the bottom end of the fan housing (3) in order to avoid a dead cleaning angle in a dust removing process, a plurality of first screws (32) are installed between the top end of the fan housing (3) and the inner cavity wall of the control box (1) in a threaded manner, a plurality of through holes (33) are formed in the fan housing (3) through the inner cavity of the fan housing (3) near one end of the plurality of insertion ports (11), a plurality of air cylinders (34) are embedded and filled between the side wall of the fan housing (3) near the plurality of insertion ports (11) and the inner cavity of the fan housing (3), telescopic shafts (35) are fixedly connected at output ends of the plurality of air cylinders (34), and blocking pieces (36) are fixedly connected at output ends of the plurality of telescopic shafts (35), the baffle plates (36) are respectively arranged on the inner hole wall corresponding to the through holes (33), the fan cover (3) is fixedly provided with a plurality of threaded rings (37) close to the side walls of the plurality of inserting ports (11), the threaded rings (37) are respectively opposite to the corresponding inserting ports (11) in position and have the same inner diameter, and the top end of the fan cover (3) is fixedly provided with a plurality of air suction mechanisms (4) in an embedded mode.

5. The modular industrial control device according to claim 4, wherein the plurality of air suction mechanisms (4) comprise servo motors (41), the plurality of servo motors (41) are respectively embedded and fixedly installed at the top end of the air hood (3), the output ends of the plurality of servo motors (41) are vertically and fixedly connected with rotating shafts (42), and the bottom ends of the plurality of rotating shafts (42) are vertically and fixedly installed with fan blades (43).

6. The modular industrial control device as claimed in claim 5, wherein a second screw (51) is threadedly mounted on the top end of each of the half-thread mounting heads (5), mounting blocks (52) are fixedly mounted on both side edges of each of the half-thread mounting heads (5), when the two half-thread mounting heads (5) are spliced and attached, two positions of the four mounting blocks (52) are opposite, a third screw (53) is threadedly mounted between the four mounting blocks, an inner cavity of one end of the whole-thread mounting head formed by splicing and attaching the two half-thread mounting heads (5) close to the plurality of insertion ports (11) is designed in a spherical shape, an air inlet and outlet mechanism (6) is adaptively and rotatably mounted, a semicircular external thread is arranged on the outer annular wall of each of the half-thread mounting heads (5), and the two parallel half-thread mounting heads (5) are spliced and form a full-circular external thread, two parallel half-thread mounting heads (5) are mounted in the female thread ring of the corresponding thread ring (37) through full-circle male thread.

7. A modular industrial control device, according to claim 6, characterized in that a plurality of said air inlet and outlet means (6) each comprise a spherical nozzle (61), a plurality of said spherical nozzles (61) being respectively roll-mounted in the spherical cavities of the corresponding integral screw mounting heads, it is a plurality of center chamber (62) have all been seted up to the centre of sphere of spherical nozzle (61), and are a plurality of center chamber (62) run through the ectosphere that corresponds spherical nozzle (61) and seted up a plurality of air intake (63), and are a plurality of center chamber (62) run through the ectosphere that corresponds spherical nozzle (61) and seted up an air exit (64), and are same be linear distribution between a plurality of air intake (63) on spherical nozzle (61) and an air exit (64), and are a plurality of the perpendicular fixed mounting of ectosphere of spherical nozzle (61) has the spray tube, and is a plurality of the interior lumen of spray tube all with correspond air exit (64) internal diameter unanimously and communicate the design.

8. A modular industrial control device according to claim 7, characterized in that a plurality of said spherical nozzles (61) are also formed by splicing two hemispherical nozzles of the same size, wherein the adjacent surface of one hemispherical nozzle is provided with a slot (65), the adjacent surface of the other hemispherical nozzle is vertically and fixedly provided with an inserting shaft (66), and the two hemispherical nozzles form a complete spherical nozzle (61) by the inserting and matching of the inserting shaft (66) and the slot (65).

9. The modular industrial control device according to claim 8, wherein the heat dissipation cover (8) is reversely buckled on the bottom end face of the circuit board (7), the top end inner cavity of the heat dissipation cover (8) is coated with heat dissipation silicone grease (73), the top end face of the heat dissipation cover (8) is bonded with a circle of rubber ring (81), the rubber ring (81) replaces the heat dissipation cover (8) to contact with the bottom end face of the circuit board (7), the plasticity of the rubber ring (81) can ensure that the heat dissipation cover (8) still has good sealing and coating effects on the heat dissipation silicone grease (73) after long-term use, the contact face of the heat dissipation cover (8) and the heat dissipation silicone grease (73) is provided with a plurality of semi-cylindrical grooves (83), the bottom of the inner cavity of the control box (1) is fixedly provided with a cooling liquid storage box (9), and a water pump (91) is arranged in the cooling liquid storage box (9), the output end of the water pump (91) is communicated with a plurality of cooling pipes (92), the plurality of cooling pipes (92) are respectively inserted and filled in the corresponding semi-cylindrical grooves (83), the other ends of the plurality of cooling pipes (92) are communicated with the cooling liquid storage box (9), two opposite outer walls of the cooling liquid storage box (9) are respectively inserted and filled with corrugated radiating fins (93) through inner cavities, the contact area between the cooling liquid in the cooling liquid storage box (9) and the inner cavity of the control box (1) can be increased through the corrugated radiating fins (93), high-temperature air flow in the control box (1) can be taken out when the air suction mechanism (4) is matched for dedusting operation, the cooling liquid is ensured to be in a low-temperature state for a long time, the top end face of the radiating cover (8) with four corners penetrating through the bottom end of the rubber ring (81) is provided with threaded butt joint holes (82), the heat dissipation cover (8) and the rubber ring (81) are detachably mounted with the circuit board (7) through threads of the threaded butt joint hole (82) and the fourth screw (72).