Pluggable control box

Abstract

The invention discloses a pluggable control box, and the box comprises a housing which is provided with a mounting cavity and a mounting gap communicated with the mounting cavity; the first heat dissipation mechanism is arranged in the mounting cavity, the first heat dissipation mechanism comprises a first heat dissipation block and a guide assembly, and the first heat dissipation block is slidably mounted on the guide assembly; the main control module comprises a control panel, a first heat-conducting fin, a second heat-conducting fin and a second heat dissipation block arranged on a circuit board, the control panel comprises a mounting plate and the circuit board arranged on the mounting plate, a control chip is arranged on the circuit board, the first heat-conducting fin is arranged between the second heat dissipation block and the control chip, and the second heat-conducting fin is arranged between the second heat dissipation block and the control chip. The second heat-conducting fin is arranged between the mounting plate and the circuit board; wherein the control panel is inserted into the mounting cavity along the mounting gap, so that the second heat dissipation block is attached to the first heat dissipation block, and a first heat dissipation path is formed; and meanwhile, a second heat dissipation path is formed between the second heat conduction sheet and the shell. The problem that an existing control box is low in heat dissipation efficiency is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of control boxes, and in particular to a pluggable control box. Background Art

[0002] In the field of modular control box technology, heat dissipation has always been a key factor limiting device performance and reliability. These control boxes serve as the core control unit of electronic devices, and their internal main control chips and electronic components generate significant heat during operation. Inadequate heat dissipation can directly lead to component overheating, performance degradation, shortened lifespan, and even permanent damage.

[0003] Traditional control boxes use active cooling to dissipate heat. This involves creating honeycomb-shaped ventilation holes on the side walls of the control box, adjusting the layout of the internal components and structural parts to form an appropriate air duct, and equipping the box with a fan. Fin heat sinks are installed on the components that require heat dissipation, and the fan is used to drive air flow to dissipate heat. However, fans are prone to generating noise during long-term operation, which affects the user experience of the device. Fans are also prone to absorbing dust, which can reduce fan efficiency and easily cause fan failure. Furthermore, the side wall vents lack self-cleaning capabilities. In a dusty environment, dust easily accumulates in the vents, affecting ventilation and reducing heat dissipation efficiency. Summary of the Invention

[0004] The main purpose of the present invention is to provide a pluggable control box, aiming to solve the problem of low heat dissipation efficiency of existing control boxes.

[0005] To achieve the above object, the present invention provides a pluggable control box, comprising:

[0006] The housing is provided with a mounting cavity and a mounting notch communicating with the mounting cavity;

[0007] a first heat dissipation mechanism, disposed in the mounting cavity, comprising a first heat dissipation block and a guide assembly, wherein the first heat dissipation block is slidably mounted on the guide assembly;

[0008] A main control module, comprising a control board, a first heat conducting sheet, a second heat conducting sheet, and a second heat dissipation block disposed on the circuit board, wherein the control board comprises a mounting plate and a circuit board disposed on the mounting plate, a control chip is disposed on the circuit board, the first heat conducting sheet is disposed between the second heat dissipation block and the control chip, and the second heat conducting sheet is disposed between the mounting plate and the circuit board;

[0009] The control board is inserted into the mounting cavity along the mounting notch so that the second heat dissipation block fits with the first heat dissipation block to form a first heat dissipation path; at the same time, a second heat dissipation path is formed between the second heat conducting sheet and the housing.

[0010] Optionally, the guide assembly includes a fixed plate and a guide member, two fixed plates are provided, the two fixed plates are arranged opposite to each other, the guide member is fixedly set on the fixed plate, a guide groove is provided on the guide member, and the first heat dissipation block is slidably connected to the guide member through the guide groove.

[0011] Optionally, the guide assembly also includes an adjustment assembly, which includes an adjustment screw and a slider, the adjustment screw is rotatably connected to the fixed plate, the slider is threadedly connected to the adjustment screw, and the slider is connected to the first heat dissipation block through a positioning pin, and the adjustment screw rotates to drive the slider to move, thereby driving the first heat dissipation block to move along the guide groove.

[0012] Optionally, the main control template also includes an elastic structure, which is arranged between the mounting plate and the circuit board. The elastic structure includes an elastic sheet and a step screw, and the step screw is arranged at both ends of the elastic sheet to provide a pre-tightening force when locking.

[0013] Optionally, a countersunk hole is provided on the second heat dissipation block, and a first screw hole is provided on the circuit board. The countersunk hole and the first screw hole are aligned with each other, and an installation channel for the step screw to be installed is formed between the countersunk hole and the first screw hole.

[0014] Optionally, the mounting plate includes a bottom plate and side plates connected to each other, a plug sleeve is provided on the bottom plate, the side plate covers and closes the mounting notch, a second screw hole is provided on the circuit board that is aligned with the plug sleeve, a copper column is inserted into the plug sleeve, and the copper column is fixedly inserted into the plug sleeve through the second screw hole.

[0015] Optionally, a boss is provided on the bottom plate, the second heat conducting plate is located on the boss, a sink is provided on the second heat dissipation block, and the first heat conducting plate is located on the sink.

[0016] Optionally, the contact surfaces of the first heat conducting sheet, the control chip and the second heat dissipation block are all coated with thermal grease; the contact surfaces of the first heat dissipation block, the housing and the second heat dissipation block are all coated with thermal grease.

[0017] Optionally, both the first heat dissipation block and the second heat dissipation block are provided with wedge-shaped surfaces.

[0018] Optionally, the outer surface of the shell is serrated.

[0019] The present invention has the beneficial effect of solving the problem of low heat dissipation efficiency in existing control boxes. By providing a housing, a first heat dissipation mechanism, and a main control module, after the control board is inserted into the mounting cavity along the mounting notch, the second heat dissipation block tightly fits with the first heat dissipation block slidably mounted on the guide assembly to form a first heat dissipation path. Simultaneously, a second heat dissipation path is formed between the second heat conducting plate and the housing. The synergistic effect of these two heat dissipation paths accelerates the heat transfer from the control chip to the outside of the housing, thereby improving heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0021] Figure 1 This is a schematic structural diagram of a pluggable control box in the present invention;

[0022] Figure 2 This is an exploded view of a pluggable control box in the present invention;

[0023] Figure 3 A cross-sectional view of a pluggable control box in the present invention;

[0024] Figure 4 This is an exploded view of the main control module in the present invention;

[0025] Figure 5 This is an exploded view of the main control module in the present invention from another perspective;

[0026] Figure 6 A bottom view of the second heat dissipation block of the present invention;

[0027] Figure 7 1 is an exploded view of the first heat dissipation mechanism of the present invention;

[0028] Description of labels:

[0029] 1. Housing; 11. Installation notch; 12. Installation cavity;

[0030] 2. Main control module; 21. Mounting plate; 211. Bottom plate; 212. Side plate; 213. Boss; 214. Connector sleeve; 22. Circuit board; 221. Second screw hole; 222. Third screw hole; 23. Control chip; 24. Second heat sink; 241. First screw hole; 242. Sink; 25. First heat conducting plate; 26. Second heat conducting plate; 27. Elastic structure; 271. Elastic plate; 272. Step screw;

[0031] 3. First heat dissipation mechanism; 31. First heat dissipation block; 321. Fixing plate; 3211. Mounting slot; 322. Guide member; 323. Guide slot; 33. Adjustment assembly; 331. Adjustment screw; 332. Slider; 34. Limiting ring;

[0032] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0034] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0035] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if the meaning of "and / or" appearing in the full text is to include three parallel schemes, taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0036] One embodiment of the present invention provides a pluggable control box, referring to Figures 1 to 7 ,include:

[0037] The housing 1 is provided with a mounting cavity 12 and a mounting notch 11 communicating with the mounting cavity 12;

[0038] A first heat dissipation mechanism 3 is provided in the installation cavity 12, and the first heat dissipation mechanism 3 includes a first heat dissipation block 31 and a guide assembly, and the first heat dissipation block 31 is slidably mounted on the guide assembly;

[0039] The main control module 2 includes a control board, a first heat conducting sheet 25, a second heat conducting sheet 26, and a second heat dissipation block 24 provided on the circuit board 22. The control board includes a mounting plate 21 and a circuit board 22 provided on the mounting plate 21. The circuit board 22 is provided with a control chip 23. The first heat conducting sheet 25 is provided between the second heat dissipation block 24 and the control chip 23. The second heat conducting sheet 26 is provided between the mounting plate 21 and the circuit board 22.

[0040] The control board is inserted into the mounting cavity 12 along the mounting notch 11 so that the second heat dissipation block 24 fits with the first heat dissipation block 31 to form a first heat dissipation path; at the same time, a second heat dissipation path is formed between the second heat conducting sheet 26 and the housing 1 .

[0041] The present invention solves the problem of low heat dissipation efficiency of the existing control box. By providing a housing 1, a first heat dissipation mechanism 3 and a main control module 2, after the control board is inserted into the mounting cavity 12 along the mounting notch 11, the second heat dissipation block 24 is tightly fitted with the first heat dissipation block 31 slidably mounted on the guide assembly to form a first heat dissipation path. At the same time, a second heat dissipation path is formed between the second heat conductive sheet 26 and the housing 1. Through the synergistic effect of the dual heat dissipation paths, the heat of the control chip 23 is accelerated to the outside of the housing 1, thereby improving the heat dissipation efficiency. In the present invention, the housing 1 is made of aluminum alloy, which has good thermal conductivity and can efficiently conduct the heat generated by the internal electronic components. The guide assembly is fixedly arranged in the mounting cavity 12. The first heat dissipation block 31 is slidably mounted on the guide assembly. The control chip 23 is arranged on the circuit board 22. The first heat conductive sheet 25 is respectively fitted with the control chip 23 and the second heat dissipation block 24 to form the first heat dissipation path. The second heat conductive sheet 26 is arranged on the back of the circuit board 22 and corresponds to the position of the control chip 23. The second heat conductive sheet 26 is respectively fitted with the circuit board 22 and the mounting plate 21 to form the second heat dissipation path. In this embodiment, the first heat conducting sheet 25 is a heat conducting copper sheet, and the second heat conducting sheet 26 is a heat conducting silicone sheet.

[0042] Specifically, before inserting the main control module 2 along the installation notch 11, the first heat sink 31 slides to the initial position through the guide assembly to reserve a position for inserting the main control module 2, so as to avoid the control board from being unable to be installed normally due to the obstruction of the first heat sink 31. After the main control module 2 is inserted, the first heat sink 31 slides along the guide assembly again until the surface of the first heat sink 31 is respectively in contact with the second heat sink 24 and the housing 1 to form a first heat dissipation path, that is, the heat generated by the control chip 23 passes through the first heat conducting sheet 25, the second heat sink 24 and the first heat sink 25 in sequence. The heat dissipation block 31 is conducted to the shell 1 and dissipated to the outside; at the same time, after the first heat dissipation block 31 slides into place, its lateral thrust is transmitted to the circuit board 22 through the second heat dissipation block 24, so that the assembly gap between the circuit board 22 and the mounting plate 21 becomes smaller, so that the two surfaces of the second heat conducting plate 26 are respectively adhered to the circuit board 22 and the mounting plate 21 to form a second heat dissipation path. At this time, the heat of the main control chip is transferred to the circuit board 22, and is transferred to the mounting plate 21 through the second heat conducting plate 26, and then diffused to the outside through the contact between the mounting plate 21 and the shell 1.

[0043] Furthermore, the guide assembly includes two fixing plates 321 and guide members 322. The fixing plates 321 are provided, the two fixing plates 321 being arranged opposite each other. The guide members 322 are fixedly mounted on the fixing plates 321. The guide members 322 are provided with guide grooves 323, through which the first heat sink 31 is slidably connected to the guide members 322. In this embodiment, the two fixing plates 321 have mounting grooves 3211 formed on their inner sides for positioning and mounting the main control module 2. The mounting grooves 3211 are trapezoidal in structure, with their width gradually decreasing toward the installation direction of the main control module 2. When the main control module 2 is inserted into the installation cavity 12, the larger width at the entrance facilitates smooth insertion of the main control module 2, reducing installation difficulty. As the main control module 2 is inserted deeper, the width of the mounting grooves 3211 gradually narrows. At this point, the mounting grooves 3211 can position the main control module 2, preventing it from shaking or shifting during installation, and ensuring that the main control module 2 is accurately installed in the intended position. Furthermore, the guide member 322 is fixedly mounted on the fixing plate 321. A guide groove 323 is formed on the guide member 322. A guide hole is formed at a position corresponding to the guide groove 323 on the first heat sink 31. The first heat sink 31 is inserted into the guide hole and the guide groove 323 via a positioning pin to achieve a sliding connection. Specifically, the guide groove 323 has a sloped structure as a whole, gradually sloping downward from one end of the groove body to the other end. When the first heat sink 31 is inserted into the guide hole and the guide groove 323 via the positioning pin, due to the slope of the guide groove 323, when it is necessary to slide the first heat sink 31 to its initial position, only a very small external force is required. The first heat sink 31 can then slide smoothly to its initial position along the slope of the guide groove 323, eliminating the need for complex and time-consuming manual precision adjustments, thereby improving the efficiency and convenience of adjusting the position of the first heat sink 31.

[0044] Furthermore, the guide assembly also includes an adjustment assembly 33, which includes an adjustment screw 331 and a slider 332. The adjustment screw 331 is rotatably connected to the fixed plate 321, and the slider 332 is threadedly connected to the adjustment screw 331. The slider 332 is connected to the first heat dissipation block 31 through a positioning pin. The adjustment screw 331 rotates to drive the slider 332 to move, thereby driving the first heat dissipation block 31 to move along the guide groove 323. In this embodiment, an adjustment screw 331 is rotatably disposed between two fixed plates 321. Two arc-shaped holes are provided on the first heat sink 31, each containing a locating pin. A slider 332 is threadedly connected to the adjustment screw 331, and the slider 332 is fixedly connected to the first heat sink 31 via the locating pin. When the first heat sink 31 needs to slide to its initial position, the adjustment screw 331 is rotated, causing the slider 332 to drive the first heat sink 31 along the guide slot 323 to its initial position via the locating pin. Because the arc-shaped holes are provided on the first heat sink 31, the arc-shaped holes allow the locating pin to slide within a certain range within the adjustment screw 331 when the adjustment screw 331 drives the slider 332 to move, preventing damage to the locating pin or the first heat sink 31 due to the rigid connection. This allows the locating pin to smoothly drive the first heat sink 31 along the guide slot 323 without causing any jamming. Furthermore, limit rings 34 are provided at both ends of the adjustment screw 331 to limit the range of movement of the slider 332. When the adjusting screw 331 is rotated to drive the slider 332 to move, the slider 332 moves along the axis of the adjusting screw 331 under the action of the threaded transmission. When the slider 332 moves to the extreme position near one end of the adjusting screw 331, it will come into contact with the limiting ring 34 at that end. The limiting ring 34 can effectively block the slider 332 from further movement, preventing the slider 332 from escaping from the adjusting screw 331. This prevents the first heat sink 31 from losing power and malfunctioning due to the detachment of the slider 332, and also prevents the slider 332 from colliding with the fixing plate 321 or other components, causing damage.

[0045] Furthermore, the master control template also includes an elastic structure 27, which is disposed between the mounting plate 21 and the circuit board 22. The elastic structure 27 includes elastic sheets 271 and stepped screws 272, with the stepped screws 272 disposed at either end of the elastic sheets 271 to provide a preload during locking. In this embodiment, the elastic structure 27 comprises two sets of elastic sheets 271, one on either side of the control chip 23. The elastic sheets 271 are trapezoidal in shape, with stepped screws 272 disposed at either end. The stepped screws 272 pass through the circuit board 22 and connect to the second heat sink 24. When the first heat sink 31 slides into close contact with the second heat sink 24, the lateral thrust generated by the first heat sink 31 is transmitted to the circuit board 22 via the second heat sink 24, reducing the assembly gap between the circuit board 22 and the mounting plate 21. At this point, the two sets of elastic sheets 271 disposed on either side of the control chip 23 are further compressed. In addition to the pre-tightening force of the stepped screw 272, the elastic sheet 271 generates additional compressive deformation due to the action of the first heat sink 31, thereby providing greater contact pressure between the circuit board 22 and the mounting plate 21. This allows the second heat conducting sheet 26 to fit tightly between the circuit board 22 and the mounting plate 21, and the first heat conducting sheet 25 to fit tightly between the control chip 23 and the second heat sink 24. This ensures that heat can be efficiently transferred from the control chip 23 through the first heat conducting sheet 25 to the second heat sink 24. Furthermore, through the contact with the first heat sink 31, the heat is transferred to the housing 1 and dissipated to the external environment. Simultaneously, a tight contact is achieved between the circuit board 22, the second heat conducting sheet 26, and the mounting plate 21, allowing heat generated by the control chip 23 to be transferred through the second heat conducting sheet 26 to the mounting plate 21 and the housing 1, forming a dual heat dissipation path and improving heat dissipation efficiency. It should be noted that in this embodiment, the stepped screw 272 is used to limit the position, preventing the second heat sink 24 or the circuit board 22 from being over-compressed, which could cause the elastic sheet 271 to lose its elasticity.

[0046] Furthermore, a first screw hole 241 is defined on the second heat sink 24, and a second screw hole 221 is defined on the circuit board 22. The first screw hole 241 and the second screw hole 221 are aligned with each other, forming a mounting channel for the stepped screw 272 to pass through between the first screw hole 241 and the second screw hole 221. Specifically, the second heat sink 24 has a plurality of first screw holes 241, which are respectively arranged around the control chip 23. The first screw holes 241 and the second screw holes 221 are aligned with each other so that the axes of the first screw holes 241 and the second screw holes 221 are aligned, and the mounting channel allows the stepped screw 272 to pass through. When the second heat sink 24 is mounted on the circuit board 22, the stepped screw 272 passes through the second screw hole 221, enters the mounting channel, and is inserted into the first screw hole 241. The stepped screw 272 is then tightened until the stepped portion of the stepped screw 272 is in close contact with the surface of the second heat sink 24.

[0047] Furthermore, the mounting plate 21 includes a connected bottom plate 211 and side plates 212. The bottom plate 211 is provided with a plug sleeve 214. The side plates 212 cover and close the mounting notch 11. The circuit board 22 is provided with a third screw hole 222 that is aligned with the plug sleeve 214. The plug sleeve 214 is provided with a copper post (not shown). The copper post passes through the third screw hole 222 and is fixedly inserted into the plug sleeve 214. The bottom plate 211 is provided with four plug sleeves 214 for fixing the circuit board 22. The circuit board 22 is provided with a third screw hole 222 that is aligned with the plug sleeve 214. The mounting plate 21 and the circuit board 22 are fixedly connected by the copper post passing through the third screw hole 222 and inserted into the plug sleeve 214. The bottom plate 211 can be installed in the installation cavity 12 through the installation notch 11 of the housing 1, and the side plate 212 closes the installation cavity 12 to form a closed space in the installation cavity 12, preventing external impurities from entering the installation cavity 12. It should be noted that the height of the side plate 212 is slightly greater than the height of the installation notch 11. When the side plate 212 closes the installation cavity 12, there is surface contact between the side plate 212 and the housing 1. Therefore, when the heat of the control chip 23 is conducted to the second heat conducting plate 26 through the circuit board 22, and then conducted to the installation plate 21 through the second heat conducting plate 26, the installation plate 21 can conduct the heat of the control chip 23 to the housing 1 and dissipate it to the outside world through the surface contact between the side plate 212 and the housing 1. In addition, the side plate 212 and the housing 1 can be fixed by snap fasteners, or by screws or glue.

[0048] Furthermore, a boss 213 is provided on the bottom plate 211, and the second heat conducting sheet 26 is located on the boss 213. A sunken platform 242 is provided on the second heat sink 24, and the first heat conducting sheet 25 is located on the sunken platform 242. In this embodiment, the boss 213 is positioned relative to the control chip 23 and is used to attach the second heat conducting sheet 26 so that the second heat conducting sheet 26 can be precisely fitted with the control chip 23 to form a vertical heat conduction path. The sunken platform 242 is positioned relative to the control chip 23 and is used to fix the first heat conducting sheet 25 so that the first heat conducting sheet 25 can be precisely fitted with the control chip 23, thereby preventing a decrease in heat conduction efficiency due to displacement of the first heat conducting sheet 25.

[0049] Furthermore, the contact surfaces of the first heat-conducting plate 25, the control chip 23 and the second heat-dissipating block 24 are all coated with thermal grease; the contact surfaces of the first heat-dissipating block 31, the housing 1 and the second heat-dissipating block 24 are all coated with thermal grease. Thermal grease is a high-performance heat-conducting material that can not only fill the tiny gap between the heating element and the radiator, expel air, and reduce contact thermal resistance, but also effectively transfer the heat generated by the chip to the radiator. The two contact surfaces of the first heat-conducting plate 25 and the first heat-dissipating block 31 are all coated with thermal grease, which can fill the gaps between the first heat-conducting plate 25 and the control chip 23, the first heat-conducting plate 25 and the second heat-dissipating block 24, the first heat-dissipating block 31 and the housing 1, and the first heat-dissipating block 31 and the second heat-dissipating block 24, thereby improving the heat conduction efficiency.

[0050] Furthermore, wedge-shaped surfaces are provided on both the first heat dissipation block 31 and the second heat dissipation block 24. When the upper heat dissipation block and the second heat dissipation block 24 are in thermal contact, the wedge-shaped surfaces cooperate with each other to increase the thermal contact area and improve the heat conduction efficiency.

[0051] Furthermore, the outer surface of the shell 1 is serrated, which is used to increase the heat dissipation area of the shell 1 and improve the heat dissipation efficiency.

[0052] Furthermore, the housing 1, the guide assembly, the first heat sink 31, and the second heat sink 24 (excluding the first heat conducting plate 25) are all made of aluminum alloy. The metal housing 1 has excellent thermal conductivity, effectively conducting heat generated by the internal electronic components and preventing localized heat accumulation. Furthermore, the metal housing 1 is resistant to moisture and corrosive substances, protecting the monitor's internal circuits and sensors and extending the device's service life.

[0053] The above descriptions are merely optional embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present description and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A pluggable control box, characterized in that: include: The housing is provided with a mounting cavity and a mounting notch communicating with the mounting cavity; a first heat dissipation mechanism, disposed in the mounting cavity, comprising a first heat dissipation block and a guide assembly, wherein the first heat dissipation block is slidably mounted on the guide assembly; A main control module, comprising a control board, a first heat conducting sheet, a second heat conducting sheet, and a second heat dissipation block disposed on the circuit board, wherein the control board comprises a mounting plate and a circuit board disposed on the mounting plate, a control chip is disposed on the circuit board, the first heat conducting sheet is disposed between the second heat dissipation block and the control chip, and the second heat conducting sheet is disposed between the mounting plate and the circuit board; The control board is inserted into the mounting cavity along the mounting notch so that the second heat dissipation block fits with the first heat dissipation block to form a first heat dissipation path; at the same time, a second heat dissipation path is formed between the second heat conducting sheet and the housing.

2. The pluggable control box according to claim 1, characterized in that: The guide assembly includes a fixed plate and a guide member. There are two fixed plates, which are arranged opposite to each other. The guide member is fixedly arranged on the fixed plate. A guide groove is provided on the guide member. The first heat dissipation block is slidably connected to the guide member through the guide groove.

3. The pluggable control box according to claim 1, characterized in that: The guide assembly also includes an adjustment assembly, which includes an adjustment screw and a slider. The adjustment screw is rotatably connected to the fixed plate, and the slider is threadedly connected to the adjustment screw. The slider is connected to the first heat dissipation block through a positioning pin. The adjustment screw rotates to drive the slider to move, thereby driving the first heat dissipation block to move along the guide groove.

4. The pluggable control box according to claim 1, characterized in that: The main control template also includes an elastic structure, which is arranged between the mounting plate and the circuit board. The elastic structure includes an elastic sheet and a step screw, and the step screw is arranged at both ends of the elastic sheet to provide a pre-tightening force when locking.

5. The pluggable control box according to claim 4, characterized in that: A first screw hole is provided on the second heat dissipation block, and a second screw hole is provided on the circuit board. The first screw hole and the second screw hole are aligned with each other, and an installation channel for the step screw to be installed is formed between the first screw hole and the second screw hole.

6. The pluggable control box according to claim 1, characterized in that: The mounting plate includes a bottom plate and a side plate connected to each other, a plug sleeve is provided on the bottom plate, and the side plate covers and closes the mounting notch, a third screw hole is provided on the circuit board and is aligned with the plug sleeve, a copper column is inserted into the plug sleeve, and the copper column passes through the third screw hole and is fixedly inserted into the plug sleeve.

7. The pluggable control box according to claim 6, characterized in that: A boss is provided on the bottom plate, the second heat conducting plate is located on the boss, a sink is provided on the second heat dissipating block, and the first heat conducting plate is located on the sink.

8. The pluggable control box according to claim 1, characterized in that: The contact surfaces of the first heat conducting sheet, the control chip and the second heat dissipation block are all coated with thermal grease; the contact surfaces of the first heat dissipation block, the housing and the second heat dissipation block are all coated with thermal grease.

9. The pluggable control box according to claim 1, characterized in that: The first heat dissipation block and the second heat dissipation block are both provided with wedge-shaped surfaces.

10. The pluggable control box according to claim 1, characterized in that: The outer surface of the shell is serrated.

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