CN215774087U

CN215774087U - Controller assembly

Info

Publication number: CN215774087U
Application number: CN202122258418.0U
Authority: CN
Inventors: 殷威
Original assignee: Shanghai Baicheng Electric Equipment Manufacture Co Ltd
Current assignee: Shanghai Baicheng Electric Equipment Manufacture Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-08
Anticipated expiration: 2031-09-17

Abstract

The utility model relates to the technical field of electronic controllers, and particularly discloses a controller assembly. The controller assembly comprises a controller main body, a shell and a sealing block; the controller main body comprises a circuit board, and at least one key component is arranged on one side of the circuit board; the top surface of the shell is provided with a mounting groove, the controller main body is nested in the mounting groove, heat-conducting fins are mounted in the mounting groove, the number of the heat-conducting fins is the same as that of key components, and the key components are in one-to-one correspondence to the heat-conducting fins; the sealing block is arranged in the mounting groove and used for plugging the opening of the mounting groove. The controller assembly can be used for intensively dissipating heat of key components by means of the shell, so that the space of the shell is fully utilized. Through set up sealed piece in the mounting groove, can realize waterproof, dustproof scheduling problem of whole controller subassembly. The improvement enables the controller assembly to have the effects of heat dissipation, water resistance and dust resistance at the same time, so that the controller assembly can be applied to a complex working environment.

Description

Controller assembly

Technical Field

The utility model relates to the technical field of electronic controllers, in particular to a controller assembly.

Background

Along with the popularization and development of industrial automation, the requirement and the application range of automation control are wider and wider, a controller of an electronic circuit is used as a core control component of automation equipment, the controller plays a vital role in the operation process of the whole equipment, and if the whole set of equipment does not have the controller, the controller is equivalent to losing the soul. Nowadays, the requirements on the application conditions of electronic device products in life are higher and higher, the used working conditions are more and more complex, and especially the requirements on heat dissipation, water resistance and dust prevention of components in a controller are higher and higher, so that only the stable working state of the controller is ensured, the service life is longer, the utilization rate of the whole set of equipment can be higher, and the generated benefits are naturally in direct proportion to the requirements.

In order to realize the conditions, the requirements of heat dissipation, dust prevention, water prevention and the like of core components need to be focused during design, the application of the technology can well prevent failures such as internal circuit short circuit caused by temperature rise, high humidity environment, water inflow, or short circuit caused by dust substances entering the control panel assembly, the internal control system can be well protected through relatively sealed environment, the whole controller assembly can be well protected, and the use environment and the application range of the controller assembly are further expanded.

However, most of the existing controller assemblies use a method of adding a heat sink to a key component or a component with a heat sink component for heat dissipation, so as to solve the problems of temperature rise, heat dissipation and the like of the component. The process is simple and easy to realize. But also has the limitation that the heat sink can only dissipate heat for the components and cannot protect the whole controller assembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a controller assembly to improve the heat dissipation effect of the controller assembly.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a controller assembly comprising a controller body, a housing and a seal block; the controller main body comprises a circuit board, and at least one key component is arranged on one side of the circuit board; the top surface of the shell is provided with a mounting groove, the controller main body is nested in the mounting groove, heat-conducting fins are mounted in the mounting groove, the number of the heat-conducting fins is the same as that of the key components, and the key components are in one-to-one corresponding contact with the heat-conducting fins; the sealing block is arranged in the mounting groove and blocks the opening of the mounting groove.

The controller assembly further comprises a plurality of locking screws, the circuit board is provided with a plurality of circuit board through holes, a plurality of positioning bosses are arranged in the mounting groove, threaded holes are formed in the top ends of the positioning bosses, the threaded holes correspond to the circuit board through holes in the same number in a one-to-one mode, and the locking screws can penetrate through the circuit board through holes and are in threaded connection with the threaded holes.

Furthermore, the number of the circuit board through holes is four, and the four circuit board through holes are respectively located at four corners of the circuit board.

Preferably, the circuit board is nested in the mounting groove, and the circuit board is matched with the edge of the mounting groove.

Preferably, the circuit board has still been seted up the circuit board and has been prevented slow-witted mouth, still protruding being equipped with in the mounting groove prevents slow-witted arch, prevent slow-witted arch can pass the circuit board prevents slow-witted mouth.

Preferably, the circuit board is further connected with a cable, and the cable penetrates through the sealing block and extends out of the mounting groove.

Preferably, at least one clamping groove is formed in the groove bottom of the mounting groove, the clamping grooves are the same in number with the key components and are opposite to the key components one by one, and the heat conducting fins are embedded in the clamping grooves.

Preferably, a plurality of heat dissipation grooves are uniformly distributed on the bottom surface of the shell.

Preferably, the material of the housing is an aluminum alloy.

Preferably, the housing is integrally die-cast.

The utility model has the beneficial effects that:

this controller subassembly is through setting up the conducting strip for the heat of key components and parts can be conducted to the conducting strip fast, has guaranteed the radiating effect of controller subassembly, thereby has avoided key components and parts to damage because of overheated, and the setting of conducting strip has still reduced the risk that the casing is the thermal deformation, has prolonged the life of controller subassembly. The heat-conducting fins are matched with the shell, so that the key components do not need independent radiating fins for heat dissipation, and the cost of a die and materials is saved. The controller assembly can be used for intensively dissipating heat of key components by means of the shell, so that the space of the shell can be fully utilized. Through set up sealed piece in the mounting groove for the mounting groove cuts off with outside environment mutually, can solve controller subassembly waterproof, dustproof scheduling problem. The improvement enables the controller assembly to have the effects of heat dissipation, water resistance and dust prevention, improves the working efficiency of the controller assembly and can be applied to a complex working environment.

Drawings

FIG. 1 is a schematic diagram of a controller assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of a first perspective of a controller assembly provided by an embodiment of the present invention;

FIG. 3 is an exploded view of a second perspective of the controller assembly provided by an embodiment of the present invention;

fig. 4 is a flowchart of a method for manufacturing a controller assembly according to an embodiment of the present invention.

In the figure:

100. a controller main body; 110. a circuit board; 111. a circuit board through hole; 112. a fool-proof port of the circuit board; 120. key components; 130. a cable;

200. a housing; 201. a heat dissipation groove; 202. a fool-proof projection; 203. a clamping groove; 210. positioning the boss; 211. a threaded hole; 220. a heat conductive sheet;

300. locking screws; 400. and (6) sealing the block.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 3, the present embodiment provides a controller assembly including a controller main body 100, a housing 200, and a sealing block 400; the controller main body 100 includes a circuit board 110, and at least one key component 120 is mounted on one side of the circuit board 110; the top surface of the shell 200 is provided with a mounting groove, the controller main body 100 is nested in the mounting groove, the heat-conducting fins 220 are mounted in the mounting groove, the number of the heat-conducting fins 220 is the same as that of the key components 120, and the key components 120 are in one-to-one correspondence with the heat-conducting fins 220; the sealing block 400 is arranged in the mounting groove and seals the opening of the mounting groove.

Through setting up the conducting strip 220 for the heat of key components and parts 120 can be conducted to the conducting strip 220 fast on, has guaranteed the radiating effect of controller subassembly, thereby has avoided key components and parts 120 to damage because of overheated, and the setting of conducting strip 220 has still reduced the risk that casing 200 is heated and is out of shape, has prolonged the life of controller subassembly. The heat-conducting fins 220 and the housing 200 are matched, so that the key component 120 does not need separate heat-radiating fins for heat dissipation, and the cost of a mold and materials is saved. The controller assembly can intensively dissipate heat of the key components 120 by means of the shell 200, so that the space of the shell 200 can be fully utilized. Through set up sealed piece 400 in the mounting groove for the mounting groove cuts off with outside environment mutually, can solve controller subassembly waterproof, dustproof scheduling problem. The improvement enables the controller assembly to have the effects of heat dissipation, water resistance and dust prevention, improves the working efficiency of the controller assembly and can be applied to a complex working environment. Specifically, the heat conductive sheet 220 is a highly heat conductive material.

In this embodiment, the controller assembly further includes a plurality of locking screws 300, the circuit board 110 is provided with a plurality of circuit board through holes 111, the mounting groove is provided with a plurality of positioning bosses 210, the top ends of the positioning bosses 210 are provided with threaded holes 211, the threaded holes 211 are the same in number and correspond to the circuit board through holes 111 one by one, and the locking screws 300 can pass through the circuit board through holes 111 and be screwed in the threaded holes 211. The locking screw 300 fixes the circuit board 110 on the casing 200, so that the positioning effect of the circuit board 110 in the casing 200 is ensured, the key component 120 is ensured to be fully contacted with the heat-conducting fin 220, the risk of position deviation of the circuit board 110 in the mounting groove is reduced, and the service life of the controller assembly is prolonged.

Preferably, at least one clamping groove 203 is formed in the groove bottom of the mounting groove, the clamping grooves 203 are the same in number as the key components 120 and are opposite to the key components one by one, and the heat-conducting fins 220 are embedded in the clamping grooves 203. The setting up of joint groove 203 has made things convenient for the dismouting of conducting strip 220 in the mounting groove, has guaranteed that conducting strip 220 can contact each other with key components and parts 120, has greatly avoided the risk that the skew takes place because of the accident in the position of conducting strip 220.

Further, four circuit board through holes 111 are provided, and the four circuit board through holes 111 are respectively located at four corners of the circuit board 110. The arrangement of the four circuit board through holes 111 further improves the positioning effect of the circuit board 110 in the mounting groove, and prolongs the service life of the device.

In this embodiment, the sealing block 400 is formed by pouring sealant and then curing. The sealant has good sealing effect, high reliability and simple and convenient filling operation, and can well realize the waterproof and dustproof effects. The removal operation of the seal block 400 can be rapidly completed by directly breaking the seal block 400, thereby enabling the efficiency of maintenance to be improved. Preferably, the higher the thermal conductivity of the sealant material, the better, the high thermal conductivity of the sealing block 400 can improve the heat dissipation effect of the controller assembly, and prolong the service life of the controller assembly.

Preferably, the circuit board 110 is nested in the mounting groove, and the circuit board 110 is matched with the edge of the mounting groove. In this embodiment, the circuit board 110 is in a clearance fit with the edge of the mounting groove, and in other embodiments of this embodiment, the circuit board 110 is in an interference fit with the edge of the mounting groove. Above-mentioned setting not only can further guarantee circuit board 110 and stably connect in the mounting groove, can also avoid sealed glue to get into the part between circuit board 110 and the mounting groove tank bottom through the mode of circuit board 110 shutoff mounting groove to avoid sealed glue to lead to the fact the condition of influence to the heat dissipation of conducting strip 220 and casing 200, prolonged the life of device.

In this embodiment, the circuit board 110 further has a circuit board fool-proof opening 112, the mounting groove further has a fool-proof protrusion 202, and the fool-proof protrusion 202 can penetrate the circuit board fool-proof opening 112. The fool-proof protrusion 202 and the fool-proof port 112 of the circuit board are arranged, so that the situation of wrong assembling positions in the assembling process is avoided, and the yield of product assembling is ensured. Meanwhile, the arrangement is also beneficial to improving the positioning effect of the circuit board 110 in the mounting groove.

Preferably, the circuit board 110 is further connected with a cable 130, and the cable 130 passes through the sealing block 400 and protrudes out of the mounting groove. With the cable 130, the controller assembly can be caused to receive and transmit signals. Through the mode that sealed piece 400 cup joints cable 130, not only can guarantee the location effect of controller subassembly to cable 130, still make sealed piece 400 guarantee to the abundant shutoff of mounting groove.

In this embodiment, a plurality of heat dissipation grooves 201 are uniformly distributed on the bottom surface of the housing 200. The structural improvement of the heat dissipation groove 201 improves the heat dissipation efficiency of the housing 200, so that the temperature of the key component 120 can be rapidly reduced, and the heat dissipation effect of the controller assembly is further ensured.

Preferably, the housing 200 is integrally die-cast. The integrally die-cast housing 200 has a stable structure, low risk of damage or fracture, and a long service life.

Specifically, the material of the case 200 is an aluminum alloy. The aluminum alloy has the advantages of high heat conductivity and good heat dissipation efficiency.

In other embodiments of this embodiment, the housing 200 may be made of other materials with higher thermal conductivity and better heat dissipation efficiency; the sealant can be made of other waterproof, temperature-resistant and high-thermal conductivity materials; the heat conducting sheet 220 may be a heat conducting silicone sheet, a heat conducting silicone grease, or a high heat conducting metal sheet.

In this embodiment, the key components 120 include components such as a high-power transistor, a low-power transistor, a charging MOS transistor, and a discharging MOS transistor; the wiring board 110 is a Printed Circuit Board Assembly (PCBA) board.

As shown in fig. 4, the present embodiment further provides a manufacturing method of a controller assembly, applied to the controller assembly, including the following steps:

step one, the heat conducting fins 220 are installed in the installation grooves.

Step two, the circuit board 110 is nested in the housing 200.

And step three, performing finished product function test on the controller main body 100, if the controller main body 100 cannot meet the function requirement, disassembling the circuit board 110 and maintaining the controller main body 100, and then returning to the step two, otherwise, continuing to the step four.

And step four, pouring sealant into the mounting groove to enable the sealant to plug the opening of the mounting groove, and then waiting for the sealant to be cured into the sealing block 400.

Through the steps, the assembling, testing and packaging operations of the controller assembly can be completed in sequence, so that the manufacturing process of the controller assembly is efficiently completed, and meanwhile, the yield of the controller assembly can be guaranteed. The method is simple and convenient to operate, high in reliability, easy in quality control and convenient to put into large-scale batch production.

Specifically, the first step comprises the following detailed steps: the heat conducting plate 220 is fastened in the fastening groove 203.

After the second step, the following steps are also included: the circuit board 110 is fixed to the housing 200 by the locking screws 300.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A controller assembly, comprising:

the controller comprises a controller main body (100), wherein the controller main body (100) comprises a circuit board (110), and at least one key component (120) is installed on one side of the circuit board (110);

the controller comprises a shell (200), wherein the top surface of the shell (200) is provided with a mounting groove, the controller main body (100) is nested in the mounting groove, a heat-conducting fin (220) is mounted in the mounting groove, the number of the heat-conducting fins (220) is the same as that of the key components (120), and the key components (120) are in one-to-one corresponding contact with the heat-conducting fins (220);

and the sealing block (400) is arranged in the mounting groove and used for sealing the opening of the mounting groove.

2. The controller assembly according to claim 1, further comprising a plurality of locking screws (300), wherein the circuit board (110) is provided with a plurality of circuit board through holes (111), the mounting groove is provided with a plurality of positioning bosses (210), the top ends of the positioning bosses (210) are provided with threaded holes (211), the number of the threaded holes (211) is the same as that of the circuit board through holes (111) and the threaded holes (211) correspond to one another, and the locking screws (300) can penetrate through the circuit board through holes (111) and are screwed in the threaded holes (211).

3. The control assembly of claim 2, wherein there are four of the circuit board through holes (111), and four of the circuit board through holes (111) are located at four corners of the circuit board (110), respectively.

4. The control assembly of claim 1, wherein the wiring board (110) is nested within the mounting slot, and the wiring board (110) mates with an edge of the mounting slot.

5. The controller assembly according to claim 1, wherein the circuit board (110) further defines a circuit board fool-proof opening (112), the mounting groove further defines a fool-proof protrusion (202) therein, and the fool-proof protrusion (202) can pass through the circuit board fool-proof opening (112).

6. The control assembly of claim 1, wherein a cable (130) is further connected to the circuit board (110), the cable (130) extending through the sealing block (400) and out of the mounting slot.

7. The controller assembly according to claim 1, wherein at least one clamping groove (203) is formed in the bottom of the mounting groove, the number of the clamping grooves (203) is the same as that of the key components (120), the clamping grooves are aligned with the key components, and the heat-conducting fins (220) are embedded in the clamping grooves (203).

8. The control assembly according to any of claims 1-7, wherein the bottom surface of the housing (200) is uniformly provided with a plurality of heat dissipation grooves (201).

9. A control assembly according to any of claims 1-7, characterized in that the material of the housing (200) is an aluminium alloy.

10. A control assembly according to any of claims 1-7, characterized in that the housing (200) is integrally die cast.