CN216216223U

CN216216223U - Direct current brushless motor controller circuit board

Info

Publication number: CN216216223U
Application number: CN202122519588.XU
Authority: CN
Inventors: 聂敬礼; 聂敬忠
Original assignee: Changzhou Yongpei Electromechanical Technology Co ltd
Current assignee: Changzhou Yongpei Electromechanical Technology Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-05
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to a brushless DC motor controller circuit board belongs to the field of controller, and it includes the circuit board body, is connected with a plurality of mus pipes on the long limit direction of circuit board body, and the pin of a plurality of mus pipes is buckled the after-fixing on the circuit board body, and the bottom of mus pipe is connected with the base plate, and the base plate bottom is connected with the heating panel, and the base plate passes through the mounting to be fixed on the heating panel. This application has the heat that the Moss pipe produced and passes through the base to the heating panel, makes the effect that circuit board body radiating efficiency improves.

Description

Direct current brushless motor controller circuit board

Technical Field

The application relates to the field of controllers, in particular to a direct-current brushless motor controller circuit board.

Background

The motor controller is an integrated circuit which controls the motor to work according to the set direction, speed and corresponding time through active work.

Brushless motor controller generally uses in fields such as industrial equipment, car, medical instrument, electric motor car, and current motor controller shell comprises metal casing and plastic casing jointly, and metal casing is responsible for the fixed and the heat dissipation of circuit board, and the plastic casing provides the protection for the circuit board, and current circuit board is usually because of the work of mos pipe and the heat is too high, and current circuit board dispels the heat with circuit board itself usually, and circuit board radiating rate is slow, can not reach good radiating effect. And during heat dissipation, temperature build-up can easily cause damage to components on the circuit board.

In view of the above-mentioned related technologies, the inventor believes that the moss tubes on the existing circuit board generally directly contact with air, and thus naturally dissipate heat, the heat dissipation efficiency is low, and the heat generated by the moss tubes is easily accumulated on the circuit board, which results in poor heat dissipation effect of the circuit board.

SUMMERY OF THE UTILITY MODEL

In order to solve the not good problem of circuit board radiating effect, this application provides a DC brushless motor controller circuit board.

The application provides a DC brushless motor controller circuit board adopts following technical scheme:

the utility model provides a brushless DC motor controller circuit board, includes the circuit board body, be connected with a plurality of mus pipes on the long limit direction of circuit board body, it is a plurality of the pin of mus pipe is buckled the after-fixing on the circuit board body, the bottom of mus pipe is connected with the base plate, the base plate bottom is connected with the heating panel, the base plate passes through the mounting to be fixed on the heating panel.

Through adopting above-mentioned technical scheme, when the circuit board circular telegram, the work of Moss pipe produced the heat, and the heat that the Moss pipe produced is used in on the base plate, through base plate direction heating panel again, has reduced the influence of the heat that the Moss pipe produced to the circuit board body, has improved the radiating effect of circuit board. The Moss pipe is bent and then fixed on the circuit board body, so that the Moss pipe is horizontal, the Moss pipe is conveniently installed on the base plate by the mechanical arm, the base plate is installed on the heat dissipation plate by the fixing piece, and manpower is saved.

Preferably, the fixing part comprises a pressing strip, the pressing strip is arranged above the Moss tube, a bolt is arranged on the pressing strip, and the bolt penetrates through the substrate and then is in threaded connection with the heat dissipation plate.

By adopting the technical scheme, the pressing strip is used for fixing the circuit board body and the heat dissipation plate, and the pressing strip is parallel to the circuit board body, so that the mechanical arm can fix the circuit board body and the heat dissipation plate by using the bolt, and the installation efficiency of the circuit board is improved.

Preferably, an insulating pad is arranged between the Moss tube and the pressing strip.

By adopting the technical scheme, when the base plate is fixed on the heat dissipation plate by the pressing strip through the bolt, the insulating pad is tightly pressed between the Moss tube and the pressing strip, so that the buffering effect is provided for the Moss tube, and the possibility of damage to the Moss tube caused by the fact that the pressing strip is directly fixed on the Moss tube is reduced.

Preferably, a heat conduction layer is arranged between the substrate and the heat dissipation plate.

Through adopting above-mentioned technical scheme, the heat that produces when the work of Moss pipe is used in the base plate, and the heat-conducting layer is convenient to be passed to the heating panel with the heat on the base plate on, has further increased the radiating efficiency of circuit board body.

Preferably, the mounting includes fixed plate and dead lever, the fixed plate sets up the top at the moss pipe, the dead lever rotates to be connected on the heating panel, be equipped with the fixed slot on the fixed plate, the connecting hole has been seted up to the tank bottom of fixed slot, the dead lever top is passed the connecting hole and is extended to in the fixed slot, the top of dead lever is connected with the fixture block, the logical groove that supplies the fixture block to pass is seted up to the fixed slot bottom, it is linked together with the connecting hole to lead to the groove, the fixture block stretches into in the fixed slot and contradicts on the tank bottom of fixed slot from leading to the inslot.

Through adopting above-mentioned technical scheme, when needs are fixed base plate and heating panel, operating personnel rotates the dead lever to the assigned position, with the dead lever of the alignment of the connecting hole on the fixed plate, lead to the groove and put down the fixed plate after aiming at the fixture block, rotate the dead lever again, make the fixture block laminating on the tank bottom of fixed slot, accomplish the installation of base plate and heating panel, when needs dismantle base plate and heating panel, operating personnel rotates the fixture block on the dead lever and changes to leading to groove department, can accomplish the dismantlement of base plate and heating panel, the convenience of base plate and heating panel installation and dismantlement has been improved.

Preferably, the side wall of the clamping block is provided with a clamping plate, one end, far away from the clamping block, of the clamping plate is provided with a barb, the inner wall of the fixing groove is provided with a clamping plate, the clamping plate is provided with a clamping hole, and the barb penetrates through the clamping hole and then is clamped with the clamping plate.

Through adopting above-mentioned technical scheme, when fixed base plate and heating panel, operating personnel rotates the dead lever, makes barb on the fixture block and the joint hole chucking in the joint board, has consolidated being connected of base plate and heating panel. When needs are dismantled base plate and heating panel, press the barb, make fixture block and joint board separation, rotate the position of dead lever to connecting hole again, take off the fixed plate and can accomplish the dismantlement of base plate and heating panel, made things convenient for the installation and the dismantlement of base plate and heating panel, improved the stability that base plate and heating panel are connected simultaneously.

Preferably, the circuit board body is provided with a conductive plate, and the conductive plate is arranged between the opposite Moss tubes and connected with the pins of the Moss tubes.

Through adopting above-mentioned technical scheme, when the work of mo si pipe, the conducting plate has increased the conducting area between the mo si pipe, makes the pressure drop between the mo si pipe reduce, makes the heat that the mo si pipe produced reduce, has further improved the radiating effect of circuit board body.

Preferably, the heat dissipation plate is provided with a shell used for covering the circuit board body, one surface of the shell, which is in contact with the heat dissipation plate, is provided with a plurality of annular grains, and the annular grains are arranged on the outer side of the circuit board body.

Through adopting above-mentioned technical scheme, the arm is when fixed to casing and heating panel, carry out the rubber coating on the heating panel through the point gum machine earlier, place the casing on the heating panel again, the annular line makes things convenient for casing and glue to cooperate, the area of contact of glue with the casing has been increased, the bonding effect of heating panel and casing has been improved, the effect that blocks the rainwater has been played after glue solidifies, the leakproofness between casing and the heating panel has been improved, the rainwater has been reduced and the influence casing in the possibility of circuit board body work.

Preferably, the heat dissipation plate is provided with an annular groove matched with the annular grains.

By adopting the technical scheme, the annular groove and the annular grain are clamped tightly, so that the shell is conveniently pre-fixed. And the annular groove enables the connection between the glue and the heat dissipation plate to be more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the conducting plate increases the conducting area among the Moss tubes, reduces the voltage drop among the Moss tubes and improves the heat dissipation effect of the circuit board;

2. the heat generated by the Moss tube is guided to the heat dissipation plate by the substrate, so that the possibility that the heat generated by the Moss tube affects the circuit board is reduced, the heat dissipation rate of the circuit board is improved, and meanwhile, the heat dissipation of the Moss tube is facilitated;

3. the Moss pipe is fixed on the circuit board along the horizontal direction, makes things convenient for the robot arm to install the Moss pipe, has improved the efficiency of installation Moss pipe, and Moss pipe installation quantity is adjustable, makes the increase of circuit board application range.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a dc brushless motor controller circuit board according to a first embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram for embodying a conductive plate according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram for embodying the annular ridge and the shell according to the embodiment of the present application.

Fig. 5 is a schematic overall structure diagram of the second embodiment of the present application.

Fig. 6 is an enlarged view of a portion B in fig. 5.

Description of reference numerals: 1. a circuit board body; 11. a drive circuit; 111. a Moss tube; 12. a substrate; 121. a heat conductive layer; 13. a conductive plate; 2. a heat dissipation plate; 21. an annular groove; 3. a fixing member; 31. layering; 311. a bolt; 32. an insulating pad; 33. a fixing plate; 331. fixing grooves; 332. connecting holes; 333. a clamping and connecting plate; 334. a clamping hole; 335. a through groove; 34. fixing the rod; 341. a clamping block; 342. clamping a plate; 343. a barb; 4. a housing; 41. annular lines; 411. and (4) screws.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a direct current brushless motor controller circuit board. Referring to fig. 1 and 2, the dc brushless motor controller circuit board includes heating panel 2, be fixed with circuit board body 1 on the heating panel 2, be fixed with drive circuit 11 on the circuit board body 1, drive circuit 11 is conventional motor controller's drive circuit, drive circuit 11 is including setting up the moss tube 111 on circuit board body 1, after 111 pins of moss tube buckle along the horizontal direction welding on the long limit direction of circuit board body 1, make things convenient for the robotic arm to install the moss tube 111, realize automated production, the installation effectiveness of moss tube 111 has been improved.

The base plate 12 is fixed at the bottom of the Moss tube 111 positioned on the same side, the base plate 12 is arranged along the long side direction of the circuit board body 1, and the Moss tube 111 is arranged on the base plate 12 according to the requirements of specific circuits, so that the application range of the circuit board body 1 is adjustable. The base plate 12 is fixed on the heat dissipation plate 2 through the fixing part 3, so that the circuit board body 1 is fixed on the heat dissipation plate 2, heat generated when the circuit board body 1 and the Moss tube 111 work acts on the base plate 12 and then is transferred to the heat dissipation plate 2, the heat is dissipated, and the heat dissipation efficiency of the circuit board body 1 is improved.

Referring to fig. 1 and 2, the fixing member 3 includes a pressing strip 31 and an insulating pad 32, the pressing strip 31 is disposed on the mos tube 111, the pressing strip 31 is disposed parallel to the substrate 12, the insulating pad 32 is disposed between the mos tube 111 and the pressing strip 31, one end of the insulating pad 32 abuts against a lower wall of the pressing strip 31, the other end of the insulating pad 32 abuts against an upper wall of the mos tube 111, the insulating pad 32 is made of rubber, the pressing strip 31 is uniformly provided with four bolts 311 along a length direction of the pressing strip 31, the bolts 311 fix the substrate 12 on the heat dissipation plate 2, and at this time, the insulating pad 32 is clamped between the pressing strip 31 and the mos tube 111.

The pressing strip 31 and the insulating pad 32 are horizontally arranged, so that the pressing strip 31 and the insulating pad 32 can be conveniently installed by a mechanical arm, automatic production is realized, and the installation efficiency of the circuit board body 1 is improved. And the rubber is soft, so that the possibility that the pressing strip 31 is fixed on the Moss tube 111 to cause abrasion to the Moss tube 111 is reduced.

Referring to fig. 1 and 3, a heat conducting layer 121 is disposed between the substrate 12 and the heat dissipating plate 2, the mechanical arm forms the heat conducting layer 121 after coating heat conducting silicone grease on the bottom of the substrate 12, and the heat conducting silicone grease has good heat conductivity and facilitates heat on the substrate 12 to be transmitted to the heat dissipating plate 2. When the circuit board body 1 is electrified, heat generated by the work of the Moss tube 111 is guided to the heat dissipation plate 2 through the substrate 12, the heat conduction layer 121 conveniently transfers the heat to the heat dissipation plate 2, the possibility that the work of the Moss tube 111 is influenced by the heat accumulated in the substrate 12 is reduced, and therefore the heat dissipation rate of the circuit board body 1 is improved.

Referring to fig. 1 and 3, a conductive plate 13 is fixed on a side of the circuit board body 1 away from the driving circuit 11, and the conductive plate 13 is connected to pins of the corresponding moss tubes 111 on the circuit board body 1. When the circuit board body 1 is powered on, the conductive plate 13 increases the conductive area between the corresponding Moss tubes 111, so that the voltage drop between the corresponding Moss tubes 111 is reduced, the heat emitted by the Moss tubes 111 is reduced, and the heat dissipation effect of the circuit board body 1 is further improved.

Referring to fig. 1 and 4, the heat sink 2 is fixed with a housing 4 by screws 411, and the housing 4 covers the circuit board body 1 and protects the circuit board body 1, thereby prolonging the service life of the circuit board body 1. The one side that casing 4 and heating panel 2 contacted is equipped with annular line 41, and circuit board body 1 sets up the inboard at annular line 41, is equipped with the ring channel 21 with annular line 41 matched with on the heating panel 2.

Before casing 4 is fixed with heating panel 2, operating personnel uses the point gum machine rubber coating on heating panel 2, annular line 41 and ring channel 21 have restricted the removal of glue, and improved the area of contact between glue and heating panel 2 and the casing 4, make casing 4 and heating panel 2's bonding effect improve, glue solidifies the back, has increased the leakproofness between casing 4 and heating panel 2, has reduced the possibility that the rainwater influences circuit board body 1 in getting into casing 4.

The implementation principle of a dc brushless motor controller circuit board of the first embodiment of the present application is: the mechanical arm fixes the mos tube 111 on both sides of the substrate 12, bends the pins of the mos tube 111 and then welds the bent pins to the circuit board body 1, and then welds the remaining driving circuits 11 to the circuit board body 1. The robot arm then fixes the conductive plate 13 on the side of the circuit board body 1 away from the driving circuit 11 and connects the conductive plate 13 with the opposite moss tube 111.

The mechanical arm places the insulating pad 32 and the pressing strip 31 on the moss tube 111 from bottom to top, fixes the pressing strip 31 on the heat dissipation plate 2 through the bolt 311 to complete the installation of the circuit board body 1 and the heat dissipation plate 2, then uses the glue dispenser to coat glue in the annular groove 21 on the heat dissipation plate 2, and the mechanical arm uses the screw 411 to fix the shell 4 on the heat dissipation plate 2 to complete the installation. The heat dissipation effect of the circuit board body 1 is increased, automatic production is achieved, the installation efficiency of the circuit board body 1 is improved, and manpower is saved.

Example two

Referring to fig. 5 and 6, different from the first embodiment, in the second embodiment, the fixing member 3 includes a fixing plate 33 and four fixing rods 34, the four fixing rods 34 are uniformly distributed on the heat dissipation plate 2 and rotatably connected to the heat dissipation plate 2, a fixing groove 331 corresponding to the fixing rod 34 is formed in the fixing plate 33, a connecting hole 332 is formed in the bottom of the fixing groove 331, the fixing rod 34 extends from the connecting hole 332 to the fixing groove 331, a through groove 335 is formed in the bottom of the fixing groove 331, the through groove 335 is communicated with the connecting hole 332, a fixture block 341 is integrally formed on the fixing rod 34, the fixture block 341 extends from the through groove 335 to the fixing groove 331, and the fixture block 341 can abut against the bottom of the fixing groove 331 after the fixing rod 34 rotates.

The lateral wall of the clamping block 341 is connected with two opposite clamping plates 342, one end of each clamping plate 342, which is far away from the clamping block 341, is integrally formed with a barb 343, the barb 343 can deform towards the surface of the clamping plate 342, the lateral wall of the fixing groove 331 is fixed with a clamping plate 333, and the clamping plate 333 is provided with a clamping hole 334 matched with the clamping plate 342.

When circuit board body 1 and heating panel 2 need be fixed, the arm is with connecting hole 332 and the logical groove 335 on the fixed plate 33 to the latch block 341 on dead lever 34 and the dead lever 34 of commentaries on classics put down, make dead lever 34 stretch into fixed slot 331, rotate dead lever 34 again, when barb 343 on the cardboard 342 contacts with the joint hole 334 on the joint plate 333, barb 343 receives the extrusion and takes place deformation, when barb 343 passes joint hole 334, barb 343 pops open, make dead lever 34 fixed mutually with joint plate 333, the convenience of circuit board body 1 with the installation of heating panel 2 has been increased. When the circuit board body 1 and the heat dissipation plate 2 need to be disassembled, the barb 343 is pressed to separate the clamping plate 342 from the clamping plate 333, and then the fixing rod 34 is rotated to the through groove 335, so that the fixing plate 33 can be taken down to complete the disassembly of the circuit board body 1 and the heat dissipation plate 2.

The implementation principle of the second embodiment is as follows: when the circuit board body 1 and the heat dissipation plate 2 are mounted, the mechanical arm first rotates the fixing rod 34 to a designated position, then aligns the connecting hole 332 and the through slot 335 on the fixing plate 33 with the fixing rod 34 and the clamping block 341, so that the fixing rod 34 extends into the fixing slot 331 in the fixing plate 33, and then rotates the fixing rod 34 to clamp the clamping plate 342 and the clamping plate 333 on the clamping block 341, so that the substrate 12 is fixed with the heat dissipation plate 2, thereby completing the mounting of the circuit board body 1 and the heat dissipation plate 2.

When the circuit board body 1 and the heat dissipation plate 2 need to be disassembled, an operator presses the barb 343 on the clamping plate 342, the clamping plate 342 is separated from the clamping plate 333, and then the fixing rod 34 is rotated to the connecting hole 332, so that the fixing plate 33 can be taken down, and the circuit board body 1 and the heat dissipation plate 2 are disassembled. The mounting and dismounting of the circuit board body 1 and the heat dissipation plate 2 are facilitated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a brushless DC motor controller circuit board, includes circuit board body (1), its characterized in that: the improved LED lamp is characterized in that a plurality of Moss tubes (111) are connected to the long edge direction of the circuit board body (1), the pins of the Moss tubes (111) are fixed to the circuit board body (1) after being bent, a base plate (12) is connected to the bottom of the Moss tubes (111), a heat dissipation plate (2) is connected to the bottom of the base plate (12), and the base plate (12) is fixed to the heat dissipation plate (2) through a fixing piece (3).

2. The dc brushless motor controller circuit board of claim 1, wherein: the fixing piece (3) comprises a pressing strip (31), the pressing strip (31) is arranged above the Moss tube (111), a bolt (311) is arranged on the pressing strip (31), and the bolt (311) penetrates through the base plate (12) and then is in threaded connection with the heat dissipation plate (2).

3. The dc brushless motor controller circuit board of claim 2, wherein: an insulating pad (32) is arranged between the Moss tube (111) and the pressing strip (31).

4. The dc brushless motor controller circuit board of claim 1, wherein: a heat conduction layer (121) is arranged between the substrate (12) and the heat dissipation plate (2).

5. The dc brushless motor controller circuit board of claim 1, wherein: the fixing piece (3) comprises a fixing plate (33) and a fixing rod (34), the fixing plate (33) is arranged above the Moss tube (111), the fixing rod (34) is rotatably connected to the heat dissipation plate (2), a fixing groove (331) is formed in the fixing plate (33), a connecting hole (332) is formed in the groove bottom of the fixing groove (331), the top of the fixing rod (34) penetrates through the connecting hole (332) and extends into the fixing groove (331), a clamping block (341) is connected to the top of the fixing rod (34), a through groove (335) for the clamping block (341) to penetrate through is formed in the bottom of the fixing groove (331), the through groove (335) is communicated with the connecting hole (332), and the clamping block (341) extends into the fixing groove (331) from the through groove (335) and abuts against the groove bottom of the fixing groove (331).

6. The dc brushless motor controller circuit board of claim 5, wherein: the clamping plate (342) is arranged on the side wall of the clamping block (341), a barb (343) is arranged at one end, far away from the clamping block (341), of the clamping plate (342), a clamping plate (333) is arranged on the inner wall of the fixing groove (331), a clamping hole (334) is formed in the clamping plate (333), and the barb (343) penetrates through the clamping hole (334) and then is clamped with the clamping plate (333).

7. The dc brushless motor controller circuit board of claim 1, wherein: the circuit board is characterized in that a conductive plate (13) is arranged on the circuit board body (1), and the conductive plate (13) is arranged between the opposite Moss tubes (111) and connected with pins of the Moss tubes (111).

8. The dc brushless motor controller circuit board of claim 1, wherein: be equipped with on heating panel (2) and be used for the cover to establish casing (4) of circuit board body (1), be equipped with a plurality of annular line (41) on the one side that casing (4) and heating panel (2) contacted, it is a plurality of annular line (41) set up the outside at circuit board body (1).

9. The dc brushless motor controller circuit board of claim 8, wherein: and the heat dissipation plate (2) is provided with an annular groove (21) matched with the annular grains (41).