CN210093806U

CN210093806U - Brushless motor controller

Info

Publication number: CN210093806U
Application number: CN201920282747.9U
Authority: CN
Inventors: 金皓
Original assignee: Shanghai Bo Quan Electronic Technology Co Ltd
Current assignee: Shanghai Bo Quan Electronic Technology Co Ltd
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2020-02-18
Anticipated expiration: 2029-03-06

Abstract

The utility model relates to a brushless motor controller, which comprises a power driving board, a device body, a control board and a power board, wherein the inside of the device body is horizontally provided with a first heating panel and a second heating panel, the middle positions of the tops of the first heating panel and the second heating panel are respectively provided with a U-shaped cooling pipe, and cooling liquid is injected into the U-shaped cooling pipes, the tops of the first heating panel and the second heating panel at the two sides of the U-shaped cooling pipes are respectively provided with a mounting bar, and the mounting bars are respectively and evenly provided with a mounting hole, the top of the first heating panel is provided with the power driving board through the mutual matching of bolts and the mounting holes, the top of the second heating panel is provided with the control board through the mutual matching of bolts and the mounting holes, the inner side wall of the device body is wrapped with metal heat conducting fins, and the power board is arranged on the inner sides of the metal heat conducting fins at the, the utility model discloses the radiating rate is fast, and the radiating effect is good, and is dampproofing.

Description

Brushless motor controller

Technical Field

The utility model relates to a controlgear technical field specifically is a brushless motor controller.

Background

With the wide application of brushless motor in electric tool, brushless motor controller's position setting is also being regarded as important by people, and at present, brushless motor controller mainly comprises power strip, control panel and sets up IGBT components and parts, main chip, capacitance components and parts and inductance components and parts on the control panel, and its spare part is more and the volume is great.

But inside electronic component all is in close contact with each other in current brushless motor controller to produce a large amount of heats in the use, because close contact between the electronic component, thereby make the unable quick giveaway of heat, cause electronic component because of the radiating effect is poor easily, thereby cause the damage of its inside part, influence life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brushless motor controller to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a brushless motor controller comprises a power driving board, a device body, a control board and a power board, wherein a first heat dissipation board and a second heat dissipation board are horizontally arranged in the device body, U-shaped cooling pipes are arranged in the middle positions of the tops of the first heat dissipation board and the second heat dissipation board, cooling liquid is injected into the U-shaped cooling pipes, mounting bars are arranged at the tops of the first heat dissipation board and the second heat dissipation board on two sides of each U-shaped cooling pipe, mounting holes are uniformly formed in the mounting bars, the power driving board is installed at the top of the first heat dissipation board through mutual matching of bolts and the mounting holes, the control board is installed at the top of the second heat dissipation board through mutual matching of bolts and the mounting holes, metal heat conduction sheets are wrapped on the inner side wall of the device body, and the power board is installed on the inner side of the metal heat conduction sheets at the bottom of the second heat dissipation board through bolts, and the power panel and the power drive board are connected with each other through a wire, the first cover plate and the rear cover plate are sequentially arranged on two sides of the device body through bolts respectively, an equipment wire outlet groove and a power wire outlet groove are transversely and horizontally arranged in the middle of the first cover plate, an equipment connecting wire and a power connecting wire are respectively transmitted into the equipment wire outlet groove and the power wire outlet groove, and one ends of the equipment connecting wire and the power connecting wire extend into the device body and are respectively connected with the power drive board and the power panel.

Preferably, the outer side of the metal heat conducting sheet is uniformly provided with heat radiating fins, and one side of each heat radiating fin extends to the outer side of the device body.

Preferably, the top of first heating panel and second heating panel is provided with the U type groove that matches each other with U type cooling tube to set up the degree of depth in U type groove to half of U type cooling tube cross section, and the height of mounting bar equals with U type cooling tube cross section with the sum of U type groove degree of depth.

Preferably, the first heat dissipation plate and the second heat dissipation plate are made of copper with good heat conduction performance, and the first heat dissipation plate and the second heat dissipation plate are welded with the metal heat conduction sheet.

Preferably, the bottom of each of the first heat dissipation plate and the second heat dissipation plate is bonded with a moisture absorption sponge, and the bottom of the moisture absorption sponge is bonded with moisture absorption cotton.

Compared with the prior art, the beneficial effects of the utility model are that:

first, the brushless motor controller of the utility model, through setting up the first heating panel and the second heating panel horizontally in the inside of the body of the device, and the intermediate position of the top of the first heating panel and the second heating panel all sets up the U-shaped cooling tube, and pour the coolant liquid in the inside of the U-shaped cooling tube, and install the power drive plate through the mutual cooperation of bolt and mounting hole in the top of the first heating panel, and install the control panel through the mutual cooperation of bolt and mounting hole in the top of the second heating panel, and coat the metal conducting strip on the inside wall of the body of the device, and set up the top of the first heating panel and the second heating panel with the U-shaped cooling tube mutually matched U-shaped groove, and set up the depth of the U-shaped groove half of the U-shaped cooling tube cross section, and the height of the mounting bar equals with the U-shaped groove depth sum of the U-shaped cooling tube cross section, on the one hand, facilitate the layered installation of the, thereby increase the clearance between the electronic component, improve radiating speed, the in-process of using simultaneously, power drive board and control panel produce certain clearance with the top of first heating panel and second heating panel, the radiating effect of further improvement, and the side of U type cooling tube contacts with the ground of power drive board and control panel simultaneously, and the inside of U type cooling tube sets up the coolant liquid to be convenient for thermal conduction, improve radiating efficiency.

Two, the utility model discloses a brushless motor controller, the sponge that absorbs moisture through all bonding in the bottom of first heating panel and second heating panel, and it is cotton to bond the moisture absorption in the bottom of the sponge that absorbs moisture, under long-time humid weather, cause the inside moisture overweight of device body easily, thereby influence the life of device body, the moisture that can absorb the device body inside through the moisture absorption cotton of first heating panel and second heating panel bottom, storing the absorbent moisture of moisture absorption cotton through the moisture absorption sponge, improve the inside electronic component's of device body life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the heat dissipating plate of the present invention;

fig. 3 is a schematic diagram of a side view structure of the heat dissipation plate of the present invention.

In the figure: 1-equipment connecting wire, 2-equipment outlet groove, 3-first cover plate, 4-power driving plate, 5-first heat dissipation plate, 6-rear cover plate, 7-device body, 8-metal heat conduction sheet, 9-second heat dissipation plate, 10-heat dissipation fin, 11-control plate, 12-power plate, 13-power outlet groove, 14-power connecting wire, 15-U-shaped cooling pipe, 16-mounting strip, 17-mounting hole, 18-moisture absorption sponge and 19-moisture absorption cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, a brushless motor controller comprises a power driving board 4, a device body 7, a control board 11 and a power board 12, wherein a first heat dissipation plate 5 and a second heat dissipation plate 9 are horizontally arranged inside the device body 7, a U-shaped cooling pipe 15 is arranged at the middle position of the top of each of the first heat dissipation plate 5 and the second heat dissipation plate 9, cooling liquid is filled inside the U-shaped cooling pipe 15, mounting bars 16 are arranged at the top of each of the first heat dissipation plate 5 and the second heat dissipation plate 9 at the two sides of the U-shaped cooling pipe 15, mounting holes 17 are uniformly arranged on the mounting bars 16, the power driving board 4 is arranged at the top of the first heat dissipation plate 5 through the mutual matching of bolts and the mounting holes 17, the control board 11 is arranged at the top of the second heat dissipation plate 9 through the mutual matching of the bolts and the mounting holes 17, a metal heat conduction sheet 8 is coated on the inner side wall, a power panel 12 is mounted on the inner side of a metal heat conducting strip 8 at the bottom of the second heat dissipation plate 9 through a bolt, the power panel 12 is connected with the power driving plate 4 through a conducting wire, a first cover plate 3 and a second cover plate 6 are sequentially mounted on two sides of the device body 7 through bolts, an equipment wire outlet groove 2 and a power wire outlet groove 13 are horizontally arranged in the middle of the first cover plate 3, the equipment wire outlet groove 2 and the power wire outlet groove 13 are respectively and internally introduced into an equipment connecting wire 1 and a power connecting wire 14, and one ends of the equipment connecting wire 1 and the power connecting wire 14 extend into the device body 7 and are respectively connected with the power driving plate 4 and the power panel 12.

The utility model discloses in, the outside of metal conducting strip 8 evenly is provided with radiating fin 10, and one side of radiating fin 10 extends to the outside of device body 7.

The utility model discloses in, the top of first heating panel 5 and second heating panel 9 is provided with the U type groove of matcing each other with U type cooling tube 15 to set up the degree of depth in U type groove into half of U type cooling tube 15 cross section, and the height of mounting bar 16 and U type groove degree of depth sum and U type cooling tube 15 cross section equal.

The utility model discloses in, first heating panel 5 and second heating panel 9 adopt the better copper element of thermal conductivity to constitute, and first heating panel 5 and second heating panel 9 and the mutual welding of metal conducting strip 8.

In the present invention, the moisture absorbing sponge 18 is bonded to the bottom of the first heat dissipating plate 5 and the second heat dissipating plate 9, and the moisture absorbing cotton 19 is bonded to the bottom of the moisture absorbing sponge 18.

The utility model discloses a theory of operation does: firstly, when the controller is used, the device body 7 is inserted into bolt holes at the bottoms of the first cover plate 3 and the rear cover plate 6 through bolts, so that the device body 7 is installed at a specified position and is connected with a brushless motor through the equipment connecting wire 1, and is connected with a storage battery through the power connecting wire 14, during the power-on use of the power driving plate 4, the control panel 11 and the power panel 12 in the device body 7, a large amount of heat is easily generated, meanwhile, the electronic elements are mutually closely contacted, so that the heat cannot be rapidly discharged, the damage of the electronic elements is easily caused, so that the power driving plate 4 can be mutually matched with the mounting holes 17 on the mounting strip 16 at the top of the first heat dissipation plate 5 through the bolts so as to fixedly install the power driving plate 4, and meanwhile, the control panel 11 can be mutually matched with the mounting holes 17 on the mounting strip 16 at the top of the second heat dissipation plate 9 through the bolts, then the power panel 12 is fixed on the inner side wall of the metal heat conducting strip 8 through bolts, thereby the electronic elements in the device body 7 are installed in a layered mode, thereby the gap between the electronic elements is increased, the heat dissipation speed is improved, meanwhile, in the using process, the cross section of the U-shaped cooling tube 15 is equal to the sum of the thickness of the installation strip 16 and the depth of the groove in the middle position of the first heat dissipation plate 5, therefore, in the using process of the power driving plate 4 and the control panel 11, a certain gap is generated between the power driving plate 4 and the control panel 11 and the top of the first heat dissipation plate 5 and the top of the second heat dissipation plate 9, thereby, in the using process, the heat dissipation effect is further improved, meanwhile, the side surface of the U-shaped cooling tube 15 is in contact with the ground of the power driving plate 4 and the ground of the control panel 11, meanwhile, the cooling liquid, the efficiency of heat dissipation is improved, then the metal heat conducting strip 8 on the inner side wall of the device body 7 is welded with the first heat dissipation plate 5 and the second heat dissipation plate 9, the power panel 12 is fixedly connected with the metal heat conducting strip 8, thereby quickly absorbing heat to the metal heat conducting strip 8, finally leading out the heat absorbed by the metal heat conducting strip 8 through the uniform heat radiating fins 0 1 on the outer side of the device body 7, improving the heat radiating efficiency, meanwhile, in long-term humid weather, the moisture inside the device body 7 is easily overweight, thereby affecting the service life of the device body 7, the moisture in the device body 7 can be absorbed by the moisture absorption cotton 19 at the bottom of the first heat dissipation plate 5 and the second heat dissipation plate 9, the moisture absorbed by the absorbent cotton 19 is stored by the absorbent sponge 18, thereby prolonging the service life of the electronic components inside the device body 7.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a brushless motor controller, includes power drive board (4), device body (7), control panel (11) and power strip (12), its characterized in that: the device is characterized in that a first heat dissipation plate (5) and a second heat dissipation plate (9) are horizontally and transversely arranged in the device body (7), U-shaped cooling pipes (15) are arranged at the middle positions of the tops of the first heat dissipation plate (5) and the second heat dissipation plate (9), cooling liquid is injected into the U-shaped cooling pipes (15), mounting bars (16) are arranged at the tops of the first heat dissipation plate (5) and the second heat dissipation plate (9) on two sides of each U-shaped cooling pipe (15), mounting holes (17) are uniformly formed in the mounting bars (16), a power driving plate (4) is mounted at the top of the first heat dissipation plate (5) through mutual matching of bolts and the mounting holes (17), a control plate (11) is mounted at the top of the second heat dissipation plate (9) through mutual matching of the bolts and the mounting holes (17), and a metal sheet (8) wraps the inner side wall of the device body (7), and install power strip (12) through the bolt in metal conducting strip (8) inboard of second heating panel (9) bottom, and power strip (12) and power drive plate (4) pass through wire interconnect, install first apron (3) and back apron (6) through the bolt respectively in proper order in the both sides of device body (7), and the horizontal level of intermediate position department of first apron (3) is provided with equipment outlet groove (2) and power outlet groove (13) to spread into equipment connecting wire (1) and power connecting wire (14) respectively in the inside of equipment outlet groove (2) and power outlet groove (13), and the one end of equipment connecting wire (1) and power connecting wire (14) extends to the inside of device body (7) and is connected with power drive plate (4) and power strip (12) respectively.

2. A brushless motor controller according to claim 1, wherein: radiating fins (10) are uniformly arranged on the outer side of the metal heat conducting sheet (8), and one side of each radiating fin (10) extends to the outer side of the device body (7).

3. A brushless motor controller according to claim 1, wherein: the top of first heating panel (5) and second heating panel (9) is provided with the U type groove that matches each other with U type cooling tube (15) to set up the degree of depth in U type groove to half of U type cooling tube (15) cross section, and the height of mounting bar (16) equals with U type cooling tube (15) cross section with the sum of U type groove degree of depth.

4. A brushless motor controller according to claim 1, wherein: the first heat dissipation plate (5) and the second heat dissipation plate (9) are made of copper elements with good heat conduction performance, and the first heat dissipation plate (5) and the second heat dissipation plate (9) are welded with the metal heat conduction sheets (8).

5. A brushless motor controller according to claim 1, wherein: the bottoms of the first heat dissipation plate (5) and the second heat dissipation plate (9) are both adhered with moisture absorption sponges (18), and moisture absorption cotton (19) is adhered to the bottoms of the moisture absorption sponges (18).