CN220874965U - Brushless motor control board with shielding function - Google Patents
Brushless motor control board with shielding function Download PDFInfo
- Publication number
- CN220874965U CN220874965U CN202322367688.4U CN202322367688U CN220874965U CN 220874965 U CN220874965 U CN 220874965U CN 202322367688 U CN202322367688 U CN 202322367688U CN 220874965 U CN220874965 U CN 220874965U
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- China
- Prior art keywords
- shielding
- protection box
- circuit board
- brushless motor
- shielding net
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- 230000004224 protection Effects 0.000 claims abstract description 61
- 230000000149 penetrating effect Effects 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000009979 protective mechanism Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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- Brushless Motors (AREA)
Abstract
The utility model discloses a brushless motor control board with shielding function, comprising: the circuit board comprises a circuit board body, wherein the top of the circuit board body is fixedly connected with a plurality of connecting wires, and the bottom of the circuit board body is fixedly connected with a bottom plate; the upper surface of bottom plate is provided with protection machanism, and protection machanism's bottom is provided with fixed establishment, and fixed establishment is used for protection machanism and bottom plate's fixed, and protection machanism's inner chamber is provided with the shielding film. According to the utility model, through the arrangement mode of the matching of the protection mechanism and the fixing mechanism, the first shielding net, the second shielding net and the shielding film are used for stably shielding the circuit board body in the inner cavity of the first protection box and the second protection box, so that the circuit board body is not influenced by other signals, the shielding effect is improved, and the stable use of the control board is facilitated.
Description
Technical Field
The utility model relates to the technical field of brushless motor control boards, in particular to a brushless motor control board with a shielding function.
Background
The development time of the brushless motor in China is short, but the brushless motor is rapidly developed along with the increasing maturity and perfection of the technology, and the brushless motor is widely applied to various fields such as aeromodelling, medical equipment, household appliances, electric vehicles and the like, so that the requirements on various aspects of the brushless motor are higher and higher.
When the brushless motor is used, the signal influence of electromagnetic fields in the external environment, permanent magnets in the inner cavity of the brushless motor and the like on a control panel of the brushless motor needs to be considered, in the existing brushless motor controller, signal shielding is generally carried out in a jumper wire mode, although the shielding effect to a certain extent can be carried out on the external environment, the shielding effect is not high, and the use stability of the control panel is affected.
Disclosure of utility model
The utility model aims to provide a brushless motor control board with a shielding function, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a brushless motor control board with shielding function, comprising:
The circuit board comprises a circuit board body, wherein the top of the circuit board body is fixedly connected with a plurality of connecting wires, and the bottom of the circuit board body is fixedly connected with a bottom plate;
The upper surface of bottom plate is provided with protection machanism, protection machanism's bottom is provided with fixed establishment, fixed establishment is used for the fixed of protection machanism and bottom plate, protection machanism's inner chamber is provided with the shielding film.
Preferably, the protection mechanism comprises a first protection box, a second protection box, an electric fan, a plurality of ventilation holes, a plurality of rubber sleeves, a first shielding net and a second shielding net, wherein the second protection box is fixed on the top end of the first protection box, the electric fan is fixed on the inner wall of the second protection box, the ventilation holes are formed in the outer wall of the first protection box in an annular array mode, the rubber sleeves are equidistantly embedded in the top of the second protection box, the second shielding net is arranged below the first shielding net, and the shielding film is fixed on the top of the inner wall of the first protection box and the inner wall of the second protection box.
Preferably, the first protection box is sleeved on the outer wall of the circuit board body, and the first shielding net is fixedly connected with the inner cavities of the plurality of ventilation holes in a penetrating mode.
Preferably, the second shielding net is fixedly embedded on the upper surface of the circuit board body, the second shielding net is connected with the bottom of the first protection box in a sliding penetrating way, and the second shielding net is attached to the bottom of the first shielding net.
Preferably, the fixing mechanism comprises a fixing ring, a plurality of connecting grooves, a plurality of compression springs, a plurality of ejector rods, a plurality of fixing plates and a plurality of screws, wherein the fixing ring is fixed at the bottom end of the first protection box, the fixing ring is fixedly embedded at the bottom of the fixing ring, the ejector rods are in sliding connection with the inner cavities of the connecting grooves, the compression springs are fixed between the ejector rods and the fixing plates, and the screws are in sliding penetrating connection with the top of the fixing ring in an annular array.
Preferably, the plurality of connecting grooves are arranged in the middle of the fixing ring in an annular array, and the plurality of ejector rods are connected with the outer wall of the second shielding net in a sliding penetrating manner in an annular array.
Preferably, the second shielding net is connected with the bottom of the fixed ring in a sliding penetrating way, and the screw is connected with the upper surface of the bottom plate in a threaded penetrating way.
Preferably, the fixing plate is fixed on the inner wall of the connecting groove, and the top of the screw is attached to one end of the ejector rod.
The utility model has the technical effects and advantages that:
According to the utility model, through the arrangement mode of the matching of the protection mechanism and the fixing mechanism, the first shielding net, the second shielding net and the shielding film are used for stably shielding the circuit board body in the inner cavity of the first protection box and the second protection box, so that the circuit board body is not influenced by other signals, the shielding effect is improved, and the stable use of the control board is facilitated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall front cross-sectional structure of the present utility model.
Fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.
In the figure: 1. a circuit board body; 2. a connecting wire; 3. a bottom plate; 4. a protective mechanism; 41. a first protective case; 42. a second protective case; 43. an electric fan; 44. a vent hole; 45. a rubber sleeve; 46. a first shielding net; 47. a second shielding net; 5. a fixing mechanism; 51. a fixing ring; 52. a fixing ring; 53. a connecting groove; 54. a compression spring; 55. a push rod; 56. a fixing plate; 57. a screw; 6. and a shielding film.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model provides a brushless motor control board with shielding function as shown in fig. 1-3, comprising:
The circuit board comprises a circuit board body 1, wherein the top of the circuit board body is fixedly connected with a plurality of connecting wires 2, so that the circuit board body 1 can be in control connection with other parts of a brushless motor through the connecting wires 2, and the bottom of the circuit board body 1 is fixedly connected with a bottom plate 3;
The upper surface of the bottom plate 3 is provided with a protection mechanism 4, the protection mechanism 4 comprises a first protection box 41, a second protection box 42, an electric fan 43, a plurality of ventilation holes 44, a plurality of rubber sleeves 45, a first shielding net 46 and a second shielding net 47, the first protection box 41 is sleeved on the outer wall of the circuit board body 1, so that the circuit board body 1 is stabilized between the first protection box 41 and the bottom plate 3, the second protection box 42 is fixed at the top end of the first protection box 41, the electric fan 43 is fixed on the inner wall of the second protection box 42, and the electric fan 43 can conveniently conduct stable heat dissipation on the circuit board body 1 in the inner cavity of the first protection box 41;
The plurality of vent holes 44 are formed in the outer wall of the first protection box 41 in a ring-shaped array, so that the electric elements on the circuit board body 1 can stably dissipate heat, the plurality of rubber sleeves 45 are equidistantly embedded at the top of the second protection box 42, the connecting wire 2 is connected with the inner cavity of the rubber sleeve 45 in a sliding and penetrating way, and the connecting wire 2 can be conveniently and stably used, so that the circuit board body 1 can be stably used;
The first shielding net 46 is fixedly connected with the inner cavities of the plurality of ventilation holes 44 in a penetrating way, the first shielding net 46 is fixedly connected with the bottom of the first protection box 41 in a penetrating way, the second shielding net 47 is fixedly embedded on the upper surface of the circuit board body 1, the second shielding net 47 is slidably connected with the bottom of the first protection box 41 in a penetrating way, the second shielding net 47 can seal the inner cavities of the plurality of ventilation holes 44 conveniently, the first shielding net 46 can shield signals in the inner cavities of the ventilation holes 44 conveniently, the second shielding net 47 is attached to the bottom end of the first shielding net 46, the second shielding net 47 is arranged below the first shielding net 46, the shielding film 6 is arranged in the inner cavity of the protection mechanism 4 and is fixed on the top of the inner wall of the first protection box 41 and the inner wall of the second protection box 42, the circuit board body 1 is not influenced by other signals through the first shielding net 46, the second shielding net 47 and the shielding film 6, the circuit board body 1 can be stably used conveniently,
The bottom of the protection mechanism 4 is provided with a fixing mechanism 5, the fixing mechanism 5 is used for fixing the protection mechanism 4 and the bottom plate 3, the fixing mechanism 5 comprises a fixing ring 51, a fixing ring 52, a plurality of connecting grooves 53, a plurality of compression springs 54, a plurality of ejector rods 55, a plurality of fixing plates 56 and a plurality of screws 57, the fixing ring 51 is fixed at the bottom end of the first protection box 41, the fixing ring 52 is fixedly embedded at the bottom of the fixing ring 51, the second shielding net 47 is in sliding and inserting connection with the bottom of the fixing ring 52, the plurality of connecting grooves 53 are arranged in the middle of the fixing ring 51 in an annular array, the ejector rods 55 are in sliding and inserting connection with the inner cavity of the connecting grooves 53, the plurality of ejector rods 55 are in an annular array and are in sliding and inserting connection with the outer wall of the second shielding net 47, the fixing plates 56 are fixed on the inner wall of the connecting grooves 53, the compression springs 54 are fixed between the ejector rods 55 and the fixing plates 56, the ejector rods 55 can stably slide in the inner cavity of the connecting grooves 53 through the elasticity of the compression springs 54, the ejector rods 55 can stably fix the second shielding net 47 through the ejector rods by the screws 57, the top movement of the ejector rods 55 can stably fix the second shielding net 47, the top end of the second shielding net is stably and the first shielding net 46, the top end of the first shielding net is stably attached to the bottom of the first shielding net 46, and the circuit 1 is stably attached to the bottom of the main body, and the effect is improved;
the plurality of screws 57 are in annular array and are connected in a sliding penetrating mode at the top of the fixed ring 51, the screws 57 are connected with the upper surface of the bottom plate 3 in a threaded penetrating mode, the tops of the screws 57 are attached to one end of the ejector rod 55, the first protection box 41 is conveniently stabilized on the upper surface of the bottom plate 3 through rotation of the screws 57, and the circuit board body 1 can be conveniently protected stably.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. A brushless motor control board with shielding function, comprising:
The circuit board comprises a circuit board body (1), wherein the top of the circuit board body is fixedly connected with a plurality of connecting wires (2), and the bottom of the circuit board body (1) is fixedly connected with a bottom plate (3);
The method is characterized in that: the novel protective device is characterized in that a protective mechanism (4) is arranged on the upper surface of the bottom plate (3), a fixing mechanism (5) is arranged at the bottom of the protective mechanism (4), the fixing mechanism (5) is used for fixing the protective mechanism (4) and the bottom plate (3), and a shielding film (6) is arranged in an inner cavity of the protective mechanism (4).
2. The brushless motor control board with shielding function according to claim 1, wherein the protection mechanism (4) comprises a first protection box (41), a second protection box (42), an electric fan (43), a plurality of ventilation holes (44), a plurality of rubber sleeves (45), a first shielding net (46) and a second shielding net (47), the second protection box (42) is fixed at the top end of the first protection box (41), the electric fan (43) is fixed at the inner wall of the second protection box (42), the ventilation holes (44) are formed in the outer wall of the first protection box (41) in an annular array, the rubber sleeves (45) are equidistantly embedded at the top of the second protection box (42), the second shielding net (47) is arranged below the first shielding net (46), and the shielding film (6) is fixed at the top of the inner wall of the first protection box (41) and the inner wall of the second protection box (42).
3. The brushless motor control board with the shielding function according to claim 2, wherein the first protection box (41) is sleeved on the outer wall of the circuit board body (1), and the first shielding net (46) is fixedly connected with the inner cavities of the plurality of ventilation holes (44) in a penetrating manner.
4. The brushless motor control board with the shielding function according to claim 2, wherein the second shielding net (47) is fixedly embedded on the upper surface of the circuit board body (1), the second shielding net (47) is connected with the bottom of the first protection box (41) in a sliding penetrating way, and the second shielding net (47) is attached to the bottom end of the first shielding net (46).
5. The brushless motor control board with shielding function according to claim 2, wherein the fixing mechanism (5) comprises a fixing ring (51), a fixing ring (52), a plurality of connecting grooves (53), a plurality of compression springs (54), a plurality of ejector rods (55), a plurality of fixing plates (56) and a plurality of screws (57), the fixing ring (51) is fixed at the bottom end of the first protection box (41), the fixing ring (52) is fixedly embedded at the bottom of the fixing ring (51), the ejector rods (55) are slidably connected with the inner cavity of the connecting grooves (53), the compression springs (54) are fixed between the ejector rods (55) and the fixing plates (56), and the screws (57) are annularly arranged at the top of the fixing ring (51) in a sliding penetrating connection.
6. The brushless motor control board with shielding function according to claim 5, wherein a plurality of the connecting grooves (53) are arranged in a ring-shaped array at the middle part of the fixed ring (51), and a plurality of the ejector rods (55) are connected with the outer wall of the second shielding net (47) in a sliding penetrating manner in a ring-shaped array.
7. A brushless motor control board with shielding function according to claim 5, characterized in that the second shielding net (47) is slidably inserted into the bottom of the fixing ring (52), and the screw (57) is threaded into the upper surface of the base plate (3).
8. The brushless motor control board with shielding function according to claim 5, wherein the fixing plate (56) is fixed on the inner wall of the connecting groove (53), and the top of the screw (57) is attached to one end of the ejector rod (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322367688.4U CN220874965U (en) | 2023-09-01 | 2023-09-01 | Brushless motor control board with shielding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322367688.4U CN220874965U (en) | 2023-09-01 | 2023-09-01 | Brushless motor control board with shielding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220874965U true CN220874965U (en) | 2024-04-30 |
Family
ID=90807648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322367688.4U Active CN220874965U (en) | 2023-09-01 | 2023-09-01 | Brushless motor control board with shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220874965U (en) |
-
2023
- 2023-09-01 CN CN202322367688.4U patent/CN220874965U/en active Active
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