CN217591342U - Three-proofing structure of brushless controller - Google Patents

Abstract

The utility model discloses a brushless controller three proofings structure, including three proofings device, three proofings device is established in the internal surface left side of box for adsorb the inside humid gas of box and corrosive gas, three proofings device mainly includes drying plate and active carbon filter screen, the lower surface contact of drying plate has the bottom plate, the fixed surface of active carbon filter screen is connected with the box, the internal surface of active carbon filter screen is provided with numerous tiny holes. This brushless controller three proofings structure is provided with three proofings device, and the inside steam of getting into the box when this device operation can be adsorbed by the drying board to can prevent that control circuit board from weing or the surface from breeding mould, also make the inside whole humidity of box lower, simultaneously in the air current, the active carbon filter screen also can adsorb the partial corrosive gas that gets into the box inside, thereby prevents control circuit board surface corrosion.

Description

Three-proofing structure of brushless controller

Technical Field

The utility model relates to an electrical components technical field, in particular to brushless controller three proofings structure.

Background

The brushless motor controller is a control device which can be used for providing a commutation control signal of a closed loop for a three-phase brushless motor, and can also be used for protecting the motor to a certain extent by depending on a circuit of the brushless motor controller, and can effectively inhibit PWM spike noise signals.

In the prior art, an outer cover with a protection effect is often adopted to protect the brushless controller in an impact manner, but in actual use, the brushless controller releases corresponding heat when in use, so that a heat dissipation device inside the outer cover can also send a part of corrosive gas into a countless controller when performing air cooling heat dissipation on the interior of the heat dissipation device, and the heat dissipation device is influenced by environmental factors such as humidity, salt mist and mould, so that the service life of the controller is further shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a brushless controller three proofings structure can adsorb the inside humid gas of box and corrosive gas.

For realize above mesh, the utility model provides a brushless controller three proofings structure, including three proofings device, three proofings device is established in the internal surface left side of box for adsorb the inside humid gas of box and corrosive gas, three proofings device includes:

the lower surface of the drying plate is in contact with a bottom plate;

the outer surface of the activated carbon filter screen is fixedly connected with the box body, and the inner surface of the activated carbon filter screen is provided with a plurality of fine holes.

Preferably, the outer surface of the bottom plate is connected with the box body in a sliding mode, the upper surface of the bottom plate is fixedly connected with a telescopic rod, and the upper surface of the bottom plate is fixedly connected with a plurality of groups of positioning blocks.

Preferably, one end of the activated carbon filter screen, which is close to the box body, is contacted with a cleaning rod, and the inner surface of the cleaning rod is fixedly connected with a middle shaft of the impeller.

Preferably, the lower end of the inner surface of the box body is fixedly connected with a control circuit board through a bolt, the left surface of the box body is provided with an indicating device, the right surface of the box body is fixedly connected with a fan, the output shaft of the fan is fixedly connected with a middle shaft of an impeller, and the outer surface of the impeller is provided with a plurality of groups of inclined arc-shaped blades.

Preferably, indicating device includes the side protection casing, the fixed surface of side protection casing is connected with the box, the one side that the box was kept away from to the side protection casing is provided with the light-passing board.

Preferably, the surface sliding connection of side protection casing has the indicator board, the both sides fixedly connected with magnetic path of indicator board, the tip fixedly connected with bottom plate of indicator board, both ends colour is different about the one side that the indicator board is close to the light-passing board.

Compared with the prior art, the utility model discloses possess following beneficial effect:

(1) This brushless controller three proofings structure is provided with three proofings device, and the inside steam of getting into the box when this device operation can be adsorbed by the drying board to can prevent that control circuit board from weing or the surface from breeding mould, also make the inside humidity of box lower, simultaneously in the air current, the active carbon filter screen also can adsorb the partial corrosive gas that gets into the box inside, thereby prevents control circuit board surface corrosion.

(2) This brushless controller three proofings structure is provided with indicating device, absorbs more moisture at the drying plate, can make its dead weight increase, the magnetic path of indicator board side this moment can break away from and the side actuation between the protection casing to make the bottom plate drive the whole downstream of indicator board, can make the indicator board colour of light-passing board department observation change when the indicator board downstream, thereby make the surplus water-absorbing capacity that the assembly and maintenance personnel can observe the drying plate fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a cross section of the present invention;

fig. 2 is an enlarged schematic structural view at a position a of the present invention;

fig. 3 is a schematic structural diagram of a section of the indicating device of the present invention.

In the figure: 1. a box body; 2. a three-proofing device; 3. an indicating device; 4. a control circuit board; 5. an impeller; 6. a fan; 201. an activated carbon filter screen; 202. drying the plate; 203. a telescopic rod; 204. a cleaning rod; 205. positioning blocks; 206. a base plate; 301. an indicator panel; 302. a side shield; 303. a light-transmitting plate; 304. a magnetic block.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a brushless controller three proofings structure, including three proofings device 2, three proofings device 2 is established in the internal surface left side of box 1, a humid gas and corrosive gas to box 1 inside adsorb, the internal surface lower extreme of box 1 passes through bolt and 4 fixed connection of control circuit board, this control circuit board 4 and the protruding looks threaded connection of 1 bottom surface of box, consequently, when 1 bottom of box that makes is moist, control circuit board 4 can not direct contact moisture, the left surface of box 1 is provided with indicating device 3, the right surface and the fan 6 fixed connection of box 1 of telling, the output shaft department of fan 6 and impeller 5's axis fixed connection, impeller 5's surface is provided with the arc blade of multiunit slope.

The embodiment of the utility model provides an in, three proofings device 2 includes:

the lower surface of the drying plate 202 is in contact with the bottom plate 206, and the drying plate 202 is made of silica gel, so that the drying plate 202 can adsorb water vapor in air when in contact with the air;

activated carbon filter screen 201, activated carbon filter screen 201's surface and box 1 fixed connection, activated carbon filter screen 201's internal surface is provided with numerous tiny holes to make it fully adsorb the corrosive gas in the air.

Specifically, the outer surface of the bottom plate 206 is slidably connected with the box body 1, the upper surface of the bottom plate 206 is fixedly connected with the telescopic rod 203, the upper surface of the bottom plate 206 is fixedly connected with a plurality of groups of positioning blocks 205, the positioning blocks 205 can roughly fix the position of the drying plate 202, so that the contact surface between the drying plate 202 and air is prevented from being reduced due to shaking, one end, close to the box body 1, of the activated carbon filter screen 201 is in contact with the cleaning rod 204, and a plurality of fine bristles are arranged on the contact surface between the cleaning rod 204 and the activated carbon filter screen 201, so that dust on the surface of the activated carbon filter screen 201 can be brushed and swept when the activated carbon filter screen rotates, the inner surface of the cleaning rod 204 is fixedly connected with the middle shaft of the impeller 5, the three-proofing controller is provided with the device 2, when the device operates, water vapor entering the box body 1 can be adsorbed by the drying plate 202, so that the control circuit board 4 can be prevented from being wetted or having mold on the surface, the humidity inside the box body 1 is also low, and meanwhile, in the air flow, the activated carbon filter screen can also adsorb partial corrosive gas entering the box body 1 can be prevented from being rusted and the surface of the control circuit board 4 can be prevented from being corroded.

The embodiment of the utility model provides an in, indicating device 3 includes side protection casing 302, this side protection casing 302 can prevent that external corrosive gas from getting into inside box 1, the surface and the box 1 fixed connection of side protection casing 302, the one side that box 1 was kept away from to side protection casing 302 is provided with light-passing board 303, the surface and the indicator panel 301 sliding connection of side protection casing 302, the internal surface both ends of this side protection casing 302 are provided with bellied magnetic metal piece, consequently, can produce magnetic attraction PMKD 206 when the contact of magnetic path 304, the tip and the bottom plate 206 fixed connection of indicator panel 301, the both sides and the magnetic path 304 fixed connection of indicator panel 301, both ends colour are different about the one side that indicator panel 301 is close to light-passing board 303, consequently, can judge the surplus water absorption performance of dry panel 202 through the colour that indicator panel 301 shows in light-passing board 303 department, this brushless controller three proofings structure is provided with indicating device 3, when dry panel 202 absorbs more moisture, can make its dead weight increase, the magnetic path 304 of indicator panel 301 side can break away from the attraction between 302, thereby make the bottom plate 206 drive the overall motion of light-passing board 301, the observation personnel's colour can make the indicator panel 301 take place the observation ability to change fast observation.

In operation (or during the use), fan 6 needs to be opened, fan 6 can drive impeller 5 to produce the rotation this moment, thereby carry out the forced air cooling heat dissipation for the inside control circuit board 4 of box 1, thereby prevent that control circuit board 4 from being in the high temperature state for a long time, and can drive cleaning rod 204 to brush the dust on active carbon filter screen 201 surface through impeller 5's axis when fan 6 operates, thereby ensure the drying of this device and the absorptive capacity to corrosive gas, the steam that gets into the inside of box 1 simultaneously can be adsorbed by dry board 202, thereby can prevent control circuit board 4 from being affected with damp or the surface from breeding the mould, also make the inside humidity of box 1 lower, simultaneously in the air current, active carbon filter screen 201 also can adsorb the partial corrosive gas that gets into the inside of box 1, thereby prevent control circuit board 4 surface corrosion, simultaneously when dry board 202 absorbs more water, can make its dead weight increase, the magnetic path 304 of indicator board 301 side can break away from the actuation with between the side protection casing 302 at this moment, thereby make bottom plate 206 drive the whole downward motion of 301, when the downward motion of light-passing board 301 department observes the indicator board 303, thereby the indicator board can make the surplus indicator board that water absorption of indicator board 301 department can change takes place to observe the rapid observation of the indicator board 202.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a brushless controller three proofings structure, includes three proofings device (2), its characterized in that: three proofings device (2) are established to the internal surface left side of box (1) for adsorb the inside humid gas of box (1) and corrosive gas, three proofings device (2) include:

a drying plate (202), wherein the lower surface of the drying plate (202) is contacted with a bottom plate (206);

the filter screen of the activated carbon filter comprises an activated carbon filter screen (201), wherein a box body (1) is fixedly connected to the outer surface of the activated carbon filter screen (201), and numerous fine holes are formed in the inner surface of the activated carbon filter screen (201).

2. The brushless controller tri-proof structure according to claim 1, wherein: the outer surface sliding connection of bottom plate (206) has box (1), the last fixed surface of bottom plate (206) is connected with telescopic link (203), the last fixed surface of bottom plate (206) is connected with multiunit locating piece (205).

3. The brushless controller tri-proof structure according to claim 2, wherein: one end of the activated carbon filter screen (201) close to the box body (1) is contacted with a cleaning rod (204), and the inner surface of the cleaning rod (204) is fixedly connected with a middle shaft of the impeller (5).

4. The brushless controller tri-proof structure according to claim 1, wherein: the utility model discloses a fan, including box (1), bolt fixedly connected with control circuit board (4), the left surface of box (1) is provided with indicating device (3), and the right fixed surface of the box of telling (1) is connected with fan (6), the axis of the output shaft fixedly connected with impeller (5) of fan (6), the surface of impeller (5) is provided with the arc blade of multiunit slope.

5. The brushless controller three-proofing structure according to claim 4, wherein: indicating device (3) include side protection casing (302), the surface fixed connection of side protection casing (302) has box (1), the one side that box (1) were kept away from in side protection casing (302) is provided with light-passing board (303).

6. The brushless controller tri-proof structure according to claim 5, wherein: the surface sliding connection of side protection casing (302) has indicator board (301), the both sides fixedly connected with magnetic path (304) of indicator board (301), tip fixedly connected with bottom plate (206) of indicator board (301), both ends colour is different about the one side that indicator board (301) are close to light-passing board (303).

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