阅读说明：本技术 一种防尘通风性能好的电力柜门 (Electric power cabinet door that dustproof ventilation performance is good ) 是由 陈荣 于 2021-01-05 设计创作，主要内容包括：本发明公开了一种防尘通风性能好的电力柜门,包括柜门,所述柜门内壁开设有通风孔,所述通风孔内固定连接有金属滤网,所述柜门在通风孔的顶壁位置开设有凹槽,所述凹槽内通过第一导电弹簧弹性连接有窗体,所述柜门的侧壁开设有弧形槽,所述弧形槽内嵌设有湿敏电阻,所述柜门的内壁开设有空腔,所述空腔内固定连接有Y形座,所述Y形座的底部焊接固定有共振棒。优点在于：通过设置磁性接地板、金属滤网和玻璃套筒等结构,共振棒带动丝绸环在玻璃套筒表面进行摩擦,使金属滤网远离玻璃套筒的一侧带正电,电磁铁推动磁性接地板和金属滤网相抵后脱离,使金属滤网总体带负电,带负电的金属滤网通过静电引力吸附随风体进入柜体内部的灰尘。(The invention discloses an electric cabinet door with good dustproof and ventilation performance, which comprises a cabinet door, wherein the inner wall of the cabinet door is provided with a ventilation hole, a metal filter screen is fixedly connected in the ventilation hole, the cabinet door is provided with a groove at the top wall of the ventilation hole, the groove is elastically connected with a window body through a first conductive spring, the side wall of the cabinet door is provided with an arc-shaped groove, a humidity-sensitive resistor is embedded in the arc-shaped groove, the inner wall of the cabinet door is provided with a cavity, a Y-shaped seat is fixedly connected in the cavity, and a resonance rod is fixedly welded at the bottom of the Y-shaped. Has the advantages that: through setting up structures such as magnetism ground plate, metal filter screen and glass sleeve, the resonance stick drives the silk ring and rubs on the glass sleeve surface, makes the metal filter screen keep away from one side of glass sleeve and positively charges, and the electro-magnet promotes and breaks away from after magnetism ground plate and metal filter screen offset, makes the metal filter screen of total negatively charged, and the metal filter screen of negatively charged adsorbs the dust that gets into the cabinet body along with the body of wind through electrostatic attraction.)

1. The utility model provides an electric power cabinet door that dustproof ventilation performance is good, includes cabinet door (1), its characterized in that, ventilation hole (2) have been seted up to cabinet door (1) inner wall, fixedly connected with metal screen (26) in ventilation hole (2), cabinet door (1) is seted up recess (7) in the roof position in ventilation hole (2), there is window form (6) through first conductive spring (9) elastic connection in recess (7), arc wall (18) have been seted up to the lateral wall of cabinet door (1), the embedded humidity-sensitive resistance (19) that are equipped with of arc wall (18), cavity (20) have been seted up to the inner wall of cabinet door (1), fixedly connected with Y shape seat (21) in cavity (20), the bottom welded fastening of Y shape seat (21) has two resonance stick (22), the lateral wall fixed connection elasticity gasbag (23) of resonance stick (22), one end fixedly connected with silk ring (24) of resonance stick (22), the pot head of resonance stick (22) is equipped with glass sleeve (25), smooth chamber (13) have been seted up to the upper portion inside of cabinet door (1), the fixed intercommunication of giving vent to anger of smooth chamber (13) through hose and elastic air bag (23), sliding connection has the power supply part in smooth chamber (13), ventilation hole (2) bottom sliding connection has the sliding part that makes the electric charge change on metal filter screen (26).

2. The electric cabinet door with good dustproof and ventilation performance according to claim 1, wherein the power supply part comprises a sliding block (15) which is hermetically and slidably connected in a sliding cavity (13), the sliding block (15) is elastically connected to the side wall of the sliding cavity (13) through a spring (16), a pressure release valve (17) is arranged in the sliding cavity (13), and a piezoelectric ceramic (14) is arranged at the top of the sliding cavity (13).

3. The power cabinet door with good dustproof and ventilation performance according to claim 2, wherein the sliding component comprises a sliding groove (3) formed at the bottom of the ventilation hole (2), a magnetic grounding plate (4) is elastically connected in the sliding groove (3) through a telescopic spring, an electromagnet (5) is arranged on the inner wall of the bottom of the cabinet door (1), and the electromagnet (5) and the first conductive spring (9) are electrically connected with piezoelectric ceramics (14).

4. The cabinet door with the good dustproof and ventilation performance according to claim 2, wherein a plurality of slots (8) are uniformly distributed on the side wall of the window body (6), a circular groove (10) is formed in the side wall of the groove (7), a wedge block (12) is elastically connected in the circular groove (10) through a second conductive spring (11), and the second conductive spring (11) is electrically connected with the piezoelectric ceramic (14) and the humidity sensitive resistor (19).

Technical Field

The invention relates to the technical field of electric cabinet doors, in particular to an electric cabinet door with good dustproof and ventilation performance.

Background

As outdoor power facilities commonly used, the electric power cabinet needs to be cleaned after a period of time, and the inside equipment of the cabinet prevents dust from influencing operation.

But inside often electrical components work of electric power cabinet can give off a large amount of heats, seals it dustproof to be difficult to realize, and present electric power cabinet door all is equipped with the ventilation hole, but also can lead to the entering of dust, increases more trouble for the maintenance cleanness in later stage.

Therefore, the electric cabinet door with good dustproof and ventilation performance is provided.

Disclosure of Invention

The invention aims to solve the problem that the electric cabinet door in the prior art is difficult to ensure ventilation and heat dissipation and prevent dust from entering, and provides the electric cabinet door with good dustproof and ventilation performance.

In order to achieve the purpose, the invention adopts the following technical scheme: an electric cabinet door with good dustproof and ventilation performance comprises a cabinet door, wherein the inner wall of the cabinet door is provided with a ventilation hole, a metal filter screen is fixedly connected in the ventilation hole, a groove is formed in the top wall position of the ventilation hole of the cabinet door, a window body is elastically connected in the groove through a first conductive spring, an arc-shaped groove is formed in the side wall of the cabinet door, a humidity-sensitive resistor is embedded in the arc-shaped groove, a cavity is formed in the inner wall of the cabinet door, a Y-shaped seat is fixedly connected in the cavity, two resonance rods are fixedly welded at the bottom of the Y-shaped seat, an elastic air bag is fixedly connected to the side wall of each resonance rod, a silk ring is fixedly connected to one end of each resonance rod, a glass sleeve is sleeved at one end of each resonance rod, a sliding cavity is formed in the upper part of the cabinet door, the sliding, and the bottom of the vent hole is connected with a sliding component which changes the charge on the metal filter screen in a sliding way.

In the power cabinet door with good dustproof and ventilation performance, the power supply part comprises a sliding block which is connected in the sliding cavity in a sealing and sliding mode, the sliding block is connected to the side wall of the sliding cavity through a spring in an elastic mode, a pressure release valve is arranged in the sliding cavity, and piezoelectric ceramics are arranged at the top of the sliding cavity.

In foretell electric power cabinet door that dustproof ventilation performance is good, sliding part is including seting up the spout in the ventilation hole bottom, there is the magnetism ground plate through expanding spring elastic connection in the spout, the bottom inner wall of cabinet door is equipped with the electro-magnet, first conductive spring all with piezoceramics electric connection.

In foretell electric cabinet door that dustproof ventilation performance is good, the lateral wall equipartition of window form has several slots, the circular slot has been seted up to the recess lateral wall, there is the wedge through the electrically conductive spring elastic connection of second in the circular slot, electrically conductive spring of second and piezoceramics, wet quick resistance electric connection.

Compared with the prior art, the invention has the advantages that:

1. through the arrangement of the arc-shaped groove, the Y-shaped seat, the resonance rods and other structures, the wind body enters the arc-shaped groove to vibrate to generate wind sound, meanwhile, the Y-shaped seat and the two resonance rods form a tuning fork, the vibration wind sound in the arc-shaped groove drives the tuning fork to vibrate, meanwhile, the resonance rods drive the elastic air bag to vibrate synchronously, so that the elastic air bag stretches continuously, the air outlet end of the elastic air bag extrudes gas into the sliding cavity to push the sliding block to extrude piezoelectric ceramics to generate a piezoelectric effect, and the piezoelectric ceramics supply power to the electromagnet and the first conductive spring;

2. through the arrangement of the structures such as the magnetic grounding plate, the metal filter screen, the glass sleeve and the like, the resonance rod drives the silk ring to rub on the surface of the glass sleeve, so that one side of the metal filter screen, which is far away from the glass sleeve, is positively charged, the electromagnet generates a magnetic field after being electrified, the electromagnet pushes the magnetic grounding plate and the metal filter screen to be abutted and then separated, electrons on the metal filter screen are uniformly distributed again, the metal filter screen is totally negatively charged, and the metal filter screen with the negative charge adsorbs dust entering the cabinet body along with a wind body through electrostatic attraction;

3. through setting up wet quick resistance, piezoceramics and wedge isotructure, when meetting rainy weather, get into steam in the arc wall, make the resistance decline of wet quick resistance, make the electrically conductive spring circular telegram shrink of second, it contracts to the circular slot to drive the wedge, first electrically conductive spring extension promotes the window form gliding, prevent that external rainwater from entering into inside the cabinet door, play better self-closing function in rainwater weather, avoid the manual work to open the internal portion of cabinet when the window form when weather is clear ventilates, and go to close the operation that the window form avoided the rainwater to get into again in rainy weather.

Drawings

Fig. 1 is a schematic structural diagram of an electric cabinet door with good dustproof and ventilation performance, which is provided by the invention;

fig. 2 is an enlarged schematic view of a part a of the structure of the power cabinet door with good dust-proof and ventilation performance.

In the figure: 1 cabinet door, 2 vent holes, 3 chutes, 4 magnetic grounding plates, 5 electromagnets, 6 windows, 7 grooves, 8 slots, 9 first conductive springs, 10 circular grooves, 11 second conductive springs, 12 wedge-shaped blocks, 13 sliding cavities, 14 piezoelectric ceramics, 15 sliding blocks, 16 springs, 17 pressure relief valves, 18 arc-shaped grooves, 19 humidity-sensitive resistors, 20 cavities, 21Y-shaped seats, 22 resonance rods, 23 elastic air bags, 24 silk rings, 25 glass sleeves and 26 metal filter screens.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-2, an electric cabinet door with good dust-proof and ventilation performance comprises a cabinet door 1, wherein a ventilation hole 2 is formed in the inner wall of the cabinet door 1, a metal filter screen 26 is fixedly connected in the ventilation hole 2, a groove 7 is formed in the top wall of the ventilation hole 2 of the cabinet door 1, a window 6 is elastically connected in the groove 7 through a first conductive spring 9, an arc-shaped groove 18 is formed in the side wall of the cabinet door 1, a humidity-sensitive resistor 19 is embedded in the arc-shaped groove 18, a cavity 20 is formed in the inner wall of the cabinet door 1, a Y-shaped seat 21 is fixedly connected in the cavity 20, two resonance rods 22 are welded and fixed at the bottom of the Y-shaped seat 21, an elastic airbag 23 is fixedly connected to the side wall of the resonance rods 22, a silk ring 24 is fixedly connected to one end of the resonance rods 22, a glass sleeve 25 is sleeved on one end of, the power supply component is connected in the sliding cavity 13 in a sliding way, and the sliding component which changes the charge on the metal filter screen 26 is connected at the bottom of the ventilation hole 2 in a sliding way.

The power supply part includes slider 15 of sealed sliding connection in sliding chamber 13, slider 15 passes through spring 16 elastic connection at sliding chamber 13 lateral wall, be equipped with relief valve 17 in the sliding chamber 13, sliding chamber 13's top is equipped with piezoceramics 14, when resonance stick 22 vibrates, the flexible vibration of elastic airbag 23 has been driven, make the end of giving vent to anger of elastic airbag 23 extrude gas in sliding chamber 13, after the gas of sliding chamber 13 bottom reaches certain pressure, it pushes slider 15 extrusion piezoceramics 14 to produce the piezoelectric effect to circulate from relief valve 17, thereby piezoceramics 14 is to electro-magnet 5, first conducting spring 9 supplies power.

The sliding component comprises a sliding groove 3 formed in the bottom of the ventilation hole 2, a magnetic ground plate 4 is elastically connected in the sliding groove 3 through a telescopic spring, an electromagnet 5 is arranged on the inner wall of the bottom of the cabinet door 1, the electromagnet 5 and a first conductive spring 9 are both electrically connected with piezoelectric ceramics 14, a magnetic field is generated after the electromagnet 5 is electrified, the polarity of the electromagnet 5 is opposite to that of the magnetic ground plate 4, the electromagnet 5 and the magnetic ground plate are mutually repulsive force, the electromagnet 5 pushes the magnetic ground plate 4 to intermittently abut against the bottom of the metal filter screen 26, and electric charge movement and dust removal operation are performed.

Several slots 8 have been seted up to window body 6's lateral wall equipartition, circular slot 10 has been seted up to recess 7 lateral wall, there is wedge 12 through second conductive spring 11 elastic connection in the circular slot 10, second conductive spring 11 and piezoceramics 14, wet quick resistance 19 electric connection, when meetting rainy weather, get into steam in the arc wall 18, make wet quick resistance 19's resistance descend, thereby piezoceramics 14 begins to supply power to second conductive spring 11, make second conductive spring 11 circular telegram shrink, drive wedge 12 and contract in circular slot 10, and first conductive spring 9 is great because of resistance this moment, the electric current of passing through becomes inverse ratio with its resistance, thereby the extension promotes window body 6 gliding, prevent that external rainwater from entering into cabinet door 1 inside, play better self-closing function in rainwater weather.

According to the invention, when external wind enters the arc-shaped groove 18, the wind is generated by the vibration of the wind in the arc-shaped groove 18, meanwhile, the Y-shaped seat 21 and the two resonance rods 22 form a tuning fork, the tuning fork is driven by the vibration wind in the arc-shaped groove 18 to vibrate, meanwhile, the resonance rods 22 drive the elastic air bag 23 to synchronously vibrate, so that the elastic air bag 23 continuously stretches and retracts, the air outlet end of the elastic air bag 23 extrudes gas into the sliding cavity 13, and when the gas at the bottom of the sliding cavity 13 reaches a certain pressure, the gas flows through the pressure release valve 17 to push the sliding block 15 to extrude the piezoelectric ceramic 14 to generate a piezoelectric effect, so that the piezoelectric ceramic 14 supplies power to the electromagnet 5 and the first conductive spring 9.

The resonance rod 22 also drives the silk ring 24 to continuously rub on the surface of the glass sleeve 25 when vibrating, so that the surface of the glass sleeve 25 is positively charged, the electrostatic attraction of the positive charge on the surface of the glass sleeve 25 attracts electrons on the metal filter screen 26 to gather towards one side close to the glass sleeve 25, at the moment, one side of the metal filter screen 26 away from the glass sleeve 25 is positively charged, a magnetic field is generated after the electromagnet 5 is electrified, the polarity of the electromagnet 5 is opposite to that of the magnetic grounding plate 4 and mutually repulsive, the electromagnet 5 pushes the magnetic grounding plate 4 to abut against the metal filter screen 26, and then the contact is separated under the action of the expansion spring.

One end of the magnetic grounding plate 4 is connected with the ground, and because the metal filter screen 26 is contacted with the magnetic grounding plate 4, the magnetic grounding plate 4 can transmit electrons to the metal filter screen 26 to enable the side of the metal filter screen 26 far away from the glass sleeve 25 to be in electric neutrality, when the electromagnet 5 is powered off, the telescopic spring drives the magnetic grounding plate 4 to be separated from the metal filter screen 26, electrons on the metal filter screen 26 are uniformly distributed, so that the metal filter screen 26 is totally negatively charged, the negatively charged metal filter screen 26 adsorbs dust entering the cabinet body along with the wind body through electrostatic attraction, after the electromagnet 5 is powered on next time, the magnetic grounding plate 4 is pushed to be contacted with the metal filter screen 26 again, causing electrons on the metal screen 26 to move into the earth, causing the metal screen 26 to be electrically neutral, so that the metal screen 26 is no longer attracted to the dust, so that the surface of the metal screen 26 collects the attracted dust to drop to the outside.

When raining weather occurs, water vapor enters the arc-shaped groove 18, the resistance of the humidity-sensitive resistor 19 is lowered, the piezoelectric ceramic 14 starts to supply power to the second conductive spring 11, the second conductive spring 11 is electrified and contracted, the wedge-shaped block 12 is driven to be contracted into the circular groove 10, the first conductive spring 9 is large in resistance at the moment, the passing current is inversely proportional to the resistance value of the first conductive spring, the window body 6 is pushed to slide downwards by extension, external rainwater is prevented from entering the cabinet door 1, a good automatic closing function is achieved in the rainy weather, ventilation of the interior of the cabinet when the window body 6 is opened by manpower in the sunny weather is avoided, and the window body 6 is closed again in the rainy weather to avoid rainwater entering.

Although the terms of the cabinet door 1, the ventilation hole 2, the sliding groove 3, the magnetic grounding plate 4, the electromagnet 5, the window 6, the groove 7, the slot 8, the first conductive spring 9, the circular groove 10, the second conductive spring 11, the wedge block 12, the sliding cavity 13, the piezoelectric ceramic 14, the sliding block 15, the spring 16, the pressure relief valve 17, the arc-shaped groove 18, the humidity sensitive resistor 19, the cavity 20, the Y-shaped seat 21, the resonance rod 22, the elastic air bag 23, the silk ring 24, the glass sleeve 25 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.