CN212381603U

CN212381603U - Safety protection device of electric control circuit in environment control system

Info

Publication number: CN212381603U
Application number: CN202021343331.2U
Authority: CN
Inventors: 夏聘; 程鹏; 甘凤萍
Original assignee: Chongqing Vocational College of Transportation
Current assignee: Chongqing Vocational College of Transportation
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-01-19
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to the field of electrical control systems, and discloses a safety protection device of an electrical control circuit in an environmental control system, a connecting hole is arranged on the excircle wall surface of a cover plate, springs are fixedly arranged on the positions, close to the lower end, of one side wall surface of the cover plates on the left side and the right side, which are close to each other, a motor drives blades on a rotating shaft to rotate, the blades rotate to drive the air in a protective shell to flow to both sides, when the air flows to both sides, the springs on fixing frames on both sides are driven to stretch to both sides, a connecting rod is sleeved with the connecting hole to enable the cover plate to rotate in a heat dissipation hole, when the springs are stretched, the cover plate on the spring rotates outwards by a certain angle to enable the cover plate which is closed in the heat dissipation hole to rotate to be separated from the heat dissipation hole, the flowing air drives partial, the spring restores to the balance state to pull the cover plate to restore the original position so as to prevent external dust from entering the interior of the protective shell.

Description

Safety protection device of electric control circuit in environment control system

Technical Field

The utility model relates to an electrical control system technical field specifically is electrical control circuit's safety arrangement among the environmental control system.

Background

The electrical control system is generally called an electrical equipment secondary control circuit, different equipment has different control circuits, and the control modes of high-voltage electrical equipment and low-voltage electrical equipment are different. Specifically, the electrical control system is a combination of a plurality of electrical elements, and is used for controlling a certain object or certain objects, so as to ensure that a controlled device safely and reliably operates.

There will be a large amount of circuits in electrical control system, need set up the guard box in the circuit outside in order to protect these circuits in order to ensure that the system normally goes on, and the circuit can produce a large amount of heats at the during operation, general guard box is at incasement setting fan and set up the through-hole on the case surface so that inside heat flow to the external world, but this kind of method can be because when the guard box is inside not need dispel the heat, outside dust can get into the guard box inside through the through-hole and pile up on the circuit surface thereby lead to long-time the back of using, the poor problem that makes circuit life reduce of line radiating effect, need the safety arrangement of electrical control circuit among the environmental control system for this.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an electrical control circuit's safety arrangement among environmental control system possesses the heat dissipation abundant, reduces advantages such as external dust entering, has solved general guard box when its inside does not need dispel the heat, thereby external dust can get into the guard box through the through-hole inside and pile up the circuit and lead to long-time the use after on the surface, and the circuit radiating effect is poor and make the problem that circuit life reduces.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the safety protection device for the electrical control circuit in the environment control system comprises a protective shell, wherein the protective shell is of a rectangular hollow structure, motors are fixedly arranged on the inner upper wall surface of the protective shell, the number of the motors is two, the two motors are respectively positioned at the left side and the right side of the inner upper wall surface of the protective shell, a rotating shaft is fixedly arranged on the lower wall surface of a shaft of the motor, the rotating shaft is of a cylindrical structure, blades are arranged on the outer circular wall surface of the rotating shaft, heat dissipation holes are formed in the left side wall surface and the right side wall surface of the protective shell, the heat dissipation holes are circular through holes, the number of the heat dissipation holes is four, the four heat dissipation holes are respectively positioned at the front side and the rear side, close to the upper end, of the left side wall surface and the right side wall surface of the inner side, the inside of turn-trough is provided with the connecting rod, the connecting rod cup joints together with the turn-trough, the inside of louvre is provided with the apron, the apron is cylindrical structure, the connecting hole has been seted up to the excircle wall of apron, the equal fixed mounting of lower extreme position is close to one side wall that the apron of the left and right sides is close to, the fixed orifices has been seted up to protecting sheathing's back wall, the fixed orifices is the rectangle through-hole, the inside of fixed orifices is provided with the card frame, the card frame is the cruciform structure, the draw-in groove has been seted up to the back wall of card frame, the draw-in groove is the cross groove, the inside of draw-in groove is provided with the magnet piece, the magnet piece is the cruciform structure, the spacing groove has been seted up to the back wall of magnet.

Preferably, the blades are of an arc-shaped structure.

Preferably, the connecting hole is a circular through hole, the position of the connecting hole corresponds to the position of the rotating groove, and the connecting rod is communicated with the inside of the connecting hole and is sleeved with the connecting hole.

Preferably, one side wall surface of the spring, which is far away from the cover plate, is fixedly connected with the upper end position of one side wall surface, which is far away from the fixing frames on the left side and the right side, of the spring.

Preferably, the clamping block is of a rectangular structure, and the clamping block is meshed with the limiting groove.

Preferably, the rotary groove is a circular groove, and the rotary groove is located at a position where the inner circle wall surface of the heat dissipation hole is close to the upper wall surface of the protection shell.

(III) advantageous effects

Compared with the prior art, the utility model provides an electrical control circuit's safety arrangement among environmental control system possesses following beneficial effect:

1. the safety protection device of the electric control circuit in the environmental control system is connected with external power supply equipment through a motor, the motor drives the blades on the rotating shaft to rotate, the blades rotate to drive air in the protective shell to flow to two sides, when the air flows to two sides, the springs on the fixing frames at two sides are driven to stretch towards two sides, the connecting rod is sleeved with the connecting hole so that the cover plate can rotate in the heat dissipation holes, when the springs are stretched, the cover plate on the spring rotates outwards for a certain angle to ensure that the cover plate which is originally closed in the heat dissipation hole rotates to be separated from the heat dissipation hole, the flowing air drives part of the heat in the heat dissipation hole to flow out from a gap between the cover plate and the protective shell, thereby play the radiating effect, when motor and power supply unit disconnection, the spring resumes balanced state and resumes original position with the pulling apron to reducible external dust gets into inside the protecting sheathing when the circuit need not dispel the heat.

2. According to the safety protection device of the electric control circuit in the environment control system, the blades are arranged on the rotating shaft, the area of the blades is increased, and the blades are of arc-shaped structures, so that the resistance of air to the blades is reduced, and the heat dissipation effect is improved.

3. This safety arrangement of electrical control circuit among environmental control system through having seted up the fixed orifices on protecting sheathing, to the apron of pulling fixed orifices inside, breaks away from the limiting groove inside with the fixture block that the spacing groove meshing is in the same place on the apron to can directly maintain the trouble problem of dismantling in order to avoid through the fixed orifices direct circuit to protecting sheathing inside.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing according to the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a partial schematic view of A of FIG. 3;

fig. 5 is a partial schematic view of B in the projection 3.

In the figure: the device comprises a protective shell 1, a motor 2, a rotating shaft 3, blades 4, fixing holes 5, a clamping frame 6, a baffle 7, a clamping block 8, heat dissipation holes 9, a rotating groove 10, a connecting rod 11, a fixing frame 12, a spring 13, a cover plate 14, a connecting hole 15, a clamping groove 16, a magnet block 17 and a limiting groove 18.

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.

Referring to fig. 1-5, a safety protection device for an electrical control circuit in an environmental control system includes a protective housing 1, the protective housing 1 is a rectangular hollow structure, a motor 2 is fixedly mounted on an inner upper wall surface of the protective housing 1, the motor 2 is an existing structure, which is not described herein, two motors 2 are provided, the two motors 2 are respectively located at left and right side positions of the inner upper wall surface of the protective housing 1, a rotating shaft 3 is fixedly mounted on a lower wall surface of a shaft of the motor 2, the rotating shaft 3 is a cylindrical structure, a blade 4 is provided on an outer circumferential wall surface of the rotating shaft 3, the blade 4 is an arc-shaped structure, heat dissipation holes 9 are provided on left and right side wall surfaces of the protective housing 1, the heat dissipation holes 9 are circular through holes, four heat dissipation holes 9 are provided, the four heat dissipation holes 9 are respectively located at front and rear side positions of the left and right side wall surfaces of the, mount 12 has four, mount 12 is the V-arrangement structure, the rotary trough 10 has all been seted up to one side position that the interior round wall of louvre 9 kept away from each other, rotary trough 10 is the circular recess, rotary trough 10 is located the position that the interior round wall of louvre 9 is close to the last wall of protecting sheathing 1, the inside of rotary trough 10 is provided with connecting rod 11, connecting rod 11 cup joints together with rotary trough 10, the inside of louvre 9 is provided with apron 14, apron 14 is cylindrical structure, apron 14 is light plastic material, connecting hole 15 has been seted up to the excircle wall of apron 14, connecting hole 15 is circular through-hole, the position of connecting hole 15 corresponds each other with the position of rotary trough 10, connecting rod 11 has been linked together the inside of connecting hole 15 and has been cup jointed together with connecting hole 15, the equal fixed mounting of lower extreme position is close to one side wall that apron 14 of the left and right sides is close to each other of apron 14 is close to one side wall, spring 13 keeps away from Play, fixed orifices 5 have been seted up to protecting sheathing 1's back wall, fixed orifices 5 are the rectangle through-hole, the inside of fixed orifices 5 is provided with card frame 6, card frame 6 is the cruciform structure, draw-in groove 16 has been seted up to card frame 6's back wall, draw-in groove 16 is the cross groove, the inside of draw-in groove 16 is provided with magnet piece 17, magnet piece 17 is the cruciform structure, magnet piece 17 is the magnet material, spacing groove 18 has been seted up to magnet piece 17's back wall, spacing groove 18 is the rectangular channel, the inside of fixed orifices 5 is provided with baffle 7, baffle 7 is the rectangular structure, the antetheca fixed mounting of baffle 7 has fixture block 8, fixture block 8 is the iron material that can be adsorbed by magnet, fixture block 8 is in the same place with spacing groove.

When the heat dissipation device is used, the motor 2 is connected with external power supply equipment, the motor 2 drives the blades 4 on the rotating shaft 3 to rotate, the blades 4 rotate to drive air inside the protective shell 1 to flow towards two sides, when the air flows towards two sides, the springs 13 on the fixing frames 12 on two sides are driven to stretch towards two sides, the connecting rods 11 are sleeved with the connecting holes 15 so that the cover plates 14 can rotate inside the heat dissipation holes 9, when the springs 13 are stretched, the cover plates 14 on the springs 13 rotate outwards by a certain angle so that the cover plates 14 originally closed inside the heat dissipation holes 9 rotate to be separated from the inside of the heat dissipation holes 9, and the flowing air drives part of heat inside to flow out from gaps between the cover plates 14 and the protective, thereby playing a heat dissipation effect, when the motor 2 is disconnected from the power supply device, the spring 13 restores the balance state to pull the cover plate 14 to restore the original position to prevent external dust from entering the interior of the protective housing 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. Safety arrangement of electrical control circuit in environmental control system, including protecting sheathing (1), the equal fixed mounting in wall left and right sides position has motor (2) on the inside of protecting sheathing (1), and the lower wall fixed mounting of the axle of motor (2) has pivot (3), and the excircle wall of pivot (3) is provided with blade (4), its characterized in that: the heat dissipation holes (9) are respectively formed in the positions, close to the upper end, of the front side and the rear side of the left side wall surface and the right side wall surface of the protective shell (1), the positions, close to the upper end, of the front side and the rear side of the left side wall surface and the rear side wall surface of the right side wall surface of the protective shell (1), fixing frames (12) are respectively and fixedly installed in the positions, close to the upper end, of the left side wall surface and the right side wall surface of the inner side of each heat dissipation hole (9), rotary grooves (10) are respectively formed in the positions, far away from the inner circle wall surface of each rotary groove (10), connecting rods (11) are arranged in the rotary grooves (10), cover plates (14) are arranged in the heat dissipation holes (9), connecting holes (15) are formed in the outer circle wall surface of each cover plate (14), springs (13) are respectively and fixedly installed in, a limiting groove (18) is formed in the rear wall face of the magnet block (17), a baffle (7) is arranged inside the fixing hole (5), and a clamping block (8) is fixedly mounted on the front wall face of the baffle (7).

2. The safety protection device for the electric control circuit in the environmental control system according to claim 1, wherein: the spring (13) is positioned at the position that one side wall surface of the cover plates (14) at the left side and the right side, which are close to each other, is close to the lower end position, and one side wall surface of the spring (13), which is far away from the cover plates (14), is fixedly connected with the upper end position of one side wall surface of the fixing frames (12) at the left side and the right side, which are far away from each other.

3. The safety protection device for the electric control circuit in the environmental control system according to claim 1, wherein: the position of the connecting hole (15) corresponds to the position of the rotary groove (10), and the connecting rod (11) is communicated with the inside of the connecting hole (15) and is sleeved with the connecting hole (15).

4. The safety protection device for the electric control circuit in the environmental control system according to claim 1, wherein: the limiting groove (18) is a rectangular groove, and the limiting groove (18) is meshed with the clamping block (8).

5. The safety protection device for the electric control circuit in the environmental control system according to claim 1, wherein: the rotary groove (10) is a circular groove, and the rotary groove (10) is located at the position where the inner circle wall surface of the heat dissipation hole (9) is close to the upper wall surface of the protective shell (1).

6. The safety protection device for the electric control circuit in the environmental control system according to claim 1, wherein: the blades (4) are of arc-shaped structures.