CN111969460A

CN111969460A - Ventilation and heat dissipation device for power grid transformer room

Info

Publication number: CN111969460A
Application number: CN202010769235.2A
Authority: CN
Inventors: 雷振兴
Original assignee: Hefei Zhirui Engineering Technology Co ltd
Current assignee: Hefei Zhirui Engineering Technology Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2020-11-20

Abstract

The invention discloses a ventilation and heat dissipation device for a power grid transformer room, and relates to the technical field of ventilation devices. The invention includes a mounting housing; a temperature and humidity sensor is fixedly arranged at the top of the inner surface of the mounting shell; the bottom of the mounting shell is fixedly provided with an air inlet mechanism; the back surface and the two side surfaces of the mounting shell are both fixedly provided with electric shutters; two side surfaces of the mounting shell are fixedly connected with a group of limiting guide rods; a plurality of base frame units are clamped on the opposite surfaces of the two groups of limiting guide rods; the air inlet mechanism comprises an air inlet shell; a group of air inlet holes are formed in the periphery of the air inlet shell; the inner wall of the air inlet shell is fixedly connected with two symmetrically arranged ventilation pipes. The invention can enhance the heat dissipation efficiency of the device by increasing the heat dissipation area through the design of the air inlet mechanism and the electric shutter, and simultaneously, the device can form a direct-current heat dissipation channel during heat dissipation through the design of the air inlet mechanism and the electric shutter, thereby improving the heat dissipation effect of the device.

Description

Ventilation and heat dissipation device for power grid transformer room

Technical Field

The invention belongs to the technical field of ventilation devices, and particularly relates to a ventilation and heat dissipation device for a power grid transformer room.

Background

Along with the social and economic development, the power supply load is increased, the number of transformer stations is increased continuously, in order to save land, the transformer room meets the requirements of people more and more, but because the heat productivity is larger when the transformer room operates, especially in summer, the environmental temperature is high, the load is large, the temperature of the transformer room is easy to be overhigh, if measures are not properly taken, when the heat cannot be discharged in time, the load of a main transformer can be reduced, even the transformer is forced to stop operation, and the safe operation of electric power is seriously influenced.

However, most of the power transformation rooms in the current market utilize the waterproof louver belt insect-proof net type louver window to ventilate, air circulation cannot be formed, the ventilation effect is poor, the heat dissipation efficiency is low, the condition that the temperature of the power transformation room is too high frequently appears in a large period of power supply load in summer is caused, the safety operation and the power supply reliability of power equipment are seriously threatened, meanwhile, a large amount of external impurities can be brought by the ventilation device for the power transformation room when ventilation is carried out, and further, the surfaces of electric appliances can be stained, and the device can be increased in maintenance difficulty and maintenance frequency due to the stained production of the electric appliances.

Disclosure of Invention

The invention aims to provide a ventilation and heat dissipation device for a power grid transformer room, which solves the problems of poor heat dissipation effect and high maintenance difficulty of the conventional ventilation device for the transformer room through the design of a base frame unit and an air inlet mechanism.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a ventilation and heat dissipation device for a power grid transformer room, which comprises an installation shell; a temperature and humidity sensor is fixedly mounted at the top of the inner surface of the mounting shell; an air inlet mechanism is fixedly arranged at the bottom of the mounting shell; the back surface and the two side surfaces of the mounting shell are both fixedly provided with electric shutters; two side surfaces of the mounting shell are fixedly connected with a group of limiting guide rods; a plurality of base frame units are clamped on the opposite surfaces of the two groups of limiting guide rods; the air inlet mechanism comprises an air inlet shell; a group of air inlet holes are formed in the periphery of the air inlet shell; the inner wall of the air inlet shell is fixedly connected with two symmetrically arranged ventilation pipes; the inner walls of the two ventilating pipes are fixedly connected with a bracket; one surface of each of the two brackets is rotatably connected with a rotating shaft through a bearing; a transmission belt is arranged between the opposite surfaces of the two rotating shafts; the circumferential side surfaces of the two rotating shafts are fixedly connected with spiral filtering blades; the peripheral side surfaces of the two spiral filter blades are matched with the ventilation pipes at corresponding positions; the surface of the bracket is fixedly connected with a servo motor; one end of the output shaft of the servo motor is fixedly connected with the rotating shaft at the corresponding position; fans are fixedly arranged on the inner walls of the two ventilating pipes and at positions corresponding to the upper parts of the brackets; the base unit includes a mounting base; the two side surfaces of the mounting base are both connected with a limiting clamping seat through sliding chutes in a sliding manner; one surface of each of the two limiting clamping seats is hinged with a driving connecting rod; the center of the mounting base is rotatably connected with a driving handle; an eccentric driving disc is fixedly connected to one surface of the driving handle; one surface of each of the two driving connecting rods is hinged with the eccentric driving disc.

Furthermore, a dust collecting drawer is connected to one surface of the air inlet shell in a sliding manner; the dust collecting drawer is positioned right below the two ventilation pipes; the two ventilation pipes are both hollow tubular structures with openings at two ends.

Furthermore, protective nets are fixedly mounted at the tops of the ventilation pipes; the cross section of the mounting base is of a U-shaped structure; the surface of the mounting base is fixedly provided with a group of positioning mounting grooves.

Furthermore, the surface of the limiting clamping seat and the position corresponding to the limiting guide rod are provided with positioning clamping grooves; and friction grains matched with the positioning clamping grooves are fixedly arranged on the peripheral side faces of the limiting guide rods.

Furthermore, a braking mechanism is fixedly arranged on the surface of the driving handle; a cabinet door is hinged to the surface of the mounting shell; the electric blind assembly comprises an outer frame; a motor is fixedly arranged in the outer frame; a group of shutter blades which are mutually connected through a belt are rotatably connected between the inner surfaces of the outer frames; one end of the output shaft of the motor is fixedly connected with one louver blade.

Furthermore, a group of filter holes distributed in a circumferential array are fixedly formed in the surface of the spiral filter blade.

The invention has the following beneficial effects:

1. the invention can enhance the heat dissipation efficiency of the device by increasing the heat dissipation area through the design of the air inlet mechanism and the electric shutter, and simultaneously, the device can form a direct-current heat dissipation channel during heat dissipation through the design of the air inlet mechanism and the electric shutter, thereby improving the heat dissipation effect of the device.

2. According to the invention, through the design of the spiral filtering blade in the air inlet mechanism, the device can filter impurities in inlet air layer by layer and repeatedly, so that the inlet air impurities are effectively removed, and through the spiral structure design and the matching design of the fan, the device can automatically remove the filtered impurities by utilizing the backflushing and spiral conveying principles, so that the self-cleaning effect of the surface of the device is maintained, and the maintenance difficulty and the maintenance cost of the device are effectively reduced.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic structural diagram of a ventilation and heat dissipation device for a power grid substation room;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of the base unit;

FIG. 4 is a schematic view of the structure of FIG. 3 from another angle;

FIG. 5 is a schematic structural view of the air intake mechanism;

FIG. 6 is a schematic cross-sectional view of FIG. 5;

in the drawings, the components represented by the respective reference numerals are listed below:

1-installation shell, 2-temperature and humidity sensor, 3-air inlet mechanism, 4-electric shutter, 5-limit guide rod, 6-pedestal unit, 7-air inlet shell, 8-air inlet hole, 9-ventilation pipe, 10-bracket, 11-rotating shaft, 12-driving belt, 13-spiral filtering blade, 14-servo motor, 15-fan, 16-installation base, 17-limit clamping seat, 18-driving connecting rod, 19-driving handle, 20-eccentric driving disk, 21-dust-receiving drawer, 22-positioning installation groove and 23-positioning clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention is a ventilation and heat dissipation device for a power grid transformation room, which includes a mounting housing 1; the top of the inner surface of the mounting shell 1 is fixedly provided with a temperature and humidity sensor 2; the temperature and humidity sensor 2 is used for monitoring temperature and humidity data in the device in real time, the type of the temperature and humidity sensor 2 is HR-NTC, when the device is used, a PLC (programmable logic controller) with a common type is built in the device, the PLC and the temperature and humidity sensor 2 form feedback, and then the opening and closing angle of the louver in the electric louver 4, namely the working power of the air inlet mechanism 3 is controlled;

the bottom of the mounting shell 1 is fixedly provided with an air inlet mechanism 3; the back and two side surfaces of the mounting shell 1 are both fixedly provided with electric shutters 4; two side surfaces of the mounting shell 1 are fixedly connected with a group of limiting guide rods 5; the opposite surfaces of the two groups of limit guide rods 5 are clamped with a plurality of base frame units 6;

the air inlet mechanism 3 comprises an air inlet shell 7; a group of air inlet holes 8 are formed in the periphery of the air inlet shell 7; the inner wall of the air inlet shell 7 is fixedly connected with two symmetrically arranged ventilation pipes 9; the inner walls of the two ventilation pipes 9 are fixedly connected with a bracket 10; one surface of each of the two brackets 10 is rotatably connected with a rotating shaft 11 through a bearing; a transmission belt 12 is arranged between the opposite surfaces of the two rotating shafts 11; the circumferential side surfaces of the two rotating shafts 11 are fixedly connected with spiral filter blades 13;

the spiral filter blade 13 is made of iron mesh, the spiral filter blade 13 is used for filtering impurities in the air, and meanwhile, through the spiral structure design, the effect of filtering rate repeatedly layer by layer can be achieved, and filtered impurities can be automatically discharged;

the peripheral side surfaces of the two spiral filter blades 13 are matched with the ventilation pipe 9 at the corresponding position; a servo motor 14 is fixedly connected to the surface of the bracket 10; one end of an output shaft of the servo motor 14 is fixedly connected with the rotating shaft 11 at the corresponding position; the inner walls of the two ventilation pipes 9 are fixedly provided with a fan 15 at the position corresponding to the upper part of the bracket 10;

the base unit 6 includes a mounting base 16; two side surfaces of the mounting base 16 are both connected with a limiting clamping seat 17 through sliding chutes in a sliding manner; one surface of each of the two limit clamping seats 17 is hinged with a driving connecting rod 18; a driving handle 19 is rotatably connected to the center of the mounting base 16; an eccentric driving disk 20 is fixedly connected to one surface of the driving handle 19; both drive links 18 are hinged at one surface to an eccentric drive disk 20.

As shown in fig. 1 and 6, a dust-collecting drawer 21 is slidably connected to a surface of the air inlet housing 7; the dust collecting drawer 21 is positioned right below the two ventilation pipes 9; the two ventilation pipes 9 are both hollow tubular structures with openings at two ends.

The top of the ventilation pipe 9 is fixedly provided with a protective net, and the protective net is used for preventing large objects from falling into the ventilation pipe 9 and further damaging the fan 15; the cross section of the mounting base 16 is of a U-shaped structure; the mounting base 16 is fixed on the surface thereof with a set of positioning mounting grooves 22, and the positioning mounting grooves 22 are used for mounting the connecting members and further for mounting the substation components.

Wherein, the surface of the limit clamping seat 17 and the position corresponding to the limit guide rod 5 are both provided with a positioning clamping groove 23; the circumferential side surface of the limiting guide rod 5 is fixedly provided with friction grains matched with the positioning clamping groove 23.

Wherein, the surface of the driving handle 19 is fixedly provided with a braking mechanism, the braking mechanism is used for limiting the position of the driving handle 19 to lead the driving handle 19 not to rotate, and the surface of the mounting shell 1 is hinged with a cabinet door; the electric shutter 4 assembly comprises an outer frame; a motor is fixedly arranged inside the outer frame; a group of shutter blades which are mutually connected through a belt are rotatably connected between the inner surfaces of the outer frames; one end of the output shaft of the motor is fixedly connected with a blade.

As shown in fig. 2, a set of filter holes distributed in a circumferential array is fixedly formed on the surface of the spiral filter blade 13.

One specific application of this embodiment is: the device is mainly suitable for ventilation and heat dissipation of devices in a transformer room, before the device is used, the placement position and the placement distance of a base frame unit 6 are predetermined so as to enable the device to be matched with the specification of the device to be installed, after the device is adjusted, the device is installed on the corresponding base frame unit 6 through related connecting pieces, in a normal working state, a feedback is formed by monitoring data of an air inlet mechanism 3 and a temperature and humidity sensor 2, the higher the temperature monitored by the temperature and humidity sensor 2 is, the higher the rotating speed of two fans 15 is, the larger the unfolding angle of shutters in an electric shutter 4 is, when the temperature and humidity sensor 2 monitors that the humidity data in an installation shell 1 exceeds a threshold value, the electric shutter 4 is closed, the device conducts heat dissipation in an internal circulation mode, in a normal working state, two spiral filter blades 13 filter impurities in inlet air layer by layer, and a servo motor 14 periodically, when the rotating shaft 11 works, the material conveying directions of the two spiral filter blades 13 are downward, and simultaneously, when the servo motor 14 works, the air outlet directions of the two fans 15 are downward synchronously, so that the device can automatically discharge filtered impurities through a backflushing and spiral material conveying principle.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A ventilation cooling device for electric wire netting transformer room, is including installation casing (1), its characterized in that:

an air inlet mechanism (3) is fixedly arranged at the bottom of the mounting shell (1); two side surfaces of the mounting shell (1) are fixedly connected with a group of limiting guide rods (5); the opposite surfaces of the two groups of limit guide rods (5) are clamped with a plurality of base frame units (6);

the air inlet mechanism (3) comprises an air inlet shell (7); a group of air inlet holes (8) are formed in the periphery of the air inlet shell (7); the inner wall of the air inlet shell (7) is fixedly connected with two symmetrically arranged ventilation pipes (9); the inner walls of the two ventilation pipes (9) are fixedly connected with a bracket (10); one surface of each of the two brackets (10) is rotatably connected with a rotating shaft (11) through a bearing; a transmission belt (12) is arranged between the opposite surfaces of the two rotating shafts (11); the circumferential side surfaces of the two rotating shafts (11) are fixedly connected with spiral filtering blades (13); the peripheral side surfaces of the two spiral filter blades (13) are matched with the ventilation pipe (9) at the corresponding position; a servo motor (14) is fixedly connected to the surface of the bracket (10); one end of an output shaft of the servo motor (14) is fixedly connected with the rotating shaft (11) at the corresponding position; fans (15) are fixedly arranged on the inner walls of the two ventilating pipes (9) and at positions corresponding to the upper parts of the brackets (10);

the base unit (6) comprises a mounting base (16); two side surfaces of the mounting base (16) are both connected with a limiting clamping seat (17) through sliding chutes in a sliding manner; one surface of each of the two limiting clamping seats (17) is hinged with a driving connecting rod (18); the center of the mounting base (16) is rotatably connected with a driving handle (19); an eccentric driving disc (20) is fixedly connected to one surface of the driving handle (19); one surface of each of the two driving connecting rods (18) is hinged with an eccentric driving disc (20).

2. The ventilation and heat dissipation device for the power grid transformation room is characterized in that a dust-collecting drawer (21) is further connected to one surface of the air inlet shell (7) in a sliding manner; the dust collection drawer (21) is positioned right below the two ventilation pipes (9); the two ventilation pipes (9) are both hollow tubular structures with openings at two ends.

3. The ventilation and heat dissipation device for the power transformation room of the power grid is characterized in that protective nets are fixedly installed at the tops of the two ventilation pipes (9).

4. The ventilation and heat dissipation device for the power grid transformation room as claimed in claim 1, wherein the mounting base (16) is of a U-shaped structure in cross section; the surface of the mounting base (16) is fixedly provided with a group of positioning mounting grooves (22).

5. The ventilation and heat dissipation device for the power grid transformation room as claimed in claim 1, wherein the surfaces of the two limiting clamping seats (17) and the positions corresponding to the limiting guide rods (5) are both provided with a positioning clamping groove (23); the peripheral side face of the limiting guide rod (5) is fixedly provided with friction grains matched with the positioning clamping groove (23).

6. The ventilation and heat dissipation device for the power grid transformation room is characterized in that a braking mechanism is fixedly arranged on the surface of the driving handle (19).

7. The ventilation and heat dissipation device for the power grid transformation room is characterized in that a temperature and humidity sensor (2) is fixedly mounted at the top of the inner surface of the mounting shell (1); and the back surface and the two side surfaces of the mounting shell (1) are fixedly provided with electric shutters (4).

8. A ventilation and heat dissipation device for a power grid transformation room as claimed in claim 7, wherein the electric shutter (4) assembly comprises an outer frame; a motor is fixedly arranged in the outer frame; a group of shutter blades which are mutually connected through a belt are rotatably connected between the inner surfaces of the outer frames; one end of the output shaft of the motor is fixedly connected with one louver blade.

9. The ventilation and heat dissipation device for the power grid transformation room as claimed in claim 1, wherein a group of filter holes distributed in a circumferential array are fixedly formed in the surface of the spiral filter blade (13).