CN112652986A

CN112652986A - Transformer substation's initiative heat sink

Info

Publication number: CN112652986A
Application number: CN202011542047.2A
Authority: CN
Inventors: 冉龙喜
Original assignee: Individual
Current assignee: Datang Yantan Hydropower Generation Co ltd; Guangxi Guiguan Electric Power Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-13
Anticipated expiration: 2040-12-24
Also published as: CN112652986B

Abstract

The invention discloses an active cooling device for a transformer substation, which relates to the technical field of electric power and comprises a box body, wherein the top of the box body is fixedly connected with a top cover, a switch door is arranged outside the box body and fixedly installed on the front side and two sides of the box body, and the box body comprises a main body shell. According to the invention, the jacking device, the movable rod and the baffle are combined, so that a large amount of gas is conveniently generated when a low-boiling-point solution is vaporized at high temperature, the top of the inner cavity is upwards driven by gas expansion to jack the upper jacking ball, the movable rod is pushed to move upwards, when the top of the movable rod is close to the permanent magnet, the other end of the baffle is downwards overturned through repulsion force generated between the permanent magnet and the permanent magnet, the heat absorption port is communicated with the inside of the ventilation pipe, and according to the Bernoulli effect, negative pressure is formed when air flows through the top of the heat absorption port, so that hot gas below the heat absorption port can be quickly pumped into the ventilation pipe through the heat absorption port and is discharged to the outside through the ventilation pipe, and the.

Description

Transformer substation's initiative heat sink

Technical Field

The invention relates to a cooling device, relates to the technical field of electric power, and particularly relates to an active cooling device for a transformer substation.

Background

The box-type substation is also called a pre-installed substation or a pre-installed substation. The high-voltage switch equipment, the distribution transformer and the low-voltage distribution device are factory prefabricated indoor and outdoor compact distribution equipment which are integrated according to a certain wiring scheme, the original civil power distribution room and a power distribution station are replaced, the novel complete transformer and distribution device is formed, the operation of equipment in a transformer station can generate high temperature, and the ventilation and cooling treatment can be carried out on the interior of the transformer station for ensuring the normal operation of the equipment. The following problems exist in the prior art:

1. in the prior art, a cooling device of a transformer substation only can simply ventilate and cool the interior of the transformer substation, and when the work load of equipment is increased, the temperature becomes very high, and a large amount of heat cannot be taken away by conventional ventilation, so that the equipment in the transformer substation cannot be cooled in time, and the equipment is easy to break down, thereby affecting normal operation and causing loss;

2. among the prior art, to some heat sink because mixing a large amount of dusts in the air, when carrying out aeration cooling, the dust can be in vent department rather than the inner wall attached to, long-term back of using can cause the vent to block up to influence the circulation of wind, and then reach the higher thermal use original intention of taking away through a large amount of wind, this heat sink's suitability variation is worsened, consequently need carry out the structure innovation and solve specific problem.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an active cooling device for a transformer substation, wherein one purpose is to increase the flow of air volume when the temperature in the transformer substation rises to a certain temperature, so as to take away the generated heat and cool the transformer substation; wherein another kind of purpose is in order to solve because mixing a large amount of dusts in the air, when carrying out aeration cooling, the dust can be in vent department and its inner wall attached to, long-term after using, can cause the vent to block up to influence the problem of the circulation of wind, in order to reach the higher thermal effect of taking away through a large amount of wind.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a transformer substation initiative heat sink, includes the box, the top fixedly connected with top cap of box, the outside of box is equipped with the switch door, switch door fixed mounting is in the front and both sides of box, the box includes main body cover, main body cover's inside is equipped with power transformation device, power transformation device fixed mounting is in main body cover's bottom surface, power transformation device's top is equipped with the ventilation pipe, the ventilation pipe sets up the inside at the top cap, the bottom surface fixedly connected with cooling mechanism of ventilation pipe, the quantity of cooling mechanism is provided with threely.

The technical scheme of the invention is further improved as follows: the cooling mechanism comprises a ventilation shell, a heat absorption port is arranged in the ventilation shell, a control device is fixedly arranged at the inner top of the heat absorption port, the heat absorption port is an opening of which the top opening is smaller than the bottom surface, a cleaning device is arranged in the heat absorption port, and the cleaning device is fixedly connected with the inner wall of the ventilation shell.

The technical scheme of the invention is further improved as follows: the control device comprises a connecting piece, a heat absorption base is fixedly connected to the bottom surface of the connecting piece, a heat conduction block is fixedly connected to the top of the heat absorption base, a jacking device is arranged above the heat conduction block, a movable rod is fixedly connected to the top of the jacking device, the outer wall of the movable rod is movably connected with the inner wall of the connecting piece, a baffle which is symmetrical to each other is arranged above the movable rod, a permanent magnet is embedded in the top of the movable rod, the baffle is close to a permanent magnet block fixedly connected to one end of the movable rod, a permanent magnet is arranged above the baffle, elastic pieces which are symmetrical to each other are arranged above the baffle, and one end of each elastic piece is fixedly connected with the inner.

The technical scheme of the invention is further improved as follows: the jacking device comprises a sealing shell, an inner cavity is arranged in the sealing shell, a stretching pipe is fixedly connected to the top of the sealing shell, a jacking ball is fixedly connected to the top of the stretching pipe, and a low-boiling-point solution is filled in the inner cavity.

The technical scheme of the invention is further improved as follows: the polarity of one side of the permanent magnet block is the same as that of the outer wall of the permanent magnet, and the heat absorption base and the heat conduction block are made of ceramic materials.

The technical scheme of the invention is further improved as follows: the cleaning device comprises a connecting block, a vibration plate is fixedly connected to the inner side of the connecting block, a convex block is fixedly connected to one side of the vibration plate, and an air guide hole is formed in the vibration plate.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides an active cooling device for a transformer substation, which is ingenious in design, adopts the combination of a jacking device, a movable rod and a baffle plate, is convenient to generate a large amount of gas when a low-boiling-point solution is vaporized at a high temperature, so that the top of an inner cavity is upwards driven by gas expansion to jack an upper jacking ball, so that the movable rod is pushed to move upwards, when the top of the movable rod is close to a permanent magnet, the other end of the baffle plate is downwards overturned through repulsion force generated between the permanent magnet and the permanent magnet, a heat absorption port is communicated with the inside of a ventilation pipe, according to Bernoulli effect, negative pressure is formed when air flows through the top of the heat absorption port, so that hot gas below the heat absorption port can be quickly pumped into the ventilation pipe and is exhausted from the ventilation pipe to the outside, thereby a power transformation device can be quickly cooled, the phenomenon that the temperature becomes very high due to the increase, the equipment in the transformer substation can not be cooled in time, so that the equipment is prone to failure, normal operation is affected, and loss is caused.

2. The invention provides an active cooling device for a transformer substation, which is characterized in that a ventilation shell and a cleaning device are combined, so that when gas flows through a vibration plate rapidly, the gas generates vibration, dust attached to the surface of the gas is separated through vibration, the dust on the surface of the gas can also fall off when the vibration is transmitted to the ventilation shell through a connecting block, and the falling dust is taken away along with airflow, so that the influence on ventilation caused by the accumulation of a large amount of dust is avoided, and the cooling effect is ensured.

3. The invention provides an active cooling device for a transformer substation, which is characterized in that a heat absorption base and a heat conduction block are combined, so that the heat absorption base can quickly conduct heat to the inside of a jacking device through the heat conduction block by utilizing the high heat conductivity of ceramic, a low-boiling-point solution can be subjected to vaporization reaction in time, and the ceramic has good insulating property, so that the overall safety of the ceramic is improved.

Drawings

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

FIG. 2 is a side view of the present invention;

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

FIG. 4 is a schematic diagram of the internal structure of the control device of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the internal structure of the jacking device of the present invention;

FIG. 7 is a schematic structural diagram of a cleaning apparatus according to the present invention.

In the figure: 1. a box body; 2. a top cover; 3. opening and closing the door; 11. a main body housing; 12. a power transformation device; 13. a vent pipe; 14. a cooling mechanism; 141. a ventilated casing; 142. a control device; 143. a heat absorption port; 144. a cleaning device; 421. a connecting member; 422. a heat sink base; 423. a heat conducting block; 424. a jacking device; 425. a movable rod; 426. a permanent magnet; 427. a baffle plate; 428. permanent magnet blocks; 429. a spring plate; 241. sealing the housing; 242. stretching the tube; 243. a low boiling point solution; 244. an inner cavity; 245. putting a top ball; 441. connecting blocks; 442. a vibration plate; 443. a wind guide hole; 444. and (4) a bump.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-3, the present invention provides an active cooling device for a transformer substation, which includes a box body 1, a top cover 2 is fixedly connected to the top of the box body 1, a switch door 3 is arranged outside the box body 1, the switch door 3 is fixedly installed on the front surface and two sides of the box body 1, the box body 1 includes a main body housing 11, a power transformation device 12 is installed inside the main body housing 11, the power transformation device 12 is fixedly installed on the bottom surface inside the main body housing 11, a ventilation pipe 13 is installed above the power transformation device 12, the ventilation pipe 13 is installed inside the top cover 2, the bottom surface of the ventilation pipe 13 is fixedly connected with a cooling mechanism 14, the number of the cooling mechanism 14 is three, the cooling mechanism 14 includes a ventilation housing 141, a heat absorption port 143 is installed inside the ventilation housing 141, a control device 142 is fixedly installed on the top inside the heat absorption port 143, the, by utilizing the bernoulli effect principle, negative pressure is formed when air flows through the top of the heat absorption port 143, hot air below the heat absorption port 143 can be rapidly pumped out into the ventilation pipe 13 by the heat absorption port 143 and is discharged to the outside from the ventilation pipe 13, so that the power transformation device 12 can be rapidly cooled, a cleaning device 144 is arranged inside the heat absorption port 143, and the cleaning device 144 is fixedly connected with the inner wall of the ventilation casing 141.

Example 2

As shown in fig. 4-6, on the basis of embodiment 1, the present invention provides a technical solution: the control device 142 comprises a connecting piece 421, a heat absorbing base 422 is fixedly connected to the bottom surface of the connecting piece 421, a heat conducting block 423 is fixedly connected to the top of the heat absorbing base 422, a jacking device 424 is arranged above the heat conducting block 423, the jacking device 424, a movable rod 425 and a baffle 427 are combined, so that a large amount of gas is conveniently generated by high-temperature vaporization of a low-boiling-point solution 243, the top of the inner cavity 244 is expanded by the gas and upwards drives a jacking ball 245 to jack up, so as to push the movable rod 425 to move upwards, when the top of the movable rod 425 is close to a permanent magnet 428, the other end of the baffle 427 is downwards overturned through repulsion force generated between a permanent magnet 426 and the permanent magnet 428, so that a heat absorbing port 143 is communicated with the inside of the ventilation pipe 13, hot gas generated by high temperature of the power transformation device 12 is rapidly extracted, so as to cool the power transformation, the top of the sealed shell 241 is fixedly connected with a stretching pipe 242, the top of the stretching pipe 242 is fixedly connected with an upper top ball 245, a low boiling point solution 243 is arranged in the inner cavity 244, the top of the jacking device 424 is fixedly connected with a movable rod 425, the outer wall of the movable rod 425 is movably connected with the inner wall of the connecting piece 421, baffles 427 which are mutually symmetrical are arranged above the movable rod 425, a permanent magnet 426 is embedded and connected in the top of the movable rod 425, one end of the baffle 427, which is close to the movable rod 425, is fixedly connected with a permanent magnet 428, the polarity of one side of the permanent magnet 428 is the same as that of the outer wall of the permanent magnet 426, the heat absorption base 422 and the heat conduction block 423 are made of ceramic materials, the high heat conductivity of the ceramic can be utilized, so that the heat absorption base 422 can rapidly conduct heat to the inside of the jacking device 424 through the heat, the whole safety of the baffle 427 is improved, the permanent magnet 426 is arranged above the baffle 427, the elastic sheets 429 which are mutually symmetrical are arranged above the baffle 427, and one end of each elastic sheet 429 is fixedly connected with the inner wall of the connecting piece 421.

Example 3

As shown in fig. 1 to 7, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the cleaning device 144 includes a connection block 441, a vibration plate 442 is fixedly connected to the inner side of the connection block 441, a protrusion 444 is fixedly connected to one side of the vibration plate 442, and a wind guide hole 443 is formed in the vibration plate 442, when gas rapidly flows through the vibration plate 442, the wind guide hole 443 and the protrusion 444 on the surface of the vibration plate can pass through the gas, and the air rubs against the surface of the vibration plate to vibrate the vibration plate, so that dust attached to the surface of the vibration plate can be separated due to vibration, and as the gas flow is discharged outwards, the vibration of the vibration plate 442 can be transmitted to the ventilation housing 141 through the connection block 441 to vibrate the ventilation housing, so that the dust is separated, the dust is prevented from being collected at the heat absorption port 143, and the heat absorption port 143.

The working principle of the active cooling device of the substation is described in detail below.

As shown in fig. 1-7, during daily use, outside air circulates from the ventilation pipe 13, heat is taken away from the top of the power transformation device 12 by wind, and is cooled, when the temperature generated by the power transformation device 12 reaches a certain temperature, the heat is firstly transferred to the heat absorption base 422, the heat of the heat absorption base 422 is transferred to the inside of the lifting device 424 through the heat conduction block 423, the low boiling point solution 243 is vaporized at a high temperature to generate a large amount of gas, so that the top of the inner cavity 244 is expanded by the gas to drive the upper lifting ball 245 to lift up, thereby pushing the movable rod 425 to move upwards, when the top of the movable rod 425 is close to the permanent magnet 428, the repulsion force generated between the permanent magnet 426 and the permanent magnet 428 pushes up one side of the permanent magnet 428 to press the elastic sheet 429, so that the other end of the baffle 427 is turned downwards, so that the heat absorption port 143 is communicated with the inside of the, when air flows through the top of the heat absorption port 143, negative pressure is formed, so that the heat absorption port 143 can rapidly extract hot air below the heat absorption port into the ventilation pipe 13 and exhaust the hot air from the ventilation pipe 13 to the outside, so that the power transformation device 12 can be rapidly cooled, when the air rapidly flows through the vibration plate 442, the air flows through the air guide holes 443 and the protrusions 444 on the surface of the air, the air rubs against the surface of the air to generate vibration, so that dust attached to the surface of the air is separated due to vibration, the vibration of the vibration plate 442 is transmitted to the ventilation housing 141 through the connection block 441 along with the outward exhaust of the air flow, so that the dust is vibrated, the dust is prevented from being accumulated at the heat absorption port 143, so that the heat absorption port 143 can keep smooth ventilation, when the temperature of the power transformation device 12 is reduced, the low-boiling-point solution cannot be continuously heated, vaporized molecules are condensed into the solution to be accumulated at the bottom of the inner cavity, therefore, frequent replacement is not needed, manual operation is saved, the movable rod 425 slides downwards due to the upward force of the upper jacking ball 245, the permanent magnet 428 at one end of the baffle 427 loses the repulsive force influence of the permanent magnet 426, and the baffle 427 is reset under the elastic deformation action of the elastic sheet 429.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims

1. The utility model provides a transformer substation's initiative heat sink, includes box (1), the top fixedly connected with top cap (2) of box (1), the outside of box (1) is equipped with switch door (3), switch door (3) fixed mounting is in the front and both sides of box (1), its characterized in that:

box (1) includes main body cover (11), the inside of main body cover (11) is equipped with power transformation device (12), bottom surface in main body cover (11) is fixed to power transformation device (12), the top of power transformation device (12) is equipped with ventilation pipe (13), ventilation pipe (13) set up the inside at top cap (2), the bottom surface fixedly connected with cooling mechanism (14) of ventilation pipe (13), the quantity of cooling mechanism (14) is provided with threely.

2. The active substation cooling device of claim 1, wherein: cooling mechanism (14) are including ventilation housing (141), the inside of ventilation housing (141) is equipped with heat absorption mouth (143), top fixed mounting in heat absorption mouth (143) has controlling means (142), heat absorption mouth (143) are the opening that round platform shape and open-top are less than the bottom surface, the inside of heat absorption mouth (143) is equipped with cleaning device (144), the inner wall fixed connection of cleaning device (144) and ventilation housing (141).

3. The active substation cooling device of claim 1, wherein: the control device (142) comprises a connecting piece (421), the bottom surface of the connecting piece (421) is fixedly connected with a heat absorption base (422), the top of the heat absorption base (422) is fixedly connected with a heat conduction block (423), a jacking device (424) is arranged above the heat conduction block (423), the top of the jacking device (424) is fixedly connected with a movable rod (425), the outer wall of the movable rod (425) is movably connected with the inner wall of the connecting piece (421), baffles (427) which are symmetrical to each other are arranged above the movable rod (425), a permanent magnet (426) is embedded and connected at the top of the movable rod (425), one end of the baffle plate (427) close to the movable rod (425) is fixedly connected with a permanent magnet block (428), a permanent magnet (426) is arranged above the baffle (427), elastic sheets (429) which are mutually symmetrical are arranged above the baffle (427), one end of the elastic sheet (429) is fixedly connected with the inner wall of the connecting piece (421).

4. The active substation cooling device of claim 1, wherein: the jacking device (424) comprises a sealed shell (241), an inner cavity (244) is arranged inside the sealed shell (241), the top of the sealed shell (241) is fixedly connected with a stretching pipe (242), the top of the stretching pipe (242) is fixedly connected with an upper jacking ball (245), and a low-boiling-point solution (243) is filled inside the inner cavity (244).

5. The active substation cooling device of claim 1, wherein: the polarity of one side of the permanent magnet block (428) is the same as that of the outer wall of the permanent magnet (426), and the heat absorption base (422) and the heat conduction block (423) are made of ceramic materials.

6. The active substation cooling device of claim 1, wherein: the cleaning device (144) comprises a connecting block (441), a vibration plate (442) is fixedly connected to the inner side of the connecting block (441), a protruding block (444) is fixedly connected to one side of the vibration plate (442), and an air guide hole (443) is formed in the vibration plate (442).