CN213402809U

CN213402809U - Heat dissipation device with temperature control function for wind power converter cabinet

Info

Publication number: CN213402809U
Application number: CN202022900288.1U
Authority: CN
Inventors: 李秀峰; 陈�峰
Original assignee: New Energy Branch Of Huadian Shanxi Energy Co ltd
Current assignee: New Energy Branch Of Huadian Shanxi Energy Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-06-08
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a heat dissipation device with temperature control for a wind power converter cabinet, which comprises a first shell, wherein an air pump box is welded on the rear surface of the first shell, the inner bottom wall of the air pump box is connected with an air pump through bolt threads, an air inlet of the air pump penetrates through the bottom of the air pump box and is communicated with a second pipeline, five third pipelines are symmetrically communicated with the outer side wall of the second pipeline, five second shells are symmetrically communicated with the outer side wall of the fifth third pipeline, the five second shells are all welded on the rear surface of the first shell, and are detected and controlled through a temperature controller, so that the device can automatically dissipate heat when the temperature is overhigh, stop dissipating heat when the temperature reaches a set value, save electric power, simultaneously suck hot air into a refrigeration box through the air pump to cool the refrigeration box so as to change the hot air into cold air, and blow the cold air into the cabinet through a fan, the temperature in the cabinet can be quickly reduced, and the wind power converter has a better operating environment.

Description

Heat dissipation device with temperature control function for wind power converter cabinet

Technical Field

The utility model relates to a control by temperature change heat dissipation technical field specifically is a wind-powered electricity generation converter heat abstractor for rack that possesses control by temperature change.

Background

When the wind power converter cabinet is installed inside a cabin, the concentrated heat dissipation of the generator, the pitch motor, the yaw motor and other equipment in the cabin often causes the overhigh environment temperature inside the converter cabinet body under the condition of high environment temperature and long-time full power load, the service life and the reliability of devices in the cabinet body are reduced, the action of a temperature protection relay is also caused, and the whole wind generating set is shut down accordingly. Because such faults often occur under the working condition of high generated power, the loss of generated energy caused by shutdown is large at the moment.

The invention is disclosed in China: a wind power converter cabinet air cooling device (publication number: CN203708080U) discloses a wind power converter cabinet air cooling device; install on the wind-powered electricity generation converter that has the cabinet body, cabinet body below is equipped with the air inlet window that advances and the opposite top position is equipped with back air outlet window, and the forced air cooling subassembly comprises fan, fixing device, and the fan has at least one, and the fan passes through fixing device to be installed on back air outlet window, the internal ventilation duct that forms of cabinet. The utility model discloses compare with original cabinet body heat dissipation, heat dissipation air flow strengthens greatly, make the internal device of cabinet under high ambient temperature, still can effective reliable work, and can be not changing the internal device of original cabinet, do not carry out under the condition of changing to the internal overall arrangement of cabinet, smooth realization is to the radiating enhancement of wind power converter, when improving the working life and the reliability of the internal components and parts of wind power converter cabinet, also further improve wind generating set's electricity generation operating duration and generated energy, bring considerable economic benefits, but there is certain problem still, its radiating temperature can't be adjusted according to the difference of environment, and the radiating mode just dispels the heat through simple air convection, radiating speed is slower, can't satisfy the demand of great wind power converter rack.

Therefore, a heat dissipation device with temperature control for a wind power converter cabinet is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind-powered electricity generation converter heat abstractor for rack that possesses control by temperature change to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation device with temperature control for a wind power converter cabinet comprises a first shell, wherein an air pump box is welded at the top of the rear surface of the first shell, an air pump is connected to the bottom wall of the interior of the air pump box through a bolt and threads, an air inlet of the air pump penetrates through the bottom of the air pump box and is communicated with a second pipeline, five third pipelines are symmetrically communicated with the outer side wall of the second pipeline, five second shells are symmetrically communicated with the outer side wall of the five third pipelines, the five second shells are all welded on the rear surface of the first shell, five first slotted holes are symmetrically formed in the rear surface of the interior of the first shell and are respectively communicated with one side of the five second shells, a third filter screen is welded in the interior of the five first slotted holes, a refrigeration box is welded at the top of the air pump box, and an air outlet of the air pump is communicated with the bottom of the refrigeration box, the inside wall symmetry of refrigeration case bonds and has two semiconductor refrigeration pieces, the top intercommunication of refrigeration case has first pipeline, the one end intercommunication that the refrigeration case was kept away from to first pipeline has bellows, the bottom of bellows welds in the top of first casing, three fan, three are installed to the inside diapire of bellows the third slotted hole has all been seted up under the fan, the third slotted hole is linked together with first casing.

Preferably: the temperature controller is installed to the inside wall of first casing, the electrical property output of temperature controller passes through the electric property input electric connection of wire and air pump, semiconductor refrigeration piece and fan.

Preferably: and the bottoms of the two sides of the first shell are uniformly provided with second slotted holes.

Preferably: the bottom of the two sides of the first shell is connected with a first filter screen through screw threads, and the first filter screen is positioned on one side of the second slotted hole.

Preferably: the outer side wall of the first pipeline is symmetrically welded with two annular fixing plates, and the bottoms of the two annular fixing plates are connected to the top of the air box through bolts and threads.

Preferably: and a second filter screen is welded in the third slotted hole.

Compared with the prior art, the beneficial effects of the utility model are that: detect and control through the temperature controller, make this device can dispel the heat when the high temperature is automatic, stop the heat dissipation when the temperature reachs the setting value, save electric power, cool down hot-air suction refrigeration incasement portion through the air pump simultaneously, make it become the cold air, blow in the rack with the cold air through the fan inside, make the inside temperature of rack reduction that can be quick, make the wind-powered electricity generation converter possess better operational environment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the rear surface of the present invention;

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

fig. 4 is an enlarged schematic view of the structure of the region a in fig. 3 according to the present invention.

In the figure: 1. an annular fixed plate; 2. a first conduit; 3. an air box; 4. a first housing; 5. a first filter screen; 6. a screw; 7. a second conduit; 8. an air pump; 9. an air pump box; 10. a semiconductor refrigeration sheet; 11. a refrigeration case; 12. a fan; 13. a second filter screen; 14. a temperature controller; 15. a first slot; 16. a second slot; 17. a second housing; 18. a third pipeline; 19. a third filter screen; 20. a third slot.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a heat dissipation device with temperature control for a wind power converter cabinet comprises a first shell 4, wherein an air pump box 9 is welded on the top of the rear surface of the first shell 4, an air pump 8 is connected to the inner bottom wall of the air pump box 9 through a bolt and a thread, an air inlet of the air pump 8 penetrates through the bottom of the air pump box 9 and is communicated with a second pipeline 7, five third pipelines 18 are symmetrically communicated with the outer side wall of the second pipeline 7, five second shells 17 are symmetrically communicated with the outer side wall of the five third pipelines 18, the five second shells 17 are all welded on the rear surface of the first shell 4, five first slotted holes 15 are symmetrically formed in the inner rear surface of the first shell 4, the five first slotted holes 15 are respectively communicated with one sides of the five second shells 17, third filter screens 19 are welded in the five first slotted holes 15, a refrigeration box 11 is welded on the top of the air pump box 9, an air outlet of the air pump 8 is communicated with the bottom of the, the inside wall symmetry of refrigeration case 11 bonds and has two semiconductor refrigeration pieces 10, the top intercommunication of refrigeration case 11 has first pipeline 2, the one end intercommunication that refrigeration case 11 was kept away from to first pipeline 2 has bellows 3, the bottom of bellows 3 welds in the top of first casing 4, three fan 12 is installed to the inside diapire of bellows 3, third slot 20 has all been seted up under three fan 12, third slot 20 is linked together with first casing 4.

In this embodiment, specifically: the inner side wall of the first shell 4 is provided with a temperature controller 14, and the electrical output end of the temperature controller 14 is electrically connected with the electrical input ends of the air pump 8, the semiconductor refrigeration sheet 10 and the fan 12 through leads; through the arrangement, the air pump 8, the semiconductor refrigerating sheet 10 and the fan 12 can be automatically turned on to dissipate heat when the temperature is too high through detection and control of the temperature controller 14, manual turning-on is not needed, electric power is saved, and the working strength of workers is reduced.

In this embodiment, specifically: the bottoms of the two sides of the first shell 4 are uniformly provided with second slotted holes 16; through above setting, conveniently carry out the exchange of air, make the higher air of rack inside temperature can release away more fast, play certain supplementary heat dissipation function.

In this embodiment, specifically: the bottoms of the two sides of the first shell 4 are both connected with a first filter screen 5 through screws 6 in a threaded manner, and the first filter screen 5 is positioned on one side of the second slotted hole 16; through above setting, prevent that some insects and dust from getting into inside the rack, cause the damage of rack, connect through screw 6 simultaneously, can dismantle first filter screen 5, clean first filter screen 5.

In this embodiment, specifically: the outer side wall of the first pipeline 2 is symmetrically welded with two annular fixing plates 1, and the bottoms of the two annular fixing plates 1 are connected to the top of the air box 3 through bolts in a threaded mode; through above setting, fix first pipeline 2 at bellows 3's top, restricted first pipeline 2's position, avoided because first pipeline 2's removal, lead to inside cold air can't get into bellows 3 to the condition that makes this device unable normal operating appears.

In this embodiment, specifically: a second filter screen 13 is welded in the third slot hole 20; through the arrangement, the air blown out by the fan 12 can be filtered, and the situation that the device cannot normally run due to the fact that dust enters the cabinet is avoided.

In this embodiment: the air pump 8 is ACO-002 in type.

In this embodiment: the semiconductor chilling plate 10 is model TES 1-7125.

In this embodiment: fan 12 is of type T303.

In this embodiment: the model of the temperature controller 14 is OHR-A300D-14-0/X/X-D.

Working principle or structural principle: the temperature inside the wind power converter cabinet is monitored through a temperature controller 14, when the temperature is too high, an air pump 8, semiconductor refrigerating sheets 10 and fans 12 are started, hot air inside the wind power converter cabinet can be extracted through the starting of the air pump 8, the hot air is extracted through the air pump 8 and enters the inside of a second shell 17 through a third filter screen 19, then reaches the inside of a second pipeline 7 through a third pipeline 18 and enters the inside of the air pump 8 from the inside of the second pipeline 7, then the hot air is blown into the inside of a refrigerating box 11 through the air pump 8, the hot air is cooled through the two semiconductor refrigerating sheets 10 to be rapidly reduced in temperature to be changed into cold air, the cold air is sucked into the inside of a first pipeline 2 through the rotation of the three fans 12, then the cold air enters the inside of the air box 3 through the first pipeline 2, the cold air is blown into the cabinet through the three fans 12 to cool the wind power converter cabinet, when the temperature reaches the temperature value of settlement in the wind power converter rack, temperature controller 14 closes air pump 8, semiconductor refrigeration piece 10 and fan 12, saves electric power, and this device can dispel the heat through 14 automatisms of temperature controller, and inside with hot-air suction refrigeration case 11 through air pump 8 simultaneously, make it become cold air, blow in the rack with cold air again inside, just can reach rapid cooling's effect.

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. The utility model provides a wind power converter heat abstractor for rack that possesses control by temperature change, includes first casing (4), its characterized in that: the rear surface top welding of first casing (4) has air pump case (9), the inside diapire of air pump case (9) has air pump (8) through bolt threaded connection, the air inlet of air pump (8) runs through the bottom of air pump case (9) and communicates there is second pipeline (7), the lateral wall symmetry intercommunication of second pipeline (7) has five third pipeline (18), five the lateral wall symmetry intercommunication of third pipeline (18) has five second casing (17), five second casing (17) all weld in the rear surface of first casing (4), five first slotted hole (15) have been seted up to the inside rear surface symmetry of first casing (4), five first slotted hole (15) communicate respectively in one side of five second casing (17), five third filter screen (19) have all been welded to the inside of first slotted hole (15), the welding of the top of air pump case (9) has refrigeration case (11), the gas outlet of air pump (8) communicates in the bottom of refrigeration case (11), the inside wall symmetry of refrigeration case (11) bonds and has two semiconductor refrigeration pieces (10), the top intercommunication of refrigeration case (11) has first pipeline (2), the one end intercommunication that refrigeration case (11) were kept away from in first pipeline (2) has bellows (3), the bottom of bellows (3) welds in the top of first casing (4), three fan (12) are installed to the inside diapire of bellows (3), and is three third slotted hole (20) have all been seted up under fan (12), third slotted hole (20) are linked together with first casing (4).

2. The heat dissipation device with temperature control for the wind power converter cabinet according to claim 1, wherein: the temperature controller (14) is installed to the inside wall of first casing (4), the electrical output of temperature controller (14) passes through the wire and air pump (8), semiconductor refrigeration piece (10) and the electrical input electric connection of fan (12).

3. The heat dissipation device with temperature control for the wind power converter cabinet according to claim 1, wherein: and the bottoms of the two sides of the first shell (4) are uniformly provided with second slotted holes (16).

4. The heat dissipation device with temperature control for the wind power converter cabinet according to claim 3, wherein: the bottom of the two sides of the first shell (4) is connected with a first filter screen (5) through a screw (6) in a threaded manner, and the first filter screen (5) is positioned on one side of the second slotted hole (16).

5. The heat dissipation device with temperature control for the wind power converter cabinet according to claim 1, wherein: the outer side wall of the first pipeline (2) is symmetrically welded with two annular fixing plates (1), and the bottoms of the annular fixing plates (1) are connected to the top of the air box (3) through bolts and threads.

6. The heat dissipation device with temperature control for the wind power converter cabinet according to claim 1, wherein: and a second filter screen (13) is welded in the third slotted hole (20).