CN219143936U

CN219143936U - Empty water heat exchange device for rectifying phase-shifting transformer

Info

Publication number: CN219143936U
Application number: CN202320191432.XU
Authority: CN
Inventors: 杨辉; 向荣海
Original assignee: Xiaochi Electric Co ltd
Current assignee: Xiaochi Electric Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-06-06
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses an air-water heat exchange device for a rectifying phase-shifting transformer, which comprises a transformer cabinet and an air-water cooler, wherein an air cover is fixedly arranged at an air outlet at the upper end of the transformer cabinet, a fan is fixedly arranged at the inner side of the air cover, a hot air pipe is fixedly connected to the upper end of the air cover, an emergency mechanism is arranged on the left side of the hot air pipe, an air guide pipe is fixedly connected to the lower end of the hot air pipe, the lower end of the air guide pipe is fixedly connected with an air inlet end of the air-water cooler, a cold air pipe is fixedly connected to an air outlet end at the right side of the air-water cooler, and the other end of the cold air pipe is fixedly connected with an air inlet at the left side of the transformer cabinet. According to the utility model, by adopting the structure, when maintenance is required without stopping, the crank is used for shaking the screw threads to stretch and retract, so that the screw stretches and rotates to drive the emergency blocking plate to slide on the round rod, and when the emergency blocking plate is opened from the hot air pipe, hot air in the transformer cabinet can be conveniently discharged out of the room.

Description

Empty water heat exchange device for rectifying phase-shifting transformer

Technical Field

The utility model belongs to the technical field of transformer heat dissipation, and particularly relates to an empty water heat exchange device for a rectifying phase-shifting transformer.

Background

The high-voltage frequency converter control system can generate a large amount of heat in the operation process, if the discharge is not eliminated in time, the internal temperature of the frequency converter can be increased, the normal working temperature of devices in the cabinet is not more than 85 ℃, and the frequency converter can not normally and stably operate after the temperature exceeds the normal working temperature.

At present, a fan cooling and air conditioning cooling mode is generally adopted in a high-voltage frequency converter on the market, a high-voltage frequency converter control system using air cooling can be more stable, and the existing air cooling device has the problems that a heat exchange cooling water pipe is not filtered in water inflow, internal blockage is easy to cause, and the device is inconvenient to overhaul in the later period and needs to be stopped to overhaul so as to influence normal production.

Disclosure of Invention

In view of the problems mentioned in the background art, an object of the present utility model is to provide an air-water heat exchange device for a rectifying and phase-shifting transformer, so as to solve the problems mentioned in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a rectification is empty water heat transfer device for transformer, includes transformer cabinet and air-water cooler, the upper end air outlet of transformer cabinet goes out fixed mounting and has the fan, the inboard fixed mounting of fan, the upper end fixedly connected with hot-blast main of fan, the left side of hot-blast main is equipped with emergency mechanism, the left side lower extreme fixedly connected with air duct of hot-blast main, the lower extreme of air duct and the air inlet end fixed connection of air-water cooler, the right side air-out end fixed connection of air-water cooler has the cold air duct, the other end of cold air duct and the air intake fixed connection of transformer cabinet left, the front fixed mounting of air-water cooler has the humiture monitor, the detection end of humiture monitor is set up in the inboard of air-water cooler, the front fixed mounting of air-water cooler has double-circuit redundant power supply box, the left side upper end fixedly connected with cold water pipe, the left side lower extreme fixedly connected with hot-water pipe of air-water cooler, the outside of cold water pipe and hot-water pipe is all fixedly connected with stop valve, the filter device is fixed with filter device, the filter device is fixed with the filter housing is fixed mounting plate in the filter.

Further, as the preferred technical scheme, emergent mechanism includes the round bar, round bar symmetry fixed mounting is in the front and back both sides of hot-blast main left end, the same joining in marriage board of left end fixedly connected with of round bar, the outside sliding connection of round bar has the same emergent closure plate, the left side threaded connection of joining in marriage the board has the screw rod, the left end fixedly connected with crank of screw rod, the other end of screw rod runs through joining in marriage board and emergent closure plate rotation and connects, the right side of emergent closure plate and the mouth of pipe grafting connection of hot-blast main.

Further, as the preferable technical scheme, both sides all welded connection has the sliding sleeve around the emergent closure plate, emergent closure plate passes through sliding sleeve sliding connection in the outside of round bar.

Further, as the preferable technical scheme, the plug bush is fixedly connected to one side of the emergency blocking plate, which faces the pipe orifice of the hot air pipe, and the emergency blocking plate is in plug connection with the left end of the hot air pipe through the plug bush.

Further, as a preferable technical scheme, the mounting plate is connected with the upper end of the filter box in a plug-in manner, and the mounting plate is fixedly mounted with the filter box through screws.

Further, as a preferable technical scheme, the upper end of the mounting plate is fixedly connected with a handle.

Further, as the preferable technical scheme, the filter mechanism comprises a mounting sleeve, the mounting sleeve is fixedly mounted at the lower end of the mounting plate, the mounting sleeve is connected to the inner side of the upper end of the filter box in a plug-in manner, and a first filter screen, a second filter screen and a third filter screen are sequentially arranged on the inner side of the mounting sleeve from left to right.

In summary, the utility model has the following advantages:

firstly, when maintenance is required without stopping, the screw threads are stretched and retracted by using the crank, so that the screw stretches and rotates to drive the emergency blocking plate to slide on the round rod, and when the emergency blocking plate is opened from the hot air pipe, hot air in the transformer cabinet can be conveniently discharged out of the room;

secondly, a mounting sleeve is arranged at the lower end of the mounting plate, the mounting sleeve and the filter box are spliced, and as a first filter screen, a second filter screen and a third filter screen with the density from large to small are sequentially arranged in the mounting sleeve, the impurities in the water of the cold water pipe passing through the filter box can be conveniently filtered, so that the blockage and damage of the impurities in the cold water to the air-water cooler are effectively avoided;

thirdly, through installing the humiture monitoring appearance on the air-water cooler, can conveniently monitor the inside humiture condition of air-water cooler, this air-water cooler adopts the redundant power supply box of double-circuit to add cooling system's reliability simultaneously to guarantee high-voltage inverter control system's normal steady operation, and all installed manual stop valve on air-water cooler's cold water pipe and hot-water line and increased cooling system's security.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of FIG. 1A in accordance with the present utility model;

fig. 3 is a cross-sectional view of the filter box of the present utility model.

Reference numerals: 1. transformer cabinet, 2, fan, 3, fan housing, 4, hot-blast main, 5, cold-blast main, 6, guide duct, 7, emergency mechanism, 701, round bar, 702, match board, 703, emergency closure board, 704, screw, 705, crank, 8, sliding sleeve, 9, plug bush, 10, air-water cooler, 11, double-circuit redundant power supply box, 12, humiture monitor, 13, hot-water line, 14, cold-blast main, 15, stop valve, 16, filter box, 17, mounting panel, 18, handle, 19, filtering mechanism, 191, mounting sleeve, 192, first filter screen, 193, second filter screen, 194, third filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, the air-water heat exchange device for a rectifying and phase shifting transformer according to the embodiment comprises a transformer cabinet 1 and an air-water cooler 10, wherein an air cover 3 is fixedly installed at an air outlet at the upper end of the transformer cabinet 1, a fan 2 is fixedly installed at the inner side of the air cover 3, a hot air pipe 4 is fixedly connected to the upper end of the air cover 3, an emergency mechanism 7 is arranged at the left side of the hot air pipe 4, an air guide pipe 6 is fixedly connected to the lower end of the hot air pipe 4, the lower end of the air guide pipe 6 is fixedly connected with an air inlet end of the air-water cooler 10, the right air outlet end of the air-water cooler 10 is fixedly connected with a cold air pipe 5, the other end of the cold air pipe 5 is fixedly connected with an air inlet at the left side of the transformer cabinet 1, a temperature and humidity monitor 12 is fixedly installed at the front side of the air-water cooler 10, a redundant power supply box 11 is fixedly installed at the front side of the air-water cooler 10, a cold water pipe 14 is fixedly connected to the upper end of the left side of the air-water cooler 10, a filter mechanism 13 is fixedly connected to the lower end of the left side of the air-water cooler 10, a cold water pipe 13 is fixedly connected to the air pipe 14 and a filter mechanism 16 is fixedly connected to the outer side of the air pipe 16, a filter mechanism 16 is fixedly connected to the filter plate 16 is fixedly connected to the filter mechanism 16, and the filter mechanism 16 is fixedly connected to the outer side of the filter plate 16 is fixedly connected to the air inlet pipe 16, and the filter mechanism is fixedly connected to the filter mechanism 16; the mounting plate 17 is connected with the upper end of the filter box 16 in a plug-in manner, the mounting plate 17 is fixedly mounted with the filter box 16 through screws, and the filter mechanism 19 at the lower end of the mounting plate 17 can be conveniently dismounted and maintained through screw fixation after the mounting plate 17 is connected with the upper end of the filter box 16 in a plug-in manner; the upper end of the mounting plate 17 is fixedly connected with a handle 18, and the handle 18 is arranged on the mounting plate 17, so that the mounting plate 17 can be pulled by the handle 18 to take the filter mechanism 19 out of the filter box 16.

Example 2

Referring to fig. 1 and 2, in order to achieve the purpose of emergency exhaust conveniently, in this embodiment, an innovative design is performed on an emergency mechanism 7, specifically, the emergency mechanism 7 includes a round rod 701, the round rod 701 is symmetrically and fixedly installed on the front and rear sides of the left end of a hot air pipe 4, the left end of the round rod 701 is fixedly connected with a same distributing plate 702, the outer side of the round rod 701 is slidably connected with a same emergency blocking plate 703, the left side of the distributing plate 702 is in threaded connection with a screw 704, the left end of the screw 704 is fixedly connected with a crank 705, the other end of the screw 704 penetrates through the distributing plate 702 and is in rotary connection with the emergency blocking plate 703, the right side of the emergency blocking plate 703 is in plug connection with the pipe orifice of the hot air pipe 4, and when no shutdown maintenance is required, the screw 704 is rocked by the crank 705 to stretch and retract, so that the screw 704 is driven to slide on the round rod 701, and when the emergency blocking plate 703 is opened from the hot air pipe 4, hot air in the transformer cabinet 1 can be conveniently discharged outside; the sliding sleeves 8 are welded on the front side and the rear side of the emergency blocking plate 703, the emergency blocking plate 703 is connected to the outer side of the round rod 701 in a sliding manner through the sliding sleeves 8, and the sliding sleeves 8 are welded on the front side and the rear side of the emergency blocking plate 703, so that the emergency blocking plate 703 can conveniently slide outside the round rod 701; the plug bush 9 is fixedly connected to one side of the emergency blocking plate 703, which faces the pipe orifice of the hot air pipe 4, and the emergency blocking plate 703 is in plug connection with the left end of the hot air pipe 4 through the plug bush 9, and the plug bush 9 is arranged on one side of the emergency blocking plate 703, which faces the pipe orifice of the hot air pipe 4, so that the emergency blocking plate 703 can be conveniently inserted into the hot air pipe 4 for blocking; the plug bush 9 is also provided with a sealing ring which can play a role in sealing and plugging after being inserted into the hot air pipe 4.

Example 3

Referring to fig. 1 and 3, in this embodiment, based on embodiment 1, in order to achieve the purpose of conveniently filtering impurities in water flowing into the cold water pipe 14, this embodiment innovates the filtering mechanism 19, specifically, the filtering mechanism 19 includes a mounting sleeve 191, the mounting sleeve 191 is fixedly installed at the lower end of the mounting plate 17, the mounting sleeve 191 is connected inside the upper end of the filtering box 16 in a plugging manner, a first filtering screen 192, a second filtering screen 193 and a third filtering screen 194 are sequentially arranged inside the mounting sleeve 191 from left to right, by arranging the filtering mechanism 19, the mounting sleeve 191 and the filtering box 16 are installed at the lower end of the mounting plate 17, and since the first filtering screen 192, the second filtering screen 193 and the third filtering screen 194 with the density from large to small are sequentially installed in the mounting sleeve 191, impurities in water flowing into the cold water pipe 14 through the filtering box 16 can be conveniently filtered.

The use principle and the advantages are that: in the use process, the fan 2 in the fan housing 3 at the upper end of the indoor transformer cabinet 1 is used for extracting heat in the transformer cabinet 1, then the hot air pipe 4 in a blocking state is used for entering the air-water cooler 10 by the air guide pipe 6 at the lower end for heat exchange, cold air formed after the hot air enters is conveyed back into the transformer cabinet 1 through the cold air pipe 5, the temperature in the transformer cabinet 1 can be controlled below 40 ℃ stably and reliably with excellent cooling performance, in addition, the temperature and humidity condition in the air-water cooler 10 can be conveniently monitored by installing the temperature and humidity monitor 12 on the air-water cooler 10, meanwhile, the air-water cooler 10 adopts the double-circuit redundant power supply box 11 to add the reliability of a cooling system, thereby ensuring the normal and stable operation of the high-voltage frequency converter control system, and the safety of the cooling system is improved by arranging the manual stop valve 15 on the cold water pipe 14 and the hot water pipe 13 of the air-water cooler 10, when cooling water enters the air-water cooler 10 through the cold water pipe 14, as the filter box 16 is additionally arranged on the cold water pipe 14, the first filter screen 192, the second filter screen 193 and the third filter screen 194 with the density from large to small are sequentially arranged in the mounting sleeve 191 of the filter box 16, impurities in the water of the cold water pipe 14 passing through the filter box 16 can be conveniently filtered, the safety of the air-water cooler 10 is ensured, when the maintenance is not needed, the crank 705 is used for shaking the screw 704 to stretch and retract, the screw 704 stretches and rotates to drive the emergency blocking plate 703 to slide on the round rod 701, and when the emergency blocking plate 703 is opened from the hot air pipe 4, hot air in the transformer cabinet 1 can be conveniently discharged outside.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An empty water heat transfer device for rectification phase-shifting transformer, its characterized in that: including transformer cabinet (1) and air-water cooler (10), the upper end air outlet fixed mounting of transformer cabinet (1) has fan housing (3), the inboard fixed mounting of fan housing (3) has fan (2), the upper end fixedly connected with hot-blast main (4) of fan housing (3), the left side of hot-blast main (4) is equipped with emergency mechanism (7), the left side lower extreme fixedly connected with guide duct (6) of hot-blast main (4), the lower extreme of guide duct (6) and the air inlet end fixed connection of air-water cooler (10), the right side air-out end fixed connection of air-water cooler (10) cold-blast main (5), the other end of cold-blast main (5) and the air inlet fixed connection of transformer cabinet (1) left side, the front fixed mounting of air-water cooler (10) has humiture monitor (12), the detection end of humiture monitor (12) sets up the inboard at air-water cooler (10), the front fixed mounting of air-water cooler (10) has guide duct (6), the front fixed mounting of air-water cooler (10) has double-circuit water cooler (11), the left side air-water cooler (14) is connected with air-water cooler (13) and air-cooling pipe (14), the outside of cold water pipe (14) is equipped with rose box (16), the upper end fixed mounting plate (17) of rose box (16), the lower extreme of mounting plate (17) is equipped with filtering mechanism (19), filtering mechanism (19) are established in the inboard of rose box (16).

2. The air-water heat exchange device for a rectifying and phase-shifting transformer according to claim 1, wherein: the emergency mechanism (7) comprises round rods (701), the round rods (701) are symmetrically and fixedly arranged on the front side and the rear side of the left end of the hot air pipe (4), the left ends of the round rods (701) are fixedly connected with the same matching plate (702), the outer sides of the round rods (701) are slidably connected with the same emergency blocking plate (703), the left sides of the matching plate (702) are in threaded connection with screws (704), the left ends of the screws (704) are fixedly connected with crank handles (705), the other ends of the screws (704) penetrate through the matching plate (702) and are in rotary connection with the emergency blocking plate (703), and the right sides of the emergency blocking plate (703) are in plug connection with pipe orifices of the hot air pipe (4).

3. The air-water heat exchange device for a rectifying and phase-shifting transformer according to claim 2, wherein: the emergency blocking plate (703) is welded and connected with a sliding sleeve (8) on the front side and the rear side of the emergency blocking plate, and the emergency blocking plate (703) is connected to the outer side of the round rod (701) in a sliding mode through the sliding sleeve (8).

4. The air-water heat exchange device for a rectifying and phase-shifting transformer according to claim 2, wherein: the emergency blocking plate (703) is fixedly connected with a plug bush (9) towards one side of a pipe orifice of the hot air pipe (4), and the emergency blocking plate (703) is in plug connection with the left end of the hot air pipe (4) through the plug bush (9).

5. The air-water heat exchange device for a rectifying and phase-shifting transformer according to claim 1, wherein: the mounting plate (17) is connected with the upper end of the filter box (16) in a plug-in manner, and the mounting plate (17) is fixedly mounted with the filter box (16) through screws.

6. The air-water heat exchange device for a rectifying and phase-shifting transformer according to claim 1, wherein: the upper end of the mounting plate (17) is fixedly connected with a handle (18).

7. The air-water heat exchange device for a rectifying and phase-shifting transformer according to claim 1, wherein: the filter mechanism (19) comprises a mounting sleeve (191), the mounting sleeve (191) is fixedly mounted at the lower end of the mounting plate (17), the mounting sleeve (191) is connected with the inner side of the upper end of the filter box (16) in a plug-in mode, and a first filter screen (192), a second filter screen (193) and a third filter screen (194) are sequentially arranged on the inner side of the mounting sleeve (191) from left to right.