CN209433984U - A kind of dry-type transformer - Google Patents

Abstract

A kind of dry-type transformer, including cabinet, cabinet are equipped with chamber door, the built-in cored windings section of cabinet, and box roof is equipped with dust-proof radiating grid；Dust-proof radiating grid include frame, and the frame includes the first side plate and the second side plate, and multiple lower spill baffles and multiple upper spill baffles are equipped between the first side plate and the second side plate；The recess of the lower spill baffle is arranged upward, and there are gaps between two neighboring lower spill baffle；The upper spill baffle is above the gap between two neighboring lower spill baffle, and the recess of upper spill baffle is arranged downward；For there are gaps between lower spill baffle and upper spill baffle.Not only it is conducive to box house heat quickly to shed, but also can prevents dust from entering in cabinet, in addition the design of the box roof of this patent is conducive to upkeep operation.

Description

A kind of dry-type transformer

Technical field

The utility model belongs to field transformer, in particular to a kind of dry-type transformer.

Background technique

Dry-type transformer is the transformer using air as dielectric, and the winding of dry-type transformer is dissipated also with air Heat, this is the main feature that dry-type transformer is different from oil-immersed transformer；Due to the heat dissipation and insulation performance of dry-type transformer Without oil-immersed transformer height, so the general capacity of dry-type transformer is smaller, it is usually used in matching for indoor scenarios, especially factory Electric room can all use dry-type transformer.

There are following problems with secure context in heat dissipation for current dry-type transformer:

1, it is well known that hot-air has the characteristic moved upwards, if opening up heat dissipation in dry-type transformer top of the box Grid, heat dissipation effect are optimal；But after dry-type transformer top of the box opens up heat dissipation grid, the dust in air can be also easier It enters in cabinet, once dust accumulation is excessive, the bus of dry-type transformer can be because the covering of dust causes temperature to increase, gently It then will increase electricity loss, it is heavy then may cause dry-type transformer trip accident；

2, it so the heat dissipation grid of dry-type transformer are typically mounted on the side wall of cabinet at present because of above-mentioned reason, dissipates Hot grid are mounted on wall box, can reduce the entrance of dust to a certain extent, but dust granule is free state, only It is to be difficult that dust is prevented to enter in the cabinet of dry-type transformer by changing the installation site of heat dissipation grid；On the other hand, it radiates Grid are installed on the side wall of the box body, and heat dissipation effect also will be greatly reduced；

3, at runtime, patrol officer needs the temperature of measuring transformer ontology to dry-type transformer, generally will use thermometric Rifle or thermal imaging system measurement, either temperature-measuring gun or thermal imaging system, measuring principle be by infrared rays survey, it is existing Dry-type transformer is equipped with windowpane, its purpose is to allow patrol officer to see the situation in cabinet, still further aspect be for Temperature-measuring gun or thermal imaging system provide a measurement window；But windowpane can reflect or reflect infrared ray, so as to cause measurement knot Fruit application condition is big；Therefore patrol officer does not have the temperature of accurately measure dry-type transformer ontology, there is safe hidden Suffer from.

In addition, current dry-type transformer body structure is unfavorable for overhauling, because low-voltage busbar is mounted on iron core winding Top, and bolt is very more in low-voltage busbar, when dry-type transformer interruption maintenance, needs to examine the bolt of low-voltage busbar It looks into；But existing dry-type transformer top of the box is unfavorable for dismantling, maintenance is inconvenient.

Utility model content

In view of technical problem present in background technique, a kind of dry-type transformer provided by the utility model is not only sharp It quickly sheds in box house heat, but also can prevent dust from entering in cabinet, in addition the box roof of this patent Design is conducive to upkeep operation.

In order to solve the above-mentioned technical problem, the utility model takes following technical solution to realize:

A kind of dry-type transformer, including cabinet, cabinet are equipped with chamber door, the built-in cored windings section of cabinet, cabinet top Plate is equipped with dust-proof radiating grid；Dust-proof radiating grid include frame, and the frame includes the first side plate and the second side plate, the first side plate And second be equipped with multiple lower spill baffles and multiple upper spill baffles between side plate；The recess of the lower spill baffle is set upward It sets, and there are gaps between two neighboring lower spill baffle；The upper spill baffle be located at two neighboring lower spill baffle it Between gap above, and the recess of upper spill baffle is arranged downward；For there are gaps between lower spill baffle and upper spill baffle.

In preferred scheme, ash collection slot, the notch of ash collection slot are removably equipped with outside the first side plate of the frame It is affixed on the setting of the first side plate；Multiple through holes are offered on first side plate, each is descended spill baffle by the through hole Concave shaped space and ash collection slot space penetrate through.

In preferred scheme, the notch two sides of the ash collection slot are equipped with the first snap-gauge, and the first side plate of frame is equipped with First card slot, first snap-gauge are placed in the first card slot and fix ash collection slot and frame.

In preferred scheme, the top plate of the cabinet includes the first top plate and the second top plate, and the first top plate and second push up Dust-proof radiating grid are equipped on plate；First top plate and the second top plate are connect by hinge with box body wall, the first top plate and the second top Plate forms door structure；Ash collection slot is arranged close to the hinge side, when the first top plate and the second top plate are rotated to perpendicular Histogram to when, ash collection slot is located at the underface of frame, and lower spill baffle is vertically arranged.

In preferred scheme, the second card slot, dust-proof radiating grid two sides are equipped on first top plate and the second top plate Equipped with the second snap-gauge；Dust-proof radiating grid are fixed by the second snap-gauge and the second card slot with the first top plate or the second top plate, the second card Slot is sealed condition at the notch of one end of the hinge.

In preferred scheme, the side of first top plate and the second top plate is hinged with telescopic rod, and described is flexible The bar other end and box body wall are hinged.

In preferred scheme, the cross section of the lower spill baffle and upper spill baffle is in the shape of the letter V, lower spill baffle V-shaped part be arranged upward, the V-shaped part of upper spill baffle is arranged downward.

In preferred scheme, the through hole is tri-angle-holed, described tri-angle-holed two sides and lower spill baffle V Two sides of shape mouth are aligned setting.

In preferred scheme, offer detection hole on the chamber door, detection bore edges are equipped with shaft, the shaft with The connection of glass lens edge；The edge of detection hole is equipped with curved baffle.

In preferred scheme, the curved baffle is located at the lower left of detection hole, and the shaft is located at detection hole Lower right；Curved baffle offers arc groove.

This patent can reach it is following the utility model has the advantages that

1, the top plate of cabinet is equipped with dust-proof radiating grid, deposits between the lower spill baffle and upper spill baffle of dust-proof radiating grid In the gap of air circulation, and upper spill baffle is above the gap between two neighboring lower spill baffle, therefore, dust-proof Heat dissipation grid will not influence the intracorporal heat of case and shed, and the dust of air can also be prevented to drop into cabinet；Dust-proof radiating grid It is mounted on the top plate of cabinet, conducive to quickly shedding for heat；

2, the top plate of cabinet includes the first top plate and the second top plate, and the first top plate and the second top plate form clamshell doors knot Structure, such design are to can be convenient the case where service personnel checks low-voltage busbar because when secretary in charge of something's Repair of Transformer: working as inspection Personnel station is repaired at top of the box, first can first be opened the first top plate, people station operates on the second top plate；It is another when needing to check When one orientation, then by the closing of the first top plate, after people station is on the first top plate, then the second top plate opening operation, when discovery bolt There is the case where loosening；Service personnel just has movable space using spanner, and has the position of standing；

3, multiple through holes are offered on the first side plate, each is descended the concave shaped space of spill baffle by each through hole It is penetrated through with ash collection slot space, and ash collection slot is fixed by the first side plate of the first card slot and the first snap-gauge and frame, it is dust-proof to dissipate Hot grid are fixed by the second snap-gauge and the second card slot with the first top plate or the second top plate；On the one hand the design can be convenient disassembly anti- Dirt heat dissipation grid and ash collection slot；It on the other hand is to be carried out clearly because dry-type transformer can be overhauled periodically when to dust-proof radiating grid When reason, dust-proof radiating grid can be tilted towards ash collection slot side, the dust for descending spill baffle to accumulate in this way will enter to collection ash In slot, ash collection slot is then dismantled again and clears up dust；

Here it is worth noting that: ash collection slot is arranged close to the hinge side, when the first top plate and the second top plate revolve When going to vertical direction, ash collection slot is located at the underface of frame, and lower spill baffle is vertically arranged；When service personnel makes the first top During plate and the second top plate, the dust for descending spill baffle to accumulate in fact, which just comes into ash collection slot, to be suffered, so dust-proof The structure of heat dissipation grid can be convenient cleaning dust；

4, the cross section of lower spill baffle and upper spill baffle is in the shape of the letter V, mainly in view of V-shaped plate is easy to process Production, it is only necessary to weld two rectangular versions；

5, detection hole is the temperature that patrol officer measures dry-type transformer iron core winding for convenience, and glass lens pass through suitable Hour hands and counterclockwise rotation are to realize opening and closure to detection hole；Traditional detection hole is equipped with fixed windowpane, when When measuring temperature, glass can reflect infrared ray, cause the inaccuracy of measurement data；This patent uses the glass mirror of rotary type Piece can will test hole exposing when measuring temperature, when the measurement is completed, detection hole, operation can be blocked with rotary glass eyeglass It is convenient, avoid measurement error.

Detailed description of the invention

The utility model is described in further detail with reference to the accompanying drawings and examples:

Fig. 1 is the utility model front view；

Fig. 2 is the first viewing angle constructions figure of the utility model dust-proof radiating grid；

Fig. 3 is the utility model dust-proof radiating grid overall structure figure, and ash collection slot is not installed at this time；

Fig. 4 is second of viewing angle constructions figure of the utility model dust-proof radiating grid；

Fig. 5 is the utility model ash collection slot structure chart；

Fig. 6 is sectional drawing when the utility model dust-proof radiating grid are mounted on the first top plate；

Fig. 7 is the utility model top view；

Fig. 8 is the utility model right view, and the first top plate has been opened at this time；

Fig. 9 is the utility model curved baffle structure chart.

In figure: cabinet 1, the first top plate 11, the second top plate 12, dust-proof radiating grid 2, lower spill baffle 21, upper spill baffle 22, frame 23, the first side plate 231, the second side plate 232, ash collection slot 24, notch 241, through hole 25, telescopic rod 3, detection hole 4, Curved baffle 5, arc groove 51, the first snap-gauge 6, the first card slot 7, glass lens 8, the second snap-gauge 9, the second card slot 10.

Specific embodiment

Preferred scheme is as shown in Figures 1 to 4, a kind of dry-type transformer, including cabinet 1, and cabinet 1 is equipped with chamber door, case The built-in cored windings section of body 1,1 top plate of cabinet are equipped with dust-proof radiating grid 2；Dust-proof radiating grid 2 include frame 23, the frame Frame 23 includes the first side plate 231 and the second side plate 232, and multiple lower spill gears are equipped between the first side plate 231 and the second side plate 232 Plate 21 and multiple upper spill baffles 22；The recess of the lower spill baffle 21 is arranged upward, and two neighboring lower spill baffle There are gaps between 21；Gap top of the upper spill baffle 22 between two neighboring lower spill baffle 21, and on The recess of spill baffle 22 is arranged downward；For there are gaps between lower spill baffle 21 and upper spill baffle 22；

The dust-proof radiating grid 2 can be used stainless steel plate and be made, and lower spill baffle 21 and upper spill baffle 22 weld On the first side plate 231 and the second side plate 232；Due to upper spill baffle 22 between two neighboring lower spill baffle 21 between Above gap, so the quantity of upper spill baffle 22 is one fewer than lower 21 quantity of spill baffle；It is preferred that lower spill baffle may be selected 21 quantity are 6,600 × 400 × 80mm of size of frame 23.

Preferred scheme is removably equipped with outside the first side plate 231 of frame 23 as shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6 Ash collection slot 24, the notch 241 of ash collection slot 24 are affixed on the setting of the first side plate 231；Multiple through holes are offered on first side plate 231 25, the through hole 25 penetrates through the concave shaped space of each lower spill baffle 21 and 24 space of ash collection slot；

Here it is worth noting that lower spill baffle 21 can tilt certain angle when welding, that is, descend spill baffle 21 It is lower close to 25 one end of through hole；The dust of a part can in this way entered in ash collection slot 24.

For preferred scheme as shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6,241 two sides of notch of ash collection slot 24 are equipped with the first snap-gauge 6, First side plate 231 of frame 23 is equipped with the first card slot 7, first snap-gauge 6 be placed in the first card slot 7 by ash collection slot 24 with Frame 23 is fixed；The width of first snap-gauge 6 is equal to the width of rebate of the first card slot 7.

For preferred scheme as shown in Fig. 1, Fig. 6, Fig. 7 and Fig. 8, the top plate of cabinet 1 includes the first top plate 11 and the second top plate 12, dust-proof radiating grid 2 are equipped on the first top plate 11 and the second top plate 12；First top plate 11 and the second top plate 12 by hinge with The connection of 1 wall of cabinet, the first top plate 11 and the second top plate 12 form door structure；Ash collection slot 24 is close to the hinge side Setting, when the first top plate 11 and the second top plate 12 rotation to vertical direction, ash collection slot 24 is located at the underface of frame 23, recessed Shape baffle 21 is vertically arranged；

Dust-proof radiating grid 2 may be alternatively mounted at the upper surface of the first top plate 11 and the second top plate 12, also may be mounted at The lower surface of one top plate 11 and the second top plate 12, two kinds of installation sites do not influence the effect of dust-proof radiating grid 2；Dust-proof radiating The installation number of grid 2 can be determined according to the first top plate 11 and 12 size of the second top plate.

Preferred scheme is equipped with the second card on the first top plate 11 and the second top plate 12 as shown in Fig. 1, Fig. 6, Fig. 7 and Fig. 8 Slot 10,2 two sides of dust-proof radiating grid are equipped with the second snap-gauge 9；Dust-proof radiating grid 2 pass through the second snap-gauge 9 and the second card slot 10 and first Top plate 11 or the second top plate 12 are fixed, and the second card slot 10 is sealed condition at the notch of one end of the hinge.

Preferred scheme as shown in figs. 1,7 and 8, the side of the first top plate 11 and the second top plate 12 with telescopic rod 3 Hingedly, 3 other end of telescopic rod and 1 wall of cabinet are hinged；The telescopic rod 3 preferably uses flowed friction bar, because of liquid Pressure resistance bar is widely used in car trunk, and technology maturation is reliable；

First top plate 11 and 12 upper surface of the second top plate are equipped with handle, and the first top plate 11 and the second top plate 12 pass through after closing Hinge lock is connected and fixed.

For preferred scheme as shown in Fig. 3, Fig. 4 and Fig. 6, the cross section of lower spill baffle 21 and upper spill baffle 22 is in V The V-shaped part of font, lower spill baffle 21 is arranged upward, and the V-shaped part of upper spill baffle 22 is arranged downward.

Preferred scheme is as depicted in figs. 1 and 2, and through hole 25 is tri-angle-holed, described tri-angle-holed two sides under Two sides of spill baffle 21V shape mouth are aligned setting.

Preferred scheme offers detection hole 4 as shown in Fig. 1 and Fig. 9, on chamber door, and 4 edge of detection hole is equipped with shaft, described Shaft connect with 8 edge of glass lens；The edge of detection hole 4 is equipped with curved baffle 5；

Glass lens 8 use tempered glass, and glass lens 8 can be freely rotated around the shaft, as shown in Fig. 1, After glass lens 8 on the chamber door of left side rotate clockwise, detection hole 4 is exposed；The glass lens 8 of right side chamber door rotate counterclockwise Afterwards, glass lens 8 lean against on curved baffle 5, and detection hole 4 is blocked.

As shown in Fig. 1 and Fig. 9, the curved baffle 5 is located at the lower left of detection hole 4 to preferred scheme, and described turns Axle position is in the lower right of detection hole 4；Curved baffle 5 offers arc groove 51；The width of arc groove 51 and the width of glass lens 8 It is equal.

The installation steps of whole device are as follows:

1, the first snap-gauge 6 of 24 two sides of ash collection slot is inserted into from 7 side of the first card slot, between the first snap-gauge 6 and the first card slot 7 There are stiction, the first snap-gauge 6 will not slide easily in the first card slot 7, the first snap-gauge 6 after installing along with ash collection slot 24 It is horizontally disposed, so the first snap-gauge 6 will not skid off under no artificial action；

2, the first top plate 11 is opened, the second snap-gauge 9 of 2 two sides of dust-proof radiating grid is inserted into from 10 top of the second card slot, and second The notch of 10 lower part of card slot is sealed condition, so dust-proof radiating grid 2 will not be skidded off out of second card slot 10；

3, the first top plate 11 is shut, is loaded onto the dust-proof radiating grid 2 on the second top plate 12 with the method for step 2；

4, the first top plate 11 and the second top plate 12 are closed, and is locked by hinge and locks the first top plate 11 and the second top plate 12；

5, dry-type transformer is being powered in operation, and dust-proof radiating grid 2 can both guarantee good heat dissipation, be also possible to prevent ash Dirt is fallen into cabinet 1；

6, under normal circumstances, glass lens 8 are screwed in in arc groove 51, can preventing external dust or other are dangerous Object enters in cabinet 1, and when patrol officer needs to measure the temperature in cabinet 1, rotary glass eyeglass 8 will test the dew of hole 4 Out, detection device detects the temperature in cabinet 1 through detection hole 4, can bring to avoid glass refraction to measurement result Error.

The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model Protection scope within.

Claims (10)

1. a kind of dry-type transformer, including cabinet (1), cabinet (1) is equipped with chamber door, the built-in cored windings section of cabinet (1), It is characterized by: cabinet (1) top plate is equipped with dust-proof radiating grid (2)；Dust-proof radiating grid (2) include frame (23), the frame (23) include the first side plate (231) and the second side plate (232), be equipped between the first side plate (231) and the second side plate (232) multiple Lower spill baffle (21) and multiple upper spill baffles (22)；The recess of the lower spill baffle (21) is arranged upward, and adjacent There are gaps between two lower spill baffles (21)；The upper spill baffle (22) is located at two neighboring lower spill baffle (21) Between gap above, and the recess of upper spill baffle (22) is arranged downward；Lower spill baffle (21) and upper spill baffle (22) Between for there are gaps.

2. a kind of dry-type transformer according to claim 1, it is characterised in that: the first side plate (231) of frame (23) is outside Portion is removably equipped with ash collection slot (24), and the notch (241) of ash collection slot (24) is affixed on the first side plate (231) setting；First side plate (231) it is offered on multiple through holes (25), each is descended the concave shaped space of spill baffle (21) by the through hole (25) It is penetrated through with ash collection slot (24) space.

3. a kind of dry-type transformer according to claim 2, it is characterised in that: notch (241) two sides of ash collection slot (24) Equipped with the first snap-gauge (6), the first side plate (231) of frame (23) is equipped with the first card slot (7), and first snap-gauge (6) is set In in the first card slot (7) that ash collection slot (24) and frame (23) are fixed.

4. a kind of dry-type transformer according to claim 1 or 2, it is characterised in that: the top plate of cabinet (1) includes the first top Dust-proof radiating grid (2) are equipped on plate (11) and the second top plate (12), the first top plate (11) and the second top plate (12)；First top plate (11) it is connect with cabinet (1) wall with the second top plate (12) by hinge, the first top plate (11) and the second top plate (12) form pair Opening structure；Ash collection slot (24) is arranged close to the hinge side, when the first top plate (11) and the second top plate (12) rotate extremely When vertical direction, ash collection slot (24) is located at the underface of frame (23), and lower spill baffle (21) is vertically arranged.

5. a kind of dry-type transformer according to claim 4, it is characterised in that: the first top plate (11) and the second top plate (12) On be equipped with the second card slot (10), dust-proof radiating grid (2) two sides be equipped with the second snap-gauge (9)；Dust-proof radiating grid (2) pass through the second card Plate (9) and the second card slot (10) and the first top plate (11) or the second top plate (12) are fixed, and the second card slot (10) is close to the hinge One end notch at be sealed condition.

6. a kind of dry-type transformer according to claim 4, it is characterised in that: the first top plate (11) and the second top plate (12) Side with telescopic rod (3) hingedly, the telescopic rod (3) other end and cabinet (1) wall are hinged.

7. a kind of dry-type transformer according to claim 1, it is characterised in that: lower spill baffle (21) and upper spill baffle (22) cross section is in the shape of the letter V, and the V-shaped part of lower spill baffle (21) is arranged upward, and the V-shaped part of upper spill baffle (22) is downward Setting.

8. a kind of dry-type transformer according to claim 1 or claim 7, it is characterised in that: through hole (25) is tri-angle-holed, institute Tri-angle-holed two stated are aligned setting in two with lower spill baffle (21) V-shaped part.

9. a kind of dry-type transformer according to claim 1, it is characterised in that: offer detection hole (4), detect on chamber door Hole (4) edge is equipped with shaft, and the shaft is connect with glass lens (8) edge；The edge of detection hole (4) is equipped with curved baffle (5).

10. a kind of dry-type transformer according to claim 9, it is characterised in that: the curved baffle (5) is located at detection The lower left in hole (4), the shaft are located at the lower right of detection hole (4)；Curved baffle (5) offers arc groove (51).