CN218768992U - Transformer and have cabinet that pulls of this transformer - Google Patents

Abstract

The utility model provides a transformer and have cabinet that pulls of this transformer belongs to and pulls cabinet equipment technical field, this novel pull cabinet, the flat line is in horizontal flat state, first insulating clearance has between primary coil and the secondary coil, first insulating clearance forms first ventilation passageway, second insulating clearance has between the adjacent two-layer coil of primary coil and secondary coil, second insulating clearance forms second ventilation passageway. The utility model has the advantages that: all there is independent heat dissipation wind channel between every copper line, can the effectual coil heat dispersion who increases the transformer, like this under the equal iron core area, because of the improvement of heat dispersion performance, under the condition of carrying equal electric current, the coil volume that needs to use can show the reduction, so earlier than with old-fashioned transformer, save the wire rod more, the cost is cheaper, and the performance is more superior.

Description

Transformer and have cabinet that pulls of this transformer

Technical Field

The utility model belongs to the technical field of pull cabinet equipment, concretely relates to transformer and have pull cabinet of this transformer.

Background

The flat copper wire is adopted by the old-fashioned transformer coil, when the coil is wound, the flat copper wire is in a vertical state, the winding method belongs to a laminated trial winding method, one layer is laminated, no heat dissipation space exists between each layer, only the highland barley paper is isolated between the primary coil and the secondary coil, no heat dissipation channel exists, heat gathering cannot be effectively dissipated, in order to increase power, the power can be increased only by increasing the cross section area of the copper wire, the material waste is caused, the cost is high, and the heat dissipation performance is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer and have cabinet that pulls of this transformer aims at solving old-fashioned transformer copper line coil winding mode and leads to the great problem of heat dispersion part and copper line use amount.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transformer, includes iron core and coil, the coil includes primary coil and secondary coil, primary coil and secondary coil all have the multilayer, the coil is the flat wire, the flat wire is in horizontal flat state, first insulating gap has between primary coil and the secondary coil, first insulating gap forms first ventilation passageway, second insulating gap has between the adjacent two-layer coil of primary coil and secondary coil, second insulating gap forms second ventilation passageway.

In order to make the coil in this kind of transformer can be more stable, as the utility model relates to an it is preferred, be equipped with the support component who is used for playing support and fixed action to the coil position on primary coil and the secondary coil respectively, be equipped with the clamping part who is used for compressing tightly the coil about the transformer between the both ends.

In order to make this kind of transformer can fix adjacent two-layer coil better, as the utility model relates to an it is preferred, the support component includes a plurality of insulating support monomers, support the monomer setting between primary coil and secondary coil's adjacent two-layer coil.

Preferably, both sides are equipped with the fixed slot that is used for holding the coil respectively about supporting the monomer, the joint mouth has still been seted up on the support monomer, still be equipped with the inserted block on the support monomer, be located the upper strata the inserted block can insert in the joint mouth of its adjacent lower floor.

Specifically, the supporting unit can also be a dry wood sheet, a ceramic sheet or a rubber mat.

In order to make this kind of transformer can compress tightly the coil at the upper and lower both ends of iron core, as the utility model relates to an it is preferred, the centre gripping part is including the cramping body that is located both ends about the iron core, be equipped with the cushion that is used for compressing tightly the coil on the cramping body, two be equipped with the locking mechanism who is used for adjusting its distance between the cramping body.

The clamping body is a channel steel, the cushion block comprises a base welded to the channel steel, a skid in contact with a coil is arranged in the base, the locking mechanism comprises a connecting rod installed between an upper channel steel and a lower channel steel, and locking nuts are arranged at two ends of the upper end of the connecting rod.

In order to make this kind pull cabinet possess better performance, conduct the utility model relates to an it is preferred, the internal major control system who is used for protection circuit that is equipped with of cabinet, the internal radiator unit that still is equipped with of cabinet.

Preferably, the master control system is a digital chip control system, the digital chip control system comprises three rectifying modules, and the digital chip control system is used for controlling the conditions of overcurrent, overheating and short circuit of the circuit and the heat dissipation assembly.

In order to make this kind draw cabinet to have better heat dispersion, conduct the utility model relates to an it is preferred, the internal layering plate that is equipped with of cabinet, the lower floor at the layering plate is installed to the transformer, digital chip control system installs the upper strata at the layering plate, radiator unit is including offering the air intake on the cabinet body, the air intake corresponds with three rectifier module, the wind-guiding mouth has been seted up on the layering plate, cabinet body rear side is equipped with the air outlet, air outlet department is equipped with radiator fan.

Compared with the prior art, the beneficial effects of the utility model are that:

1. an independent heat dissipation air channel is arranged between each copper wire, so that the coil heat dissipation performance of the transformer can be effectively improved, and the coil quantity required to be used is obviously reduced under the condition of conveying the same current due to the improvement of the heat dissipation performance under the condition of the same iron core area, so that wires are saved, the cost is lower, and the performance is more excellent compared with an old transformer;

2. after the usage amount of the coil is remarkably reduced, the total weight of the traction cabinet is remarkably reduced, and a digital chip control system is used in a matched mode, so that a separation component and an old-fashioned radiator used for old-fashioned rectification are eliminated. The traction cabinet has the advantages that the traction cabinet is smaller in size, lighter in weight, more compact in structure, higher in internal space utilization rate, more reasonable in component distribution, smaller in cabinet body and reduced in coil weight, the total weight of the traction cabinet can be reduced by more than half, and the traction cabinet is more convenient to transport in a roadway, mount and use;

3. the air inlet, the air guide opening and the air outlet on the traction cabinet form a heat dissipation channel passing through the three-phase rectifier module and the transformer, so that heat generated in the working process of the control system and the transformer can be effectively taken away, and the working performance of the traction cabinet is obviously improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of a main visual axis of a traction cabinet according to an embodiment of the present invention;

fig. 2 is a rear view axis view of the traction cabinet according to an embodiment of the present invention;

fig. 3 is a sectional top view axial view of the traction cabinet according to an embodiment of the present invention;

fig. 4 is a cut-away schematic view of a traction cabinet in an embodiment of the present invention;

fig. 5 is a schematic sectional rear view of a traction cabinet according to an embodiment of the present invention;

fig. 6 is an axial view of a transformer according to an embodiment of the present invention;

fig. 7 is an enlarged view of the embodiment of the present invention shown in fig. 4 at a;

fig. 8 is an enlarged view of the embodiment of the present invention shown in fig. 5 at B;

fig. 9 is an axial view of a support unit according to an embodiment of the present invention.

In the figure: 1. a cabinet body; 2. a transformer; 3. a heat dissipating component; 4. a three-phase rectification module; 5. a laminate; 31. an air inlet; 32. a wind guide opening; 33. an air outlet; 21. an iron core; 22. a primary coil; 23. a secondary coil; 6. a first ventilation channel; 7. a second ventilation channel; 8. a support member; 9. a clamping member; 81. a support unit; 811. fixing grooves; 812. a card interface; 813. inserting a block; 91. a clamping body; 92. cushion blocks; 93. and (4) a locking mechanism.

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.

Referring to fig. 4-9, the present invention provides the following technical solutions: the utility model provides a transformer, includes iron core 21 and coil, the coil includes primary coil 22 and secondary coil 23, primary coil 22 and secondary coil 23 all have the multilayer, the coil is the flat line, the flat line is in horizontal flat state, first insulation clearance has between primary coil 22 and the secondary coil 23, first insulation clearance forms first ventilation passageway 6, second insulation clearance has between the two-layer coil that primary coil 22 and secondary coil 23 are adjacent, second insulation clearance forms second ventilation passageway 7.

The utility model discloses an in the embodiment, what the coil adopted is flat copper line, the winding of coil on iron core 21 all adopts vertical winding method, the coil divide into primary coil 22 and outer secondary coil 23 of nexine, the two embolias on transformer 2's iron core 21, make and form first ventilation passageway 6 between primary coil 22 and the secondary coil 23, and form second ventilation passageway 7 between primary coil 22 and the adjacent two-layer coil of secondary coil 23, thus, all have independent radiating air duct between the every copper line, can effectual increase transformer 2's coil heat dispersion, like this under the equal iron core 21 area, because of the improvement of heat dispersion, under the condition of carrying equal electric current, the coil volume that needs to use can be showing the reduction, so compare earlier with old-fashioned transformer 2, save the wire rod more, the cost is cheaper, and the performance is more superior.

Referring to fig. 6-9, the primary winding 22 and the secondary winding 23 are respectively provided with a supporting member 8 for supporting and fixing the winding position, and a clamping member 9 for pressing the winding is provided between the upper and lower ends of the transformer 2;

support component 8 is used for playing the fixed action to the coil that twines, maintain the stability of coil position, increase the stability in the transformer 2 working process, improve transformer 2's performance, simultaneously, guarantee the stability of first ventilation passageway 6 and second ventilation passageway 7, maintain the good heat dispersion of transformer 2, and clamping component 9 is used for playing clamping effect to the coil that twines well, prevent that the coil that twines well is not hard up, avoid technical defects such as magnetic leakage to appear in transformer 2.

Referring to fig. 7-9, the supporting member 8 includes a plurality of insulating supporting units 81, the supporting units 81 are disposed between two adjacent layers of the primary coil 22 and the secondary coil 23, and a plurality of supporting units 81 are disposed between each layer of the coils for increasing stability between the two adjacent layers of the coils.

Preferably, fixing grooves 811 for accommodating coils are respectively arranged on the upper side and the lower side of the supporting single body 81, a clamping interface 812 is further formed on the supporting single body 81, an insertion block 813 is further arranged on the supporting single body 81, and the insertion block 813 on the upper layer can be inserted into the clamping interface 812 on the lower layer adjacent to the upper layer;

the fixing groove 811 is used for fixing the coil, preventing the coil from moving outwards or inwards, maintaining the stability of the position of the coil, and simultaneously isolating the primary coil 22 from the secondary coil 23 to form a first ventilation channel 6 for enhancing the heat dissipation performance, and dividing the front of two adjacent layers of coils to form a second ventilation channel 7 for heat dissipation, so that the heat dissipation performance of the transformer 2 is further increased, the current bearing capacity of the coil under the iron core 21 with the same size is improved, and the performance of the transformer is more excellent;

the plug block 813 is matched with the plug interface, so that a finished supporting part 8 is formed by combining the supporting single bodies 81 which are opposite up and down on the primary coil 22 and the secondary coil 23, and is used for fixing the coils, and the damage of the supporting single bodies 81 to the coils is reduced while the coils are clamped;

it should be noted that the supporting units 81 used on the primary coil 22 and the secondary coil 23 are aligned and contacted with each other, which serves to further increase the stability of the primary coil 22 and the secondary coil 23.

Specifically, the supporting unit 81 may also be a dry wood sheet, a ceramic sheet or a rubber pad, and these materials may also be used to replace the supporting unit 81 with the fixing groove 811, so as to support the coil and increase the stability.

Referring to fig. 4 and 5, the clamping member 9 includes clamping bodies 91 located at the upper and lower ends of the iron core 21, the clamping bodies 91 are provided with spacers 92 for compressing the coil, and a locking mechanism 93 for adjusting the distance between the two clamping bodies 91 is provided;

locking mechanism 93 is when locking for the distance shortens between the clamping body 91 of upper end and the clamping body 91 of lower extreme, realizes compressing tightly and fixed to the coil through cushion 92, and wherein cushion 92 is used for playing the guard action to the coil, prevents that the tight dynamics of clamp of clamping body 91 is too big, and presss from both sides and injures the coil, thereby under the tight prerequisite of assurance clamp, guarantees the safety of coil.

Further, the clamping body 91 is a channel steel, the cushion block 92 comprises a base welded on the channel steel, a skid contacted with the coil is arranged in the base, the locking mechanism 93 comprises a connecting rod arranged between an upper channel steel and a lower channel steel, and two ends of the upper end of the connecting rod are provided with locking nuts; channel-section steel intensity is high, and stability is good, can be applied to the tight function of clamp to the coil, and lumber skid low cost and insulating properties are good, possess certain toughness simultaneously, can play the guard action to the coil when pressing from both sides tight coil, both ends are provided with the screw thread about the connecting rod to both ends are connected with the channel-section steel about the connecting rod, and under lock nut's effect, distance between the both sides channel-section steel about can be convenient regulation realizes compressing tightly and fixing the coil.

Referring to fig. 1-5, a main control system for protecting a circuit is arranged in the cabinet body 1, and a heat dissipation assembly 3 is further arranged in the cabinet body 1;

the heat dissipation assembly 3 accelerates the circulation of air in the cabinet body 1, and can play the cooling function to the main control system and the transformer 2 simultaneously, especially the transformer 2, under the centre gripping of heat dissipation assembly 3, the power promotion is more showing, and the new ability is more superior.

Referring to fig. 3-5, the main control system is a digital chip control system, the digital chip control system includes three rectifier modules 4, and the digital chip control system is used for controlling the conditions of overcurrent, overheat and short circuit of the circuit and the heat dissipation assembly 3;

a digital chip control system is used to get rid of the separation component and the old radiator used in the old rectification. Make the cabinet body that pulls in this application 1 long-pending littleer, the quality is lighter, and the structure is compacter, and interior space utilization is higher, and components and parts distribute more rationally, and especially the coil use amount reduces for the weight of pulling the cabinet reduces by a wide margin, shows data display, and old-fashioned cabinet size of pulling is: 170cm in height, 80cm in width, 60cm in thickness and 300 kg in weight; and the novel traction cabinet using the transformer 2 in the application has the dimensions as follows: the height is 75cm, the width is 50cm, the thickness is 36cm, the weight is only 150 kilograms, and the tunnel is more convenient to transport, install and use;

and neotype pulls the cabinet, and the panel only has instrument and pilot lamp, does not have traditional start, stop button, only has a total air switch, need not extra operation after the combined floodgate power transmission, and equipment can steady operation, and the operation is more simple and convenient, and control is more accurate, is favorable to long-term unmanned maintenance operation.

Referring to fig. 3-5, a layered plate 5 is disposed in the cabinet body 1, the transformer 2 is mounted on a lower layer of the layered plate 5, the digital chip control system is mounted on an upper layer of the layered plate 5, the heat dissipation assembly 3 includes an air inlet 31 disposed on the cabinet body 1, the air inlet 31 corresponds to the three rectifier modules 4, an air guiding opening 32 is disposed on the layered plate 5, an air outlet 33 is disposed at a rear side of the cabinet body 1, and a heat dissipation fan is disposed at the air outlet 33;

the cabinet body 1 is designed integrally and forms a unique air channel, cold air enters from an air inlet 31 on one side of the cabinet body 1 and flows through the three-phase rectifier module to dissipate heat, and then the cold air sinks to the transformer 2 through an air guide opening 32 and passes through the air channel of the coil to take away a large amount of heat energy and finally flows out through a cooling fan.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A transformer comprises an iron core (21) and a coil, wherein the coil comprises a primary coil (22) and a secondary coil (23), the primary coil (22) and the secondary coil (23) are both provided with multiple layers, the coil is a flat wire, and the flat wire is in a horizontal flat state, a first insulation gap is arranged between the primary coil (22) and the secondary coil (23) and forms a first ventilation channel (6), a second insulation gap is arranged between two adjacent layers of the primary coil (22) and the secondary coil (23), and the second insulation gap forms a second ventilation channel (7).

2. A transformer according to claim 1, characterised in that: and the primary coil (22) and the secondary coil (23) are respectively provided with a supporting component (8) for supporting and fixing the coil position, and a clamping component (9) for pressing the coil is arranged between the upper end and the lower end of the transformer (2).

3. A transformer according to claim 2, characterised in that: the supporting component (8) comprises a plurality of insulating supporting single bodies (81), and the supporting single bodies (81) are arranged between two adjacent layers of coils of the primary coil (22) and the secondary coil (23).

4. A transformer according to claim 3, characterised in that: support both sides are equipped with fixed slot (811) that are used for holding the coil respectively about monomer (81), joint interface (812) have still been seted up on support monomer (81), still be equipped with inserted block (813) on support monomer (81), be located the upper strata inserted block (813) can insert in joint interface (812) of its adjacent lower floor.

5. A transformer according to claim 3 or 4, characterised in that: the supporting unit (81) can also be a dry wood chip, a ceramic chip or a rubber mat.

6. A transformer according to claim 2, characterised in that: the clamping component (9) comprises clamping bodies (91) which are positioned at the upper end and the lower end of the iron core (21), wherein cushion blocks (92) used for compressing the coil are arranged on the clamping bodies (91), and a locking mechanism (93) used for adjusting the distance between the clamping bodies (91) is arranged between the two clamping bodies (91).

7. A transformer according to claim 6, characterised in that: the clamping body (91) is a channel steel, the cushion block (92) comprises a base welded on the channel steel, a skid in contact with a coil is arranged in the base, the locking mechanism (93) comprises a connecting rod arranged between an upper channel steel and a lower channel steel, and locking nuts are arranged at two ends of the upper end of the connecting rod.

8. The utility model provides a pull cabinet, includes the cabinet body (1), its characterized in that: the transformer (2) as claimed in any one of claims 1 to 7 is arranged in the cabinet body (1), a main control system for protecting a circuit is arranged in the cabinet body (1), and a heat dissipation assembly (3) is further arranged in the cabinet body (1).

9. A traction cabinet according to claim 8, wherein: the main control system is a digital chip control system, the digital chip control system comprises three rectifying modules (4), and the digital chip control system is used for controlling the conditions of overcurrent, overheat and short circuit of a circuit and a heat dissipation assembly (3).

10. A traction cabinet according to claim 9, wherein: the improved air-conditioning cabinet is characterized in that a layered plate (5) is arranged in the cabinet body (1), the transformer (2) is arranged on the lower layer of the layered plate (5), the digital chip control system is arranged on the upper layer of the layered plate (5), the heat dissipation assembly (3) comprises an air inlet (31) formed in the cabinet body (1), the air inlet (31) corresponds to the three rectifier modules (4), an air guide opening (32) is formed in the layered plate (5), an air outlet (33) is formed in the rear side of the cabinet body (1), and a heat dissipation fan is arranged at the air outlet (33).

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