CN209168916U - A kind of compact resin pours dry-type transformer - Google Patents

Abstract

The utility model discloses a kind of compact resins to pour dry-type transformer, including iron core, the outer wall of the iron core is wound with low-voltage coil, the outer wall of the low-voltage coil is wound with glass fabric, the outer wall of the glass fabric is wound with high-tension coil, the outer wall of the high-tension coil is enclosed with resin covering, and the top of the resin covering is connected with upper bracket.The compact resin pours dry-type transformer, with good flame retardant property and humidity resistance, it is environment friendly and pollution-free, high-tension coil is by aluminium foil and good insulation foil coiling, improve the anti-cracking ability of winding, it is able to bear very high power-frequency voltage and surge voltage, it is insulated among low pressure winding with resin immersion-type glass fabric, complete the isolation for electrostatic efficiency, so that the work of system not will receive the interference of electrostatic, system is allowed only to work under electromagnetic induction, while there is good heat dissipation effect, it avoids transformer from damaging, improves working efficiency.

Description

A kind of compact resin pours dry-type transformer

Technical field

The utility model relates to transformer technology field, specially a kind of compact resin pours dry-type transformer.

Background technique

Dry-type transformer is widely used in local lighting, skyscraper, airport, the places such as harbour CNC mechanical equipment, simply The transformer said dry-type transformer and just refer to that iron core and winding are not immersed in insulating oil, be the core component in circuit, it is existing There is technology to disclose a kind of Patent No.: 201720108613.6 compact dry-type transformer, although structure is simple, knot Structure is insecure, and heat dissipation effect is bad, and winding intensity is inadequate, unbearable higher power-frequency voltage and surge voltage, winding Anti-cracking ability is very poor.

Utility model content

The purpose of this utility model is to provide a kind of compact resins to pour dry-type transformer, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of compact resin pours dry type transformation Device, including iron core, the outer wall of the iron core are wound with low-voltage coil, and the outer wall of the low-voltage coil is wound with glass fabric, The outer wall of the glass fabric is wound with high-tension coil, and the outer wall of the high-tension coil is enclosed with resin covering, the resin The top of covering is connected with upper bracket, and the bottom end of the resin covering is connected with lower bracket, and the upper bracket passes through the first screw It being connect with outer casing screw, the lower bracket is connect by the second screw with outer casing screw, and the top of the shell is connected with top plate, The top of the top plate is connected with multiple binding posts, and the top of the low-voltage coil and high-tension coil is connected with wiring, described Wiring runs through upper bracket and shell, and the wiring and binding post are affixed, and the tow sides of the shell are connected with the first frame, The inner cavity of first frame is connected with the first heat sink, and the left and right sides of the shell is connected with the second frame, and described The inner cavity of two frames is connected with the second heat sink.

Preferably, it is connected with steelframe at left and right sides of the bottom end of the shell, the center of the steelframe is connected with cross Plate, the front center position of the transverse slat are plugged with pin shaft, and the transverse slat is movably connected by pin shaft and idler wheel.

Preferably, the affixed rubber sleeve of the outer wall of the idler wheel.

Preferably, the top of the steelframe is connected with reinforcing rib, and the reinforcing rib and shell are affixed.

Preferably, the outer wall of first screw is socketed with the first gasket, and first gasket is affixed with upper bracket.

Preferably, the outer wall of second screw is socketed with the second gasket, and second gasket is affixed with lower bracket.

Compared with prior art, the utility model has the beneficial effects that the compact resin pours dry-type transformer, pass through Heat cured resin covering wraps up coil, carries out insulation processing, while having good flame retardant property and humidity resistance, environmental protection Pollution-free, high-tension coil is by aluminium foil and good insulation foil coiling, because of the thermal expansion coefficient very phase of aluminium foil and casting resin Closely, thermal stress caused by being changed by load remains to minimum to improve the anti-cracking ability of winding, is able to bear very High power-frequency voltage and surge voltage, the dielectric stress very little of low pressure winding, this winding by individual aluminium foil or copper foil coiling and At centre resin immersion-type glass fabric insulate, and isolation for electrostatic efficiency is completed, so that the work of system will not be by To the interference of electrostatic, system is allowed only to work under electromagnetic induction, while there is good heat dissipation effect, transformer is avoided to damage, Improve working efficiency.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the attachment structure schematic diagram of the resin covering of Fig. 1, upper bracket, lower bracket and shell；

Fig. 3 is the attachment structure schematic diagram of the iron core of Fig. 1, low-voltage coil, glass fabric and high-tension coil；

Fig. 4 is the attachment structure schematic diagram of the steelframe of Fig. 1, transverse slat, pin shaft and idler wheel.

In figure: 1, iron core, 2, low-voltage coil, 3, glass fabric, 4, high-tension coil, 5, resin covering, 6, upper bracket, 7, Lower bracket, 8, shell, 9, top plate, 10, binding post, 11, wiring, the 12, first screw, the 13, second screw, the 14, first frame, 15, the first heat sink, the 16, second frame, the 17, second heat sink, 18, steelframe, 19, transverse slat, 20, pin shaft, 21, idler wheel, 22, rubber Gum cover, 23, reinforcing rib, the 24, first gasket, the 25, second gasket.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-4, the utility model provides a kind of technical solution: a kind of compact resin pours dry-type transformer, Including iron core 1, the outer wall of iron core 1 is wound with low-voltage coil 2, and the outer wall of low-voltage coil 2 is wound with glass fabric 3, glass fibers Dimension cloth 3 is impregnated with resin, completes isolation for electrostatic efficiency, so that the work of system not will receive the interference of electrostatic, is allowed and is System only works under electromagnetic induction, improves working efficiency, the outer wall of glass fabric 3 is wound with high-tension coil 4, high-tension coil 4 outer wall is enclosed with resin covering 5, carries out insulation processing, while having good flame retardant property and humidity resistance, and environmental protection is without dirt Dye, the top of resin covering 5 is connected with upper bracket 6, to be connected with lower bracket 7 with the bottom end of external connection, resin covering 5, To with external connection, upper bracket 6 is threadedly coupled by the first screw 12 with shell 8, and lower bracket 7 is by the second screw 13 and outside Shell 8 be threadedly coupled so that transformer links together with shell 8, the top of shell 8 is connected with top plate 9 so that top plate 9 with outside Shell 8 is fixed together, and the top of top plate 9 is connected with multiple binding posts 10, transformer to be connected with outside, low-voltage coil 2 It is connected with wiring 11 with the top of high-tension coil 4, wiring 11 runs through upper bracket 6 and shell 8, and wiring 11 and binding post 10 are solid Connect so that transformer connects with binding post 10, the tow sides of shell 8 are connected with the first frame 14, the first frame 14 it is interior Chamber is connected with the first heat sink 15, and the first heat sink 15 is aluminum material, radiates convenient for transformer, the left and right sides of shell 8 is equal It is connected with the second frame 16, the inner cavity of the second frame 16 is connected with the second heat sink 17, and the second heat sink 17 is aluminum material, just It radiates in transformer, is connected with steelframe 18 at left and right sides of the bottom end of shell 8, so that steelframe 18 is fixed together with shell 8, steel The center of frame 18 is connected with transverse slat 19, so that transverse slat 19 is fixed together with steelframe 18, the front center position of transverse slat 19 It is plugged with pin shaft 20, transverse slat 19 is movably connected by pin shaft 20 with idler wheel 21, allows idler wheel 21 by pin shaft 20 in transverse slat It is rotated in 19, is readily transported transformer, the affixed rubber sleeve 22 of the outer wall of idler wheel 21 increases the frictional force on idler wheel 21, steelframe 18 top is connected with reinforcing rib 23, and reinforcing rib 23 and shell 8 are affixed, so that steelframe 18 connect more firm with shell 8, the The outer wall of one screw 12 is socketed with the first gasket 24, and the first gasket 24 is affixed with upper bracket 6, avoids upper bracket 6 by the first screw 12 damages, the outer wall of the second screw 13 are socketed with the second gasket 25, and the second gasket 25 is affixed with lower bracket 7, avoids 7 quilt of lower bracket The damage of second screw 13.

When staff needs the compact resin to pour dry-type transformer work, 5 packets are kept with heat cured resin Iron core 1, low-voltage coil 2, glass fabric 3 and high-tension coil 4 are wrapped, heat cured resin covering 5 has good anti-flammability Can and humidity resistance, while it is environment friendly and pollution-free, with glass fabric 3 complete the insulation for low-voltage coil 2 and high-tension coil 4 every From glass fabric 3 is impregnated with resin, the isolation for electrostatic efficiency is completed, so that the work of system not will receive electrostatic Interference allows system only to work under electromagnetic induction, improves working efficiency, high-tension coil 4 by aluminium foil and good insulation foil around System, because the thermal expansion coefficient of aluminium foil and casting resin is very close, thermal stress caused by being changed by load remains to minimum journey Degree is able to bear very high power-frequency voltage and surge voltage to improve the anti-cracking ability of winding, with the first frame 14, the One heat sink 15, the second frame 15 and the second heat sink 17 are connect with shell 8, and the first heat sink 15 and the second heat sink 17 are Aluminum material avoids transformer from damaging because of high temperature convenient for the heat dissipation of transformer, passes through pin shaft 20 and 19 phase of transverse slat with idler wheel 21 Even, allow transformer mobile by idler wheel 21, carried convenient for the transport of transformer.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", The orientation or position of the instructions such as " middle part ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " Relationship is set to be merely for convenience of describing the present invention and simplifying the description based on orientation or positional relationship described in attached drawing, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It should not be understood as limiting the present invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", The terms such as " fixation ", " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or at one Body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can To be the interaction relationship of connection or two elements inside two elements, unless otherwise restricted clearly, for this field Those of ordinary skill for, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of compact resin pours dry-type transformer, including iron core (1), it is characterised in that: the outer wall of the iron core (1) twines It is wound with low-voltage coil (2), the outer wall of the low-voltage coil (2) is wound with glass fabric (3), the glass fabric (3) Outer wall is wound with high-tension coil (4), and the outer wall of the high-tension coil (4) is enclosed with resin covering (5), the resin covering (5) Top be connected with upper bracket (6), the bottom end of the resin covering (5) is connected with lower bracket (7), and the upper bracket (6) passes through First screw (12) is threadedly coupled with shell (8), and the lower bracket (7) is threadedly coupled by the second screw (13) with shell (8), The top of the shell (8) is connected with top plate (9), and the top of the top plate (9) is connected with multiple binding posts (10), the low pressure The top of coil (2) and high-tension coil (4) is connected with wiring (11), and the wiring (11) runs through upper bracket (6) and shell (8), the wiring (11) and binding post (10) are affixed, and the tow sides of the shell (8) are connected with the first frame (14), institute The inner cavity for stating the first frame (14) is connected with the first heat sink (15), and the left and right sides of the shell (8) is connected with the second frame The inner cavity of frame (16), second frame (16) is connected with the second heat sink (17).

2. a kind of compact resin according to claim 1 pours dry-type transformer, it is characterised in that: the shell (8) Bottom end at left and right sides of be connected with steelframe (18), the center of the steelframe (18) is connected with transverse slat (19), the transverse slat (19) front center position is plugged with pin shaft (20), and the transverse slat (19) is movably connected by pin shaft (20) with idler wheel (21).

3. a kind of compact resin according to claim 2 pours dry-type transformer, it is characterised in that: the idler wheel (21) The affixed rubber sleeve of outer wall (22).

4. a kind of compact resin according to claim 2 pours dry-type transformer, it is characterised in that: the steelframe (18) Top be connected with reinforcing rib (23), the reinforcing rib (23) and shell (8) are affixed.

5. a kind of compact resin according to claim 1 pours dry-type transformer, it is characterised in that: first screw (12) outer wall is socketed with the first gasket (24), and first gasket (24) is affixed with upper bracket (6).

6. a kind of compact resin according to claim 1 pours dry-type transformer, it is characterised in that: second screw (13) outer wall is socketed with the second gasket (25), and second gasket (25) is affixed with lower bracket (7).