Filter reactor

Abstract

A filter reactor comprises an iron core arranged on a base, a coil is arranged on the periphery of the iron core, the coil is a resin pouring coil, a heat dissipation shell is arranged on the outer side of the coil and / or the iron core, a certain distance is kept between the coil and the iron core, a heat dissipation outlet is formed in the top of the heat dissipation shell, and a cold air inlet is formed in the bottom of the heat dissipation shell. A heat dissipation channel is formed among the inner wall of the heat dissipation shell, the coil and the iron core, one end of the heat dissipation channel is communicated with the cold air inlet, and the other end of the heat dissipation channel is communicated with the heat dissipation outlet. One end of the upper aluminum bar penetrates out of the side wall of the heat dissipation shell, and the lower aluminum bar penetrates out of the cold air inlet. The heat dissipation shell comprises a top frame located at the top, a left wall plate and a right wall plate which are located on the left side and the right side respectively, and a front wall plate and a rear wall plate which are located on the front side and the rear side respectively. The utility model has the characteristic of stable and reliable operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filter reactor. BACKGROUND

[0002] A kind of photovoltaic energy storage cabinet filter reactor is disclosed in Chinese patent document No.CN 216562716 U on May 17, 2022, including E-type core column, the E-type core column is wound with three groups of coils, and the two ends of each coil are connected with first conductive row and second conductive row respectively, the coil includes: one end of each first conductive row is connected with the inner part of the outer circle of each coil, and the other end extends to the outside of the coil;Each second conductive row includes first wiring part and first bending part, one end of each first wiring part is connected with the inner part of the inner circle of each coil, and the other end extends to the outside of the coil and connects the one end of the first bending part, the other end of two first bending parts is connected with second bending part and third bending part respectively.This kind of filter reactor is not ideal in withstanding large current impact and insulation performance because of using ordinary coil, and therefore needs to be improved. SUMMARY

[0003] The utility model aims at providing a kind of filter reactor stable and reliable in operation to overcome the deficiencies in the prior art.

[0004] A kind of filter reactor designed according to the purpose, including the iron core being arranged on base, coil is arranged around the iron core, it is characterized in that the coil is resin cast coil, the outer side of the coil and / or the iron core is provided with the heat dissipation shell with a certain interval, the top of the heat dissipation shell is provided with heat dissipation outlet, the bottom of the heat dissipation shell is provided with cold air inlet, the inner wall of the heat dissipation shell and the coil and the iron core form heat dissipation channel, one end of the heat dissipation channel is communicated with the cold air inlet, the other end of the heat dissipation channel is communicated with the heat dissipation outlet.

[0005] Further, the upper and lower ends of the coil are respectively provided with upper aluminum row and lower aluminum row, one end of the upper aluminum row is worn out from the side wall of the heat dissipation shell, and the lower aluminum row is worn out from the cold air inlet.

[0006] Further, the heat dissipation shell comprises a top frame at the top, a left wall plate and a right wall plate at the left and right sides respectively, and a front wall plate and a rear wall plate at the front and rear sides respectively, the middle of the top frame is a heat dissipation outlet, the middle of the top frame is provided with a supporting foot downward, the iron core comprises an upper iron core at the upper part, a middle iron core at the middle part and a lower iron core at the lower part, the coil is arranged around the middle iron core, the upper iron core is clamped between a first upper clamp and a second upper clamp, the lower iron core is clamped between a first lower clamp and a second lower clamp, a top frame cross beam spans the first upper clamp and the second upper clamp, and the left wall plate, the right wall plate, the front wall plate and the rear wall plate are respectively connected with the outer wall of the top frame.

[0007] Further, the front wall plate is provided with a second positioning hole and a third positioning hole respectively, one end of an upper connecting piece is connected with the first upper clamp, the other end of the upper connecting piece passes through the second positioning hole and is connected with one end of a wire fixing plate outside the front wall plate, one end of an upper aluminum row is electrically connected with the coil, the other end of the upper aluminum row passes through the third positioning hole, an aluminum row fixing row is connected with the middle part of the upper aluminum row, and the aluminum row fixing row is connected with the wire fixing plate.

[0008] Further, the coil and the upper aluminum row are three respectively, the aluminum row fixing row is connected with the three upper aluminum rows respectively, and the wire fixing plate is two and symmetrically arranged left and right.

[0009] Further, the other end of the wire fixing plate is connected with one end of a lower connecting piece, and the other end of the lower connecting piece is connected with the first lower clamp.

[0010] Further, the second upper clamp is connected with one end of a clamping plate fixing plate, the rear wall plate is provided with a first positioning hole, and the other end of the clamping plate fixing plate passes through the first positioning hole rearward.

[0011] Further, the clamping plate fixing plate is two pieces and symmetrically arranged left and right.

[0012] Further, the front and rear outer sides of the lower part of the coil are respectively provided with two shell lower baffles, the wire fixing plate is located outside the shell lower baffles, the inner walls of the front wall plate and the rear wall plate are respectively connected with the two shell lower baffles, the middle parts of the sides of the two shell lower baffles towards the coil are respectively kept a certain distance from the coil and form heat dissipation gaps, and the heat dissipation gaps are connected with the heat dissipation channels.

[0013] Further, the front wall plate comprises a front upper wall plate and a front lower wall plate, the second positioning hole is arranged on the front upper wall plate, the third positioning hole is arranged at the edge of the front upper wall plate, and the third positioning hole is surrounded by the front upper wall plate and the front lower wall plate.

[0014] The coil is resin pouring coil, the outer side of the coil and / or the iron core is provided with a heat dissipation shell which keeps a certain distance with the coil and / or the iron core, the top of the heat dissipation shell is provided with a heat dissipation outlet, the bottom of the heat dissipation shell is provided with a cold air inlet, the inner wall of the heat dissipation shell and the coil and the iron core form a heat dissipation channel, one end of the heat dissipation channel is communicated with the cold air inlet, the other end of the heat dissipation channel is communicated with the heat dissipation outlet; by setting the ordinary coil as the resin pouring coil, the overall mechanical strength, insulation, moisture-proof and corrosion-resistant performance of the product can be improved, the sudden short circuit performance can be resisted, and the operation life and reliability can be improved; by setting the heat dissipation shell, the protection performance of the product can be improved, the chimney effect can be formed, the temperature during the operation of the product can be reduced, and the operation life and operation reliability can be improved.

[0015] In conclusion, the utility model has the characteristics of stable and reliable operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is front view three-dimensional structure schematic diagram of an embodiment of the utility model.

[0017] Figure 2 It is exploded three-dimensional structure schematic diagram of the utility model.

[0018] Figure 3 It is three-dimensional structure schematic diagram of the utility model after removing the heat dissipation shell.

[0019] Figure 4 It is three-dimensional structure schematic diagram of the utility model after removing the heat dissipation shell and the upper iron core.

[0020] Figure 5 It is rear view three-dimensional structure schematic diagram of the utility model.

[0021] Figure 6 It is front view structure schematic diagram of the utility model.

[0022] Figure 7 It is Figure 6 A-A direction partial cut structure schematic diagram in the utility model.

[0023] In the figure: 1 is a top frame, 1.1 is a supporting foot, 2 is a back wall plate, 2.1 is a first positioning hole, 3 is a left wall plate, 4 is a right wall plate, 5 is a front wall plate, 5.1 is a second positioning hole, 5.2 is a third positioning hole, 5.3 is a front upper wall plate, 5.4 is a front lower wall plate, 6 is a coil, 7 is a middle iron core, 8 is a base, 9 is a first lower clamp, 10 is a wire fixing plate, 11 is a top frame crossbeam, 12 is a first upper clamp, 13 is a clamping plate fixing plate, 14 is an outer shell lower baffle, 15 is an upper aluminum row, 16 is a lower aluminum row, 17 is a lower connecting piece, 18 is an aluminum row fixing row, 19 is an upper connecting piece, 20 is an upper clamping screw, 21 is an upper iron core, 22 is a lower iron core, 23 is a coil supporting plate, 32 is a second upper clamp, 39 is a second lower clamp, and 40 is a pulling screw. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the drawings and examples.

[0025] Referring to Figures 1-7 A filter reactor, comprising an iron core arranged on a base 8, and a coil 6 arranged around the iron core, characterized in that the coil 6 is a resin cast coil, an outer side of the coil 6 and / or the iron core is provided with a heat dissipation shell maintaining a certain distance therefrom, a top of the heat dissipation shell is provided with a heat dissipation outlet 1.2, a bottom of the heat dissipation shell is provided with a cold air inlet, an inner wall of the heat dissipation shell and the coil 6 and the iron core form a heat dissipation channel therebetween, one end of the heat dissipation channel is communicated with the cold air inlet, and the other end of the heat dissipation channel is communicated with the heat dissipation outlet 1.2.

[0026] In the embodiment, upper and lower ends of the coil 6 are respectively provided with an upper aluminum row 15 and a lower aluminum row 16, one end of the upper aluminum row 15 penetrates out of a side wall of the heat dissipation shell, and the lower aluminum row 16 penetrates out of the cold air inlet.

[0027] Referring to Figure 2 The heat dissipation shell comprises a top frame 1 at the top, left and right wall plates 3 and 4 at left and right sides respectively, and front and back wall plates 5 and 2 at front and back sides respectively, a middle of the top frame 1 is the heat dissipation outlet 1.2, the middle of the top frame 1 is provided with a supporting foot 1.1 downward, the iron core comprises an upper iron core 21 at the upper part, a middle iron core 7 at the middle part, and a lower iron core 22 at the lower part, the coil 6 is annularly arranged around the middle iron core 7, the upper iron core 21 is clamped between a first upper clamp 12 and a second upper clamp 32, the lower iron core 22 is clamped between a first lower clamp 9 and a second lower clamp 39, a top frame crossbeam 11 spans on the first upper clamp 12 and the second upper clamp 32, and the left and right wall plates 3 and 4, the front and back wall plates 5 and 2 are respectively connected with outer walls of the top frame 1.

[0028] The front wall plate 5 is respectively provided with a second positioning hole 5.1 and a third positioning hole 5.2, one end of an upper connecting piece 19 is connected with the first upper clamping piece 12, the other end of the upper connecting piece 19 passes through the second positioning hole 5.1 and is connected with one end of a wire fixing plate 10 located outside the front wall plate 5, one end of an upper aluminum row 15 is electrically connected with the coil 6, the other end of the upper aluminum row 15 passes through the third positioning hole 5.2, an aluminum row fixing row 18 is connected with the middle part of the upper aluminum row 15, and the aluminum row fixing row 18 is connected with the wire fixing plate 10.

[0029] In the embodiment, the coil 6 and the upper aluminum row 15 are three respectively, the aluminum row fixing row 18 is connected with the three upper aluminum rows 15 respectively, and the wire fixing plate 10 is two and is symmetrically arranged left and right.

[0030] The other end of the wire fixing plate 10 is connected with one end of a lower connecting piece 17, and the other end of the lower connecting piece 17 is connected with the first lower clamping piece 9.

[0031] The second upper clamping piece 32 is connected with one end of a clamping plate fixing plate 13, the rear wall plate 2 is provided with a first positioning hole 2.1, and the other end of the clamping plate fixing plate 13 passes out of the first positioning hole 2.1 towards the rear.

[0032] The clamping plate fixing plate 13 is two pieces and is symmetrically arranged left and right.

[0033] The front and rear outer sides of the lower part of the coil 6 are respectively provided with two pieces of shell lower baffle plates 14, the wire fixing plate 10 is located outside the shell lower baffle plates 14, the inner walls of the front wall plate 5 and the rear wall plate 2 are respectively connected with the two pieces of shell lower baffle plates 14, the middle parts of the sides of the two pieces of shell lower baffle plates 14 towards the coil 6 are respectively kept a certain distance from the coil 6 and form heat dissipation gaps, and the heat dissipation gaps are connected with the heat dissipation channels.

[0034] In the embodiment, referring to Figure 3 Due to the existence of the pull screw rod 40, even if the inner wall of the shell lower baffle plate 14 is close to or abuts against the pull screw rod 40, the coils 6 located on both sides of the pull screw rod 40 still keep a certain distance, thereby forming the heat dissipation gaps.

[0035] The front wall plate 5 includes a front upper wall plate 5.3 and a front lower wall plate 5.4, the second positioning hole 5.1 is arranged on the front upper wall plate 5.3, the third positioning hole 5.2 is arranged at the edge of the front upper wall plate 5.3, and the third positioning hole 5.2 is surrounded by the front upper wall plate 5.3 and the front lower wall plate 5.4.

[0036] In the embodiment, the front wall plate 5 is divided into the front upper wall plate 5.3 and the front lower wall plate 5.4, so that the assembly and subsequent maintenance intensity can be reduced.

[0037] In the description of the utility model, need understanding is, the orientation or position relation that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate are based on the orientation or position relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, construct and operate with a particular orientation, therefore can not be understood as the restriction of the utility model, the terms "first", "second" are just for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.

[0038] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are just to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A filter reactor comprising a core (8) provided on a base, a coil (6) being provided around the core, characterized in that The coil (6) is a resin-cast coil. A heat dissipation shell is provided on the outside of the coil (6) and / or the iron core, maintaining a certain distance from it. A heat dissipation outlet (1.2) is provided on the top of the heat dissipation shell, and a cold air inlet is provided on the bottom of the heat dissipation shell. A heat dissipation channel is formed between the inner wall of the heat dissipation shell, the coil (6), and the iron core. One end of the heat dissipation channel is connected to the cold air inlet, and the other end of the heat dissipation channel is connected to the heat dissipation outlet (1.2).

2. A filter reactor according to claim 1, characterised in that The upper and lower ends of the coil (6) are respectively provided with an upper aluminum busbar (15) and a lower aluminum busbar (16). One end of the upper aluminum busbar (15) extends out from the side wall of the heat dissipation shell, and the lower aluminum busbar (16) extends out from the cold air inlet.

3. The filter reactor of claim 2, wherein The heat dissipation housing includes a top frame (1) at the top, a left wall plate (3) and a right wall plate (4) on the left and right sides respectively, and a front wall plate (5) and a rear wall plate (2) on the front and rear sides respectively. The top frame (1) has a heat dissipation outlet (1.2) in the middle. The top frame (1) has a support foot (1.1) facing downward in the middle. The iron core includes an upper iron core (21) at the top, a middle iron core (7) in the middle, and a lower iron core (22) at the bottom. The coil (6) The upper iron core (21) is arranged around the middle iron core (7), the upper iron core (21) is clamped between the first upper clamp (12) and the second upper clamp (32), the lower iron core (22) is clamped between the first lower clamp (9) and the second lower clamp (39), the top frame beam (11) spans across the first upper clamp (12) and the second upper clamp (32), and the left wall plate (3), right wall plate (4), front wall plate (5) and rear wall plate (2) are respectively connected to the outer wall of the top frame (1).

4. A filter reactor according to claim 3, characterised in that The front wall panel (5) is provided with a second positioning hole (5.1) and a third positioning hole (5.2). One end of the upper connector (19) is connected to the first upper clamp (12). The other end of the upper connector (19) passes through the second positioning hole (5.1) and is connected to one end of the wire fixing plate (10) located outside the front wall panel (5). One end of the upper aluminum busbar (15) is electrically connected to the coil (6). The other end of the upper aluminum busbar (15) passes through the third positioning hole (5.2). The aluminum busbar fixing plate (18) is connected to the middle of the upper aluminum busbar (15). The aluminum busbar fixing plate (18) is connected to the wire fixing plate (10).

5. A filter reactor according to claim 4, characterised in that There are three coils (6) and three upper aluminum busbars (15). The aluminum busbar fixing busbars (18) are connected to the three upper aluminum busbars (15) respectively. There are two wire fixing plates (10), which are arranged symmetrically on the left and right.

6. The filter reactor of claim 4, wherein The other end of the wire fixing plate (10) is connected to one end of the lower connector (17), and the other end of the lower connector (17) is connected to the first lower clamp (9).

7. The filter reactor of claim 3, wherein The second upper clamping piece (32) is connected with one end of the clamping plate fixing plate (13), the rear wall plate (2) is provided with a first positioning hole (2.1), and the other end of the clamping plate fixing plate (13) passes out of the first positioning hole (2.1) towards the rear.

8. A filter reactor according to claim 7, characterised in that The clamping plate fixing plate (13) is two pieces and is symmetrically arranged left and right.

9. The filter reactor of claim 4, wherein Two pieces of shell lower baffles (14) are respectively arranged on the front and rear outer sides of the lower part of the coil (6), the wire fixing plate (10) is located outside the shell lower baffles (14), the inner walls of the front wall plate (5) and the rear wall plate (2) are respectively connected with the two pieces of shell lower baffles (14), the middle parts of the sides of the two pieces of shell lower baffles (14) towards the coil (6) are respectively kept a certain distance from the coil (6) and form heat dissipation gaps, and the heat dissipation gaps are communicated with the heat dissipation channels.

10. The filter reactor of claim 4, wherein The front wall plate (5) comprises a front upper wall plate (5.3) and a front lower wall plate (5.4), the second positioning hole (5.1) is arranged on the front upper wall plate (5.3), the third positioning hole (5.2) is arranged at the edge of the front upper wall plate (5.3), and the third positioning hole (5.2) is jointly surrounded by the front upper wall plate (5.3) and the front lower wall plate (5.4).

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