CN211791348U

CN211791348U - Small-size general water pump converter

Info

Publication number: CN211791348U
Application number: CN202020692908.4U
Authority: CN
Inventors: 邬国红; 邬俊龙; 叶洋平
Original assignee: Guangzhou Weier Electronics Co ltd
Current assignee: Guangzhou Weier Electronics Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-10-27
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a small-size general water pump converter, including the converter shell with be located the inside circuit board of converter shell, the circuit board lower surface is equipped with a plurality of electric capacities, converter shell lower surface is located the electric capacity position and all is equipped with a plurality of protrusion section of thick bamboos, electric capacity is inserted in protrusion section of thick bamboo, the inside basal surface of converter shell is equipped with the heat absorption gasket, the even fixed protrusion board that is provided with a plurality of body structures of converter shell lower surface, the inside slot opening of having seted up of protrusion inboard, the fixed welding of heat absorption gasket lower surface has a plurality of first heating panels, and first heating panel is inserted and is established in the slot opening that corresponds the position. The utility model discloses a set up protrusion board and a protrusion section of thick bamboo under the converter shell, a protrusion section of thick bamboo exposes outside, can absorb the heat of electric capacity, reduces the heat of electric capacity, and first fin can carry out the heat exchange through protrusion board and external water or air, reduces the temperature of circuit board to the life of converter has been prolonged.

Description

Small-size general water pump converter

Technical Field

The utility model relates to a water pump frequency converter technical field, more specifically say, in particular to small-size general water pump frequency converter.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting unit micro-processing unit and the like. The capacitor is connected in parallel with the output end of the rectification power supply circuit and used for reducing the alternating current ripple coefficient and smoothing direct current output, the capacitor can generate heat inside under the long-time use condition, and the capacitor can fail if the temperature of the capacitor cannot be effectively and timely reduced. In order to reduce the temperature of the capacitor, the current practice is to provide a hole slot on the heat dissipation base of the frequency converter, so that the capacitor passes through the hole slot and is exposed out of the heat dissipation base of the frequency converter. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size general water pump converter to overcome the defect that prior art exists.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a small-size general water pump converter, includes the converter shell and is located the inside circuit board of converter shell, and circuit board lower surface is equipped with a plurality of electric capacities, converter shell lower surface is located the electric capacity position and all is equipped with a plurality of protrusion section of thick bamboo, interconnect between a plurality of protrusion section of thick bamboo, electric capacity is inserted in protrusion section of thick bamboo, protrusion section of thick bamboo outer surface is the fixed heat dissipation ring rib that is provided with all, and heat dissipation ring rib and protrusion section of thick bamboo structure as an organic whole, the inside basal surface of converter shell is equipped with the heat absorption gasket, the circuit board is located the heat absorption gasket upper surface, converter shell lower surface is even fixed and is provided with the protrusion board of a plurality of body structures, and the inside slot of inserting of having seted up of protrusion board, heat absorption gasket lower fixed surface welding has a.

Furthermore, a pressing plate is arranged above the circuit board, supporting blocks are fixedly mounted on two side walls inside the shell of the frequency converter, two ends of the pressing plate are fixedly connected with the supporting blocks through screws, a plurality of second radiating fins are fixedly mounted on the lower surface of the pressing plate, and the lower ends of the second radiating fins are in contact with the upper surface of the circuit board.

Furthermore, the lower end of the inner wall of the shell of the frequency converter is provided with a ring notch, a rubber ring is clamped in the ring notch, and the rubber ring is attached to the circuit board.

Further, the lower end of the second radiating fin is sleeved with a rubber sleeve.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a set up protrusion board and a protrusion section of thick bamboo under the converter shell, the electric capacity of circuit board is inserted and is established in a protrusion section of thick bamboo, a protrusion section of thick bamboo exposes outside, can absorb the heat of electric capacity, thereby carry out the heat exchange with external water or air, reduce the heat of electric capacity, heat absorption gasket and circuit board contact, can absorb the heat that the circuit board produced, because first fin is connected with heat absorption gasket, first fin is inserted in the protrusion inboard, the protrusion board exposes outside, first fin can carry out the heat exchange with external water or air through the protrusion board, reduce the temperature of circuit board, thereby the life of converter has been prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a structural diagram of a frequency converter of a small-sized universal water pump of the present invention;

FIG. 2 is a cross-sectional view of the frequency converter of the small-sized universal water pump of the present invention;

fig. 3 is a bottom view of the frequency converter for a small-sized universal water pump of the present invention.

In the figure: the frequency converter comprises a frequency converter shell 1, a circuit board 2, a capacitor 3, a protruding cylinder 4, a radiating ring rib 5, a heat absorbing gasket 6, a protruding plate 7, a first radiating fin 8, a slot opening 9, a pressing plate 10, a second radiating fin 11, a supporting block 12, a ring slot opening 13 and a rubber ring 14.

Detailed Description

Further embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention.

With reference to figure 1 of the drawings, fig. 2 and fig. 3 show, the utility model provides a small-size general water pump converter, include converter shell 1 and be located converter shell 1 inside

circuit board

2, 2 lower surfaces of circuit board are equipped with a plurality of

electric capacity

3, 1 lower surface of converter shell is located electric capacity 3 position and all is equipped with a plurality of protruding section of thick bamboo 4, interconnect between a plurality of protruding section of thick bamboo 4, electric capacity 3 is inserted in protruding section of thick bamboo 4, protruding section of thick bamboo 4 surface is the fixed heat dissipation ring rib 5 that is provided with all, heat dissipation ring rib 5 and protruding section of thick bamboo 4 structure as an organic whole, 1 inside basal surface of converter shell is equipped with heat absorption gasket 6, circuit board 2 is located heat absorption gasket 6 upper surface, 1 lower surface of converter shell is the protruding board 7 of a plurality of body structures of even fixed surface, protruding board 7 is inside has seted up slot opening 9, heat absorption gasket 6 fixed surface has a plurality of first heating panels 8, first heating panel 8 is inserted.

In this embodiment, a pressing plate 10 is disposed above the circuit board 2, supporting blocks 12 are fixedly mounted on two side walls inside the casing 1 of the frequency converter, two ends of the pressing plate 10 are fixedly connected to the supporting blocks 12 through screws, a plurality of second cooling fins 11 are fixedly mounted on the lower surface of the pressing plate 10, and the lower ends of the second cooling fins 11 are in contact with the upper surface of the circuit board 2, so that the heat dissipation efficiency of the circuit board 2 is further improved.

In this embodiment, 1 inner wall lower extreme of converter shell is seted up and is had ring notch 13, and the block has rubber circle 14 in the ring notch 13, and rubber circle 14 and the laminating of circuit board 2 improve the stability of circuit board 2.

In this embodiment, the lower end of the second heat sink 11 is sleeved with a rubber sleeve, so as to prevent the lower end of the second heat sink 11 from damaging the circuit board 2.

The utility model discloses a theory of operation: electric capacity 3 of circuit board 2 is inserted and is established in protrusion section of thick bamboo 4, protrusion section of thick bamboo 4 exposes outside, can absorb electric capacity 3's heat, thereby carry out the heat exchange with external water or air, reduce electric capacity 3's heat, heat absorption gasket 6 and circuit board 2 contact, can absorb the heat that circuit board 2 produced, because first fin 8 is connected with heat absorption gasket 6, first fin 8 is inserted in protrusion board 7, protrusion board 7 exposes outside, first fin 8 can carry out the heat exchange through protrusion board 7 and external water or air, reduce circuit board 2's temperature.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.

Claims

1. The utility model provides a small-size general water pump converter, includes the converter shell and is located the inside circuit board of converter shell, and the circuit board lower surface is equipped with a plurality of electric capacity, its characterized in that: the utility model discloses a heat-absorbing device, including converter shell, protruding section of thick bamboo, circuit board, converter shell lower surface is located the electric capacity position and all is equipped with a plurality of protruding section of thick bamboos, interconnect between a plurality of protruding section of thick bamboos, electric capacity is inserted in protruding section of thick bamboo, protruding section of thick bamboo outer surface is all fixed and is provided with the heat dissipation ring rib, and heat dissipation ring rib and protruding section of thick bamboo structure as an organic whole, the inside basal surface of converter shell is equipped with the heat absorption gasket, the circuit board is located heat absorption gasket upper surface, converter shell lower surface evenly fixed is provided with the protruding board of a plurality of body structures, and the notch of inserting.

2. The small universal water pump frequency converter according to claim 1, characterized in that: the circuit board is provided with a pressing plate above, two side walls inside the shell of the frequency converter are fixedly provided with supporting blocks, two ends of the pressing plate are fixedly connected with the supporting blocks through screws, a plurality of second radiating fins are fixedly arranged on the lower surface of the pressing plate, and the lower ends of the second radiating fins are in contact with the upper surface of the circuit board.

3. The small universal water pump frequency converter according to claim 1, characterized in that: the lower end of the inner wall of the shell of the frequency converter is provided with a ring notch, a rubber ring is clamped in the ring notch, and the rubber ring is attached to the circuit board.

4. The small universal water pump frequency converter according to claim 2, characterized in that: and a rubber sleeve is sleeved at the lower end of the second radiating fin.