CN211777960U

CN211777960U - Novel water pump frequency converter

Info

Publication number: CN211777960U
Application number: CN201922502786.8U
Authority: CN
Inventors: 刘洋
Original assignee: Pentax Tianjin Electromechanical Co ltd
Current assignee: Pentax Tianjin Electromechanical Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-27
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to the technical field of frequency converters, and discloses a novel water pump frequency converter, which comprises an upper shell and a lower shell, wherein frequency converter components are arranged in the inner cavity of the upper shell and the inner cavity of the lower shell, radiating fins are arranged on the upper shell and the lower shell, and a fan heater matched with the radiating fins for radiating heat is also arranged on the lower shell; the utility model discloses equipment all is equipped with radiating fin on last casing and lower casing, has enlarged the area of contact of last casing, lower casing and air, can accelerate the heat dissipation of converter inner chamber, still installs the radiating fan of cooperation radiating fin simultaneously on the casing down, and the fan can accelerate the air flow speed, has improved the radiating efficiency, can be quick effectual heat dissipation, can not cause the inside main parts of converter to damage because of converter inner chamber high temperature.

Description

Novel water pump frequency converter

Technical Field

The utility model relates to a converter technical field especially relates to a novel water pump converter.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls the alternating current motor by changing the working power supply frequency mode of the motor, and has the advantages of wide speed regulation range, high speed regulation precision, good dynamic response and the like; frequency converters are widely used in various manufacturing fields, such as wire drawing machines, mixers, extruders, splitting machines, winding machines, centrifuges, etc.

The water pump frequency converter performs constant pressure control on the pressure of the water pump, and the rotating speed of the motor is adjusted by changing the frequency of the motor to ensure the constant output pressure; however, when the frequency converter works, a chip and a capacitor inside the frequency converter can generate heat, and if the heat cannot be effectively dissipated for a long time, the temperature inside the frequency converter is too high, and main parts inside the frequency converter are damaged.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a novel water pump converter solves above-mentioned problem, in order to realize above-mentioned purpose, the utility model provides a following technical scheme:

the utility model provides a novel water pump converter, includes casing and lower casing, install the converter subassembly in the inner chamber of last casing and the inner chamber of casing down, all be equipped with radiating fin on last casing and the casing down, still be equipped with the radiating hot-blast fan of cooperation radiating fin on the casing down.

Preferably, the upper shell is provided with an annular boss, the lower shell is provided with an annular groove matched with the annular boss, the inner side of the annular groove is provided with a positioning plate, and when the annular boss is inserted into the annular groove, the positioning plate is tightly attached to the annular boss.

Preferably, the four corners of the lower shell are provided with arc-shaped cavities, and waterproof materials are filled in the arc-shaped cavities.

Preferably, the motor shell further comprises a universal inserting plate, wherein fixing plates are arranged on two sides of the lower shell and connected with the universal inserting plate through a sliding rail mechanism, a plurality of hole sites are arranged on the universal inserting plate, and the hole sites can be matched with various motors.

Preferably, one side opposite to the inlet of the universal inserting plate is provided with a limit stop.

Preferably, the frequency converter assembly comprises a chip and a capacitor, a display panel and a control panel are arranged in the inner cavity of the upper shell, and the control panel is electrically connected with the display panel, the chip and the capacitor.

Preferably, a waterproof connector lug is further arranged on the lower shell.

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

the utility model discloses equipment all is equipped with radiating fin on last casing and lower casing, has enlarged the area of contact of last casing, lower casing and air, can accelerate the heat dissipation of converter inner chamber, still installs the radiating fan of cooperation radiating fin simultaneously on the casing down, and the fan can accelerate the air flow speed, has improved the radiating efficiency, can be quick effectual heat dissipation, can not cause the inside main part of ware of frequently to damage because of converter inner chamber high temperature.

Drawings

Fig. 1 is a schematic structural diagram of a novel water pump frequency converter in this embodiment.

Fig. 2 is a top view of the novel water pump frequency converter according to the embodiment.

Fig. 3 is a bottom view of the novel water pump frequency converter according to the embodiment.

Fig. 4 is a bottom view of the novel water pump frequency converter in the embodiment without a protective shell.

Fig. 5 is a schematic structural diagram of an inner cavity of an upper housing in the novel water pump frequency converter according to the present embodiment.

Fig. 6 is a schematic structural diagram of an inner cavity of a lower housing in the novel water pump frequency converter in the embodiment.

Fig. 7 is a schematic structural diagram of a universal insertion plate in the novel water pump frequency converter in the embodiment.

Fig. 8 is a schematic structural diagram of the novel water pump frequency converter in the embodiment after a universal insertion plate is additionally installed.

Fig. 9 is an exploded view of the novel water pump frequency converter with the universal insertion plate according to the embodiment.

In the drawings: the structure comprises an upper shell 1, an annular boss 1-1, a lower shell 2, an annular groove 2-1, a positioning plate 2-2, an arc-shaped cavity 2-3, a hot air fan 3, a universal plug board 4, a hole position 4-1, a limit stop 4-2, a waterproof connector lug 5 and a protective shell 6.

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.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present. The terms "center," "inner," "left," "right," and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 9, a novel water pump frequency converter includes an upper casing 1 and a lower casing 2, wherein frequency converter components are installed in an inner cavity of the upper casing 1 and an inner cavity of the lower casing 2, heat dissipation fins are respectively arranged on the upper casing 1 and the lower casing 2, and a heat dissipation fan 3 matched with the heat dissipation fins for heat dissipation is further arranged on the lower casing 2;

all be equipped with radiating fin on last casing 1 and lower casing 2, enlarged the area of contact of last casing 1, lower casing 2 and air, can accelerate the heat dissipation of converter inner chamber, fan heater 3 can accelerate the air flow speed, improves the radiating efficiency.

Fan hot-blast fan 3 still overcoat is equipped with protective housing 6, can prevent that the staff from touching fan hot-blast fan 3 and take place unexpected injury.

The upper shell 1 is provided with an annular boss 1-1, the lower shell 2 is provided with an annular groove 2-1 matched with the annular boss 1-1, the inner side of the annular groove 2-1 is provided with a positioning plate 2-2, and when the annular boss 1-1 is inserted into the annular groove 2-1, the positioning plate 2-2 is tightly attached to the annular boss 1-1;

threaded holes are formed in four corners of the upper shell 1 and the lower shell 2, the upper shell 1 is fixed on the lower shell 2 through threaded screws, and when the annular boss 1-1 is inserted into the annular groove 2-1 in an inserted mode, the threaded holes in the four corners of the upper shell 1 and the lower shell 2 can be accurately butted, so that the threaded screws can be conveniently fixed.

The positioning plate 2-2 plays a guiding role for the annular boss 1-1, and the annular boss 1-1 is conveniently inserted into the annular groove 2-1.

Arc-shaped cavities 2-3 are formed in four corners of the lower shell 2, waterproof materials are filled in the arc-shaped cavities 2-3, the waterproof materials are rubber rings, the sealing effect on the joint of the upper shell 1 and the lower shell 2 is achieved, and water vapor is prevented from entering the lower shell.

The universal plug board is characterized by further comprising a universal plug board 4, wherein fixing plates are arranged on two sides of the lower shell 2 and connected with the universal plug board 4 through a sliding rail mechanism, a plurality of hole sites 4-1 are arranged on the universal plug board 4 and can be matched with various motors; a limit stop 4-2 is arranged on one side opposite to the inlet of the universal inserting plate 4;

at present, the frequency converters on the market are of various types, and usually the frequency converters are fixedly connected with a motor shell of a water pump by screws, but threaded hole positions of some motor shells are not matched with threaded hole positions for placing the screws on the frequency converters, so that the water pump cannot be connected with the frequency converters; the utility model discloses equipment, the screw can be with through a plurality of hole sites 4-1 omnipotent picture peg 4 is fixed on any motor that has the screw hole.

The slide rail mechanism comprises slide blocks and slide ways, the slide blocks are symmetrically fixed on two sides of the fixing plate, the slide ways are correspondingly arranged on two sides of the universal inserting plate 4, the slide blocks drive the frequency converter to be inserted into the universal inserting plate 4, and when one side of the frequency converter touches the limit stop 4-2, the slide blocks stop sliding.

The frequency converter assembly comprises a chip and a capacitor, a display panel and a control panel are arranged in the inner cavity of the upper shell 1, and the control panel is electrically connected with the display panel, the chip and the capacitor.

The lower shell 2 is also provided with a waterproof connector lug 5; can be connected with the power line of the matched electric appliance.

The working principle is as follows:

the upper shell 1 and the lower shell 2 are respectively provided with the radiating fins, so that the contact area between the upper shell 1 and the lower shell 2 and air is enlarged, the heat radiation of the inner cavity of the frequency converter can be accelerated, the air flowing speed can be accelerated by the heat fan 3, and the heat radiation efficiency is improved; the upper shell 1 is fixed on the lower shell 2 through a threaded nail, and when the annular boss 1-1 is inserted into the annular groove 2-1, threaded holes at four corners of the upper shell 1 and the lower shell 2 can be accurately butted, so that the threaded nail is convenient to fix; the frequency converter is connected with a universal plugboard 4 through a slide rail mechanism, a plurality of hole sites 4-1 are arranged on the universal plugboard 4, the hole sites can be matched with various motors, and the frequency converter can be fixed on any motor with a threaded hole.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The utility model provides a novel water pump frequency converter, includes casing (1) and casing (2) down, install the converter subassembly, its characterized in that in the inner chamber of last casing (1) and the inner chamber of casing (2) down: the upper shell (1) and the lower shell (2) are both provided with radiating fins, and the lower shell (2) is also provided with a hot fan (3) which is matched with the radiating fins for radiating.

2. The novel water pump frequency converter according to claim 1, characterized in that: the improved structure is characterized in that an annular boss (1-1) is arranged on the upper shell (1), an annular groove (2-1) matched with the annular boss (1-1) is formed in the lower shell (2), a positioning plate (2-2) is arranged on the inner side of the annular groove (2-1), and when the annular boss (1-1) is inserted into the annular groove (2-1), the positioning plate (2-2) is tightly attached to the inner side of the annular boss (1-1).

3. The novel water pump frequency converter according to claim 2, characterized in that: arc-shaped cavities (2-3) are formed in four corners of the lower shell (2), and waterproof materials are filled in the arc-shaped cavities (2-3).

4. The novel water pump frequency converter according to claim 3, characterized in that: the novel plug board is characterized by further comprising a universal plug board (4), fixing plates are arranged on two sides of the lower shell (2) and connected with the universal plug board (4) through a sliding rail mechanism, and a plurality of hole sites (4-1) are arranged on the universal plug board (4).

5. The novel water pump frequency converter according to claim 4, characterized in that: and a limit stop (4-2) is arranged at one side opposite to the inlet of the universal inserting plate (4).

6. The novel water pump frequency converter according to claim 2, characterized in that: the frequency converter assembly comprises a chip and a capacitor, a display panel and a control panel are arranged in an inner cavity of the upper shell (1), and the control panel is electrically connected with the display panel, the chip and the capacitor.

7. The novel water pump frequency converter according to claim 4, characterized in that: and the lower shell (2) is also provided with a waterproof connector lug (5).