CN215871205U

CN215871205U - Current source inverter variable switching frequency modulation system

Info

Publication number: CN215871205U
Application number: CN202120411688.8U
Authority: CN
Inventors: 蔡振中
Original assignee: Sunwins Technologies Suzhou Co ltd
Current assignee: Sunwins Technologies Suzhou Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2022-02-18
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to the technical field of inverters, in particular to a variable switching frequency modulation system of a current source inverter. The utility model overcomes the defects of the prior art, the top cover bolt is loosened to be separated from the top cover bolt connecting hole when the device is disassembled by arranging the clamp hole, the top cover bolt connecting hole, the baffle bolt, the sliding fixture block and the top cover bolt, the top cover is slidingly disassembled after the separation, the baffle is disassembled by loosening the baffle bolt and then loosening the baffle, and the baffle is forwards slid to be separated from the main body through the sliding baffle after being loosened, so that the baffles at two sides of the device can be effectively separated from the main body, and the device can be quickly disassembled by personnel through the design, thereby reducing the disassembly and assembly time before the personnel maintain and detect the device, and the personnel can effectively maintain and detect the internal equipment.

Description

Current source inverter variable switching frequency modulation system

Technical Field

The utility model relates to the technical field of inverters, in particular to a switching frequency-variable modulation system of a current source inverter.

Background

The inverter is a converter which converts direct current electric energy (batteries and storage batteries) into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current (generally 220V,50Hz sine wave). It is composed of inverter bridge, control logic and filter circuit. The multifunctional electric grinding wheel is widely applicable to air conditioners, home theaters, electric grinding wheels, electric tools, sewing machines, DVDs (digital video disks), VCDs (video recorders), computers, televisions, washing machines, range hoods, refrigerators, video recorders, massagers, fans, lighting and the like. In foreign countries, due to the higher popularization rate of automobiles, the inverter can be used for connecting the storage battery to drive electric appliances and various tools to work when going out for work or traveling. The on-board inverter output through the cigarette lighter is of 20W, 40W, 80W, 120W to 150W power specification. And the other larger power inverter power supply is connected to the battery through a connecting wire.

But current source dc-to-ac converter becomes switch and can not effectual demolish the device wholly, it is very inconvenient when maintaining the detection to current source dc-to-ac converter change switch to make personnel will consume too much time and demolish, thereby make personnel can not carry out quick maintenance, and current source dc-to-ac converter becomes switch and inside can pile up a large amount of dusts under long-term the use, make device internals will receive the influence under permanent use, and the piling up of a large amount of dusts will influence the device heat dissipation condition, make the live time and the performance of device descend fast, its practicality is not enough.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a variable switch frequency modulation system of a current source inverter, which overcomes the defects of the prior art, has simple structural design, and effectively solves the problems that the existing variable switch of the current source inverter can not effectively remove the whole device, so that personnel can not conveniently maintain and detect the variable switch of the current source inverter, and can consume too much time to remove the variable switch of the current source inverter, so that the personnel can not quickly maintain the variable switch of the current source inverter, and a large amount of dust can be accumulated in the variable switch of the current source inverter under the long-term use, so that the internal parts of the device can be influenced under the long-term use, and the accumulation of the large amount of dust can influence the heat dissipation condition of the device, so that the service time and the service performance of the device are quickly reduced, and the practicability of the device is not enough.

In order to solve the technical problems, the utility model provides the following technical scheme:

a current source inverter variable switching frequency modulation system comprises a main body, working lamps and power connecting ports, wherein the front ends of the main body are fixedly connected with the working lamps, and one sides of the working lamps are fixedly connected with the power connecting ports;

the utility model discloses a work light, including work lamp, main part, transformer, top cap, baffle, connecting hole, main part inboard fixedly connected with radiator, the inboard equal fixedly connected with transformer of main part, transformer one side fixedly connected with electric capacity, electric capacity one side fixedly connected with big electric capacity, the inboard fixedly connected with solid-state electric capacity board of main part, the inboard equal fixedly connected with pulse width modulation integrated package of main part, the main part upper end is inlayed and is connected with the top cap.

As a preferred technical solution of the present invention, the transformer, the capacitor, the large capacitor, the solid-state capacitor plate and the pulse width modulation integrated package are all electrically connected, and the small pulse width modulation integrated package is disposed on both sides inside the main body.

As a preferred technical scheme of the utility model, the number of the radiators is 3, the radiators are mutually butted with the connecting holes, and the radiators are connected with the connecting holes in an embedded manner.

As a preferable technical scheme of the utility model, the rear end of the inner side of the main body is connected with the dust exhauster in an embedded mode, the inner side of the dust exhauster is provided with the rotating shaft and the rotating blades, and the dust exhauster, the rotating shaft and the rotating blades are arranged integrally.

According to a preferred technical scheme, clamping holes are connected to one side of the main body in an embedded mode, top cover bolt connecting holes are connected to the upper end of the main body in an embedded mode, baffle bolts are connected to the surfaces of the baffles in an embedded mode, sliding clamping blocks are fixedly connected to the inner sides of the baffles, and top cover bolts are connected to the periphery of the top cover in an embedded mode.

As a preferred technical solution of the present invention, the sliding clamping block and the clamping hole are engaged with each other, and the sliding clamping block and the clamping hole are slidably inserted into each other.

The embodiment of the utility model provides a variable switching frequency modulation system of a current source inverter, which has the following beneficial effects: this kind of current source inverter becomes switch can effectually demolish device wholly, it maintains the detection to current source inverter becomes switch to make personnel be convenient for, reduce personnel's demolish time, thereby make personnel can maintain fast, and current source inverter becomes switch inside can not pile up a large amount of dusts under long-term the use, make the device internals also can not receive the influence under permanent use, and the reduction of dust will not lead to the device heat dissipation condition to descend, make the live time and the performance of device effectively improve, its practicality is strong.

1. Through setting up the card hole, top cap bolted connection hole, the baffle bolt, slip fixture block and top cap bolt, make the device break away from with top cap bolt connecting hole through relaxing the top cap bolt when dismantling mutually, slide the top cap and dismantle after breaking away from, and the dismantlement of baffle loosens the baffle afterwards through dismantling the baffle bolt, the baffle loosens the back and slides forward through sliding damper and breaks away from the main part, thereby make the device both sides baffle can effectually break away from the main part, make personnel can demolish the device fast through above design, reduce the dismouting time before personnel maintenance detection device, personnel can effectually maintain the detection to interior equipment afterwards.

2. Through setting up the dust exhauster, louvre and radiator, make the device drive rotating vane through the inside axis of rotation of dust exhauster when using, rotating vane is rotatory to produce certain adsorption affinity, absorb the discharge with the inside dust of device afterwards, make the inside dust of device will effectively reduce, and can also mutually combine with the radiator, the dust exhauster also can play the steam of discharging effect when the radiator is absorbing inside steam and through the even discharge of louvre, both combine to make the inside temperature of device can effectual the decline, prevent heat and dust interference device inner equipment, effectively strengthen the performance of device live time and inner equipment.

Drawings

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

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the main body of the present invention;

FIG. 3 is a schematic view of the split structure of the main body of the present invention.

In the figure: 1. a main body; 101. a clamping hole; 102. a top cover bolt connecting hole; 2. a working lamp; 3. An electric connection port; 4. a control switch; 5. a baffle plate; 501. a baffle bolt; 502. sliding the clamping block; 6. heat dissipation holes; 7. connecting holes; 8. a heat sink; 9. a transformer; 10. a capacitor; 11. a large capacitance; 12. a solid state capacitive plate; 13. a pulse width modulation integrated block; 14. a dust exhauster; 15. a top cover; 1501. a top cover bolt.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, a current source inverter variable switching frequency modulation system comprises a main body 1, a working lamp 2 and an electrical interface 3, wherein the front end of the main body 1 is fixedly connected with the working lamp 2, and one side of the working lamp 2 is fixedly connected with the electrical interface 3;

2 one sides of work light are inlayed and are connected with control switch 4, 1 one side of main part is all inlayed and is connected with

baffle

5, 5 surfaces of baffle all are inlayed and are connected with louvre 6, 1 lower extreme of main part is inlayed and is connected with connecting hole 7, 1 inboard equal fixedly connected with radiator 8 of main part, 1 inboard equal fixedly connected with transformer 9 of main part, 9 one side fixedly connected with electric capacity 10 of transformer, electric capacity 10 one side fixedly connected with big electric capacity 11, 1 inboard fixedly connected with solid-state electric capacity board 12 of main part, 1 inboard equal fixedly connected with pulse width modulation integrated package 13 of main part, 1 upper ends of main part are inlayed and are connected with top cap 15.

The transformer 9, the capacitor 10, the large capacitor 11, the solid-state capacitor plate 12 and the pulse width modulation integrated block 13 are electrically connected, and the small pulse width modulation integrated blocks are arranged on two sides inside the main body 1;

in the embodiment, through the design, when the device is used, all the devices can be effectively connected in series through the power connection of the device to achieve the mutual auxiliary effect, and the small pulse width modulation integrated block can achieve the better pulse adjusting effect.

The number of the radiators 8 is 3, the radiators 8 are in butt joint with the connecting holes 7, and the radiators 8 are connected with the connecting holes 7 in an embedded mode;

in this embodiment, through this kind of design, make the device can be effectual give off the inside heat through 3 even with 3 radiators 8 for the inside heat of device can not rise fast, effectively reduces the inside heat of device.

Wherein, the rear end of the inner side of the main body 1 is connected with a dust exhauster 14 in an embedding way, the inner side of the dust exhauster 14 is provided with a rotating shaft and rotating blades, and the dust exhauster 14, the rotating shaft and the rotating blades are arranged integrally;

in this embodiment, through this kind of design, make the device drive rotating vane through the inside axis of rotation of dust ejector 14 when using, rotating vane rotates and produces certain adsorption affinity, absorbs the discharge with the inside dust of device afterwards for the inside dust of device will effectively reduce.

Wherein, one side of the main body 1 is embedded and connected with a clamping hole 101, the upper end of the main body 1 is embedded and connected with a top cover bolt connecting hole 102, the surface of the baffle 5 is embedded and connected with a baffle bolt 501, the inner side of the baffle 5 is fixedly connected with a sliding clamping block 502, and the periphery of the top cover 15 is embedded and connected with a top cover bolt 1501;

in this embodiment, through such a design, the device can be effectively connected and then integrated into a whole through the fastening hole 101, the top cover bolt connecting hole 102 and the baffle bolt 501, so that the device does not fall off.

The sliding fixture block 502 is matched with the fixture hole 101, and the sliding fixture block 502 is slidably embedded in the fixture hole 101;

in the embodiment, by the design, the baffle 5 is detached, so that the baffle 5 is detached by detaching the baffle bolt 501 and then the baffle 5 is loosened, and the baffle 5 is slid forwards to be separated from the main body 1 through the sliding baffle 502 after being loosened, so that the baffles 5 on two sides of the device can be effectively separated from the main body 1, and otherwise, the baffles 5 can be effectively installed.

The working principle is as follows: before the device is used, the performance of the device and the connectivity of each part are detected firstly, and then the device can be used, the device is detached by arranging the clamping hole 101, the top cover bolt connecting hole 102, the baffle bolt 501, the sliding clamping block 502 and the top cover bolt 1501, the top cover bolt 1501 is loosened to be separated from the top cover bolt connecting hole 102, the top cover 15 is detached in a sliding mode after the separation, the baffle 5 is detached by detaching the baffle bolt 501 and then loosening the baffle 5, the baffle 5 is loosened and then slides forwards to be separated from the main body 1 through the sliding baffle 5, so that the baffles 5 on two sides of the device can be effectively separated from the main body 1, the device can be rapidly detached by personnel through the design, the disassembly and assembly time before the personnel maintain and detect the device is reduced, then the personnel can effectively maintain and detect internal equipment, and then the device is enabled to drive the rotating blades through the rotating shaft in the dust exhauster 14 by arranging the dust exhauster 14, the heat dissipation hole 6 and the radiator 8, rotatory certain adsorption affinity that produces of rotating vane, absorb the inside dust of device afterwards and discharge, make the inside dust of device effectively reduce, and can also combine together with radiator 8, dust exhaust 14 also can play the steam effect of discharging when radiator 8 absorbs inside steam and passes through the even discharge of louvre 6, both combine to make the inside temperature of device can effectual drop, prevent heat and dust interference device internal plant, effectively strengthen the performance of device live time and internal plant.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A current source inverter variable switching frequency modulation system comprises a main body (1), working lamps (2) and power connection ports (3), and is characterized in that the front ends of the main body (1) are fixedly connected with the working lamps (2), and one sides of the working lamps (2) are fixedly connected with the power connection ports (3);

the utility model discloses a work light, including work light (2), main part (1), baffle (5), louvre (6) are all inlayed and are connected to work light (2) one side, main part (1) lower extreme is inlayed and is connected with control switch (4), main part (1) one side is all inlayed and is connected with baffle (5), baffle (5) surface is all inlayed and is connected with louvre (6), main part (1) lower extreme is inlayed and is connected with connecting hole (7), the inboard equal fixedly connected with radiator (8) of main part (1), the inboard equal fixedly connected with transformer (9) of main part (1), transformer (9) one side fixedly connected with electric capacity (10), electric capacity (10) one side fixedly connected with big electric capacity (11), main part (1) inboard fixedly connected with solid-state electric capacity board (12), the inboard equal fixedly connected with pulse width modulation integrated package (13) of main part (1), main part (1) upper end is inlayed and is connected with top cap (15).

2. The current source inverter variable switching frequency modulation system according to claim 1, wherein the transformer (9), the capacitor (10), the large capacitor (11), the solid capacitor plate (12) and the pulse width modulation integrated block (13) are electrically connected, and the small pulse width modulation integrated block is arranged on two sides inside the main body (1).

3. The current source inverter variable switching frequency modulation system according to claim 1, wherein the number of the heat sink (8) is 3, the heat sink (8) and the connection hole (7) are butted with each other, and the heat sink (8) and the connection hole (7) are connected in an embedded manner.

4. The current source inverter variable switching frequency modulation system according to claim 1, wherein a dust exhauster (14) is connected to a rear end of an inner side of the main body (1) in an embedded manner, a rotating shaft and a rotating blade are arranged on the inner side of the dust exhauster (14), and the dust exhauster (14), the rotating shaft and the rotating blade are integrally arranged.

5. The current source inverter variable switching frequency modulation system according to claim 1, wherein a clamping hole (101) is embedded and connected to one side of the main body (1), a top cover bolt connecting hole (102) is embedded and connected to the upper end of the main body (1), a baffle plate bolt (501) is embedded and connected to the surface of the baffle plate (5), a sliding clamping block (502) is fixedly connected to the inner side of the baffle plate (5), and a top cover bolt (1501) is embedded and connected to the periphery of the top cover (15).

6. The system for modulating the switching frequency of the current source inverter according to claim 5, wherein the sliding block (502) is engaged with the locking hole (101), and the sliding block (502) is slidably inserted into the locking hole (101).