CN217037023U - A safety-oriented high-voltage inverter - Google Patents

Abstract

The utility model provides a safe direction type high-voltage inverter, is preferred, includes first shell body, second shell body, third shell body, ventilation structure and fin, link firmly second shell body and third shell body on the lateral wall at the first shell body back, be provided with ventilation structure between first shell body, second shell body and the third shell body, equidistant fixed connection a plurality of semiconductor refrigeration piece on the bottom inside wall of second shell body. This application utilizes fin increase heat radiating area, the air exhauster convulsions, the semiconductor refrigeration piece becomes cold with the clear water, the air that the active carbon board carries out after the drying cooling drying to the air is cooled down to the inside of first shell body, be convenient for cool down to high-voltage inverter, this application temperature-sensing ware detects the response to the temperature, the attention device pipes, remind the staff to notice, the staff of being convenient for in time takes other cooling measures to cool down, avoid high-voltage inverter high temperature to lead to burning out.

Description

A safety-oriented high-voltage inverter

technical field

The utility model relates to the technical field of high-voltage frequency converters, in particular to a safety-oriented high-voltage frequency converter.

Background technique

A frequency converter is a power control device that converts a power frequency power supply into another frequency by using the on-off function of a power semiconductor device. With the rapid development of modern power electronic technology and microelectronics technology, high-voltage and high-power variable frequency speed control devices are constantly maturing. The high-voltage inverter is an AC-DC voltage source inverter with a multi-unit series structure. It realizes the sine wave of the input and output voltage and current waveforms through multiple superposition technology, and the harmonics are effectively controlled, reducing the pollution to the power grid and load. It is an environmentally friendly high-voltage inverter that does not require a filter.

The high-voltage inverter will generate a lot of heat when it is working. The accumulation of heat inside the casing will increase the temperature of the high-voltage inverter. When the temperature of the high-voltage inverter is too high, it may cause the high-voltage inverter to burn out. Therefore, a safety-oriented high-voltage inverter is proposed for the above-mentioned problems.

Utility model content

(1) Purpose of the utility model

In order to solve the technical problems existing in the background art, the present invention proposes a safety-oriented high-voltage frequency converter, which is used to solve the problem of the high-voltage frequency converter being burned due to excessive temperature in the prior art.

(2) Technical solutions

The utility model provides a safety-oriented high-voltage frequency converter, which comprises a first outer casing, a second outer casing, a third outer casing, a ventilation structure and a heat sink. Two outer casings and a third outer casing, a ventilation structure is arranged between the first outer casing, the second outer casing and the third outer casing, and a plurality of semiconductors are fixedly connected to the bottom inner side wall of the second outer casing at equal distances Refrigeration sheet, water is injected into the inside of the second outer casing, several activated carbon plates are fixedly connected to the inner side wall of the third outer casing at equal distances, and the inner side wall of the first outer casing is fixedly connected to the main body of the high-voltage frequency converter. Two sides of the main body of the high-voltage frequency converter are fixedly connected with heat sinks, and a warning structure is arranged on the first outer casing.

Preferably, the heat sink is made of copper material.

Preferably, the first outer casing and the bottom outer side walls of the second outer casing are fixedly connected to four supporting rods one, and the second outer casing and the third outer casing are fixedly connected to the supporting rod two.

Preferably, the front side wall of the first outer casing is rotatably connected to the baffle, and the outer side wall of the baffle is fixed with a connection handle.

Preferably, the warning structure includes a warning device and a temperature sensor, the temperature sensor is fixedly connected to the inner side wall of the first outer casing, and the warning device is fixedly connected to the top outer wall of the first outer casing.

Preferably, the ventilation structure includes a ventilation pipe 1, a ventilation pipe 2, an exhaust fan and a ventilation pipe 3, and the two ends of the ventilation pipe 1 are fixedly connected to the left sides of the first outer casing and the second outer casing, respectively. One end of the ventilation pipe 1 protrudes into the bottom of the second outer casing, and the two ends of the ventilation pipe 2 are fixedly connected to the right side of the first outer casing and the third outer casing. The third ventilation pipe is fixedly connected between them, and the exhaust fans are fixedly connected to the inner side walls of the ventilation pipe 1, the ventilation pipe 2 and the ventilation pipe 3.

Compared with the prior art, the above-mentioned technical scheme of the present utility model has the following beneficial technical effects:

The structure of the present application is reasonable, the heat dissipation fin is used to increase the heat dissipation area, the heat dissipation is accelerated, the exhaust fan is used for air extraction, the semiconductor refrigeration sheet is used for cooling, the clean water in the second housing is cooled, the air enters the clean water, and the cooled clean water cools the air. , the cooled air floats upward and enters the third outer shell, the activated carbon plate dries the moisture in the cooled air, and the dried air enters the first outer shell to cool the inside of the first outer shell, which is convenient for high pressure The inverter cools down.

The structure of the application is reasonable. The temperature sensor detects and senses the temperature in the first housing, and the detected information is transmitted to the warning device. When the sensed temperature is too high, the warning device will beep to remind the staff to pay attention, which is convenient for the staff. Take other cooling measures in time to cool down, so as to avoid the high-voltage inverter from being burned due to excessive temperature.

Description of drawings

FIG. 1 is a schematic diagram of the overall three-dimensional structure of a safety-oriented high-voltage inverter proposed by the utility model.

FIG. 2 is a schematic diagram of the overall internal structure of a safety-oriented high-voltage frequency converter proposed by the utility model.

3 is a schematic diagram of the overall side view of the internal structure of a safety-oriented high-voltage inverter proposed by the present invention.

Reference signs: 1. First outer casing; 2. Second outer casing; 3. Third outer casing; 4. Baffle plate; 5. Handle; 6. Warning structure; 601, warning device; 602, temperature sensor; 7. Ventilation structure; 701, Ventilation pipe one; 702, Ventilation pipe two; 703, Exhaust fan; 704, Ventilation pipe three; ; 12, support rod one; 13, support rod two.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the present utility model will be further described in detail below in conjunction with the specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.

As shown in Figures 1-3, a safety-oriented high-voltage inverter proposed by the present invention includes a first outer casing 1, a second outer casing 2, a third outer casing 3, a ventilation structure 7 and a heat sink 9. The outer side wall of the back of the first outer casing 1 is fixedly connected to the second outer casing 2 and the third outer casing 3, and a ventilation structure is arranged between the first outer casing 1, the second outer casing 2 and the third outer casing 3. 7. Several semiconductor refrigeration chips 11 are fixedly connected to the bottom inner side wall of the second outer casing 2 at equal distances. Clear water is injected into the interior of the second outer casing 2, and the inner side wall of the third outer casing 3 is equidistant. Several activated carbon plates 10 are fixedly connected, the inner side wall of the first outer casing 1 is fixedly connected to the high-voltage inverter main body 8, the two sides of the high-voltage inverter main body 8 are fixedly connected to the heat sink 9, and the first outer casing 1 There is a warning structure 6 on it.

It should be noted that the ventilation structure 7, the heat sink 9, the activated carbon plate 10 and the semiconductor refrigerating sheet 11 are used to cool the inside of the first outer casing 1, so as to facilitate the cooling of the high-voltage inverter, and the warning structure 6 is used to remind the staff to pay attention, It is convenient for the staff to take other cooling measures in time to cool down, so as to avoid the high-voltage inverter from being burned due to excessive temperature.

In an optional embodiment, the heat sink 9 is made of copper material.

It should be noted that copper has good thermal conductivity, and the heat sink 9 can increase the heat dissipation area.

In an optional embodiment, four support rods 12 are fixedly connected to the bottom outer side walls of the first outer casing 1 and the second outer casing 2 , and the second outer casing 2 and the third outer casing 3 The two supporting rods 13 are fixedly connected between them.

It should be noted that the first support rod 12 can support the first outer casing 1 and the second outer casing 2 , and the second support rod 13 can support the third outer casing 3 .

In an optional embodiment, the front side wall of the first outer casing 1 is rotatably connected to the baffle 4 , and the outer side wall of the baffle 4 is fixedly connected to the handle 5 .

It should be noted that the shutter 4 can be opened by the handle 5 .

In an optional embodiment, the warning structure 6 includes a warning device 601 and a temperature sensor 602, the temperature sensor 602 is fixedly connected to the inner side wall of the first outer casing 1, and the warning device 601 is fixedly connected On the top outer side wall of the first outer casing 1 .

It should be noted that the temperature sensor 602 detects and senses the temperature in the first outer casing 1, and the detected information is transmitted to the warning device 601. When the sensed temperature is too high, the warning device 601 beeps.

In an optional embodiment, the ventilation structure 7 includes a ventilation pipe 701, a ventilation pipe 2 702, an exhaust fan 703 and a ventilation pipe 3 704, and the two ends of the ventilation pipe 1 701 are respectively fixedly connected to the first housing. On the left side of the second outer casing 1 and the second outer casing 2, one end of the ventilation pipe 1 701 extends into the bottom of the second outer casing 2, and the two ends of the ventilation pipe 2 702 are fixedly connected to the first outer casing 1 and the third outer casing 2. On the right side of the outer casing 3, a ventilation pipe 3 704 is fixedly connected between the second outer casing 2 and the third outer casing 3, and the ventilation pipe 1 701, the ventilation pipe 2 702 and the ventilation pipe 3 704 are fixed on the inner side walls Connect the exhaust fan 703.

It should be noted that the exhaust fan 703 in the ventilation duct 1 701 performs air extraction, and the extracted air enters the second outer casing 2 through the ventilation duct 1 701, and the exhaust fan 703 in the ventilation duct 2 702 sends the cooled air into the third. In the outer casing 3 , the exhaust fan 703 in the third ventilation pipe 704 draws the dried air into the first outer casing 1 .

The baffle 4 can be opened by the handle 5, the heat of the main body 8 of the high-voltage inverter is transferred to the heat sink 9, the heat sink 9 is used to increase the heat dissipation area, and the heat dissipation is accelerated. The air is drawn, and the extracted air enters the second outer casing 2 through the ventilation pipe 1 701, and the semiconductor refrigerating sheet 11 performs cooling, cooling the clean water in the second outer casing 2, and the air enters the clean water, and the cooled clean water cools the air. The cooled air floats upward, and the exhaust fan 703 in the second ventilation duct 702 sends the cooled air into the third outer casing 3, and the activated carbon plate 10 dries the moisture in the cooled air, and the dried air is ventilated. The exhaust fan 703 in the third pipe 704 is drawn into the first outer casing 1 to cool the inside of the first outer casing 1, which is convenient for cooling the high-voltage inverter. The temperature sensor 602 measures the temperature in the first outer casing 1. Detecting the induction, the detected information is transmitted to the warning device 601. When the sensed temperature is too high, the warning device 601 will beep to remind the staff to pay attention, so that the staff can take other cooling measures in time to cool down and avoid the temperature of the high-voltage inverter. Too high will cause burnout.

The warning device 601 adopts the LTE-1101J model and its related supporting power supply and circuit produced by Zhejiang Jiuzheng Electric Technology Co., Ltd.

The exhaust fan 703 adopts the AC20060 model and its related supporting power supply and circuit produced by Shenzhen Century Wind Environmental Protection Technology Co., Ltd.

It should be understood that, the above-mentioned specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, but not to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included within the protection scope of the present invention. Furthermore, the appended claims of this invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalents of such scope and boundaries.

Claims (6)

1. A safe guiding type high-voltage frequency converter is characterized by comprising a first outer shell (1), a second outer shell (2), a third outer shell (3), a ventilation structure (7) and radiating fins (9), wherein the second outer shell (2) and the third outer shell (3) are fixedly connected to the outer side wall of the back face of the first outer shell (1), the ventilation structure (7) is arranged among the first outer shell (1), the second outer shell (2) and the third outer shell (3), a plurality of semiconductor refrigerating fins (11) are fixedly connected to the inner side wall of the bottom of the second outer shell (2) at equal intervals, clear water is injected into the second outer shell (2), a plurality of activated carbon plates (10) are fixedly connected to the inner side wall of the third outer shell (3) at equal intervals, a high-voltage frequency converter main body (8) is fixedly connected to the inner side wall of the first outer shell (1), the high-voltage inverter comprises a high-voltage inverter main body (8), wherein the two sides of the high-voltage inverter main body (8) are fixedly connected with radiating fins (9), and a warning structure (6) is arranged on a first outer shell (1).

2. The high-voltage inverter of claim 1, wherein the heat sink (9) is made of copper material.

3. The safe guiding type high-voltage frequency converter according to claim 1, wherein four first supporting rods (12) are fixedly connected to the outer bottom side walls of the first outer shell (1) and the second outer shell (2), and a second supporting rod (13) is fixedly connected between the second outer shell (2) and the third outer shell (3).

4. The safe guiding type high-voltage frequency converter according to claim 1, wherein a baffle (4) is rotatably connected to a front side wall of the first outer casing (1), and a handle (5) is fixedly connected to an outer side wall of the baffle (4).

5. The safety-oriented high-voltage frequency converter according to claim 1, wherein the warning structure (6) comprises a warning device (601) and a temperature sensor (602), the temperature sensor (602) is fixedly connected to an inner side wall of the first outer casing (1), and the warning device (601) is fixedly connected to an outer top side wall of the first outer casing (1).

6. The safety guiding type high-voltage frequency converter according to claim 1, wherein the ventilation structure (7) comprises a first ventilation pipe (701), a second ventilation pipe (702), an exhaust fan (703) and a third ventilation pipe (704), two ends of the first ventilation pipe (701) are fixedly connected to the left sides of the first outer shell (1) and the second outer shell (2) respectively, one end of the first ventilation pipe (701) extends into the bottom of the second outer shell (2), two ends of the second ventilation pipe (702) are fixedly connected to the right sides of the first outer shell (1) and the third outer shell (3), the third ventilation pipe (704) is fixedly connected between the second outer shell (2) and the third outer shell (3), and the exhaust fan (703) is fixedly connected to the inner side walls of the first ventilation pipe (701), the second ventilation pipe (702) and the third ventilation pipe (704).

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