阅读说明：本技术 一种基于频率检测的带有漏电保护功能的变频器 (Frequency converter with leakage protection function based on frequency detection ) 是由 余子先 庞世杰 秦忠根 吴兴刚 董志刚 于 2020-07-30 设计创作，主要内容包括：一种基于频率检测的带有漏电保护功能的变频器,解决了现有的基于频率检测的带有漏电保护功能的变频器安装后一般无法根据需要进行位置的调节,适用性小,同时散热性能差,不利于保证变频器的使用性能的问题,其包括底座、变频器本体和排水口,所述底座的底端设置有支腿,支腿顶端的中部插接有调节柱,变频器本体一侧的两端均开设有排气窗,变频器本体两侧的中部均开设有进气窗,排气窗和进气窗的内部嵌入安装有防护网,变频器本体顶部的一侧安装有加水机构,调节柱的中部开设有内腔,本发明结构新颖,构思巧妙,便于变频器本体安装后的高度调节,同时,散热效率高,散热性能好,有利于保证变频器本体的工作性能。(A frequency converter with leakage protection function based on frequency detection solves the problems that the existing frequency converter with leakage protection function based on frequency detection can not adjust the position according to the need after being installed, has small applicability and poor heat dissipation performance, and is not beneficial to ensuring the service performance of the frequency converter, and comprises a base, a frequency converter body and a water outlet, wherein the bottom end of the base is provided with a supporting leg, the middle part of the top end of the supporting leg is inserted with an adjusting column, the two ends of one side of the frequency converter body are both provided with exhaust windows, the middle parts of the two sides of the frequency converter body are both provided with air inlet windows, the exhaust windows and the air inlet windows are internally embedded with a protective net, one side of the top of the frequency converter body is provided with a water adding mechanism, and the middle part of the adjusting column is provided with an inner cavity. The heat dissipation performance is good, and the working performance of the frequency converter body is guaranteed.)

1. The utility model provides a frequency converter with earth leakage protection function based on frequency detection, including base (1), landing leg (2), adjust post (3), converter body (4), display screen (5), operating panel (6), exhaust window (7), air inlet window (8), protection network (9), add water mechanism (10), lifting groove (11), inner chamber (12), elevator (13), lead screw (14), guide post (15), bearing (16), twist grip (17), silk hole (18), guiding hole (19), heat dissipation fan (20), cooling tube (21), water inlet (25) and outlet (26), its characterized in that: the bottom end of the base (1) is provided with a supporting leg (2), the middle part of the top end of the supporting leg (2) is spliced with an adjusting column (3), two ends of one side of the frequency converter body (4) are respectively provided with an exhaust window (7), the middle parts of two sides of the frequency converter body (4) are respectively provided with an air inlet window (8), protective nets (9) are embedded and installed inside the exhaust windows (7) and the air inlet windows (8), one side of the top part of the frequency converter body (4) is provided with a water adding mechanism (10), the middle part of the adjusting column (3) is provided with an inner cavity (12), the bottom end of the adjusting column (3) is provided with a lifting block (13), the middle part of the base (1) is spliced with a screw rod (14), two sides of the screw rod (14) are respectively provided with;

the frequency converter comprises a frequency converter body (4), heat dissipation fans (20) are installed on two sides of the interior of the frequency converter body (4), a cooling pipe (21) is installed on one side of each heat dissipation fan (20), a water adding mechanism (10) comprises a shell (22), a water pump (23) and an electronic refrigerator (24), the water pump (23) is installed in the middle of the shell (22), the electronic refrigerator (24) is installed on one side of the water pump (23), a water inlet (25) is formed in one end of the cooling pipe (21), and a water outlet (26) is formed in the other end of the cooling.

2. The frequency converter with the leakage protection function based on the frequency detection as claimed in claim 1, wherein the base (1) is provided with a lifting groove (11) at a position corresponding to the adjusting column (3).

3. The frequency converter with the leakage protection function based on the frequency detection as claimed in claim 1, wherein a screw hole (18) is formed at a position of the lifting block (13) corresponding to the screw rod (14), and a guide hole (19) is formed at a position of the lifting block (13) corresponding to the guide post (15).

4. Frequency converter with earth leakage protection function based on frequency detection according to claim 1, characterized in that the lead screw (14) is connected with the base (1) through a bearing (16).

5. The frequency converter with the leakage protection function based on the frequency detection as claimed in claim 1, wherein a frequency converter body (4) is mounted at the top end of the adjusting column (3), a display screen (5) is arranged in the middle of the frequency converter body (4), and an operation panel (6) is arranged on one side of the display screen (5).

6. Frequency converter with earth leakage protection function based on frequency detection according to claim 1, characterized in that the cooling tube (21) is a serpentine tube.

7. The frequency converter with the earth leakage protection function based on the frequency detection as claimed in claim 1, wherein the water inlet of the water pump (23) is connected with the water outlet of the electronic refrigerator (24), the water inlet of the electronic refrigerator (24) is connected with an external water source, the water outlet of the water pump (23) is connected with the water inlet (25), and the water outlet (26) is connected with an external water collecting tank.

8. The frequency converter with the earth leakage protection function based on the frequency detection as claimed in claim 1, wherein the specific operation steps of the device are as follows:

the method comprises the following steps: when the height of the frequency converter body (4) is adjusted, the rotating handle (17) is rotated, the rotating handle (17) rotates to drive the screw rod (14) to rotate under the matching of the bearing (16), the screw rod (14) rotates under the matching of a screw hole (18) formed in the lifting block (13), so that the lifting block (13) moves on the screw rod (14), when the lifting block (13) moves upwards, the lifting block (13) drives the adjusting column (3) to move upwards, the adjusting column (3) moves upwards to drive the frequency converter body (4) to move upwards, thereby achieving the purpose of heightening the frequency converter body (4), when the lifting block (13) moves downwards, the lifting block (13) drives the adjusting column (3) to move downwards, the adjusting column (3) moves downwards to drive the frequency converter body (4) to move downwards, thereby achieving the purpose of lowering the frequency converter body (4), and simultaneously, the arranged guide post (15) is inserted in the guide hole (19);

step two: when using, the extraction of external water source is carried out in water pump (23) work, the water of extraction passes through electronic refrigerator (24), electronic refrigerator (24) work is refrigerated to water, liquid after the refrigeration is carried for water inlet (25) of cooling tube (21) through water pump (23), when flowing through cooling tube (21), heat dissipation fan (20) work, when the wind of heat dissipation fan (20) during operation fan passes through cooling tube (21), wind becomes cold wind, dispel the heat to converter body (4) through the cold wind of heat dissipation fan (20) fan.

Technical Field

The invention relates to a frequency converter, in particular to a frequency converter with a leakage protection function based on frequency detection.

Background

A Variable-frequency drive (VFD) is a power control device that applies frequency conversion technology and microelectronic technology to control an ac motor by changing the frequency of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.

The existing frequency converter with the leakage protection function based on frequency detection generally cannot adjust the position as required after being installed, is small in applicability and poor in heat dissipation performance, and is not beneficial to ensuring the use performance of the frequency converter.

Disclosure of Invention

In view of the above situation, in order to overcome the defects in the prior art, the present invention provides a frequency converter with a leakage protection function based on frequency detection, which effectively solves the problems that the existing frequency converter with a leakage protection function based on frequency detection generally cannot adjust the position as required after being installed, has small applicability and poor heat dissipation performance, and is not beneficial to ensuring the service performance of the frequency converter.

In order to achieve the purpose, the invention provides the following technical scheme: the invention comprises a base, supporting legs, adjusting columns, a frequency converter body, a display screen, an operating panel, an exhaust window, an air inlet window, a protective screen, a water adding mechanism, a lifting groove, an inner cavity, a lifting block, a screw rod, a guide column, a bearing, a rotating handle, a screw hole, a guide hole, a heat dissipation fan, a cooling pipe, a water inlet and a water outlet, the bottom end of the base is provided with a supporting leg, an adjusting column is inserted in the middle of the top end of the supporting leg, exhaust windows are arranged at two ends of one side of the frequency converter body, air inlet windows are arranged in the middle of two sides of the frequency converter body, protective nets are embedded in the exhaust windows and the air inlet windows, a water adding mechanism is arranged at one side of the top of the frequency converter body, an inner cavity is arranged in the middle of the adjusting column, a lifting block is arranged at the bottom end of the adjusting column, a lead screw is inserted in the middle of the base, guide columns are arranged on two sides of the lead screw, and;

the heat dissipation fan is all installed to the inside both sides of converter body, and the cooling tube is installed to one side of heat dissipation fan, and the mechanism of adding water includes casing, water pump and electronic refrigerator, and the mid-mounting of casing has the water pump, and electronic refrigerator is installed to one side of water pump, and the one end of cooling tube is provided with the water inlet, and the other end of cooling tube is provided with the outlet.

As a further scheme of the invention: the base is provided with a lifting groove corresponding to the position of the adjusting column.

As a further scheme of the invention: the lifting block is provided with a screw hole corresponding to the screw rod, and a guide hole corresponding to the guide post is provided at the position of the lifting block.

As a further scheme of the invention: the screw rod is connected with the base through a bearing.

As a further scheme of the invention: the top of adjusting the post is installed the converter body, and the middle part of converter body is provided with the display screen, and one side of display screen is provided with operating panel.

As a further scheme of the invention: the cooling pipe is a coiled pipe.

As a further scheme of the invention: the water inlet of the water pump is connected with the water outlet of the electronic refrigerator, the water inlet of the electronic refrigerator is connected with an external water source, the water outlet of the water pump is connected with the water inlet, and the water outlet is connected with an external water collecting tank.

As a further scheme of the invention: the device comprises the following specific operation steps:

the method comprises the following steps: when the height of the frequency converter body is adjusted, the rotating handle is rotated, the rotating handle rotates to drive the screw rod to rotate under the matching of the screw rod and the bearing, the screw rod rotates under the matching of a screw hole formed in the lifting block, so that the lifting block moves on the screw rod, when the lifting block moves upwards, the lifting block drives the adjusting column to move upwards, the adjusting column moves upwards to drive the frequency converter body to move upwards, and therefore the purpose of adjusting the height of the frequency converter body is achieved;

step two: when the frequency converter is used, the water pump works to extract an external water source, the extracted water passes through the electronic refrigerator, the electronic refrigerator works to refrigerate the water, the refrigerated liquid is conveyed to the water inlet of the cooling pipe through the water pump, the heat dissipation fan works when the liquid flows through the cooling pipe, the air of the fan works when the heat dissipation fan works is changed into cold air when the air passes through the cooling pipe, and the cold air of the heat dissipation fan dissipates the heat of the frequency converter body.

Has the advantages that: when the invention is used, when the height of the frequency converter body needs to be adjusted, the rotating handle is rotated, the rotating handle rotates to drive the screw rod to rotate under the matching of the screw rod and the bearing, the screw rod rotates under the matching of a screw hole formed on the lifting block, so that the lifting block moves on the screw rod, when the lifting block moves upwards, the lifting block drives the adjusting column to move upwards, the adjusting column moves upwards to drive the frequency converter body to move upwards, thereby achieving the purpose of adjusting the height of the frequency converter body, when the lifting block moves downwards, the lifting block drives the adjusting column to move downwards, the adjusting column moves downwards to drive the frequency converter body to move downwards, thereby achieving the purpose of adjusting the height of the frequency converter body, simultaneously, under the matching of the guide column and the guide hole, the stability of the lifting block is good when the lifting block moves, when in use, the water pump works to extract external water source, the extracted water passes through the electronic refrigerator, the electronic refrigerator is used for refrigerating water, the refrigerated liquid is conveyed to the water inlet of the cooling pipe through the water pump, the heat dissipation fan works when flowing through the cooling pipe, the air of the fan is changed into cold air when the heat dissipation fan works, the frequency converter body is dissipated through the cold air of the heat dissipation fan, the heat dissipation efficiency is high, and the working performance of the frequency converter body can be guaranteed.

Drawings

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

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the transducer body according to the present invention;

FIG. 5 is a schematic view of the cooling tube configuration of the present invention;

reference numbers in the figures: 1. a base; 2. a support leg; 3. an adjustment column; 4. a frequency converter body; 5. a display screen; 6. an operation panel; 7. an exhaust window; 8. an air inlet window; 9. a protective net; 10. a water adding mechanism; 11. a lifting groove; 12. an inner cavity; 13. a lifting block; 14. a screw rod; 15. a guide post; 16. a bearing; 17. rotating the handle; 18. a silk hole; 19. a guide hole; 20. a heat dissipation fan; 21. a cooling tube; 22. a housing; 23. a water pump; 242. an electronic refrigerator; 25. a water inlet; 26. and a water outlet.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 5.