CN213125823U - Suspension type frequency converter with overcurrent protection mechanism - Google Patents

Abstract

The utility model discloses a suspension type frequency converter with an overcurrent protection mechanism, which comprises a frequency converter shell and a frequency converter part, wherein the frequency converter part is arranged at the bottom end in the frequency converter shell, a resistor is arranged between a first conductive cap and a second conductive cap, under the conditions of overcurrent, overvoltage and overheating temperature, a fuse wire is firstly fused to cut off the power, so that the device has self-protecting capability when the current is overlarge, the fuse wire is cut off to protect the frequency converter part, the use safety of the frequency converter is improved, when the frequency converter part and the protection mechanism are operated, a large amount of heat is generated in the frequency converter shell, a heat radiation plate arranged at the top end of the frequency converter shell absorbs the heat, the temperature in a transparent cover rises, a temperature sensor transmits a numerical value to a singlechip, a singlechip control fan blows air to cool the inside of the transparent cover, so that the heat radiation mechanism ensures that the temperature in the frequency, all parts are functioning properly.

Description

Suspension type frequency converter with overcurrent protection mechanism

Technical Field

The utility model relates to a converter technical field specifically is a suspension type converter with overcurrent protection mechanism.

Background

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 the internal IGBT, and provides the required power supply voltage according to the actual requirement of the motor, thereby achieving the purposes of energy conservation and speed regulation.

Current converter, inside no overcurrent protection mechanism, the electric current volume is too big, leads to the inside burning out of converter easily, can produce a large amount of heats when protection mechanism and frequency conversion spare function, and the inside high temperature of converter can influence converter and protection mechanism's use.

To the above problem, the utility model provides a suspension type converter with overcurrent protection mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suspension type converter with overcurrent protection mechanism has possessed overcurrent protection mechanism, carries out radiating advantage to protection mechanism and frequency conversion spare to the problem among the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a suspension type converter with overcurrent protection mechanism, includes converter shell and converter, and the converter setting is in the inside bottom of converter shell, the converter shell includes cap, hinge, protection mechanism and heat dissipation mechanism, and converter shell front end is connected by the hinge with cap one side, and protection mechanism sets up on the inside top of converter shell, and heat dissipation mechanism sets up on converter shell top.

Preferably, protection mechanism includes first electrically conductive cap, first pin, lip, resistor, the electrically conductive cap of second and second pin, and first electrically conductive cap top is connected first pin bottom, and first electrically conductive cap bottom is inside to be equipped with the lip, and the second is electrically conductive cap bottom and is connected the second pin top, and the electrically conductive cap top of second is inside to be equipped with the lip, and the resistor both ends set up inside the lip of the electrically conductive cap of first electrically conductive cap and the lip of the electrically conductive cap of second respectively.

Preferably, the resistor includes a fuse wire, a ceramic tube, and a fuse tube, the fuse wire is wound around an outer surface of the ceramic tube in a spiral coil inside the ceramic tube.

Preferably, heat dissipation mechanism includes translucent cover, heating panel, fan, singlechip and temperature sensor, and inside heating panel, fan and the temperature sensor of being equipped with of translucent cover, the vertical setting of heating panel are on converter shell top, and the inside inner wall of translucent cover is equipped with temperature sensor, and the fan runs through the translucent cover top, and the singlechip setting is on the translucent cover top, temperature sensor electric connection singlechip, singlechip electric connection fan.

Preferably, the type of the single chip microcomputer is YQ 5969.

Preferably, the model of the temperature sensor is FT-H40K.

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

1. the utility model provides a suspension type converter with overcurrent protection mechanism, resistor setting are between first electrically conductive cap and the electrically conductive cap of second, under overcurrent, overvoltage, the overheated condition of temperature, fuse wire earlier and cut off the power supply for this equipment has self preservation ability when the electric current is too big, and the frequency conversion spare is protected to the disconnection fuse wire, has improved the safety in utilization of converter.

2. The utility model provides a suspension type converter with overcurrent protection mechanism, converter and protection mechanism are when the function, and converter shell inside produces a large amount of heats, and the setting is siphoned away the heat at the heating panel on converter shell top, and the inside temperature of translucent cover risees, and temperature sensor gives the singlechip with numerical value transmission, and the cooling of blowing is inside to the translucent cover to the single chip microcomputer control fan for this heat dissipation mechanism ensures that converter inside temperature can not be too high, and all parts function normally.

Drawings

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

fig. 2 is a schematic view of the protection mechanism of the present invention;

fig. 3 is a schematic view of the heat dissipation mechanism of the present invention.

In the figure: 1. a converter shell; 11. a shell cover; 12. a hinge; 13. a protection mechanism; 131. a first conductive cap; 132. a first pin; 133. a cap opening; 134. a resistor; 1341. a fuse wire; 1342. a ceramic tube; 1343. a fuse tube; 135. a second conductive cap; 136. a second pin; 14. a heat dissipation mechanism; 141. a transparent cover; 142. a heat dissipation plate; 143. a fan; 144. a single chip microcomputer; 145. a temperature sensor; 2. and a frequency conversion part.

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.

Referring to fig. 1, a suspended frequency converter with an overcurrent protection mechanism includes a frequency converter housing 1 and a frequency converter 2, the frequency converter 2 is disposed at the bottom end inside the frequency converter housing 1, the frequency converter housing 1 includes a housing cover 11, a hinge 12, a protection mechanism 13 and a heat dissipation mechanism 14, the front end of the frequency converter housing 1 is connected to one side of the housing cover 11 by the hinge 12, the protection mechanism 13 is disposed at the top end inside the frequency converter housing 1, and the heat dissipation mechanism 14 is disposed at the top end of the frequency converter housing 1.

Referring to fig. 2, the protection mechanism 13 includes a first conductive cap 131, a first pin 132, a cap 133, a resistor 134, a second conductive cap 135 and a second pin 136, the top end of the first conductive cap 131 is connected to the bottom end of the first pin 132, the cap 133 is disposed inside the bottom end of the first conductive cap 131, the bottom end of the second conductive cap 135 is connected to the top end of the second pin 136, the cap 133 is disposed inside the top end of the second conductive cap 135, two ends of the resistor 134 are respectively disposed inside the cap 133 of the first conductive cap 131 and inside the cap 133 of the second conductive cap 135, the resistor 134 includes a fuse 1341, a ceramic tube 1342 and a fuse 1343, the fuse 1343 is disposed inside the ceramic tube 1342, the fuse 1341 is spirally wound around the outer surface of the ceramic tube 2, the resistor 134 is disposed between the first conductive cap 131 and the second conductive cap 135, and the fuse 1341 is cut off when overcurrent, overvoltage or temperature is over-heated, when the current is too large, the equipment has self-protection capability, and the fuse wire 1341 is disconnected to keep the frequency converter 2, so that the use safety of the frequency converter is improved.

Referring to fig. 3, the heat dissipation mechanism 14 includes a transparent cover 141, a heat dissipation plate 142, a fan 143, a single chip microcomputer 144 and a temperature sensor 145, the heat dissipation plate 142, the fan 143 and the temperature sensor 145 are disposed inside the transparent cover 141, the heat dissipation plate 142 is vertically disposed at the top end of the converter case 1, the temperature sensor 145 is disposed on the inner wall of the transparent cover 141, the fan 143 penetrates through the top end of the transparent cover 141, the single chip microcomputer 144 is disposed at the top end of the transparent cover 141, the temperature sensor 145 is electrically connected to the single chip microcomputer 144, the single chip microcomputer 144 is YQ5969, the temperature sensor 145 is FT-H40K, when the frequency converter 2 and the protection mechanism 13 are operated, a large amount of heat is generated inside the converter case 1, the heat is absorbed by the heat dissipation plate 142 disposed at the top end of the converter case 1, the temperature inside the transparent cover 141 rises, the temperature sensor 145 transmits a value to the single chip microcomputer, so that the heat dissipation mechanism 14 can ensure that the internal temperature of the frequency converter is not too high, and all the parts can operate normally.

In summary, the following steps: the utility model provides a suspension type frequency converter with an overcurrent protection mechanism, a resistor 134 is arranged between a first conductive cap 131 and a second conductive cap 135, under the conditions of overcurrent, overvoltage and overheating temperature, the fuse wire 1341 is firstly fused to cut off the power, when the current of the equipment is too large, the equipment has self-protection capability, the fuse wire 1341 is disconnected to keep the frequency converter 2, the use safety of the frequency converter is improved, when the frequency converter 2 and the protection mechanism 13 are operated, a large amount of heat is generated in the frequency converter shell 1, the heat is absorbed by the heat dissipation plate 142 arranged at the top end of the frequency converter shell 1, the temperature in the transparent cover 141 is raised, the temperature sensor 145 transmits the value to the single chip microcomputer 144, the single chip microcomputer 144 controls the fan 143 to blow air and cool the inside of the transparent cover 141, so that the heat dissipation mechanism 14 can ensure that the internal temperature of the frequency converter is not too high, and all the parts can operate normally.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a suspension type converter with overcurrent protection mechanism, includes converter shell (1) and converter (2), and converter (2) set up in the inside bottom of converter shell (1), its characterized in that: converter shell (1) includes cap (11), hinge (12), protection machanism (13) and heat dissipation mechanism (14), and converter shell (1) front end is connected by hinge (12) with cap (11) one side, and protection machanism (13) set up on converter shell (1) inside top, and heat dissipation mechanism (14) set up on converter shell (1) top.

2. A suspended frequency converter with an overcurrent protection mechanism as set forth in claim 1, wherein: protection machanism (13) are including first electrically conductive cap (131), first pin (132), cap mouth (133), resistor (134), electrically conductive cap (135) of second and second pin (136), first pin (132) bottom is connected on first electrically conductive cap (131) top, first electrically conductive cap (131) bottom inside is equipped with cap mouth (133), second pin (136) top is connected to electrically conductive cap (135) bottom of second, electrically conductive cap (135) top inside is equipped with cap mouth (133) of second, resistor (134) both ends set up inside cap mouth (133) of first electrically conductive cap (131) and cap mouth (133) of electrically conductive cap (135) of second respectively.

3. A suspended frequency converter with an overcurrent protection mechanism as set forth in claim 2, wherein: the resistor (134) comprises a fuse wire (1341), a ceramic tube (1342) and a fuse tube (1343), wherein the fuse tube (1343) is arranged inside the ceramic tube (1342), and the fuse wire (1341) is spirally wound on the outer surface of the ceramic tube (1342).

4. A suspended frequency converter with an overcurrent protection mechanism as set forth in claim 1, wherein: heat dissipation mechanism (14) are including translucent cover (141), heating panel (142), fan (143), singlechip (144) and temperature sensor (145), translucent cover (141) inside is equipped with heating panel (142), fan (143) and temperature sensor (145), the vertical setting of heating panel (142) is on converter shell (1) top, the inside inner wall of translucent cover (141) is equipped with temperature sensor (145), fan (143) run through translucent cover (141) top, singlechip (144) set up on translucent cover (141) top, temperature sensor (145) electric connection singlechip (144), singlechip (144) electric connection fan (143).

5. The suspended frequency converter with the overcurrent protection mechanism as set forth in claim 4, wherein: the type of the singlechip (144) is YQ 5969.

6. The suspended frequency converter with the overcurrent protection mechanism as set forth in claim 4, wherein: the model of the temperature sensor (145) is FT-H40K.

Images