CN212543659U

CN212543659U - Alternating current frequency converter with good heat dissipation effect

Info

Publication number: CN212543659U
Application number: CN202021652354.1U
Authority: CN
Inventors: 乐斌; 冯湛
Original assignee: Shanghai Huaxin Minfu Automation Equipment Co ltd
Current assignee: Shanghai Huaxin Minfu Automation Equipment Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-02-12
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses an exchange converter that radiating effect is good, the protective housing comprises a protective housing, the both sides of protective housing all are provided with first casing, first casing is hollow cylinder structure, the inside of first casing is fixed with first filter, the top of protective housing is provided with the second casing, the second casing is hollow cylinder structure, there is the cap at the top of second casing through threaded connection, the internally mounted of second casing has the second filter, the bottom of second casing has run through the fan, the spout has all been seted up at the both ends of bottom in the protective housing. The utility model discloses a mode that the increase air flows improves the radiating efficiency of converter body, avoids the heat accumulation and leads to the converter body overheated, improves the security of using, effectively prevents through the first filter and the second filter that set up simultaneously that outside dust from getting into the protective housing in, has further improved the security of device use.

Description

Alternating current frequency converter with good heat dissipation effect

Technical Field

The utility model relates to an exchange converter technical field, especially relate to an exchange converter that radiating effect is good.

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.

Present converter carries out the radiating through radiator fan mostly, owing to lack filter equipment, on the dust is blown to the converter along with cold air by radiator fan very easily, long-time the use can cause converter surface dust accumulation, then further increases the heat dissipation degree of difficulty, uses to exist not enoughly, for this reason we propose an interchange converter that the radiating effect is good.

SUMMERY OF THE UTILITY MODEL

Because lack filter equipment among the solution prior art, the dust is very easy on being blown to the converter along with cold air by radiator fan, long-time the use can cause converter surface dust accumulation, then further increases the problem of the heat dissipation degree of difficulty, the utility model provides an exchange converter that the radiating effect is good.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an alternating current frequency converter with good heat dissipation effect comprises a protective shell, wherein two sides of the protective shell are respectively provided with a first shell, the first shell is a hollow cylinder structure, a first filter plate is fixed inside the first shell, the top of the protective shell is provided with a second shell which is a hollow cylinder structure, the top of the second shell is connected with a shell cover through screw threads, a second filter plate is arranged in the second shell, a fan penetrates through the bottom of the second shell, sliding grooves are formed in both ends of the bottom in the protective shell, a fixed shaft is fixed in the sliding groove, a first clamping plate is connected on the fixed shaft in a sliding manner, a second clamping plate is arranged at the top of the two first clamping plates, install the converter body between first splint and the second splint, all be provided with heat conduction mechanism on first splint and the second splint.

Preferably, both sides of the first shell and the shell cover are provided with air holes, and dustproof cotton is arranged inside the air holes.

Preferably, the number of the first filter plate and the second filter plate is two groups, and the first filter plate and the second filter plate are both activated carbon plates.

Preferably, the first clamping plate is connected with the sliding groove in a sliding mode, and the first clamping plate and the fixing shaft are locked through bolts.

Preferably, the first clamping plate and the second clamping plate are locked through a connecting piece and a bolt.

Preferably, the heat conducting mechanism comprises a heat conducting plate and heat radiating fins, the heat conducting plate is fixed on one side close to the frequency converter body and fixed with the heat radiating fins, and heat conducting silicone grease is coated on the heat conducting plate.

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

when the utility model is used, firstly, the frequency converter body is fixed inside the protective shell, the first clamping plates are pulled along the axial direction of the fixed shaft, so that the two first clamping plates clamp the frequency converter body, then the first clamping plates are fixed on the fixed shaft through bolts, then the second clamping plates are pressed downwards, so that the second clamping plates are tightly attached to the top of the frequency converter body, then the first clamping plates and the second clamping plates are locked through the connecting piece, a large amount of heat is generated when the frequency converter body works, the heat is transferred to the radiating fins by the heat conducting plate, the fan is started, the fan enables the external air to pass through the second shell to enter and exit the protective shell, the internal hot air is extruded out through the first shell, the radiating efficiency of the frequency converter body is improved by increasing the air flow, the overheating of the frequency converter body caused by the heat accumulation is avoided, the use safety is improved, meanwhile, the external dust is effectively prevented from entering the protective shell through the first, the safety of the device in use is further improved.

Drawings

Fig. 1 is a schematic structural diagram of an ac frequency converter with a good heat dissipation effect according to the present invention;

fig. 2 is a side view of a second clamping plate of the ac frequency converter with a good heat dissipation effect according to the present invention;

fig. 3 is an overall view of a connecting member of an ac frequency converter with a good heat dissipation effect according to the present invention;

fig. 4 is the utility model provides a heat conduction mechanism's of alternating current frequency converter that radiating effect is good overall view.

In the figure: the heat-radiating shell comprises a protective shell 1, a first shell 2, a first filter plate 3, a second shell 4, a shell cover 5, a second filter plate 6, a fan 7, a frequency converter body 8, a sliding chute 9, a fixed shaft 10, a first clamping plate 11, a second clamping plate 12, a connecting piece 13, a heat-conducting mechanism 14, a heat-conducting plate 141 and a heat-radiating fin 142.

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.

Referring to fig. 1-4, an ac frequency converter with good heat dissipation effect comprises a protective housing 1, wherein first shells 2 are respectively arranged at two sides of the protective housing 1, the first shells 2 are hollow cylinder structures, a first filter plate 3 is fixed inside the first shells 2, a second shell 4 is arranged at the top of the protective housing 1, the second shell 4 is a hollow cylinder structure, a shell cover 5 is connected at the top of the second shell 4 through threads, air holes are respectively arranged at two sides of the first shells 2 and the shell cover 5, dustproof cotton is respectively arranged inside the air holes, a second filter plate 6 is arranged inside the second shell 4, a fan 7 penetrates through the bottom of the second shell 4, the first filter plate 3 and the second filter plate 6 are respectively two groups, the first filter plate 3 and the second filter plate 6 are both activated carbon plates, sliding grooves 9 are respectively arranged at two ends of the bottom in the protective housing 1, a fixed shaft 10 is fixed inside the sliding grooves 9, the fixing shaft 10 is connected with a first clamping plate 11 in a sliding way, the first clamping plate 11 is connected with the sliding chute 9 in a sliding way, the first clamping plate 11 and the fixing shaft 10 are locked through bolts, a second clamping plate 12 is installed at the top of the two first clamping plates 11, the frequency converter body 8 is installed between the first clamping plate 11 and the second clamping plate 12, heat conducting mechanisms 14 are respectively arranged on the first clamping plate 11 and the second clamping plate 12, each heat conducting mechanism 14 comprises a heat conducting plate 141 and a heat radiating fin 142, the heat conducting plate 141 is fixed at one side close to the frequency converter body 8, the heat conducting plate 141 and the heat radiating fins 142 are fixed, heat conducting silicone grease is coated on the heat conducting plate 141, the heat radiating efficiency of the frequency converter body 8 is improved by increasing the air flow mode, the frequency converter body 8 is prevented from being overheated due to heat accumulation, the use safety is improved, and meanwhile, external dust is effectively prevented from, the safety of the device in use is further improved.

The working principle is as follows: when the frequency converter is used, firstly, the frequency converter body 8 is fixed in the protective shell 1, the first clamping plates 11 are pulled along the axial direction of the fixed shaft 10, the two first clamping plates 11 clamp the frequency converter body 8 tightly, then the first clamping plates 11 are fixed on the fixed shaft 10 through bolts, then the second clamping plates 12 are pressed downwards, the second clamping plates 12 are tightly attached to the top of the frequency converter body 8, the first clamping plates 11 and the second clamping plates 12 are locked through the connecting pieces 13, a large amount of heat is generated when the frequency converter body 8 works, the heat is transmitted to the radiating fins 142 through the heat conducting plates 141, the fan 7 is started, the fan 7 takes outside air in and out of the protective shell 1 through the second shell 4, the inside hot air is extruded out through the first shell 2, the radiating efficiency of the frequency converter body 8 is improved through increasing the air flowing mode, the frequency converter body 8 is prevented from being overheated due to heat accumulation, and the use safety is improved, meanwhile, the first filter plate 3 and the second filter plate 6 effectively prevent external dust from entering the protective shell 1, and the use safety of the device is further improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An alternating current frequency converter with good heat dissipation effect comprises a protective shell (1) and is characterized in that first shells (2) are arranged on two sides of the protective shell (1), the first shells (2) are of a hollow cylinder structure, a first filter plate (3) is fixed inside the first shells (2), a second shell (4) is arranged at the top of the protective shell (1), the second shell (4) is of a hollow cylinder structure, the top of the second shell (4) is connected with a shell cover (5) through threads, a second filter plate (6) is installed inside the second shell (4), a fan (7) penetrates through the bottom of the second shell (4), sliding grooves (9) are formed in two ends of the bottom in the protective shell (1), a fixed shaft (10) is fixed inside the sliding grooves (9), and a first clamping plate (11) is connected onto the fixed shaft (10) in a sliding manner, two second splint (12) are installed at the top of first splint (11), install converter body (8) between first splint (11) and second splint (12), all be provided with heat conduction mechanism (14) on first splint (11) and second splint (12).

2. The ac frequency converter with good heat dissipation effect according to claim 1, wherein air holes are formed on both sides of the first casing (2) and the casing cover (5), and dust-proof cotton is arranged inside the air holes.

3. An ac frequency converter with good heat dissipation effect according to claim 1, wherein the number of the first filter plate (3) and the second filter plate (6) is two, and the first filter plate (3) and the second filter plate (6) are both activated carbon plates.

4. The ac frequency converter with good heat dissipation effect according to claim 1, wherein the first clamping plate (11) is slidably connected with the sliding groove (9), and the first clamping plate (11) is locked with the fixed shaft (10) through a bolt.

5. An ac frequency converter with good heat dissipation effect as claimed in claim 1, wherein the first clamping plate (11) and the second clamping plate (12) are locked by a connecting member (13) and a bolt.

6. The ac frequency converter with good heat dissipation effect of claim 1, wherein the heat conducting mechanism (14) comprises a heat conducting plate (141) and heat dissipating fins (142), the heat conducting plate (141) is fixed on one side close to the frequency converter body (8), the heat conducting plate (141) is fixed with the heat dissipating fins (142), and the heat conducting plate (141) is coated with heat conducting silicone grease.