CN217388551U

CN217388551U - Frequency converter with explosion-proof machine core

Info

Publication number: CN217388551U
Application number: CN202220266090.9U
Authority: CN
Inventors: 王华建
Original assignee: Zhejiang Hongke Transmission Technology Co ltd
Current assignee: Zhejiang Hongke Transmission Technology Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-09-06
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a converter with explosion-proof core, including explosion-proof casing, explosion-proof core and heat abstractor, explosion-proof core includes main part module, contravariant module, rectifier module and electric capacity module, the main part module includes main part shell, the contravariant module includes the contravariant shell, rectifier module includes rectifier shell, first drive plate and second drive plate all with main control board electric connection, heat abstractor includes the heat dissipation bottom plate, be equipped with first heat dissipation chamber, second heat dissipation chamber and third heat dissipation chamber on the heat dissipation bottom plate, main part shell with first heat dissipation chamber phase-match, the contravariant shell with second heat dissipation chamber phase-match, the rectifier shell with third heat dissipation chamber phase-match. The utility model provides a pair of converter with explosion-proof core, its stable in structure, safe and reliable has good radiating effect simultaneously more, can guarantee the stable performance of converter.

Description

Frequency converter with explosion-proof machine core

Technical Field

The utility model belongs to the technical field of the converter, concretely relates to converter with explosion-proof core.

Background

The frequency converter is a power control device which applies frequency conversion technology and microelectronic technology and controls an alternating current motor by changing the working power supply frequency mode of the motor, and mainly comprises a rectification unit (alternating current to direct current), a filter unit, an inversion unit (direct current to alternating current), a brake unit, a drive unit, a detection unit microprocessing unit and the like. In the prior art, an explosion-proof machine core can be used to improve the safety of the frequency converter, however, the heat dissipation effect of the explosion-proof machine core in the prior art is not good, and the performance of the frequency converter is easily influenced.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art, the utility model aims to provide a converter with explosion-proof core.

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

a frequency converter with an explosion-proof machine core comprises an explosion-proof machine shell, the explosion-proof machine core and a heat dissipation device, wherein the explosion-proof machine core comprises a main body module, an inversion module, a rectification module and a capacitor module, the main body module comprises a main body shell and a main control board, the main control board is installed in the main body shell, the inversion module comprises an inversion shell and a first drive board, the first drive board is installed in the inversion shell, the rectification module comprises a rectification shell and a second drive board, the second drive board is installed in the rectification shell, the first drive board and the second drive board are both electrically connected with the main control board, the heat dissipation device comprises a heat dissipation bottom plate, a first heat dissipation cavity, a second heat dissipation cavity and a third heat dissipation cavity are arranged on the heat dissipation bottom plate, the main body shell is matched with the first heat dissipation cavity, and the inversion shell is matched with the second heat dissipation cavity, the rectification shell is matched with the third heat dissipation cavity.

Preferably, the top of first heat dissipation chamber is equipped with open first opening, main body cover's lower extreme is equipped with first insulating substrate, first insulating substrate's lower extreme is equipped with first heating panel, first heating panel shutoff block up first opening and with heat dissipation bottom plate erection joint.

Preferably, the top in second heat dissipation chamber is equipped with open second opening, the lower extreme of contravariant shell is equipped with second insulating substrate, the lower extreme of second insulating substrate is equipped with the second heating panel, the second heating panel shutoff the second opening and with heat dissipation bottom plate erection joint.

Preferably, the top in third heat dissipation chamber is equipped with open third opening, rectifier housing's lower extreme is equipped with third insulating substrate, third insulating substrate's lower extreme is equipped with the third heating panel, the third heating panel shutoff the third opening and with heat dissipation bottom plate erection joint.

Preferably, first heat dissipation chamber, second heat dissipation chamber and third heat dissipation chamber set up from the left hand right side, the heat dissipation bottom plate is connected with inlet tube and outlet pipe, the inlet tube with first heat dissipation chamber intercommunication, the second heat dissipation chamber with first heat dissipation chamber is through first through-hole intercommunication, the third heat dissipation chamber with the second heat dissipation chamber is through second through-hole intercommunication, the outlet pipe with third heat dissipation chamber intercommunication.

Preferably, heat abstractor includes first sealing washer, second sealing washer and third sealing washer, the top in first heat dissipation chamber is equipped with first recess, first sealing washer with first recess phase-match, the top in second heat dissipation chamber is equipped with the second recess, the second sealing washer with second recess phase-match, the top in third heat dissipation chamber is equipped with the third recess, the third sealing washer with third recess phase-match.

The utility model discloses a converter with explosion-proof core, its beneficial effect lies in, its stable in structure, and safe and reliable more has good radiating effect simultaneously, can guarantee the stable performance of converter.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment provided by the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the preferred embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a main body module according to a preferred embodiment of the present invention.

The reference numerals include: 100. a main body housing; 110. a first insulating substrate; 111. a first heat dissipation plate; 200. an inverter housing; 300. a rectifying outer shell; 400. a heat dissipation base plate; 410. a first heat dissipation chamber; 411. a first opening; 412. a first seal ring; 420. a second heat dissipation cavity; 421. a second opening; 422. a second seal ring; 430. a third heat dissipation chamber; 431. a third opening; 432. a third seal ring; 441. a first through hole; 442. a second through hole; 443. a water inlet pipe; 444. and (5) discharging a water pipe.

Detailed Description

The utility model discloses a converter with explosion-proof core, it is right to combine preferred embodiment below the utility model discloses a detailed embodiment does further description.

Referring to fig. 1-3 of the drawings, fig. 1 is a schematic structural diagram of a preferred embodiment provided by the present invention, fig. 2 is a schematic structural diagram of another viewing angle of a preferred embodiment provided by the present invention, and fig. 3 is a schematic structural diagram of a main body module of a preferred embodiment provided by the present invention.

Preferred embodiments.

The embodiment provides a frequency converter with an explosion-proof machine core, which comprises an explosion-proof machine shell, the explosion-proof machine core and a heat dissipation device, wherein the explosion-proof machine core comprises a main body module, an inversion module, a rectification module and a capacitor module, the main body module comprises a main body shell 100 and a main control board, the main control board is installed in the main body shell 100, the inversion module comprises an inversion shell 200 and a first drive board, the first drive board is installed in the inversion shell 200, the rectification module comprises a rectification shell 300 and a second drive board, the second drive board is installed in the rectification shell 300, the first drive board and the second drive board are both electrically connected with the main control board, the heat dissipation device comprises a heat dissipation bottom plate 400, a first heat dissipation cavity 410, a second heat dissipation cavity 420 and a third heat dissipation cavity 430 are arranged on the heat dissipation bottom plate 400, the main body shell 100 is matched with the first heat dissipation cavity 410, the inverter case 200 is matched with the second heat dissipation chamber 420, and the rectifier case 300 is matched with the third heat dissipation chamber 430.

Preferably, the top of the first heat dissipation cavity 410 is provided with an open first opening 411, the lower end of the main body housing 100 is provided with a first insulating substrate 110, the lower end of the first insulating substrate 110 is provided with a first heat dissipation plate 111, and the first heat dissipation plate 111 blocks the first opening 411 and is connected to the heat dissipation base plate 400.

Preferably, the top of the second heat dissipation cavity 420 is provided with an open second opening 421, the lower end of the inverter housing 200 is provided with a second insulating substrate, the lower end of the second insulating substrate is provided with a second heat dissipation plate, and the second heat dissipation plate is sealed to block the second opening 421 and is connected to the heat dissipation bottom plate 400.

Preferably, an open third opening 431 is formed in the top of the third heat dissipation cavity 430, a third insulating substrate is arranged at the lower end of the rectifier shell 300, a third heat dissipation plate is arranged at the lower end of the third insulating substrate, and the third heat dissipation plate is sealed and blocked in the third opening 431 and is connected with the heat dissipation bottom plate 400 in an installing mode.

Preferably, the first heat dissipation chamber 410, the second heat dissipation chamber 420 and the third heat dissipation chamber 430 are arranged from left to right, the heat dissipation base plate 400 is connected with an inlet pipe 443 and an outlet pipe 444, the inlet pipe 443 is communicated with the first heat dissipation chamber 410, the second heat dissipation chamber 420 is communicated with the first heat dissipation chamber 410 through a first through hole 441, the third heat dissipation chamber 430 is communicated with the second heat dissipation chamber 420 through a second through hole 442, and the outlet pipe 444 is communicated with the third heat dissipation chamber 430.

Preferably, the heat dissipation device includes a first sealing ring 412, a second sealing ring 422 and a third sealing ring 432, a first groove is disposed on the top of the first heat dissipation chamber 410, the first sealing ring 412 is matched with the first groove, a second groove is disposed on the top of the second heat dissipation chamber 420, the second sealing ring 422 is matched with the second groove, a third groove is disposed on the top of the third heat dissipation chamber 430, and the third sealing ring 432 is matched with the third groove.

The working principle is as follows: the explosion-proof machine core is arranged on the heat dissipation device, and then the heat dissipation device is fixed in the explosion-proof machine shell. The cooling water flows into the first heat dissipation chamber 410 through the water inlet pipe 443, then flows into the second heat dissipation chamber 420 from the first heat dissipation chamber 410 through the first through hole 441, then flows into the third heat dissipation chamber 430 from the second heat dissipation chamber 420 through the second through hole 442, and finally flows out of the third heat dissipation chamber 430 through the water outlet pipe 444. The heat generated by the main control board is transferred to the first heat dissipation plate 111, and then the heat on the first heat dissipation plate 111 is absorbed by cooling water. The heat dissipation device can efficiently absorb heat generated by the explosion-proof machine core, and the performance of the frequency converter can be guaranteed.

It is worth mentioning, the utility model discloses a technical feature such as main part module, contravariant module, rectifier module and electric capacity module that the patent application relates to should be regarded as prior art, and the concrete structure of these technical feature, theory of operation and the control mode that probably involves, spatial arrangement mode adopt in the field conventional selection can, should not be regarded as the utility model discloses a point is located, the utility model discloses a do not further specifically expand the detailing.

It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a converter with explosion-proof core which characterized in that: comprises an explosion-proof casing, an explosion-proof machine core and a heat dissipation device, wherein the explosion-proof machine core comprises a main body module, an inversion module, a rectification module and a capacitance module, the main body module comprises a main body shell and a main control board, the main control board is arranged in the main body shell, the inverter module includes an inverter case and a first driving board installed in the inverter case, the commutation module comprises a commutation housing and a second drive plate, the second drive plate is mounted within the commutation housing, the first driving board and the second driving board are electrically connected with the main control board, the heat dissipation device comprises a heat dissipation bottom board, the heat dissipation bottom plate is provided with a first heat dissipation cavity, a second heat dissipation cavity and a third heat dissipation cavity, the main body shell is matched with the first heat dissipation cavity, the inversion shell is matched with the second heat dissipation cavity, and the rectification shell is matched with the third heat dissipation cavity.

2. Frequency converter with explosion-proof movement according to claim 1, characterized in that: the top in first heat dissipation chamber is equipped with open first opening, main body cover's lower extreme is equipped with first insulating substrate, first insulating substrate's lower extreme is equipped with first heating panel, first heating panel shutoff is in first opening and with radiating bottom plate erection joint.

3. Frequency converter with explosion-proof movement according to claim 2, characterized in that: the top in second heat dissipation chamber is equipped with open second opening, the lower extreme of contravariant shell is equipped with second insulating substrate, the lower extreme of second insulating substrate is equipped with the second heating panel, the second heating panel shutoff the second opening and with radiating bottom plate erection joint.

4. A frequency converter with explosion-proof movement according to claim 3, characterized in that: the top in third heat dissipation chamber is equipped with open third opening, the lower extreme of rectifier shell is equipped with third insulating substrate, the lower extreme of third insulating substrate is equipped with the third heating panel, the third heating panel shutoff is blocked the third opening and with radiating bottom plate erection joint.

5. The frequency converter with explosion-proof movement of claim 4, wherein: first heat dissipation chamber, second heat dissipation chamber and third heat dissipation chamber set up from the left hand right side, the heat dissipation bottom plate is connected with inlet tube and outlet pipe, the inlet tube with first heat dissipation chamber intercommunication, the second heat dissipation chamber with first heat dissipation chamber is through first through-hole intercommunication, the third heat dissipation chamber with second heat dissipation chamber is through second through-hole intercommunication, the outlet pipe with third heat dissipation chamber intercommunication.

6. The frequency converter with explosion-proof movement of claim 5, characterized in that: the heat dissipation device comprises a first sealing ring, a second sealing ring and a third sealing ring, a first groove is formed in the top of the first heat dissipation cavity, the first sealing ring is matched with the first groove, a second groove is formed in the top of the second heat dissipation cavity, the second sealing ring is matched with the second groove, a third groove is formed in the top of the third heat dissipation cavity, and the third sealing ring is matched with the third groove.