CN217388519U

CN217388519U - Frequency converter power integration module

Info

Publication number: CN217388519U
Application number: CN202220269293.3U
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 power integration module, including cooling plate, insulating substrate and power module, power module includes module shell and power integrated chip, power integrated chip installs in the module shell, the module shell is installed insulating substrate's upper end, cooling plate's upper end is equipped with the cooling chamber, the top in cooling chamber is equipped with open opening, insulating substrate's lower extreme is equipped with the heat-conducting plate, the heat-conducting plate seals up the opening and with cooling plate erection joint, cooling plate is connected with inlet tube and outlet pipe, the inlet tube with the outlet pipe all with cooling chamber intercommunication. The utility model provides a pair of converter power integration module, its simple structure can distribute away converter power integration module's heat high-efficiently, ensures that electronic component is difficult to burn out in it, reduces the maintenance cost.

Description

Frequency converter power integration module

Technical Field

The utility model belongs to the technical field of the converter, concretely relates to converter power integration module.

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 device mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting unit micro-processing unit and the like. The frequency converter has a plurality of protection functions, such as overcurrent, overvoltage, overload protection and the like. The frequency converter power integration module generates heat severely because the passing current is large, if the heat cannot be discharged in time, the temperature rise is too high, and the electronic element is easy to burn out. In the prior art, the heat dissipation effect of the frequency converter power integration module is not ideal, electronic elements are easily burnt, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of technique prior art, the utility model aims to provide a converter power integration module.

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

the utility model provides a converter power collection moulding piece, includes cooling bottom plate, insulating substrate and power module, power module includes module shell and power integrated chip, power integrated chip installs in the module shell, the module shell is installed insulating substrate's upper end, cooling bottom plate's upper end is equipped with the cooling chamber, the top in cooling chamber is equipped with open opening, insulating substrate's lower extreme is equipped with the heat-conducting plate, the heat-conducting plate seals up and blocks up the opening and with cooling bottom plate erection joint, cooling bottom plate is connected with inlet tube and outlet pipe, the inlet tube with the outlet pipe all with cooling chamber intercommunication.

Preferably, be equipped with first recess around the opening on the top surface of cooling bottom plate, around the heat-conducting plate, the bottom surface of heat-conducting plate is equipped with first notch, first recess with first notch phase-match.

Preferably, a first sealing ring is arranged in the opening, and the first sealing ring is matched with the first groove.

Preferably, the bottom surface of the heat conducting plate is provided with a plurality of reinforced heat dissipation plates, the bottom of the cooling cavity is provided with a plurality of supporting blocks, the upper ends of the supporting blocks are provided with clamping grooves, and the clamping grooves are matched with the reinforced heat dissipation plates.

Preferably, four corners of the module housing are provided with first mounting holes, four corners of the cooling cavity and the top surface of the cooling bottom plate are provided with first bolt holes, and the first mounting holes are matched with the first bolt holes.

Preferably, the number of the power modules is 1.

Preferably, the number of the power modules is 3.

Preferably, adjacent cooling cavities communicate through a through hole.

The utility model discloses a converter power collection moulding piece, its beneficial effect lies in, and its simple structure can give off converter power collection moulding piece's heat away high-efficiently, ensures that electronic component is difficult to be burnt out in it, reduces the maintenance cost.

Drawings

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

Fig. 2 is a schematic structural diagram of a module housing according to a first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment provided by the present invention.

The reference numerals include: 100. cooling the bottom plate; 110. a cooling chamber; 111. a first groove; 112. a first seal ring; 120. a water inlet pipe; 130. a water outlet pipe; 140. a first bolt hole; 150. a support block; 151. a card slot; 160. a through hole; 200. a module housing; 210. a first mounting hole; 220. a heat conducting plate; 221. a first notch; 222. a reinforced heat dissipation plate; 230. an insulating substrate.

Detailed Description

The utility model discloses a converter power collection moulding piece combines the embodiment below, and is right the utility model discloses a detailed implementation does further description.

Referring to fig. 1-3 of the drawings, fig. 1 is a schematic structural diagram of a first embodiment provided by the present invention, fig. 2 is a schematic structural diagram of a module housing of a first embodiment provided by the present invention, and fig. 3 is a schematic structural diagram of a second embodiment provided by the present invention.

A first embodiment.

The embodiment provides a frequency converter power integration module, which comprises a cooling bottom plate 100, an insulating substrate 230 and power modules, wherein the number of the power modules is 1. The power module comprises a module shell 200 and power integrated chips, wherein the power integrated chips are arranged in the module shell 200, the module shell 200 is arranged at the upper end of the insulating substrate 230, the upper end of the cooling bottom plate 100 is provided with cooling cavities 110, and the number of the cooling cavities 110 is also 1. The top in cooling chamber 110 is equipped with open opening, the lower extreme of insulating substrate 230 is equipped with heat-conducting plate 220, heat-conducting plate 220 blocks up the opening and with cooling bottom plate 100 erection joint, cooling bottom plate 100 is connected with inlet tube 120 and outlet pipe 130, inlet tube 120 with outlet pipe 130 all with cooling chamber 110 communicates.

Preferably, a first groove 111 is formed around the opening and on the top surface of the cooling base plate 100, a first notch 221 is formed around the heat-conducting plate 220 and on the bottom surface of the heat-conducting plate 220, and the first groove 111 is matched with the first notch 221.

Preferably, a first sealing ring 112 is arranged in the opening, and the first sealing ring 112 is matched with the first groove 111.

Preferably, the bottom surface of the heat conducting plate 220 is provided with a plurality of reinforced heat dissipating plates 222, the bottom of the cooling cavity 110 is provided with a plurality of supporting blocks 150, the upper ends of the supporting blocks 150 are provided with clamping grooves 151, and the clamping grooves 151 are matched with the reinforced heat dissipating plates 222.

Preferably, four corners of the module case 200 are provided with first mounting holes 210, four corners of the cooling cavity 110 and the top surface of the cooling base plate 100 are provided with first bolt holes 140, and the first mounting holes 210 are matched with the first bolt holes 140.

The working principle is as follows: when the first gasket 112 is placed on the first groove 111 and the module case 200 is covered, the first notch 221 presses the first gasket 112, and the module case 200 and the cooling base plate 100 are fixed by the first mounting hole 210 and the first bolt hole 140 while pressing the first gasket 112, thereby securing the joined gaskets. Cooling water is supplied from the water inlet pipe 120, passes through the cooling chamber 110, and flows out from the water outlet pipe 130. The heat conducting plate 220 absorbs the heat of the module case 200, that is, the heat generated by the power ic chip, and the heat conducting plate 220 and the reinforcing heat dissipation plate 222 are in contact with the cooling water to transfer the heat to the cooling water, thereby achieving the purpose of cooling.

A second embodiment.

The embodiment provides a frequency converter power integration module, which comprises a cooling bottom plate 100, an insulating substrate 230 and 3 power modules. The power module comprises a module shell 200 and power integrated chips, wherein the power integrated chips are installed in the module shell 200, the module shell 200 is installed at the upper end of the insulating substrate 230, the upper end of the cooling bottom plate 100 is provided with cooling cavities 110, the number of the cooling cavities 110 is 3, and the adjacent cooling cavities 110 are communicated through holes 160. The top in cooling chamber 110 is equipped with open opening, the lower extreme of insulating substrate 230 is equipped with heat-conducting plate 220, heat-conducting plate 220 blocks up the opening and with cooling bottom plate 100 erection joint, cooling bottom plate 100 is connected with inlet tube 120 and outlet pipe 130, inlet tube 120 with outlet pipe 130 all with cooling chamber 110 communicates.

Preferably, the bottom surface of the heat conducting plate 220 is provided with a plurality of reinforced heat dissipation plates 222, the bottom of the cooling cavity 110 is provided with a plurality of supporting blocks 150, the upper ends of the supporting blocks 150 are provided with clamping grooves 151, and the clamping grooves 151 are matched with the reinforced heat dissipation plates 222.

The difference between this embodiment and the first embodiment is that three cooling cavities 110 are provided on the cooling base plate 100 of this embodiment, which can improve the cooling efficiency and the assembly efficiency of the frequency converter power integrated module.

It is worth mentioning that the utility model discloses a technical features such as the power integrated chip that the patent application relates to and first sealing washer should be regarded as prior art, and the concrete structure of these technical features, 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 little place, 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. A frequency converter power integration module is characterized in that: including cooling plate, insulating substrate and power module, power module includes module shell and power integrated chip, power integrated chip installs in the module shell, the module shell is installed insulating substrate's upper end, cooling plate's upper end is equipped with the cooling chamber, the top in cooling chamber is equipped with open opening, insulating substrate's lower extreme is equipped with the heat-conducting plate, the heat-conducting plate seals up the opening and with cooling plate erection joint, cooling plate is connected with inlet tube and outlet pipe, the inlet tube with the outlet pipe all with cooling chamber intercommunication.

2. The frequency converter power integration module of claim 1, wherein: the cooling base plate is characterized in that a first groove is formed in the top surface of the cooling base plate and around the opening, a first notch is formed in the bottom surface of the heat conducting plate and around the heat conducting plate, and the first groove is matched with the first notch.

3. The frequency converter power integration module of claim 2, wherein: a first sealing ring is arranged in the opening and matched with the first groove.

4. The frequency converter power integration module of claim 1, wherein: the bottom surface of the heat conducting plate is provided with a plurality of reinforced heat dissipation plates, the bottom of the cooling cavity is provided with a plurality of supporting blocks, the upper ends of the supporting blocks are provided with clamping grooves, and the clamping grooves are matched with the reinforced heat dissipation plates.

5. The frequency converter power integration module of claim 1, wherein: four angles of module shell are equipped with first mounting hole, four angles of cooling chamber the top surface of cooling bottom plate is equipped with first bolt hole, first mounting hole with first bolt hole phase-match.

6. The frequency converter power integration module of claim 1, wherein: the number of the power modules is 1.

7. The frequency converter power integration module of claim 1, wherein: the number of the power modules is 3.

8. The frequency converter power integration module of claim 7, wherein: and the adjacent cooling cavities are communicated through holes.