CN220068067U - PSB board flow straightener - Google Patents
PSB board flow straightener Download PDFInfo
- Publication number
- CN220068067U CN220068067U CN202320252440.0U CN202320252440U CN220068067U CN 220068067 U CN220068067 U CN 220068067U CN 202320252440 U CN202320252440 U CN 202320252440U CN 220068067 U CN220068067 U CN 220068067U
- Authority
- CN
- China
- Prior art keywords
- copper bar
- circuit board
- epoxy
- psb
- heat dissipation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052802 copper Inorganic materials 0.000 claims abstract description 44
- 239000010949 copper Substances 0.000 claims abstract description 44
- 239000004593 Epoxy Substances 0.000 claims abstract description 35
- 230000017525 heat dissipation Effects 0.000 claims abstract description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 24
- 239000010935 stainless steel Substances 0.000 claims abstract description 24
- 239000004568 cement Substances 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 239000004519 grease Substances 0.000 claims abstract description 7
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 7
- 238000005476 soldering Methods 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a PSB board flow equalizing device which comprises a heat dissipation copper bar and a circuit board component. The heat dissipation copper bar is fixed with the circuit board component through the electric conduction heat conduction silicone grease by bolts, and the circuit board component comprises a triode, an epoxy board plug, an epoxy pressing plate, a circuit board, a cement resistor, a stainless steel support piece and an E-pole copper bar. The heat dissipation copper bar is fixed with the triode through the electric conduction heat conduction silicone grease; the circuit board is fixed with the stainless steel support piece through the epoxy plug; the cement resistor is pressed onto the heat dissipation copper bar through the epoxy pressing plate; the E-pole copper bar is fixed on the stainless steel support piece through a nut. The PSB plate flow equalizing device adopting the structure has the advantages of better resistance heat dissipation effect and wide application range.
Description
Technical Field
The utility model relates to the technical field of ultra-high stable magnet power supplies, in particular to a PSB plate current sharing device.
Background
In the existing power supply production process, a small-current power supply resistor is arranged on a circuit board, and for large current (500A and above), the resistor generates large heat, heat is required to be dissipated, and the installation mode of directly welding the resistor onto the circuit board cannot meet the actual production requirement.
Disclosure of Invention
The utility model aims to provide a PSB plate flow equalizing device which can be used for high-current occasions and has a wider application range.
In order to achieve the aim, the utility model provides a PSB board flow equalizing device which comprises a heat dissipation copper bar and a circuit board component, wherein the heat dissipation copper bar is fixed with the circuit board component through electric conduction and heat conduction silicone grease by bolts, and the circuit board component comprises a triode, an epoxy board plug, an epoxy pressing plate, a circuit board, a cement resistor, a stainless steel support piece and an E-pole copper bar.
Preferably, the heat dissipation copper bar is hollow, the surface of the heat dissipation copper bar is provided with a threaded hole and a through hole, and the threaded hole is connected with the triode and the epoxy plate plug through bolts.
Preferably, the circuit board is fixed through the groove at the inner side of the epoxy plug and 2 through holes on the stainless steel support piece at the upper part, the triode is connected with the circuit board through soldering tin, and two ends of the circuit board are fixed on the epoxy board plug through stainless steel bolts.
Preferably, the stainless steel support is fixed on the epoxy plug through four M4 bolts, and 4 through holes with the diameter of 3 are formed in the stainless steel support and are used for fixing the circuit board;
preferably, the stainless steel support piece is provided with 2 studs for fixing the epoxy pressing plate and the E-pole copper bars.
Preferably, one end of the cement resistor is fixed on the circuit board through soldering, and the contact surface of the cement resistor and the heat dissipation copper bar is bonded through heat conduction silicone grease.
Preferably, the epoxy pressing plate is positioned at the upper part of the cement resistor and used for pressing the cement resistor, and four through holes are formed at two ends of the epoxy pressing plate and are inserted into studs of the stainless steel support piece.
Preferably, the E-electrode copper bar is positioned at the upper part of the epoxy pressing plate, and through holes with the diameter of 3mm are formed in two sides of the E-electrode copper bar and are used for being connected with the other end of the cement resistor to fix the other end of the cement resistor.
Preferably, four through holes are formed in two ends of the E-pole copper bar, the through holes are inserted into studs of the stainless steel support piece, and the E-pole copper bar is fixed through nuts.
Therefore, the PSB plate flow equalizing device adopting the structure can solve the problem of heating of a large-current resistor, and has wider application range.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a front view of an embodiment of a PSB plate flow straightener of the present utility model;
fig. 2 is a top view of an embodiment of a PSB plate flow straightener of the present utility model.
Wherein: 1-cement resistance; 2-stainless steel support; 3-E electrode copper bars; 4-epoxy pressing plates; 5-radiating copper bars; 6-epoxy board plugs; 7-triode; 8-circuit board.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Fig. 1 is a front view of an embodiment of a PSB board flow straightener of the present utility model, fig. 2 is a top view of an embodiment of a PSB board flow straightener of the present utility model, as shown in the drawing, comprising a heat dissipation copper bar 5 and a circuit board component, wherein the circuit board component comprises a cement resistor 1, a stainless steel support 2, an E-pole copper bar 3, an epoxy pressing plate 4, an epoxy board plug 6, a triode 7 and a circuit board 8, the heat dissipation copper bar 5 is hollow, the epoxy plug 6 and the heat dissipation copper bar 5 are fixed by bolts, the bolts pass through holes in the lower part of the epoxy board plug 6 and then pass through holes in the lower sides of two ends of the heat dissipation copper bar 5, the stainless steel support 2 is mounted on the upper part of the epoxy board plug 6, the stainless steel support 2 is fixed on the epoxy board plug 6 by bolts M4, two studs are welded on the stainless steel support 2 for fixing the epoxy pressing plate 4 and the E-pole copper bar 3, four holes with diameters of 3mm are arranged on the stainless steel support 2 for fixing the circuit board 8, two sides of the heat dissipation copper bar 5 are provided with M3 threaded holes, the cement copper bar is fixed on one end of the copper bar 1 through M3 and the heat dissipation copper bar 5, and the cement copper bar is welded on one end of the other end of the heat dissipation copper bar 1.
The technical scheme of the utility model is further described in detail through the specific working process of the embodiment.
Firstly, uniformly coating heat conduction and electric conduction paste on the contact surface of a triode 7 and a heat dissipation copper bar 5, fixing the triode 7 on the heat dissipation copper bar 5 through an M3 bolt, fixing an epoxy plug 6 on the heat dissipation copper bar 5 through an M5 bolt, fixing a stainless steel support piece 2 on the epoxy plug 6 through an M5 bolt, inserting a circuit board 8 into a groove of the epoxy plug 6, fixing the circuit board 8 and the stainless steel support piece 2 through an M3 bolt, uniformly coating heat conduction silicone grease on the bottom of a cement resistor 1, bonding the heat conduction and electric conduction paste on the heat dissipation copper bar 5, compacting the cement resistor through an epoxy pressing plate 4, inserting two ends of the epoxy pressing plate 4 on a stud of the stainless steel support piece 2, inserting an E-pole copper bar 3 on a stud of the stainless steel support piece 2, fixing one end of the cement resistor 1 on the circuit board 8 through a tin soldering, fixing the other end on the E-pole copper bar 3 through a bolt connection, and cooling the circuit board part fixed on the cement resistor through water.
Therefore, the PSB plate flow equalizing device adopting the structure can be used for water cooling of the resistor, and has a wider application range.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (7)
1. A PSB board flow straightener, its characterized in that: the heat dissipation copper bar is fixed with the circuit board component through the electric conduction heat conduction silicone grease by bolts, and the circuit board component comprises a triode, an epoxy board plug, an epoxy pressing plate, a circuit board, a cement resistor, a stainless steel support piece and an E-pole copper bar.
2. The PSB plate flow straightener of claim 1, wherein: the heat dissipation copper bar is hollow, a threaded hole and a through hole are formed in the surface of the heat dissipation copper bar, and the threaded hole is connected with the triode and the epoxy plate plug through bolts.
3. The PSB plate flow straightener of claim 1, wherein: the triode is connected with the circuit board through soldering, and two ends of the circuit board are fixed on the epoxy board plug through stainless steel bolts.
4. The PSB plate flow straightener of claim 1, wherein: and one end of the circuit board is welded with one end of the cement resistor through soldering tin.
5. The PSB plate flow straightener of claim 1, wherein: the cement resistor is bonded with the heat dissipation copper bar through the heat conduction silicone grease, and the upper part of the cement resistor is tightly pressed through the epoxy pressing plate.
6. The PSB plate flow straightener of claim 1, wherein: and two ends of the epoxy pressing plate are connected with the upper studs of the stainless steel support piece, and the E-pole copper bars are arranged on the upper part of the epoxy pressing plate.
7. The PSB plate flow straightener of claim 1, wherein: and through holes with the diameter of 3mm are formed in two sides of the E-pole copper bar and are used for connecting the other ends of the cement resistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252440.0U CN220068067U (en) | 2023-02-20 | 2023-02-20 | PSB board flow straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252440.0U CN220068067U (en) | 2023-02-20 | 2023-02-20 | PSB board flow straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220068067U true CN220068067U (en) | 2023-11-21 |
Family
ID=88758599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320252440.0U Active CN220068067U (en) | 2023-02-20 | 2023-02-20 | PSB board flow straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220068067U (en) |
-
2023
- 2023-02-20 CN CN202320252440.0U patent/CN220068067U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |