CN208368274U - Converter valve flash, ultrahigh power resistor - Google Patents
Converter valve flash, ultrahigh power resistor Download PDFInfo
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- CN208368274U CN208368274U CN201820819093.4U CN201820819093U CN208368274U CN 208368274 U CN208368274 U CN 208368274U CN 201820819093 U CN201820819093 U CN 201820819093U CN 208368274 U CN208368274 U CN 208368274U
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- resistance
- electrode
- converter valve
- cell
- shell
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Abstract
The utility model discloses converter valve flashes, ultrahigh power resistor, the resistance includes shell, cell resistance, cell resistance is equipped with a plurality of, outer casing underpart is equipped with resistance accommodation space, shell is equipped with electrode and passes through end, electrode passes through end and penetrates and be pierced by for resistance electrodes equipped with a plurality of, a plurality of cell resistances carry out welding series connection, it is installed in resistance accommodation space after a plurality of cell resistance series connection, resistance electrode respectively passes through an electrode and passes through end after a plurality of cell resistance series connection, shell is equipped with fixed glue injection hole, fixed glue fixed cell resistance is injected in shell, cell resistance includes fixed plate, resistive layer, porcelain substrate, heat-conducting metal layer and metallization porcelain substrate, porcelain substrate, heat-conducting metal layer and metallization porcelain substrate successively stack, three uses tin cream vacuum welding between any two, fixed plate is logical equipped with electrode Via hole, resistive layer are equipped with resistive layer electrode, and resistance is laminated into porcelain upper surface of base plate by fixed plate, and resistive layer electrode passes through electrode through hole.
Description
Technical field
The utility model relates to technical field of electronic components more particularly to converter valve flashes, super high power resistance
Device.
Background technique
Currently, circuit constitutes sustained oscillation to damping resistance in order to prevent, serial or parallel connection resistance is consumed in the line
A part can cause the energy of concussion, need to bear biggish power and voltage, pulse in powerful device or power industry
Energy is high, and the heat of generation is larger, and resistance is directly placed on medium water as cooling in order to cool down in existing damping resistance
Medium, at this time to the more demanding of medium water, medium water must be non-conductive medium, for example use deionized water, distilled water.
Patent 201549294 discloses a kind of DC converter valve direct water-cooled damping resistor, the direct water of DC converter valve
Cold type damping resistance, and in particular in DC converter valve can direct water-cooling noninductive damping resistance.Including circuit board, resistance wire and
Insulation tube is equipped with insulated column inside insulation tube, and bottom is equipped with pedestal, and top is equipped with circulating water device, resistance wire winding
On insulated column, circuit board is mounted on circulating water device.
However, medium water is very high to technique and environmental requirement in the prior art and above-mentioned patent, it is easy to lead to medium
Water is mixed into ion and conductive, reduces the effect of damping resistance significantly.Cooling cannot achieve using unilateral side in existing circle resistance,
Conventional resistive will lead to the excessively high fracture of local thermal expansion using squared design.
Utility model content
Shortcoming present in view of the above technology, the utility model provide it is a kind of it is rectangular, have resistance to pulse ability it is strong,
Heat-sinking capability is strong, is easy to be bonded converter valve flash, the ultrahigh power resistor of radiator.
Another of the utility model is designed to provide a kind of converter valve flash, ultrahigh power resistor, the electricity
Resistance device is at low cost, and easy to use, processing flow is few, easy to maintain, easy to spread.
To achieve the above object, the utility model provides a kind of converter valve flash, ultrahigh power resistor, the resistance
It include shell, cell resistance, the cell resistance is equipped with a plurality of, and the outer casing underpart is equipped with resistance accommodation space, described
Shell is equipped with electrode across end, and electrode is equipped with a plurality of resistance electrodes that are used for across end and penetrates and be pierced by, a plurality of cell resistances
Welding series connection is carried out, is installed in resistance accommodation space after a plurality of cell resistance series connection, electricity after a plurality of cell resistance series connection
Resistance electrode is each passed through an electrode and passes through end, and the shell is equipped with fixed glue injection hole, fixed glue is injected in the shell
Fixed cell resistance,
The cell resistance include fixed plate, resistive layer, porcelain substrate, heat-conducting metal layer and metallization porcelain substrate, it is described
Porcelain substrate, heat-conducting metal layer and metallization porcelain substrate successively stack, and three uses tin cream vacuum welding, the fixed plate between any two
It is equipped with electrode through hole, the resistive layer is equipped with resistive layer electrode, and resistive layer is closely depressed on porcelain substrate by the fixed plate
Surface, resistive layer electrode pass through electrode through hole.
It is arranged in series using a plurality of cell resistances, substantially increases the resistance to pulse and power termination ability of resistance.
The radiating bottom plate of cell resistance ensure that bottom plate using porcelain substrate, heat-conducting metal layer and metallization porcelain substrate " sandwich " structure
Flatness and heat-sinking capability.
Further, there are three the cell resistance is set, the electrode pass through end set there are two, the fixed plate, resistive layer,
It is closely bonded between porcelain substrate with thermally conductive bonded adhesives.Thermally conductive bonded adhesives good heat conduction effect, bonding is secured, auxiliary heat dissipation.
Further, every two cell resistance upper surface is bonded with connection porcelain substrate after the cell resistance series connection.
Parallel resistance is attached using connection porcelain substrate, increases lateral stressed, raising flatness.
Further, the shell side edge is equipped with plurality of grooves, and groove is to hollow out upwards along shell lower surface bottom edge,
In blind hole shape.
Further, the electrode passes through end and is equipped with a plurality of annular projection.Electrode passes through end and is equipped with a plurality of annular projection,
Annular projection increases surface distance, increases the creepage distance between electrode.
Further, the electrode passes through end and is additionally provided with master screw, and the master screw inner end is fixed on electrode and passes through end
It is interior, and master screw inner end is connect with resistance electrode.Using master screw, facilitate installation, reduces the point discharge of welding.
Further, the fixed plate uses alumina ceramics substrate；The resistive layer uses nickel chromium triangle or constantan；The porcelain
Substrate uses alumina ceramics substrate, thick 1.5mm, long 61mm, width 61mm；The heat-conducting metal layer uses copper sheet thickness 0.8mm, length
61.5mm, width 61.5mm；The metallization porcelain substrate uses the nickel plating of alumina ceramics substrate, thick 0.635mm, long 62mm, width 62mm.
Further, the fixed glue is resin.Resin heat resistance is good, anti-aging.
The beneficial effects of the utility model are: being arranged in series by using a plurality of cell resistances, substantially increase
The resistance to pulse and power termination ability of resistance.The radiating bottom plate of cell resistance is using porcelain substrate, heat-conducting metal layer and metallization porcelain
Substrate " sandwich " structure, ensure that the flatness and heat-sinking capability of bottom plate.
Detailed description of the invention
Fig. 1 is the front schematic view of the converter valve flash of the utility model, ultrahigh power resistor.
Fig. 2 is the schematic rear view of the converter valve flash of the utility model, ultrahigh power resistor.
Fig. 3 is the schematic diagram of the converter valve flash of the utility model, ultrahigh power resistor panel housings.
Fig. 4 is the schematic diagram of the converter valve flash of the utility model, ultrahigh power resistor cell resistance.
Fig. 5 is the perspective view of the explosion of the converter valve flash of the utility model, ultrahigh power resistor cell resistance.
Specific embodiment
In order to more clearly state the utility model, the utility model is further described with reference to the accompanying drawing.
Such as Fig. 1~5, a kind of converter valve flash of the utility model, ultrahigh power resistor, which includes shell
1, cell resistance 2, there are three cell resistance 2 is set, 1 lower part of shell is equipped with resistance accommodation space 11, and shell 1 is additionally provided with electrode and passes through
End 12, electrode, which passes through end 12 and sets, to be penetrated and is pierced by there are two being respectively used to resistance electrode 3, and three cell resistances 2 carry out welding string
Connection is installed in resistance accommodation space 11 after three cell resistances series connection 2, and three cell resistances 2 are connected latter two resistance electrode
3 pass through end 12 by an electrode respectively, and shell 1 is equipped with fixed glue injection hole 13, solid by the fixed injection of glue injection hole 13
Determine glue fixed cell resistance 2, cell resistance 2 includes fixed plate 21, resistive layer 22, porcelain substrate 23, heat-conducting metal layer 24 and gold
Categoryization porcelain substrate 25, porcelain substrate 12, heat-conducting metal layer 24 and metallization porcelain substrate 25 successively stack, and three uses tin cream between any two
Vacuum welding, fixed plate 21 are equipped with electrode through hole 211, and resistive layer 22 is equipped with electrode 221, and fixed plate 21 presses resistive layer 22
Enter to 23 upper surface of porcelain substrate, resistive layer electrode 221 passes through electrode through hole 211.Fixed plate 21, resistive layer 22, porcelain substrate 23,
Heat-conducting metal layer 24 and metallization 25 edge of porcelain substrate are coated with thermally conductive bonded adhesives.
After cell resistance 2 is connected, 2 upper surface of every two cell resistance is bonded with connection porcelain substrate 24.1 side edge of shell
Equipped with plurality of grooves 14, it is in blind hole shape, to increase the hard of edge that groove 14, which is to hollow out upwards along 1 lower surface bottom edge of shell,
Degree.Electrode passes through end 12 and is equipped with a plurality of annular projection 121, and annular projection increases surface distance, increases between resistance electrode
Creepage distance.
Electrode passes through end 12 and is additionally provided with master screw 122, and 122 inner end of master screw is fixed on electrode and is passed through inside end 12,
And master screw inner end 122 is connect with resistance electrode 3, and M4 screw rod is used when implementing.Using master screw, facilitates installation, subtract
The point discharge welded less.
Fixed plate 21 uses alumina ceramics substrate；Resistive layer 22 uses nickel chromium triangle or constantan；Porcelain substrate 23 is using oxidation
Aluminium porcelain substrate, thick 1.5mm, long 61mm, width 61mm；24 layers of heat-conducting metal use copper sheet thickness 0.8mm, long 61.5mm, width
61.5mm；The porcelain substrate 25 that metallizes uses the nickel plating of alumina ceramics substrate, thick 0.635mm, long 62mm, width 62mm, and fixed glue is tree
Rouge.
Converter valve flash in the technical program, ultrahigh power resistor, rated power can achieve 1800W, electricity
Range is hindered in the Ω of 5 Ω~20, and precision is in 1%-10%, dielectric withstanding voltage 6000VAC, maximum working voltage 5000VDC, maximum impact
Voltage 12KVDC, maximum single pulse energy 150J, partial discharge index 3KV < 10PC, creepage distance are more than 46mm.
The beneficial effects of the utility model are: being arranged in series by using a plurality of cell resistances, greatly
The resistance to pulse and power termination ability of resistance are improved greatly.The radiating bottom plate of cell resistance is using porcelain substrate, thermally conductive
Metal layer and metallization porcelain substrate " sandwich " structure, ensure that the flatness and heat-sinking capability of bottom plate.
The preferred embodiment of the utility model is enumerated above, is not intended to limit the utility model, it is all practical new at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the protection of the utility model within the spirit and principle of type
Within the scope of.
Claims (8)
1. a kind of converter valve flash, ultrahigh power resistor, which includes shell, cell resistance, the unit electricity
Resistance be equipped with it is a plurality of, the outer casing underpart be equipped with resistance accommodation space, the shell be equipped with electrode pass through end, electrode pass through end set
There are a plurality of resistance electrodes that are used for penetrate and be pierced by, it is characterised in that a plurality of cell resistances carry out welding series connection, a plurality of lists
It is installed in resistance accommodation space after first resistance series connection, and resistance electrode is each passed through an electricity after the series connection of a plurality of cell resistances
Pole passes through end, and the shell is equipped with fixed glue injection hole, fixed glue fixed cell resistance is injected in the shell,
The cell resistance includes fixed plate, resistive layer, porcelain substrate, heat-conducting metal layer and metallization porcelain substrate, the porcelain base
Plate, heat-conducting metal layer and metallization porcelain substrate successively stack, and three uses tin cream vacuum welding between any two, sets in the fixed plate
There is electrode through hole, the resistive layer is equipped with resistive layer electrode, and resistance is laminated into porcelain upper surface of base plate, electricity by the fixed plate
Resistance layer electrode passes through electrode through hole.
2. a kind of converter valve flash according to claim 1, ultrahigh power resistor, it is characterised in that the unit
There are three resistance is set, the electrode is passed through there are two end sets, the fixed plate, resistive layer, between porcelain substrate with thermally conductive bonded adhesives
It closely bonds.
3. a kind of converter valve flash according to claim 2, ultrahigh power resistor, it is characterised in that the unit
Every two cell resistance upper surface is bonded with connection porcelain substrate after resistance series connection.
4. a kind of converter valve flash according to claim 3, ultrahigh power resistor, it is characterised in that the shell
Side edge is equipped with plurality of grooves, and it is in blind hole shape that groove, which is to hollow out upwards along shell lower surface bottom edge,.
5. a kind of converter valve flash according to claim 4, ultrahigh power resistor, it is characterised in that the electrode
A plurality of annular projection is equipped with across end.
6. a kind of converter valve flash according to claim 5, ultrahigh power resistor, it is characterised in that the electrode
It is additionally provided with master screw across end, the master screw inner end is fixed on electrode and is passed through in end, and master screw inner end and resistance
Electrode connection.
7. a kind of converter valve flash according to claim 6, ultrahigh power resistor, it is characterised in that the fixation
Plate uses alumina ceramics substrate；The resistive layer uses nickel chromium triangle or constantan；The porcelain substrate uses alumina ceramics substrate, thick
1.5mm, long 61mm, width 61mm；The heat-conducting metal layer uses copper sheet thickness 0.8mm, long 61.5mm, width 61.5mm；The gold
Categoryization porcelain substrate uses the nickel plating of alumina ceramics substrate, thick 0.635mm, long 62mm, width 62mm.
8. a kind of converter valve flash according to claim 7, ultrahigh power resistor, it is characterised in that the fixation
Glue is resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820819093.4U CN208368274U (en) | 2018-05-29 | 2018-05-29 | Converter valve flash, ultrahigh power resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820819093.4U CN208368274U (en) | 2018-05-29 | 2018-05-29 | Converter valve flash, ultrahigh power resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208368274U true CN208368274U (en) | 2019-01-11 |
Family
ID=64930715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820819093.4U Active CN208368274U (en) | 2018-05-29 | 2018-05-29 | Converter valve flash, ultrahigh power resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208368274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116936211A (en) * | 2023-08-15 | 2023-10-24 | 广东正鸿电子科技有限公司 | Planar thick film power resistor and production process thereof |
-
2018
- 2018-05-29 CN CN201820819093.4U patent/CN208368274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116936211A (en) * | 2023-08-15 | 2023-10-24 | 广东正鸿电子科技有限公司 | Planar thick film power resistor and production process thereof |
| CN116936211B (en) * | 2023-08-15 | 2024-01-30 | 广东正鸿电子科技有限公司 | Planar thick film power resistor and production process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200430 Address after: 523000 Room 101, building 17, Lihe Bauhinia intelligent manufacturing center, No. 105, Qingbin East Road, Qingxi Town, Dongguan City, Guangdong Province Patentee after: GUANGDONG YIJIE TECHNOLOGY Co.,Ltd. Address before: 518000, 23 buildings, 5 and 6 buildings, Shenzhen science and Technology Industrial Park, Shenzhen, Guangdong Patentee before: EBG-SHENZHEN Co.,Ltd. |
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| TR01 | Transfer of patent right |