CN208489061U - A kind of Power Resistor of pulse energy-absorbing - Google Patents
A kind of Power Resistor of pulse energy-absorbing Download PDFInfo
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- CN208489061U CN208489061U CN201821091307.7U CN201821091307U CN208489061U CN 208489061 U CN208489061 U CN 208489061U CN 201821091307 U CN201821091307 U CN 201821091307U CN 208489061 U CN208489061 U CN 208489061U
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- radiator
- absorbing
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- pulse energy
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Abstract
The utility model discloses a kind of Power Resistors of pulse energy-absorbing, comprising: annular resistor ontology and radiator, annular resistor ontology include ring-shaped pottery matrix, which forms ring resistance pulp layer；Resistance slurry layer surface prints insulating protective layer, insulation protection layer surface encapsulating organic silicon insulation sealant layer；Metal connecting layer is arranged in the ceramic matrix back side；Radiator is cylindrical nickel plating red copper radiator, and radiator opens up circular through hole along central axis, and radiator front offers the annular groove with the through-hole concentric；Annular resistor ontology is welded in annular groove, opening up lead-out wire card slot on annular groove inner wall, and lead-out wire free end is then passed through through-hole after fixing via card slot limit and extends to outside the radiator back side.The resistor of the utility model can achieve the highpowerpulse energy-absorbing of 110s, have the characteristics that small in size, power is big, pulse energy-absorbing is strong, high reliablity, stability are good.
Description
Technical field
The utility model belongs to field of electrical components more particularly to a kind of Power Resistor structure of pulse energy-absorbing.
Background technique
Pulse energy-absorbing resistance is mainly used in the fields such as ballast, amplifier, power supply, the anti-surge of main function, in short-term
It is interior to absorb biggish pulse power.Currently, existing realization pulse energy-absorbing or shock proof most of product are line in industry
Around resistor and a small amount of pulse energy-absorbing chip resistor.Using wirewound resistor technique, strong using anti-surge ability
Special winding, both ends lead are drawn, while coating insulating materials on winding surface, so that extraordinary wirewound resistor, resistance be made
Device structure is shown in Fig. 1.Although line increases to 50W for power is born around such resistor of form, it is being reused several times pulse
After energy-absorbing, since own inductance and thermal capacitance influence, it is easy heat accumulation, product, which exists, burns risk.Using the routine of industry universal
Chip resistor technique is printed on rectangular ceramic matrix, using the strong resistance slurry of anti-surge ability with ceramics
Conductor paste on matrix is electrically connected, then is electroplated after printing insulating protective layer on resistance slurry.To manufactured spy
Kind chip resistor, resistor structure are shown in Fig. 2.Such product is plate resistor, and when installation must weld to be used in the plane.Together
When due to using plate resistor technique, only ceramic matrix, heat dissipation effect is bad, and full-size is also only capable of bearing the small function of 10W
Rate.
In conclusion wirewound resistor structure is by winding structure own inductance, thermal capacitance and heat dissipation due to being influenced, pulse energy-absorbing
(anti-surge) scarce capacity.Pulse energy-absorbing chip resistor, though volume is small, power is lower.Therefore a kind of arteries and veins of the market demand
Suction can (anti-surge) Power Resistor strong, small in size.
Utility model content
The purpose of the utility model is to provide a kind of pulse energy-absorbing (anti-surge) Power Resistors strong, small in size.
To achieve the goals above, the utility model provides a kind of Power Resistor of pulse energy-absorbing, mainly ties
Structure annular resistor ontology and radiator.Wherein, the annular resistor ontology includes ring-shaped pottery matrix, and the ceramic matrix is just
Face printed resistor slurry forms the circular ring shape resistance slurry layer with opening, prints respectively on the ceramic matrix at resistance slurry layer both ends
Brushed with the conductive paste bed of material, the pad for welding lead-out wire is preset on the conductive paste bed of material, lead-out wire one end is welded on ceramic base
On body；The resistance slurry layer surface prints insulating protective layer, insulation protection layer surface encapsulating organic silicon insulation sealant layer；Institute
State ceramic matrix back side setting metal connecting layer.
The radiator is cylindrical nickel plating red copper radiator, and radiator opens up circular through hole along central axis, is radiated
Device front offers the annular groove with the through-hole concentric；The annular resistor ontology is set in annular groove, and
It contacts the ceramic matrix back side with groove floor downwards, and is weldingly fixed in annular groove by metal connecting layer；In annular
Lead-out wire card slot is opened up on groove inner wall face, card slot includes two card slots being set side by side.Lead-out wire free end is via the card
Through-hole is then passed through after slot limit is fixed to extend to outside the radiator back side.
Preferably, by solder tin welding between the metal connecting layer and annular groove bottom surface, and therebetween
Form soldering-tin layer.
Preferably, the radiator side is provided with for being fixed on radiator using two installations on platform
Hole, two mounting holes are symmetrical arranged.
Preferably, the outer diameter φ of the radiator is 42mm, is highly 13mm.The outer diameter φ of the Power Resistor
42mm is highly 18.8mm, and weight is no more than 300g.
Compared with prior art, the utility model has the following beneficial effects:
The Power Resistor of the utility model is designed by special structure, due to, around form, being not present without using line
The shortcomings that own inductance, it is ensured that the ability of enough pulse energy-absorbings.Resistor product size is only φ 42mm × 18.8mm
Small size, overall weight is no more than 300g, but can achieve the highpowerpulse energy-absorbing of 110s: 5s time 600W, 20s time
30W, the 85s time increase to 400W from 30W is existing.The rock-steady structure of product can bear axial mechanical shock 18000g simultaneously,
The test of peripheral direction mechanical shock 10000g.Therefore with small in size, power is big, pulse energy-absorbing is strong, high reliablity, stability
Good feature.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1, existing wirewound resistor structural schematic diagram.
Fig. 2, existing chip resistor structural schematic diagram.
Fig. 3, the utility model annular resistor ontology structural schematic diagram.
The structural schematic diagram of Fig. 4, radiator.
Fig. 5, the utility model Power Resistor sectional view.
Fig. 6, the utility model Power Resistor monnolithic case figure.
Figure label:
Ring-shaped pottery matrix 1, resistance slurry layer 2, the conductive paste bed of material 3, circular through hole 4, mounting hole 5, lead-out wire card slot 6,
Soldering-tin layer 7, lead-out wire 8, organic silicon insulation sealant layer 9, metal connecting layer 10, annular groove 11, lead-out wire pad 12, spy
Different winding 13, insulating protective layer 14, electroplated layer 15.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in figures 2-6, the utility model provides a kind of Power Resistor of pulse energy-absorbing, primary structure annular
Resistor body and radiator.Wherein, the annular resistor ontology includes ring-shaped pottery matrix 1, ceramic matrix front print
Brush resistance slurry forms the circular ring shape resistance slurry layer 2 with opening, prints respectively on the ceramic matrix at resistance slurry layer both ends
There is the conductive paste bed of material 3, the pad 12 for welding lead-out wire is preset on the conductive paste bed of material, 8 one end of lead-out wire is welded on ceramics
On matrix.The resistance slurry layer surface prints insulating protective layer 14, insulation protection layer surface encapsulating organic silicon insulation sealant
Layer 9.Metal connecting layer 10 is arranged in the ceramic matrix back side.
The radiator is cylindrical nickel plating red copper radiator, and radiator opens up circular through hole 4 along central axis, is radiated
Device front offers the annular groove 11 with the through-hole concentric；The annular resistor ontology is set in annular groove,
And contact the ceramic matrix back side with groove floor downwards, and metal connecting layer is weldingly fixed on annular groove using solder system
It is interior, soldering-tin layer 7 is formed in groove inner bottom surface and metal connecting layer weld, bottom surface is weldingly fixed on tin layers in annular groove；?
Lead-out wire card slot 6 is opened up on annular groove inner wall, card slot includes two card slots being set side by side.8 free end of lead-out wire via
Through-hole is then passed through after the card slot limit is fixed to extend to outside the radiator back side.
Preferably, the radiator side is provided with for being fixed on radiator using two mounting holes on platform
5, two mounting holes are symmetrical arranged.
Preferably, the outer diameter φ of the radiator is 42mm, is highly 13mm.The outer diameter φ of the Power Resistor
42mm is highly 18.8mm, and weight is no more than 300g.
The utility model uses for reference the thick-film technique of chip resistor core, due to, around form, itself being not present without using line
The shortcomings that inductance, it is ensured that the ability of enough pulse energy-absorbings.Resistor core material is stronger using anti-surge ability
Resistance slurry, while cricoid ceramic substrate is used, it realizes and prints more resistance slurries in ceramic matrix small as far as possible, increase
Product power capability is added.Certain position is reserved on conductor paste on ceramic matrix, is used for welding high-temperature resisting lead-out wire (structure
See Fig. 3)；The problem of heat dissipation effect deficiency is equally existed since ceramic matrix is used only, by ceramic matrix back metal,
Then it is welded on the nickel plating red copper radiator of trough of belt.The thermal conductivity of red copper greatly improves product heat dissipation up to 380W/ (m* DEG C)
Ability；Radiator bottom is size φ 42mm × 13mm, is 394J/ (kg* DEG C) in conjunction with red copper specific heat capacity, greatly improves product
Thermal capacitance makes that a large amount of pulse energy can be absorbed in the product short time.Lead-out wire passes through the card slot of radiator simultaneously, increases its installation
Intensity (structure is shown in Fig. 4 and Fig. 5).On resistance slurry surface other than insulating protective layer, also one layer of organic silicon insulation sealing of encapsulating
Glue.It not only increases product insulating capacity, while increasing the fastness of ceramic matrix and lead-out wire (structure is shown in Fig. 6).
When using such resistor, it is only necessary to be mounted on the radiator of resistor using on platform by mounting hole, together
When lead-out wire connect with pulse input end.The pulse electricity that resistance slurry when work on resistance ceramic matrix transmits lead-out wire
Thermal energy can be converted into；Thermal energy is transmitted to radiator by ceramic matrix；Radiator passes through its high thermal conductivity ability and thermal capacitance for thermal energy
It is transmitted to mounting platform, guarantees that resistor is constant all the time within the scope of normal working temperature.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization.It can be applied to various fields suitable for the present invention completely.For those skilled in the art,
Other modifications may be easily implemented.Therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. a kind of Power Resistor of pulse energy-absorbing characterized by comprising
Annular resistor ontology comprising ring-shaped pottery matrix, the ceramic matrix front printed resistor slurry are formed with opening
Circular ring shape resistance slurry layer, be printed with the conductive paste bed of material, the conductive paste bed of material respectively on the ceramic matrix at resistance slurry layer both ends
On preset pad for welding lead-out wire, lead-out wire one end is welded on ceramic matrix；The resistance slurry layer surface print
Brush insulating protective layer, insulation protection layer surface encapsulating organic silicon insulation sealant layer；The ceramic matrix back side setting metal connects
Connect layer；
Radiator, for cylindrical nickel plating red copper radiator, radiator opens up circular through hole, radiator front along central axis
Offer the annular groove with the through-hole concentric；The annular resistor ontology is set in annular groove, and makes ceramics
The matrix back side is contacted with groove floor downwards, and is weldingly fixed in annular groove by metal connecting layer；In annular groove
Lead-out wire card slot is opened up on wall surface, lead-out wire free end is then passed through through-hole after fixing via card slot limit and extends to radiator
Outside the back side.
2. the Power Resistor of pulse energy-absorbing as described in claim 1, which is characterized in that the metal connecting layer and annular
By solder tin welding between groove floor, and soldering-tin layer is formed therebetween.
3. the Power Resistor of pulse energy-absorbing as described in claim 1, which is characterized in that the radiator side is provided with
For being fixed on radiator using two mounting holes on platform, two mounting holes are symmetrical arranged.
4. the Power Resistor of pulse energy-absorbing as claimed in claim 3, which is characterized in that the card slot includes being set side by side
Two card slots.
5. the Power Resistor of pulse energy-absorbing as claimed in claim 4, which is characterized in that the outer diameter φ of the radiator is
42mm is highly 13mm.
6. the Power Resistor of pulse energy-absorbing as claimed in claim 5, which is characterized in that the outer diameter of the Power Resistor
φ 42mm is highly 18.8mm, and weight is no more than 300g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091307.7U CN208489061U (en) | 2018-07-11 | 2018-07-11 | A kind of Power Resistor of pulse energy-absorbing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091307.7U CN208489061U (en) | 2018-07-11 | 2018-07-11 | A kind of Power Resistor of pulse energy-absorbing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208489061U true CN208489061U (en) | 2019-02-12 |
Family
ID=65246224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821091307.7U Active CN208489061U (en) | 2018-07-11 | 2018-07-11 | A kind of Power Resistor of pulse energy-absorbing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208489061U (en) |
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2018
- 2018-07-11 CN CN201821091307.7U patent/CN208489061U/en active Active
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