CN203690031U - Lead type thick-film non-inductive high-voltage dividing resistor - Google Patents
Lead type thick-film non-inductive high-voltage dividing resistor Download PDFInfo
- Publication number
- CN203690031U CN203690031U CN201420050698.3U CN201420050698U CN203690031U CN 203690031 U CN203690031 U CN 203690031U CN 201420050698 U CN201420050698 U CN 201420050698U CN 203690031 U CN203690031 U CN 203690031U
- Authority
- CN
- China
- Prior art keywords
- resistance
- lead
- aluminium oxide
- oxide ceramics
- lead type
- 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.)
- Expired - Lifetime
Links
- 230000001939 inductive effect Effects 0.000 title abstract 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000010949 copper Substances 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 87
- 239000000919 ceramic Substances 0.000 claims description 29
- 239000002002 slurry Substances 0.000 claims description 19
- 238000005245 sintering Methods 0.000 claims description 8
- 239000002966 varnish Substances 0.000 claims description 6
- 229910052770 Uranium Inorganic materials 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 4
- 239000011224 oxide ceramic Substances 0.000 abstract 5
- 229910052574 oxide ceramic Inorganic materials 0.000 abstract 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 5
- 239000003973 paint Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a lead type thick-film non-inductive high-voltage dividing resistor. The resistor comprises an aluminum oxide ceramic stick and two nickel-clad copper caps, wherein the two nickel-clad copper caps are arranged at two ends of the aluminum oxide ceramic stick correspondingly, electrodes and a resistance paste layer are sintered on the surface of the aluminum oxide ceramic stick, two ends of the resistance paste layer are connected onto the electrodes, respectively, the electrodes and the resistance paste layer are sintered on the surface of the aluminum oxide ceramic stick to form a resistor main body, insulating paint coats the surface of the resistor main body, and a lead is welded on one electrode. According to the lead type thick-film non-inductive high-voltage dividing resistor, as the electrodes and the resistance paste layer are sintered on the aluminum oxide ceramic stick, a non-inductive thick-film resistance network of the resistor is realized; the lead is welded on one electrode, so that the electric connection structure of the resistor is firm and reliable, the installation position is not limited, the distance of the lead can be adjusted according to the actual requirement, the using convenience is improved, the matching precision can reach 0.1% and the matching temperature coefficient can reach 15PPM.
Description
Technical field
The utility model relates to technical field of electronic components, relates in particular to the noninductive high pressure divider resistance of a kind of lead type thick film.
Background technology
At present, electric power system adopts traditional induction voltage transformer to realize the measurement to voltage signal mostly.Electromagnetic potential transformer has that accuracy of measurement is high in the range of linearity, manufacturing process is ripe, test verification standard, have national standard can according to etc. advantage, at long time endoadaptation power system measuring requirement, but be subject to the restriction of its sensor mechanism, some performance still cannot be satisfactory, the main problem existing is as follows: volume is large, dynamic range is little, service band is narrow, and have ferro resonance, double measurement can not short circuit, therefore cannot meet the measurement to voltage signal.
Utility model content
For the weak point existing in above-mentioned technology, the utility model provides a kind of lead type thick film simple in structure, solid and reliable, that dynamic range is large and service band is wide noninductive high pressure divider resistance.
For achieving the above object, the utility model provides a kind of lead type thick film noninductive high pressure divider resistance, comprise aluminium oxide ceramics rod and two nickel-clad copper caps, two nickel-clad copper cap correspondences are arranged on the two ends of aluminium oxide ceramics rod, on the surface of described aluminium oxide ceramics rod, sintering has electrode and resistance slurry layer, and described resistance slurry layer two ends are connected on electrode, after described aluminium oxide ceramics rod sintered electrode and resistance slurry layer, form resistance body, and be coated with insulating varnish on the surface of described resistance body; On described electrode, be welded with lead-in wire.
Wherein, described lead-in wire comprises core and insulating case; Described core is wrapped in insulating case, and two ends of described core all extend insulating case, and an end of described core is welded on electrode, and another end of described core is electrically connected with external power source.
Wherein, the surperficial sintering of described resistance slurry layer has glass uranium layer.
Wherein, on each nickel-clad copper cap, be equipped with the installation screw for fixing this resistance.
Wherein, the length of described aluminium oxide ceramics rod is 73mm, and diameter is 20mm.
Wherein, the external diameter of described each nickel-clad copper cap be 21mm, highly for 10mm.
Wherein, the aluminium oxide ceramics rod that described aluminium oxide ceramics rod is 96%.
The beneficial effects of the utility model are: compared with prior art, the noninductive high pressure divider resistance of lead type thick film that the utility model provides, after aluminium oxide ceramics rod sintered electrode and resistance slurry layer, form resistance body, and be coated with insulating varnish on the surface of resistance body, effectively avoid occurring after using for a long time the phenomenon of electric leakage, at aluminium oxide ceramics rod sintered electrode and resistance slurry layer, realize the noninductive design thick film resistor network of this resistance; And on electrode, be welded with lead-in wire, make the electric connection structure of this resistance solid and reliable, and installation site is unrestricted, can adjust according to actual needs the distance of lead-in wire, improve the convenience using, and Accuracy Matching can reach 0.1%, temperature coefficient match can reach 15PPM, has realized the effect that dynamic range is large and service band is wide.The utlity model has simple in structure, reasonable in design, volume is little, the feature such as practical.
Accompanying drawing explanation
Fig. 1 is the stereogram of the noninductive high pressure divider resistance of lead type thick film of the present utility model.
Main element symbol description is as follows:
10, aluminium oxide ceramics rod 11, nickel-clad copper cap
12, electrode 13, resistance slurry layer
14, lead-in wire 141, core
142, insulating case
Embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1, lead type thick film of the present utility model is noninductive high pressure divider resistance, comprise aluminium oxide ceramics rod 10 and two nickel-clad copper caps 11, two nickel-clad copper cap 11 correspondences are arranged on the two ends of aluminium oxide ceramics rod 10, on the surface of aluminium oxide ceramics rod 10, sintering has electrode 12 and resistance slurry layer 13, and resistance slurry layer 13 two ends are connected on electrode 12, aluminium oxide ceramics rod 10 sintered electrodes 12 and the rear formation resistance body of resistance slurry layer 13, and on the surface of resistance body, be coated with insulating varnish (not shown); On electrode 12, be welded with lead-in wire 14.On each nickel-clad copper cap 11, be equipped with the installation screw for fixing this resistance, resistance slurry layer 13 has special graphic designs.
Compared to the situation of prior art, the noninductive high pressure divider resistance of lead type thick film that the utility model provides, aluminium oxide ceramics rod 10 sintered electrodes 12 and the rear formation resistance body of resistance slurry layer 13, and be coated with insulating varnish on the surface of resistance body, effectively avoid occurring after using for a long time the phenomenon of electric leakage, at aluminium oxide ceramics rod 10 sintered electrodes 12 and resistance slurry layer 13, realize the noninductive design thick film resistor network of this resistance; And on electrode 12, be welded with lead-in wire 14, make the electric connection structure of this resistance solid and reliable, and installation site is unrestricted, can adjust according to actual needs the distance of lead-in wire 14, improve the convenience using, and Accuracy Matching can reach 0.1%, temperature coefficient match can reach 15PPM, has realized the effect that dynamic range is large and service band is wide.The utlity model has simple in structure, reasonable in design, volume is little, the feature such as practical.
In the present embodiment, lead-in wire 14 comprises core 141 and insulating case 142; Core 141 is wrapped in insulating case 142, and two ends of core 141 all extend insulating case 142, and an end of core 141 is welded on electrode 12, and another end of core 141 is electrically connected with external power source.The utility model 14 is realized being electrically connected of resistance and external power source by going between, and can select according to the distance between external power source and this resistance the distance of lead-in wire 14.Certainly, the utility model is not limited to the structure of lead-in wire 14, if the improvement to 14 structures that go between, as long as can guarantee that resistance-type adopts the mode of lead-in wire 14 mode processing, all falls in protection range of the present utility model.
In the present embodiment, the surperficial sintering of resistance slurry layer 13 has glass uranium layer (not shown).The length of aluminium oxide ceramics rod 10 is 73mm, and diameter is 20mm.The external diameter of each nickel-clad copper cap 11 is 21mm, highly for 10mm.The aluminium oxide ceramics rod that aluminium oxide ceramics rod 10 is 96%.This aluminium oxide ceramics of 96% can bought on the market.
The noninductive high pressure divider resistance of lead type thick film that the utility model provides, its making step is as follows: at 73mm, before and after on the 96% aluminium oxide ceramics porcelain rod 10 of diameter 20mm, print respectively sintered electrode 12, resistance slurry layer 13, , sintering temperature is 850 ℃, be coated with again last layer glass uranium, sintering temperature is 550 ℃, then by cap presser by two with M4 standard screw, external diameter is 21mm, highly for the nickel-clad copper cap 11 of 10mm is arranged on aluminium oxide ceramics porcelain rod 10, welding lead 14 on electrode 12 in point pressure side again, finally by crossing laser grooving, surface is coated with resistant to elevated temperatures insulating varnish.
Disclosed is above only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.
Claims (7)
1. the noninductive high pressure divider resistance of lead type thick film, it is characterized in that, comprise aluminium oxide ceramics rod and two nickel-clad copper caps, two nickel-clad copper cap correspondences are arranged on the two ends of aluminium oxide ceramics rod, on the surface of described aluminium oxide ceramics rod, sintering has electrode and resistance slurry layer, and described resistance slurry layer two ends are connected on electrode, after described aluminium oxide ceramics rod sintered electrode and resistance slurry layer, form resistance body, and be coated with insulating varnish on the surface of described resistance body; On described electrode, be welded with lead-in wire.
2. the noninductive high pressure divider resistance of lead type thick film according to claim 1, is characterized in that, described lead-in wire comprises core and insulating case; Described core is wrapped in insulating case, and two ends of described core all extend insulating case, and an end of described core is welded on electrode, and another end of described core is electrically connected with external power source.
3. the noninductive high pressure divider resistance of lead type thick film according to claim 1, is characterized in that, the surperficial sintering of described resistance slurry layer has glass uranium layer.
4. the noninductive high pressure divider resistance of lead type thick film according to claim 1, is characterized in that, on each nickel-clad copper cap, is equipped with the installation screw for fixing this resistance.
5. the noninductive high pressure divider resistance of lead type thick film according to claim 1, is characterized in that, the length of described aluminium oxide ceramics rod is 73mm, and diameter is 20mm.
6. the noninductive high pressure divider resistance of lead type thick film according to claim 4, is characterized in that, the external diameter of described each nickel-clad copper cap is 21mm, highly for 10mm.
7. the noninductive high pressure divider resistance of lead type thick film according to claim 5, is characterized in that, the aluminium oxide ceramics rod that described aluminium oxide ceramics rod is 96%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050698.3U CN203690031U (en) | 2014-01-26 | 2014-01-26 | Lead type thick-film non-inductive high-voltage dividing resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050698.3U CN203690031U (en) | 2014-01-26 | 2014-01-26 | Lead type thick-film non-inductive high-voltage dividing resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690031U true CN203690031U (en) | 2014-07-02 |
Family
ID=51011905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420050698.3U Expired - Lifetime CN203690031U (en) | 2014-01-26 | 2014-01-26 | Lead type thick-film non-inductive high-voltage dividing resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297538A (en) * | 2014-11-12 | 2015-01-21 | 核工业理化工程研究院 | High-power efficient cooling protective resistor |
-
2014
- 2014-01-26 CN CN201420050698.3U patent/CN203690031U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297538A (en) * | 2014-11-12 | 2015-01-21 | 核工业理化工程研究院 | High-power efficient cooling protective resistor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203405507U (en) | Integrally cast electronic voltage transformer for detecting current | |
| CN103792403A (en) | High-voltage divider | |
| CN102830257A (en) | High-voltage resistor type voltage dividing device | |
| CN203690031U (en) | Lead type thick-film non-inductive high-voltage dividing resistor | |
| CN203798883U (en) | Micro-current high-precision resistor type voltage dividing device | |
| CN203940931U (en) | A kind of novel quick response temperature sensor | |
| CN203690030U (en) | Hoop type thick-film non-inductive high-voltage dividing resistor | |
| CN203324357U (en) | Electronic voltage transformer used for detecting high voltage resistor current | |
| CN204360906U (en) | A kind of intelligent dry-type transformer sleeve pipe | |
| CN104459262A (en) | High-voltage measuring resistance voltage divider | |
| CN203982936U (en) | A kind of novel AC resistance device structure | |
| CN204287283U (en) | A kind of high-tension measurement resitstance voltage divider lead link structure | |
| CN204066915U (en) | A kind of Mirror Grinding | |
| CN203386551U (en) | Copper sheathing leading-out type resistance voltage divider | |
| CN203745638U (en) | Novel short connection insert block used for secondary terminal bar of voltage transformer | |
| CN104252929A (en) | High-precision copper bush leading-out type glass glaze resistance voltage divider | |
| CN202886441U (en) | High-voltage resistor-type voltage divider | |
| CN205080952U (en) | Glass glaze membrane divider for high -tension apparatus | |
| CN104502664A (en) | Low-resistance non-inductive self-integration Rogowski coil integration resistor and manufacturing method thereof | |
| CN204116446U (en) | A kind of voltage for high voltage converter and frequency measuring equipment | |
| CN203596231U (en) | Surface mounting type piezoresistor | |
| CN207852478U (en) | A kind of cup type high voltage ceramic capacitor | |
| CN203385778U (en) | Glass glaze resistance voltage divider with voltage dividing ratio of 1:500-5000 | |
| CN207353092U (en) | A kind of tubulose high voltage ceramic capacitor with umbrella skirt construction | |
| CN203386550U (en) | High-precision copper sleeve lead-out type resistance voltage divider |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211101 Address after: 523648 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 5th and 6th floors, north of building 23, science and Technology Industrial Park, Shenzhen, Guangdong Patentee before: EBG-SHENZHEN Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |