CN204287283U - A kind of high-tension measurement resitstance voltage divider lead link structure - Google Patents
A kind of high-tension measurement resitstance voltage divider lead link structure Download PDFInfo
- Publication number
- CN204287283U CN204287283U CN201420759850.5U CN201420759850U CN204287283U CN 204287283 U CN204287283 U CN 204287283U CN 201420759850 U CN201420759850 U CN 201420759850U CN 204287283 U CN204287283 U CN 204287283U
- Authority
- CN
- China
- Prior art keywords
- voltage divider
- noninductive
- tension measurement
- precision
- lead
- 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
Abstract
The utility model relates to a kind of high-tension measurement resitstance voltage divider lead link structure, high-tension measurement resitstance voltage divider comprises the noninductive precision voltage divider of high pressure, described high pressure is noninductive precision voltage divider is by one or more accurate noninductive resistances high-voltage arm in series and low-voltage arm resistance, adjacent accurate noninductive resistance is connected by grading ring, described grading ring offers welding hole, and the lead-in wire of adjacent accurate noninductive resistance is connected by solder in this welding hole.
Description
Technical field
The utility model relates to high voltage ac/dc voltage tester technical field, and particularly high voltage ac/dc voltage precision is measured.
Background technology
Adopt voltage divider to measure high voltage ac/dc voltage, the precision of measurement depends primarily on the precision of the measurement voltage divider of design.Usual combined-voltage is measured design that voltage divider meets accuracy requirement and is mainly concentrated on the aspect researchs such as the insulating property of the stability chosen of resistance device, electric-field intensity distribution and material.Accurate voltage is measured, deviser adopts reasonable voltage divider arrangement, and maskable segment space electric field, raising combined-voltage measuring accuracy are accurate, reduce outside electromagnetic interference to the impact of voltage divider, but can not realize full-shield, the structure being difficult to high-acruracy survey or design is too complicated.China's DC transmission system is in order to ensure the accurate of voltage measurement in addition, the electric current of requirement DC voltage measuring device is 1mA or 2mA, the thermal power of measurement mechanism is comparatively large, adopts common voltage divider method for designing, can not meet DC voltage measuring device reliably and with long-term with stable operation.
Utility model content
The purpose of this utility model is to provide a kind of high-tension measurement resitstance voltage divider lead link structure, and it is applicable to the high precision precision measurement of high voltage ac/dc voltage.
For reaching above object, the utility model adopts following technical scheme to be achieved.
A kind of high-tension measurement resitstance voltage divider lead link structure, high-tension measurement resitstance voltage divider comprises the noninductive precision voltage divider of high pressure, described high pressure is noninductive precision voltage divider is by one or more accurate noninductive resistances high-voltage arm in series and low-voltage arm resistance, adjacent accurate noninductive resistance is connected by grading ring, described grading ring offers welding hole, and the lead-in wire of adjacent accurate noninductive resistance is connected by solder in this welding hole.
The measuring junction lead-in wire of described high-tension measurement resitstance voltage divider is drawn after welding in the welding hole of grading ring by the upper and lower two-end-point lead-in wire of the low-voltage arm resistance of the noninductive precision voltage divider of high pressure.
Described high-tension measurement full-shield resitstance voltage divider comprises the shielding resistive element of hollow further, and described high pressure is noninductive, and precision voltage divider is placed in this shielding resistive element, and this shielding resistive element adopts ceramic light wall pipe, its outer wall coating high resistant thick film.
Insulating medium is filled with in the inner space that described high pressure is noninductive to be formed between precision voltage divider and shielding resistive element.
Described high pressure is noninductive, and precision voltage divider adopts full-shield structure.
Described shielding resistive element has identical resistance value with on high voltage precision voltage divider how height in office.
Compared with prior art, the utility model at least has following beneficial effect: the utility model lead link structure is: high pressure is noninductive precision voltage divider is by one or more accurate noninductive resistances high-voltage arm in series and low-voltage arm resistance, adjacent accurate noninductive resistance is connected by grading ring, described grading ring offers welding hole, and the lead-in wire of adjacent accurate noninductive resistance is connected by solder in this welding hole.Therefore, whole voltage divider inside connects without any metallic screw, to reduce the generation of corona and shelf depreciation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model high-tension measurement full-shield resitstance voltage divider.
Fig. 2 is the structure for amplifying schematic diagram of the first half in Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram of the latter half in Fig. 1.
Fig. 4 is the structural representation of the utility model internal high pressure precision voltage divider the first half.
Fig. 5 is the structural representation of the utility model internal high pressure precision voltage divider the latter half.
1-connects ring; 2-flange; 3-metal flange; 4-shields resistive element; 5-high pressure is noninductive precision voltage divider; 6-counter flange; 7-goes between; 9-low-voltage arm resistance; 10-noninductive resistance; 11-welding hole; 12-grading ring.
Embodiment
Fig. 1 is the utility model mesohigh measuring resistance voltage divider arrangement schematic diagram.The utility model high-tension measurement resitstance voltage divider comprises the shielding resistive element 4 of separate outside and inner high voltage precision voltage divider 5, described shielding resistive element 4, effect is shielding space electric field, described high pressure is noninductive precision voltage divider 5, and effect is precision measurement combined-voltage.Described shielding resistive element 4 adopts ceramic light wall pipe, equipped upper and lower metal flange 3, and the outer wall coating high resistant thick film of described ceramic light wall pipe, upper and lower metal flange 3 is reliably electrically connected with high resistant thick film.
Described shielding resistive element 4 is connected by connection ring 1 setting up and down with the noninductive precision voltage divider of high pressure 5, this connection ring preferred insulative material, certainly, adopts metal material also can realize.Specifically, described connection ring 1 adopts epoxy to glue connection to form with the shielding inwall of resistive element and the upper lower flange 2 of high voltage precision voltage divider respectively.Described connection ring 1 is provided with via hole.
Refer to shown in Fig. 2 to Fig. 5, described high voltage precision voltage divider 5 adopts one or more accurate noninductive resistance high-voltage arm in series resistance and low-voltage arm resistance 9 (the present embodiment adopts multiple accurate noninductive resistance series connection), please consult especially shown in Fig. 4 and Fig. 5, adjacent accurate noninductive resistance is connected by grading ring 12, described grading ring 12 offers welding hole 11, the lead-in wire of adjacent accurate noninductive resistance is fixedly connected with by solder in this welding hole, the lead-in wire of described high-voltage arm accurate noninductive resistance topmost, connecting to weld with its counter flange 6 is electrically connected with flange 2 afterwards.Described high-voltage arm resistance lead bottom, go between with low-voltage arm resistance upper end and realize butt welding by the welding hole of grading ring, is electrically connected after described low-voltage arm resistance lead-in wire bottom and counter flange 6 are connected and welded with its lower flange 2; The measuring junction lead-in wire of described high pressure is noninductive precision voltage divider, respectively by with 2 points on low-voltage arm resistance lead end, by connecting the via hole extraction of ring 1 after weld in the welding hole of grading ring with lead-in wire 7.
The high and low pressure arm resistance of described shielding resistive element resistance, high pressure is noninductive precision voltage divider can configure according to actual needs.
The utility model lead link structure is: high pressure is noninductive precision voltage divider is by one or more accurate noninductive resistances high-voltage arm in series and low-voltage arm resistance, adjacent accurate noninductive resistance is connected by grading ring, described grading ring offers welding hole, and the lead-in wire of adjacent accurate noninductive resistance is connected by solder in this welding hole.Therefore, whole voltage divider inside connects without any metallic screw, to reduce the generation of corona and shelf depreciation.
A kind of high-tension measurement resitstance voltage divider that the utility model proposes, adopts reasonable voltage divider arrangement, and maskable space electric field, raising combined-voltage measuring accuracy, reduce outside electromagnetic interference to the impact of voltage divider; Adopt reasonable voltage divider arrangement also can reduce to measure the thermal power of voltage divider simultaneously, add voltage divider long-term reliability and stability, make voltage divider measurement Primary Component hot(test)-spot temperature can not exceed the running temperature of regulation for a long time, ensure that voltage divider long-time running is reliable, avoid, because device local pyrexia causes the performance of Partial key device, insulating material to reduce, even causing voltage divider external insulation puncture and have an accident.
The beneficial effects of the utility model comprise:
(1) high-tension measurement resitstance voltage divider disclosed in the utility model, the high voltage precision voltage divider of outside shielding resistive element and inside is separate, high voltage precision voltage divider is placed in shielding resistive element inner, therefore, withstand voltage height, volume be little, lightweight, not easily initiation fire, the homogeneity of Potential distribution under effective solution combined-voltage, improves voltage divider withstand voltage level and functional reliability.
(2) described shielding resistive element has identical resistance value with inner high voltage precision voltage divider and shield on its any equal altitudes, and improve withstand voltage, local discharging level, the generation of reduction corona, ensure that precision measurement.
(3) described high-tension measurement resitstance voltage divider total current is made up of external high pressure shielding resistive element and internal high pressure precision voltage divider two parts respectively, wherein internal high pressure precision voltage divider only bears a part for resitstance voltage divider working current, the thermal power measuring voltage divider can be reduced, add voltage divider long-term reliability and stability.Particularly be applied in direct-current ultra high voltage measuring process, effectively can reduce the larger thermal power that voltage divider inside exists, thus voltage divider running temperature be reduced, raising extra-high voltage direct-current voltage measuring apparatus serviceable life.
(4) described high-tension measurement resitstance voltage divider, internal high pressure precision voltage divider adopts full-shield structure, improves combined-voltage measuring accuracy accurate, reduces the impact of outside electromagnetic interference on voltage divider.
(5) whole voltage divider inside connects without any metallic screw, to reduce the generation of corona and shelf depreciation.
Claims (6)
1. a high-tension measurement resitstance voltage divider lead link structure, it is characterized in that, high-tension measurement resitstance voltage divider comprises the noninductive precision voltage divider of high pressure, described high pressure is noninductive precision voltage divider is by one or more accurate noninductive resistances high-voltage arm in series and low-voltage arm resistance, adjacent accurate noninductive resistance is connected by grading ring (12), described grading ring (12) offers welding hole (11), the lead-in wire of adjacent accurate noninductive resistance is connected by solder in this welding hole.
2. high-tension measurement resitstance voltage divider lead link structure according to claim 1, it is characterized in that, the measuring junction lead-in wire of described high-tension measurement resitstance voltage divider is drawn after welding in the welding hole of grading ring by the upper and lower two-end-point lead-in wire of the low-voltage arm resistance of the noninductive precision voltage divider of high pressure.
3. high-tension measurement resitstance voltage divider lead link structure according to claim 1, it is characterized in that, described high-tension measurement resitstance voltage divider comprises the shielding resistive element of hollow further, described high pressure is noninductive, and precision voltage divider is placed in this shielding resistive element, this shielding resistive element adopts ceramic light wall pipe, its outer wall coating high resistant thick film.
4. high-tension measurement resitstance voltage divider lead link structure according to claim 3, is characterized in that, is filled with insulating medium in the inner space that described high pressure is noninductive to be formed between precision voltage divider and shielding resistor.
5. a kind of high-tension measurement resitstance voltage divider lead link structure according to claim 1, is characterized in that: described high pressure is noninductive, and precision voltage divider adopts full-shield structure.
6. a kind of high-tension measurement resitstance voltage divider lead link structure according to claim 3, is characterized in that: described shielding resistive element (4) has identical resistance value with on high voltage precision voltage divider (5) how height in office.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759850.5U CN204287283U (en) | 2014-12-04 | 2014-12-04 | A kind of high-tension measurement resitstance voltage divider lead link structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759850.5U CN204287283U (en) | 2014-12-04 | 2014-12-04 | A kind of high-tension measurement resitstance voltage divider lead link structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204287283U true CN204287283U (en) | 2015-04-22 |
Family
ID=52870432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420759850.5U Active CN204287283U (en) | 2014-12-04 | 2014-12-04 | A kind of high-tension measurement resitstance voltage divider lead link structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204287283U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782038A (en) * | 2018-12-29 | 2019-05-21 | 重庆大学 | A kind of voltage divider for high-voltage pulse and production method |
| US11099214B2 (en) | 2017-05-17 | 2021-08-24 | 3M Innovative Properties Company | Sensors with discrete capacitors for high voltage separable connectors |
-
2014
- 2014-12-04 CN CN201420759850.5U patent/CN204287283U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11099214B2 (en) | 2017-05-17 | 2021-08-24 | 3M Innovative Properties Company | Sensors with discrete capacitors for high voltage separable connectors |
| US11525843B2 (en) | 2017-05-17 | 2022-12-13 | 3M Innovative Properties Company | Sensors with discrete capacitors for high voltage separable connectors |
| CN109782038A (en) * | 2018-12-29 | 2019-05-21 | 重庆大学 | A kind of voltage divider for high-voltage pulse and production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204116460U (en) | A kind of measuring system being applicable to insulating material high field conduction characteristic | |
| CN101520471B (en) | Novel DC pulsed attenuator | |
| CN108919073B (en) | Insulator surface flashover discharge energy measurement device and method | |
| CN103389452B (en) | Manual fast lifting pressing formula probe test instrument | |
| CN204287283U (en) | A kind of high-tension measurement resitstance voltage divider lead link structure | |
| CN104459262A (en) | High-voltage measuring resistance voltage divider | |
| CN203798883U (en) | Micro-current high-precision resistor type voltage dividing device | |
| CN103513081B (en) | A kind of resistor-type impulse voltage divider of high accuracy fast-response | |
| CN102109590B (en) | Solid foaming insulation direct-current standard voltage divider for extra-high voltage field | |
| CN201498349U (en) | Secondary load box of voltage mutual inductor for metering high voltage | |
| CN107179429A (en) | A kind of new capacitance-resistance parallel voltage divider | |
| CN204189588U (en) | A kind of intelligent oil-impregnated paper condenser type transformer bushing | |
| CN203982936U (en) | A kind of novel AC resistance device structure | |
| CN207281133U (en) | A kind of single-phase electronic energy meter galvanic element structure | |
| CN204375571U (en) | A kind of novel capacitor | |
| CN103543316B (en) | The transient voltage measuring system of Transformer Winding and method | |
| CN203377839U (en) | Manual voltage boosting and reducing pin-type probe detector | |
| CN203690031U (en) | Lead type thick-film non-inductive high-voltage dividing resistor | |
| CN205786989U (en) | A kind of insulator null value high-precision detection device | |
| CN205027870U (en) | Insulating detection device based on damped oscillation principle | |
| CN105047336A (en) | Oil-filled ac-dc difference calculable resistor | |
| CN204166021U (en) | The manganese copper diverter of embedded anti-alternating magnetic field | |
| CN202678014U (en) | Overvoltage suppression resistor for detector connected with live high-voltage bus | |
| CN204882648U (en) | High pressure electric energy meter comprehensive sensor | |
| CN204719181U (en) | The pressure resistant testing device of insulating paper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210823 Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |