CN202631686U - Partial discharge detector for composite apparatus - Google Patents
Partial discharge detector for composite apparatus Download PDFInfo
- Publication number
- CN202631686U CN202631686U CN 201220298731 CN201220298731U CN202631686U CN 202631686 U CN202631686 U CN 202631686U CN 201220298731 CN201220298731 CN 201220298731 CN 201220298731 U CN201220298731 U CN 201220298731U CN 202631686 U CN202631686 U CN 202631686U
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- Prior art keywords
- dipole electrode
- butterfly
- printed circuit
- partial discharge
- butterfly dipole
- 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.)
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Abstract
The utility model discloses a partial discharge detector for a composite apparatus. The partial discharge detector comprises a matched capacitor, a matched inductor, a printed circuit board (PCB), a butterfly-shaped dipole electrode, a signal adapter, an insulated supporting block and a metal shield hood, wherein the matched capacitor and the matched inductor are connected in series and connected with the butterfly-shaped dipole electrode in parallel to form a signal collection circuit; the matched capacitor, the matched inductor and the butterfly dipole electrode are fixed on the PCB and connected through a printed circuit; the butterfly-shaped dipole electrode is connected with the signal adapter so as to lead out a partial discharge signal; the butterfly-shaped dipole electrode and the insulated supporting block are fixed by a screw; and the insulated supporting block and the metal shield hood are connected so as to realize shielding of external signals. The partial discharge detector can be used for detecting partial discharge of various grades of composite apparatus equipment with compact structures, and are good in reliability and sensitivity, compact in structure, and is not deformed after long-time operation.
Description
Technical field
The utility model relates to a kind of local discharge superhigh frequency detection system, specifically is a kind of local discharge detection device that is used for combined electrical apparatus.
Background technology
The combined electric appliance equipment compact in design, the space is less, and present existing product size is bigger, can't directly apply to the on-line monitoring system of combined electrical apparatus, influences the sensitivity and the reliability of partial discharge monitoring.
The utility model content
The purpose of the utility model provides a kind of local discharge detection device that is used for combined electrical apparatus, can directly apply to the on-line monitoring system of combined electrical apparatus, and improves the sensitivity and the reliability of on-line monitoring.
The utility model is through realizing above-mentioned purpose with technical scheme: a kind of local discharge detection device that is used for combined electrical apparatus is made up of matching capacitance, coupling inductance, printed circuit board, butterfly dipole electrode, signal converting head, dielectric support block and metallic shield.Said matching capacitance is parallelly connected with butterfly dipole electrode with the series connection of coupling inductance, forms the signals collecting loop; Matching capacitance, coupling inductance and butterfly dipole electrode are fixed on the printed circuit board, and connected mode realizes through printed circuit; Butterfly dipole electrode is connected with the signal converting head, draws local discharge signal; Butterfly dipole electrode and dielectric support block are fixed through screw; Dielectric support block is connected with metallic shield, realizes the external signal shielding.
Described butterfly dipole electrode is directly fixed through printed circuit technology on printed circuit board.
Said matching capacitance and coupling inductance are welded to the two ends of butterfly dipole electrode respectively.
Said signal converting head is welded to the exit of butterfly dipole electrode.
Said butterfly dipole electrode is fixed on the dielectric support block.
The advantage of the utility model is:
1. the antenna size of butterfly dipole electrode formation can be used for each grade combined electric appliance equipment partial discharge monitoring of compact conformation much smaller than conventional antenna.
2. printed circuit board process realizes connecting, and reliability and remolding sensitivity manual welding are better.
3. compact conformation, but long-time running does not produce structure failures such as deformation.
Description of drawings
Fig. 1 is the described block diagram that is used for the local discharge detection device of combined electrical apparatus of the utility model.
Embodiment
Below through accompanying drawing and embodiment the technical scheme of the utility model is described further.
The described local discharge detection device that is used for combined electrical apparatus of the utility model is made up of matching capacitance 1, coupling inductance 2, printed circuit board 3, butterfly dipole electrode 4, signal converting head 5, dielectric support block 6 and metallic shield 7.
Wherein, said matching capacitance 1 is parallelly connected with butterfly dipole electrode 4 with 2 series connection of coupling inductance, forms the signals collecting loop; Matching capacitance 1, coupling inductance 2 and butterfly dipole electrode 4 are fixed on the printed circuit board 3, and connected mode realizes through printed circuit; Butterfly dipole electrode 4 is connected with signal converting head 5, draws local discharge signal; Butterfly dipole electrode 4 and dielectric support block 6 are fixed through screw; Dielectric support block 6 is connected with metallic shield 7, realizes the external signal shielding.
The described method for making step that is used for the local discharge detection device of combined electrical apparatus:
1, butterfly dipole electrode 4 is directly fixed through printed circuit technology on printed circuit board 3, carves the connecting line with other parts simultaneously;
2, matching capacitance 1 and coupling inductance 2 are welded to the two ends of butterfly dipole electrode 4 respectively, constitute the signals collecting loop;
3, signal converting head 5 is welded to the exit of butterfly dipole electrode 4, signal is drawn through high frequency cable;
4, will weld good butterfly dipole electrode 4 and be fixed on the dielectric support block 6, and be installed in the metallic shield 7;
5, metallic shield 7 is installed on the combined electrical apparatus body, can be implemented in the high efficient and reliable collection of line monitoring system to local discharge signal.
Claims (5)
1. local discharge detection device that is used for combined electrical apparatus; It is characterized in that; This device is made up of matching capacitance, coupling inductance, printed circuit board, butterfly dipole electrode, signal converting head, dielectric support block and metallic shield; Said matching capacitance is parallelly connected with butterfly dipole electrode with the series connection of coupling inductance, and matching capacitance, coupling inductance and butterfly dipole electrode are fixed on the printed circuit board, and connected mode realizes through printed circuit; Butterfly dipole electrode is connected with the signal converting head, and butterfly dipole electrode and dielectric support block are fixed through screw, and dielectric support block is connected with metallic shield.
2. be used for the local discharge detection device of combined electrical apparatus according to claim 1, it is characterized in that, described butterfly dipole electrode is directly fixed through printed circuit technology on printed circuit board.
3. be used for the local discharge detection device of combined electrical apparatus according to claim 1, it is characterized in that, said matching capacitance and coupling inductance are welded to the two ends of butterfly dipole electrode respectively.
4. be used for the local discharge detection device of combined electrical apparatus according to claim 1, it is characterized in that said signal converting head is welded to the exit of butterfly dipole electrode.
5. be used for the local discharge detection device of combined electrical apparatus according to claim 1, it is characterized in that, said butterfly dipole electrode is fixed on the dielectric support block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298731 CN202631686U (en) | 2012-06-25 | 2012-06-25 | Partial discharge detector for composite apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298731 CN202631686U (en) | 2012-06-25 | 2012-06-25 | Partial discharge detector for composite apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631686U true CN202631686U (en) | 2012-12-26 |
Family
ID=47384875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220298731 Expired - Fee Related CN202631686U (en) | 2012-06-25 | 2012-06-25 | Partial discharge detector for composite apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202631686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606970A (en) * | 2016-02-02 | 2016-05-25 | 合肥工业大学智能制造技术研究院 | Ultra high frequency partial discharge online monitoring system based on spatial filtering method |
-
2012
- 2012-06-25 CN CN 201220298731 patent/CN202631686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606970A (en) * | 2016-02-02 | 2016-05-25 | 合肥工业大学智能制造技术研究院 | Ultra high frequency partial discharge online monitoring system based on spatial filtering method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20140625 |
|
| EXPY | Termination of patent right or utility model |