CN205246816U - Take terminal box of partial discharge detector device - Google Patents
Take terminal box of partial discharge detector device Download PDFInfo
- Publication number
- CN205246816U CN205246816U CN201520980534.5U CN201520980534U CN205246816U CN 205246816 U CN205246816 U CN 205246816U CN 201520980534 U CN201520980534 U CN 201520980534U CN 205246816 U CN205246816 U CN 205246816U
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- terminal box
- main junction
- junction box
- electric capacity
- box
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Abstract
The utility model provides a take terminal box of partial discharge detector device, including main terminal box and PDA terminal box, PDA terminal box fixed mounting is on main terminal box lateral wall, be provided with electric capacity installing support and partial discharge electric capacity in the main terminal box, electric capacity installing support and main terminal box lateral wall fixed connection, the one end of partial discharge electric capacity is fixed on the electric capacity installing support, the other end passes through the one end fixed connection of coaxial cable and terminal box bolt, the other end of terminal box bolt is drawn forth outside the main terminal box through the service cable, the terminal box bolt fastening sets up on main terminal box base, wash port and pressure release hole have been seted up on the main terminal box base, partial discharge electric capacity is still through the cable junction PDA terminal box, the inside partial discharge analysis appearance that is provided with of PDA terminal box. The utility model discloses can in time discover the little electric spark that is difficult for fining that probably exists in the motor winding insulating material space, in time the discovery prevents early.
Description
Technical field
The utility model relates to motor detection technique field, relates in particular to a kind of terminal box with local discharge detection device.
Background technology
Motor is the visual plant that power industry is produced, along with development and the technological progress of power industry, motor is just towards large capacity, high-tension future development, the raising of motor single-machine capacity, for improving motor efficiency, reduce costs, alleviate electrical energy production on the impact of environment provide may, but simultaneously also the safety to motor, reliability service have proposed larger requirement.
When motor work, because of reasons such as internal temperature rising, overloads, winding insulation material can be aging gradually, may have the little electric spark that is difficult for realizing in winding space, if do not found early, insulating materials will accelerate to worsen, until punctured by high-tension electricity, draws motor fault; The catastrophic discontinuityfailure of motor, needs expensive maintenance cost and part replacement to take, and in addition, once large capacity motor breaks down, will cause power outage, even jeopardizes the stable operation of power system.
Utility model content
The purpose of this utility model is to provide a kind of terminal box with local discharge detection device, can find in time the little electric spark that is difficult for realizing that may exist in motor winding insulation material void, finds in time, early prevention.
For achieving the above object, the utility model adopts following technical scheme:
A kind of terminal box with local discharge detection device, comprise main junction box and PDA terminal box, described main junction box comprises main junction box base, main junction box sidewall and main junction box lid, PDA terminal box is fixedly mounted on main junction box sidewall, in main junction box, be provided with electric capacity mounting bracket and local discharge capacity, electric capacity mounting bracket is fixedly connected with main junction box sidewall, one end of shelf depreciation electric capacity is fixed on electric capacity mounting bracket, the other end is fixedly connected with one end of terminal box bolt by coaxial cable, the other end of terminal box bolt is drawn outside main junction box by service cable, terminal box bolt is fixedly installed on main junction box base, on main junction box base, offer osculum and relief hole, shelf depreciation electric capacity also connects PDA terminal box by cable, described PDA terminal box inside is provided with Analysis of Partial Discharge instrument.
Described main junction box entirety is welded-steel plate construction, and the position that main junction box sidewall contacts with main junction box lid is steel plate bending structure, and bending part thickness is 3mm, and on bending part, is provided with sealing strip.
In described main junction box, electric clearance is more than or equal to 120mm, and creep age distance is more than or equal to 160mm, and the degree of protection of main junction box is IP55.
Described shelf depreciation electric capacity has three, and three shelf depreciation electric capacity are provided with insulator outward, and the electric pressure of described shelf depreciation electric capacity, insulator and PDA terminal box is 10KV.
On the sidewall of main junction box, be also provided with earth stud.
The utility model is provided with PDA terminal box on main junction box sidewall, in PDA terminal box, be provided with Analysis of Partial Discharge instrument, can effectively detect the little electric spark that is difficult for realizing that may exist in winding insulation material void, remind staff to keep in repair, avoided the accident of the aging initiation of motor insulation material; Main junction box degree of protection is high, reaches IP55, and electric clearance and creep age distance all meet national standard, safe and reliable; In addition, do not needing to increase under the condition of extra erecting tools, the utility model can exchange completely with existing conventional terminal box, easy for installation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, the utility model comprises main junction box 1 and PDA terminal box 2, main junction box 1 comprises main junction box base, sidewall and main junction box lid, PDA terminal box 2 is fixed on main junction box sidewall, in main junction box 1, be provided with electric capacity mounting bracket 3 and three shelf depreciation electric capacity 4, electric capacity mounting bracket 3 is fixedly connected with main junction box sidewall, one end of three shelf depreciation electric capacity 4 is all fixed on electric capacity mounting bracket 3, the other end is fixedly connected with one end of terminal box bolt 6 by coaxial cable 5, the other end of earth stud is drawn outside main junction box 1 by service cable, terminal box bolt 6 has three, be fixedly installed on respectively on main junction box base, on main junction box base, be also provided with osculum 7 and relief hole 8, shelf depreciation electric capacity 5 also connects PDA terminal box 1 by cable, PDA terminal box 2 inside are provided with Analysis of Partial Discharge instrument, shelf depreciation electric capacity 4 is for detection of the signal of telecommunication between motor insulation winding gap, Analysis of Partial Discharge instrument is for detection of whether having electric spark between motor insulation winding,
Main junction box 1 is welded-steel plate construction, and the position that main junction box sidewall contacts with main junction box lid is steel plate bending structure, and bending part thickness is 3mm, and on bending part, is provided with sealing strip, and sealing strip adopts nitrile rubber to make.
On main junction box sidewall, be also provided with earth stud 9, each shelf depreciation electric capacity is provided with insulator outward, the electric pressure of shelf depreciation electric capacity 4, insulator and PDA terminal box 2 is 10KV, the interior electric clearance of main junction box 1 is more than or equal to 120mm, creep age distance is more than or equal to 160mm, and the degree of protection of main junction box 1 is IP55. Main junction box degree of protection of the present utility model is high, and electric clearance and creep age distance all meet national standard, safe and reliable.
Claims (5)
1. the terminal box with local discharge detection device, it is characterized in that: comprise main junction box and PDA terminal box, described main junction box comprises main junction box base, main junction box sidewall and main junction box lid, PDA terminal box is fixedly mounted on main junction box sidewall, in main junction box, be provided with electric capacity mounting bracket and local discharge capacity, electric capacity mounting bracket is fixedly connected with main junction box sidewall, one end of shelf depreciation electric capacity is fixed on electric capacity mounting bracket, the other end is fixedly connected with one end of terminal box bolt by coaxial cable, the other end of terminal box bolt is drawn outside main junction box by service cable, terminal box bolt is fixedly installed on main junction box base, on main junction box base, offer osculum and relief hole, shelf depreciation electric capacity also connects PDA terminal box by cable, described PDA terminal box inside is provided with Analysis of Partial Discharge instrument.
2. a kind of terminal box with local discharge detection device as claimed in claim 1, it is characterized in that: described main junction box entirety is welded-steel plate construction, the position that main junction box sidewall contacts with main junction box lid is steel plate bending structure, bending part thickness is 3mm, and on bending part, is provided with sealing strip.
3. a kind of terminal box with local discharge detection device as claimed in claim 2, is characterized in that: in described main junction box, electric clearance is more than or equal to 120mm, and creep age distance is more than or equal to 160mm, and the degree of protection of main junction box is IP55.
4. a kind of terminal box with local discharge detection device as claimed in claim 3, it is characterized in that: described shelf depreciation electric capacity has three, three shelf depreciation electric capacity are provided with insulator outward, and the electric pressure of described shelf depreciation electric capacity, insulator and PDA terminal box is 10KV.
5. a kind of terminal box with local discharge detection device as claimed in claim 4, is characterized in that: on the sidewall of main junction box, be also provided with earth stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980534.5U CN205246816U (en) | 2015-12-02 | 2015-12-02 | Take terminal box of partial discharge detector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980534.5U CN205246816U (en) | 2015-12-02 | 2015-12-02 | Take terminal box of partial discharge detector device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205246816U true CN205246816U (en) | 2016-05-18 |
Family
ID=55945895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520980534.5U Active CN205246816U (en) | 2015-12-02 | 2015-12-02 | Take terminal box of partial discharge detector device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205246816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551831A (en) * | 2020-06-01 | 2020-08-18 | 广西电网有限责任公司南宁供电局 | Model machine platform for monitoring partial discharge of distribution cable |
-
2015
- 2015-12-02 CN CN201520980534.5U patent/CN205246816U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551831A (en) * | 2020-06-01 | 2020-08-18 | 广西电网有限责任公司南宁供电局 | Model machine platform for monitoring partial discharge of distribution cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |