CN201852854U - Transformer detection wiring converter - Google Patents
Transformer detection wiring converter Download PDFInfo
- Publication number
- CN201852854U CN201852854U CN 201020620339 CN201020620339U CN201852854U CN 201852854 U CN201852854 U CN 201852854U CN 201020620339 CN201020620339 CN 201020620339 CN 201020620339 U CN201020620339 U CN 201020620339U CN 201852854 U CN201852854 U CN 201852854U
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- transformer
- switch
- control module
- electric bridge
- detection
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- Expired - Fee Related
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Abstract
The utility model relates to a transformer detection wiring converter which is characterized in that the transformer detection wiring converter comprises a power supply module, a wire change control module and a detection wiring module, wherein the power supply module is connected with the wire change control module and the wire change control module is connected with the detection wiring module. The transformer detection wiring converter has the advantages that the operation during transformer detection is simplified, the detection time is reduced, the times of climbing high are decreased, the personal safety of operators is ensured, two people are only required to complete the work which requires four people in the past, and the manpower and the material resources invested in the detection are saved.
Description
Technical field
The utility model relates to a kind of transformer and detects 12 X 12 STS-1 switch.
Background technology
Transformer station's quantity increases year by year, and the quantity of transformer also increases thereupon.Transformer is one of visual plant of transmission of electric energy, and the q﹠r of transformer is directly connected to safely and reliably and transmits electric power.China's electric power industry development is very fast over nearly 20 years, homemade generator separate unit capacity has reached 600MW, and power transmission and transformation voltage is also brought up to 750kV, because high capacity high voltage transformer service area is big, the damage of transformer may cause that large-area power supply stops, and its influence is very big.So, require higher to the safe and reliable operation of high voltage transformer.
Maintenance mode changes repair based on condition of component into by prophylactic repair gradually at present, wherein transformer also transfers customary the detection to by preventative detection, the test item of transformer has increased electric capacity, measurement short-circuit impedance, the load ratio bridging switch of measuring winding and sleeve pipe and has checked three, and increase the detection time that causes power failure indirectly.
The customary concrete steps that detect of present three-winding transformer are: at first carry out transformer on-load voltage regulating and detect, will detect lead-in wire and be connected on high pressure winding side, mesolow side short circuit in winding is unsettled; After detection finishes, lead-in wire is detected in the high-pressure side to be removed with the medium voltage side short-circuit line, short-circuit impedance detection lead-in wire is connected to the high-pressure side to be detected, afterwards the low-pressure side short-circuit line is removed, and the medium voltage side short circuit detected, remove the medium voltage side short-circuit line afterwards and will detect to go between and be connected to medium voltage side, the low-pressure side short circuit detects; After short-circuit impedance detects and finishes, carry out direct current resistance and detect, will detect lead-in wire earlier and be connected to step down side, high pressure, middle pressure are unsettled, detect, and afterwards lead-in wire are connected to medium voltage side, high pressure, low pressure is unsettled detects, and at last lead-in wire is connected to the high-pressure side, and middle pressure, low pressure is unsettled detects.
As seen from the above, the customary testing process of transformer is very complicated, and each test item all uses different detecting instruments, and it is also inequality to detect wiring, and every detection finishes and carries out all will carrying out discharge of short circuit ground connection and rewiring before the next item down detects.Spent a large amount of time.
The utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of and can overcome above-mentioned defective, the transformer that makes things convenient for transformer to detect detects 12 X 12 STS-1 switch.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of transformer detects 12 X 12 STS-1 switch, it is characterized in that: comprise power module, thread-changing control module and detect Wiring module, power module connects thread-changing control module, thread-changing control module joint detection Wiring module.
Described power module comprises first transformer, the first voltage stabilizing chip and first electric bridge, and first transformer connects first electric bridge by the first voltage stabilizing chip, and first electric bridge connects the thread-changing control module.
Described thread-changing control module comprises single-chip microcomputer, second transformer, the second voltage stabilizing chip, second electric bridge, wiring display and on-off switch, the second transformer input end connects first electric bridge, output terminal connects single-chip microcomputer by second electric bridge, and the data terminal of single-chip microcomputer connects on-off switch and wiring display.
Described detection Wiring module comprises A.C. contactor, common detection lead-in wire and jointing clamp, and A.C. contactor is connected with on-off switch, and the common detection lead-in wire is in series with jointing clamp by A.C. contactor and is connected.
The power module external power supply, electric current is connected second transformer and the on-off switch of thread-changing control module after by first transformer, the first voltage stabilizing chip and the first electric bridge transformation rectification, second transformer connects single-chip microcomputer by second electric bridge, for single-chip microcomputer provides working power, guarantee the single-chip microcomputer operate as normal.On-off switch connects A.C. contactor, for it provides power supply, and controls its action.
Transformer detects generally needs to detect its five kinds of duties: on-load voltage regulation test, short-circuit impedance test, direct current resistance test, dielectric loss test, insulation resistance test, these five kinds of duties need different detecting instruments to detect.
At first jointing clamp is clipped in respectively during use on each winding of the transformer that needs detection, is connected each detecting instrument by the common detection lead-in wire that A.C. contactor is connected in series with jointing clamp.
When needs detect a certain duty of a certain winding of transformer, single-chip microcomputer is by the common detection lead-in wire conducting of on-off switch control A.C. contactor action with the jointing clamp and the respective detection instrument of this winding, unsettled other winding of automatic short-circuit, finish detection, and show current detection step by the wiring display to this winding.Finish detection so successively to each duty of each winding of transformer.
The beneficial effect that the utility model had is: in the transformer testing process, simplifies operation, reduced detection time, reduced the number of times of ascending a height, guaranteed operating personnel's personal safety.Originally the work that needed four-player to finish only needs two people just can finish now, has saved the manpower and materials that drop in testing process.
Description of drawings
Fig. 1 is the utility model theory diagram;
Fig. 2 detects the Wiring module structural representation;
Among the figure: 1, A.C. contactor; 2, common detection lead-in wire; 3, jointing clamp; 4, transformer; 5, detecting instrument;
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
As shown in Figure 1: a kind of transformer detects 12 X 12 STS-1 switch, and enclosed mass transformer 4 also comprises power module, thread-changing control module and detects Wiring module, and power module connects thread-changing control module, thread-changing control module joint detection Wiring module.
Described power module comprises first transformer, the first voltage stabilizing chip and first electric bridge, and first transformer connects first electric bridge by the first voltage stabilizing chip, and first electric bridge connects the thread-changing control module.
Described thread-changing control module comprises single-chip microcomputer, second transformer, the second voltage stabilizing chip, second electric bridge, wiring display and on-off switch, the second transformer input end connects first electric bridge, output terminal connects single-chip microcomputer by second electric bridge, and the data terminal of single-chip microcomputer connects on-off switch and wiring display.
Described detection Wiring module comprises A.C. contactor 1, common detection lead-in wire 2 and jointing clamp 3, and A.C. contactor 1 is connected with on-off switch, and common detection goes between and 2 is in series with jointing clamp 3 by A.C. contactor 1 and is connected.On-off switch is a solid-state relay.
The power module external power supply, electric current is connected second transformer and the on-off switch of thread-changing control module after by first transformer, the first voltage stabilizing chip and the first electric bridge transformation rectification, second transformer connects single-chip microcomputer by second electric bridge, for single-chip microcomputer provides working power, guarantee the single-chip microcomputer operate as normal.On-off switch connects A.C. contactor 1, for it provides power supply, and controls its action.
At first jointing clamp 3 is clipped in respectively during use on each winding of the transformer 4 that needs detection, is connected each detecting instrument 5 by the common detection lead-in wire 2 that A.C. contactor 1 is connected in series with jointing clamp 3.
When needs detect a certain duty of a certain winding of transformer 4, single-chip microcomputer by 1 action of on-off switch control A.C. contactor with 2 conductings that go between of the common detection of the jointing clamp 3 of this winding and respective detection instrument 5, unsettled other winding of automatic short-circuit, finish detection, and show current detection step by the wiring display to this winding.Finish detection so successively to each duty of each winding of transformer.
The thread-changing control module is powered by power module, second transformer arrives 9V with voltage step-down, through L7805 voltage stabilizing chip voltage is reduced to 5V afterwards, to exchange the 5V voltage transitions with the WXDH2W10 electric bridge again is direct current 5V, CPU is through current-limiting resistance and emitting led driving solid relay GTJ24-1A, parallel connected in reverse phase diode 1N4007, preventing to shove damages single-chip microcomputer.The solid-state relay driving voltage is direct current 3～14V, and output voltage is an alternating current 220V.CPU selects the ATMEL8515 single-chip microcomputer for use, and output is connected with the wiring display with the PD0-7 port for the PB0 of single-chip microcomputer, PB1, and the wiring display is selected 8 sections light-emitting diode displays of common sun level for use, is used to refer to current detection project sequence number.Wherein: on behalf of on-load voltage regulation, " 1 " detect, and on behalf of short-circuit impedance, " 2 " detect, and on behalf of direct current resistance, " 3 " detect, and on behalf of dielectric loss, " 4 " detect, and " 5 " insulation resistance detects.
Claims (4)
1. a transformer detects 12 X 12 STS-1 switch, it is characterized in that: comprise power module, thread-changing control module and detect Wiring module, power module connects thread-changing control module, thread-changing control module joint detection Wiring module.
2. transformer according to claim 1 detects 12 X 12 STS-1 switch, it is characterized in that: described power module comprises first transformer, voltage stabilizing chip and first electric bridge, first transformer connects first electric bridge by the voltage stabilizing chip, and first electric bridge connects the thread-changing control module.
3. transformer according to claim 1 detects 12 X 12 STS-1 switch, it is characterized in that: described thread-changing control module comprises single-chip microcomputer, second transformer, second electric bridge, wiring display and on-off switch, the second transformer input end connects the first electric bridge output terminal and connects single-chip microcomputer by second electric bridge, and the data terminal of single-chip microcomputer connects on-off switch and wiring display.
4. transformer according to claim 1 detects 12 X 12 STS-1 switch, it is characterized in that: described detection Wiring module comprises A.C. contactor, common detection lead-in wire and jointing clamp, A.C. contactor is connected with on-off switch, and the common detection lead-in wire is in series with jointing clamp by A.C. contactor and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020620339 CN201852854U (en) | 2010-11-23 | 2010-11-23 | Transformer detection wiring converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020620339 CN201852854U (en) | 2010-11-23 | 2010-11-23 | Transformer detection wiring converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201852854U true CN201852854U (en) | 2011-06-01 |
Family
ID=44095242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020620339 Expired - Fee Related CN201852854U (en) | 2010-11-23 | 2010-11-23 | Transformer detection wiring converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201852854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386831A (en) * | 2011-11-30 | 2012-03-21 | 郑州恒凯能源科技有限公司 | Tandem type on-load voltage-regulating electricity-saving device |
| CN104833828A (en) * | 2015-05-14 | 2015-08-12 | 明晓军 | Transformer test station one-time wiring apparatus |
-
2010
- 2010-11-23 CN CN 201020620339 patent/CN201852854U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386831A (en) * | 2011-11-30 | 2012-03-21 | 郑州恒凯能源科技有限公司 | Tandem type on-load voltage-regulating electricity-saving device |
| CN104833828A (en) * | 2015-05-14 | 2015-08-12 | 明晓军 | Transformer test station one-time wiring apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: ZIBO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER CORPORATION Effective date: 20130802 Owner name: ZIBO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POW Effective date: 20130802 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 255032 ZIBO, SHANDONG PROVINCE TO: 100031 XICHENG, BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: STATE GRID ZIBO POWER SUPPLY COMPANY OF SHANDONG PROVINCE Address before: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee before: State Grid Corporation of China Patentee before: Zibo Power Supply Company of Shandong Electric Power Corp. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130802 Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: Zibo Power Supply Company of Shandong Electric Power Corp. Address before: 255032 No. 61 West Village Road, Zhangdian District, Shandong, Zibo Patentee before: Zibo Power Supply Company of Shandong Electric Power Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20181123 |