CN204144915U - Synchronous brushless excitation motor rectifier diode monitor and alarm system - Google Patents
Synchronous brushless excitation motor rectifier diode monitor and alarm system Download PDFInfo
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- CN204144915U CN204144915U CN201420670341.5U CN201420670341U CN204144915U CN 204144915 U CN204144915 U CN 204144915U CN 201420670341 U CN201420670341 U CN 201420670341U CN 204144915 U CN204144915 U CN 204144915U
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Abstract
The utility model relates to synchronous brushless excitation motor rectifier diode monitor and alarm system, comprise input amplifier, automatic gain control amplifier, ripple amplifier, precision rectifer, display, siren, delayer and relay driver, it is characterized in that just exchanging the secondary field power supply of main exciter, negative pole is connected with the signal input part of input amplifier respectively through pretreatment unit, input amplifier, automatic gain control amplifier is connected in series successively with ripple amplifier, the signal output part of ripple amplifier is connected with the signal input part of precision rectifer, the signal output part of precision rectifer respectively with display, siren is connected with the signal input part of delayer, the signal output part of delayer is connected with the signal input part of relay driver.The utility model structure is simple, easy to use, stable and can realize Real-Time Monitoring and alarm and the main excitation of excision automatically.
Description
Technical field
The utility model relates to monitor and alarm system, specifically synchronous brushless excitation motor rectifier diode monitor and alarm system.
Background technology
The brushless excitation system rotating rectifier of synchronous motor adopts compression joint type rectifier diode, overload occurs in operation often and to burn oneself to death short circuit or open circuit accident.Once short circuit, short circuit current exchanges the armature winding of main exciter by flowing through, cause it overheated, even burn interchange main exciter; If open circuit, then the pair of brushless excitation control system encourage power supply AVR automatic tension regulator certainly will occur error adjustment, strengthen excitation with maintain its run, this constant encouraging by force easily causes the damage of AVR automatic tension regulator self.So, must carry out monitoring to the rectifier diode of the excitation system of brushless synchronous motor rotating rectifier being in running status and report to the police.And the running status of above-mentioned rectifier diode be still difficult at present adopt directly test.Design a kind of structure simple, easy to use, stable and Real-Time Monitoring and alarm can be realized and the synchronous brushless excitation motor rectifier diode monitor and alarm system of the main excitation of excision is very necessary automatically.
Utility model content
It is simple, easy to use, stable and can realize Real-Time Monitoring and alarm and the synchronous brushless excitation motor rectifier diode monitor and alarm system of the main excitation of excision automatically that the purpose of this utility model is to provide a kind of structure.
For achieving the above object, the utility model adopts following technical scheme: synchronous brushless excitation motor rectifier diode monitor and alarm system, comprise input amplifier, automatic gain control amplifier, ripple amplifier, precision rectifer, display, siren, delayer and relay driver, it is characterized in that the positive pole device after filtering exchanging the secondary field power supply of main exciter, zeroing device regulates with automatic voltage and is connected with the first signal input part of input amplifier with ripple amplifier, the negative pole exchanging the secondary field power supply of main exciter is connected with the secondary signal input of input amplifier through divertor, the signal output part of input amplifier is connected with the signal input part of automatic gain control amplifier, the signal output part of automatic gain control amplifier is connected with the signal input part of ripple amplifier, the signal output part of ripple amplifier is connected with the signal input part of precision rectifer, the signal output part of precision rectifer respectively with display, siren is connected with the signal input part of delayer, the signal output part of delayer is connected with the signal input part of relay driver.
The utility model adopts and detects and measure the pulse ripple of harmonic component in exciting current, and with three kinds of typical deck figure comparison, thus judge rectifier diode three kinds of operating states: all rectifier diodes all normally work; A rectifier diode open circuit; A rectifier diode short circuit.The utility model Real-Time Monitoring, when having a rectifier diode open circuit or short circuit, energy and alarm also excise main excitation automatically.The utility model structure is simple, easy to use, stable.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the moire pattern of all rectifier diodes when all normally working;
Moire pattern when Fig. 3 is one of them rectifier diode open circuit;
Moire pattern when Fig. 4 is one of them rectifier diode short circuit.
In figure: 1-input amplifier; 2-automatic gain control amplifier; 3-ripple amplifier; 4-precision rectifer; 5-display; 6-siren; 7-delayer; 8-relay driver; 9.1-filter; 9.2-returns to zero device; 9.3-automatic voltage regulates and ripple amplifier; 10-divertor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model:
Synchronous brushless excitation motor rectifier diode monitor and alarm system shown in figure, comprise input amplifier 1, automatic gain control amplifier 2, ripple amplifier 3, precision rectifer 4, display 5, siren 6, delayer 7 and relay driver 8, exchange the positive pole device 9.1 after filtering of the secondary field power supply of main exciter, zeroing device 9.2 regulates with automatic voltage and is connected with the signal input part of ripple amplifier 9.3 with input amplifier 1, the negative pole exchanging the secondary field power supply of main exciter is connected through the signal input part of divertor 10 with input amplifier 1, the signal output part of input amplifier 1 is connected with the signal input part of automatic gain control amplifier 2, the signal output part of automatic gain control amplifier 2 is connected with the signal input part of ripple amplifier 3, the signal output part of ripple amplifier 3 is connected with the signal input part of precision rectifer 4, the signal output part of precision rectifer 4 respectively with display 5, siren 6 is connected with the signal input part of delayer 7, the signal output part of delayer 7 is connected with the signal input part of relay driver 8.
The content be not described in detail in this specification, belongs to the known prior art of those skilled in the art.
Claims (1)
1. synchronous brushless excitation motor rectifier diode monitor and alarm system, comprise input amplifier (1), automatic gain control amplifier (2), ripple amplifier (3), precision rectifer (4), display (5), siren (6), delayer (7) and relay driver (8), it is characterized in that: the positive pole device (9.1) after filtering exchanging the secondary field power supply of main exciter, zeroing device (9.2) regulates with automatic voltage and is connected with first signal input part of ripple amplifier (9.3) with input amplifier (1), the negative pole exchanging the secondary field power supply of main exciter is connected through the secondary signal input of divertor (10) with input amplifier (1), the signal output part of input amplifier (1) is connected with the signal input part of automatic gain control amplifier (2), the signal output part of automatic gain control amplifier (2) is connected with the signal input part of ripple amplifier (3), the signal output part of ripple amplifier (3) is connected with the signal input part of precision rectifer (4), the signal output part of precision rectifer (4) respectively with display (5), siren (6) is connected with the signal input part of delayer (7), the signal output part of delayer (7) is connected with the signal input part of relay driver (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670341.5U CN204144915U (en) | 2014-11-11 | 2014-11-11 | Synchronous brushless excitation motor rectifier diode monitor and alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670341.5U CN204144915U (en) | 2014-11-11 | 2014-11-11 | Synchronous brushless excitation motor rectifier diode monitor and alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204144915U true CN204144915U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420670341.5U Expired - Fee Related CN204144915U (en) | 2014-11-11 | 2014-11-11 | Synchronous brushless excitation motor rectifier diode monitor and alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204144915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411007A (en) * | 2021-07-12 | 2021-09-17 | 东华理工大学 | Excitation power supply device for small electronic accelerator and control method thereof |
-
2014
- 2014-11-11 CN CN201420670341.5U patent/CN204144915U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411007A (en) * | 2021-07-12 | 2021-09-17 | 东华理工大学 | Excitation power supply device for small electronic accelerator and control method thereof |
| CN113411007B (en) * | 2021-07-12 | 2023-07-14 | 东华理工大学 | Exciting power supply device for small electronic accelerator and control method thereof |
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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: 20170728 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Wuchang, Hubei Friendship Road, No. A, block, floor 999, 15 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20191111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |