CN205355804U - Overvoltage suppressing device - Google Patents
Overvoltage suppressing device Download PDFInfo
- Publication number
- CN205355804U CN205355804U CN201620109235.9U CN201620109235U CN205355804U CN 205355804 U CN205355804 U CN 205355804U CN 201620109235 U CN201620109235 U CN 201620109235U CN 205355804 U CN205355804 U CN 205355804U
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- China
- Prior art keywords
- overvoltage
- voltage
- processing unit
- voltage transformer
- tension fuse
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Abstract
The utility model discloses an overvoltage suppressing device, MCU link to each other with voltage transformer, peak surge absorber, high -tension fuse, intelligent processing unit, harmonic elimination ware, high voltage live sensor, an isolator respectively, and the high -tension fuse links to each other with the high voltage live sensor, and the peak surge absorber links to each other with voltage transformer, and intelligent processing unit and harmonic elimination ware, isolator, a voltage transformer link to each other. The utility model discloses can be directed against phenomenons such as PT broken string, excessive pressure, under -voltage, low -voltage, resonance, arc light ground connection and carry out incessant monitoring, can accurately judge the trouble condition of system to can carry out accurate analysis to the system, show failure classes do not, promptly handle the system, thank to positive virtue different frequency according to the system to realize can carrying out remote communication simultaneously by the quick operation, realize data fast transmission.
Description
Technical field
This utility model belongs to technical field of electric appliances, particularly relates to a kind of overvoltage inhibiting apparatus.
Background technology
There is following several overvoltage in China's 3～35KV system: the atmospheric over-voltage of generation, resonance overvoltage etc. when the arc overvoltage produced when the switching overvoltage of chopper on-off action process generation, single-phase earthing and thunderbolt.There is no the complete preservation scheme for these overvoltage at present, the accident such as often occur cable to blow out, motor insulation breakdown, Explosion of on Arrester and voltage transformer burn.The reason that this type of accident occurs; except with except in system, the performance of overvoltage protection device product of installing has relation; overvoltage is had important impact by the complexity of system itself; for different systems, use the earthing mode etc. needing to consider the type on system power line road, the network structure of electric line, the character of load and system during overvoltage protection product.Once simultaneously, in complicated system, it is difficult to isolated use certain or several overvoltage protection suppress the overvoltage of all kinds system comprehensively, and protective value can not match each other simultaneously, it is impossible to thoroughly effectively suppresses system overvoltage.
Summary of the invention
For solving the problems referred to above, the utility model discloses a kind of overvoltage inhibiting apparatus, can break for PT, overvoltage, the phenomenon such as under-voltage, low-voltage, resonance, arc grounding carry out continual monitoring, the failure condition of system can be accurately judged to, and system can be carried out accurate analysis, show fault category, system is carried out emergent management, thank to positive moral different frequency according to system and realize quick acting, telecommunication can be carried out, it is achieved data are quickly transmitted simultaneously.
In order to reach object above, this utility model provides following technical scheme: a kind of overvoltage inhibiting apparatus, including MCU, voltage transformer, peak overvoltage absorber, high-tension fuse, intelligent processing unit, resonance eliminator, electrification in high voltage sensor, isolation switch, MCU respectively with voltage transformer, peak overvoltage absorber, high-tension fuse, intelligent processing unit, resonance eliminator, electrification in high voltage sensor, isolation switch is connected, high-tension fuse is connected with electrification in high voltage sensor, peak overvoltage absorber is connected with voltage transformer, intelligent processing unit and a resonance eliminator, isolation switch is connected.
As a kind of preferred version of the present utility model, described peak overvoltage absorber includes zinc oxide valve plate.
As a kind of preferred version of the present utility model, described MCU also includes RS485 communication interface, and described RS485 is connected with intelligent processing unit.
As a kind of preferred version of the present utility model, described isolation switch is connected with high-tension fuse.
Compared with prior art; the beneficial effect that this utility model possesses: can the rising front of effectively mild overvoltage scabble due to voltage spikes by peak overvoltage absorber; and it is capable of withstanding the super large energy produced by overvoltage; the dead band that can eliminate overvoltage protection of overvoltage protection simultaneously; and by voltage transformer overvoltage can be acquired and judge, find out fault key point and Long-range Data Transmission can be realized by RS485 communication interface.
Accompanying drawing explanation
Fig. 1 is the structural representation of overvoltage inhibiting apparatus.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, it is further elucidated with this utility model, it should be understood that following detailed description of the invention is merely to illustrate this utility model rather than limits scope of the present utility model.It should be noted that the word "front", "rear" of middle use is described below, direction that "left", "right", "up" and "down" refer in accompanying drawing, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
Overvoltage inhibiting apparatus as shown in Figure 1, including MCU, voltage transformer, peak overvoltage absorber, high-tension fuse, intelligent processing unit, resonance eliminator, electrification in high voltage sensor, isolation switch, MCU respectively with voltage transformer, peak overvoltage absorber, high-tension fuse, intelligent processing unit, resonance eliminator, electrification in high voltage sensor, isolation switch is connected, high-tension fuse is connected with electrification in high voltage sensor, peak overvoltage absorber is connected with voltage transformer, protection can be played in systems and measuring equipment provides voltage signal, secondary voltage and auxiliary secondary voltage signal, intelligent processing unit and a resonance eliminator of protected system are provided for device, isolation switch is connected, peak overvoltage absorber includes zinc oxide valve plate, residual voltage value can be substantially reduced, overvoltage is limited in the relatively low scope of apparatus insulated permission, and meanwhile, isolation switch is connected with high-tension fuse, ferromagnetic resonance can be prevented effectively from, MCU also includes RS485 communication interface, and described RS485 is connected with intelligent processing unit, and isolation switch is connected with high-tension fuse.
MCU is as the core of overvoltage inhibiting apparatus; all signals of overvoltage can be processed; and it is able to receive that each side signal carries out voltage measurement; voltage transformer is arranged in systems with electrification in high voltage sensor simultaneously; unit output voltage therein can be measured; simultaneously; peak overvoltage absorber is connected with electrification in high voltage sensor; peak overvoltage absorber can over-voltage suppression spike; the rising edge of effectively mild overvoltage also scabbles due to voltage spikes; and it is capable of withstanding the super large energy produced by overvoltage, eliminate the dead band of overvoltage protection.Meanwhile, MCU and intelligent processing unit can continual monitoring voltage signal, once find broken string.The phenomenons such as overvoltage, under-voltage, low-voltage, resonance, are accurately judged to fault-signal, and turn off protection process by a resonance eliminator with keeping apart pass, provide safeguard protection for equipment.
Technological means disclosed in this utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also includes the technical scheme being made up of above technical characteristic combination in any.It should be pointed out that, for those skilled in the art, under the premise without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (4)
1. an overvoltage inhibiting apparatus, it is characterized in that: include MCU, voltage transformer, peak overvoltage absorber, high-tension fuse, intelligent processing unit, resonance eliminator, electrification in high voltage sensor, isolation switch, described MCU respectively with voltage transformer, peak overvoltage absorber, high-tension fuse, intelligent processing unit, resonance eliminator, electrification in high voltage sensor, isolation switch is connected, described high-tension fuse is connected with electrification in high voltage sensor, described peak overvoltage absorber is connected with voltage transformer, described intelligent processing unit and a resonance eliminator, isolation switch is connected.
2. overvoltage inhibiting apparatus according to claim 1, it is characterised in that: described peak overvoltage absorber includes zinc oxide valve plate.
3. overvoltage inhibiting apparatus according to claim 1, it is characterised in that: described MCU also includes RS485 communication interface, and described RS485 is connected with Intellectual computer processing unit.
4. overvoltage inhibiting apparatus according to claim 1, it is characterised in that: described isolation switch is connected with high-tension fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109235.9U CN205355804U (en) | 2016-02-03 | 2016-02-03 | Overvoltage suppressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109235.9U CN205355804U (en) | 2016-02-03 | 2016-02-03 | Overvoltage suppressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205355804U true CN205355804U (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620109235.9U Expired - Fee Related CN205355804U (en) | 2016-02-03 | 2016-02-03 | Overvoltage suppressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205355804U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171305A (en) * | 2017-07-01 | 2017-09-15 | 合肥东玖电气有限公司 | A kind of overvoltage inhibiting apparatus |
| CN107342584A (en) * | 2017-07-01 | 2017-11-10 | 合肥东玖电气有限公司 | A kind of system overvoltage restraining device |
-
2016
- 2016-02-03 CN CN201620109235.9U patent/CN205355804U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171305A (en) * | 2017-07-01 | 2017-09-15 | 合肥东玖电气有限公司 | A kind of overvoltage inhibiting apparatus |
| CN107342584A (en) * | 2017-07-01 | 2017-11-10 | 合肥东玖电气有限公司 | A kind of system overvoltage restraining device |
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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: 20160629 Termination date: 20170203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |