CN205336125U - Easy on --spot high -voltage inverter who overhauls - Google Patents
Easy on --spot high -voltage inverter who overhauls Download PDFInfo
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- CN205336125U CN205336125U CN201620053958.1U CN201620053958U CN205336125U CN 205336125 U CN205336125 U CN 205336125U CN 201620053958 U CN201620053958 U CN 201620053958U CN 205336125 U CN205336125 U CN 205336125U
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Abstract
The utility model discloses an easy on - -spot high -voltage inverter who overhauls, it is main including overhauing the device, a main controlle, the power unit switch, power supply circuit, overhaul that the device tip is external to have a high voltage circuit breaker, the high voltage circuit breaker input is connected with main control unit, the main control unit tip is provided with the power unit switch, main control unit is external to have detection output circuit, it all is connected with converting circuit to correspond power unit switch tip, the converting circuit input all is connected with the frequency converting circuit, frequency conversion circuit input end is connected with each selfcorresponding minute rectifier circuit, divide the rectifier circuit other end all to set up at power supply circuit, power supply circuit is connected with three rectifier bridges, three rectifier bridge tip are provided with high -Voltage electrical appliances, high -Voltage electrical appliances are external to have ground connection electrical power generating system. Beneficial effect lies in: when using high pressure maintenance converter to go wrong at the scene, need inspect in the investigation or the investigation high -pressure power transmission later that device security and suitability are overhauld in effective protection before to unit and complete machine control system.
Description
Technical field
This utility model belongs to electron detection device technical field, is specifically related to a kind of high voltage converter being prone to site examining and repairing。
Background technology
Converter is that power frequency supply is transformed to the electric energy control device of another frequency by the on-off action utilizing power semiconductor device。Along with the fast development of modern power electronics technology and microelectric technique, high-power RHVC is constantly grown up, and is originally difficult to the high-voltage problem solved always, obtains good solution by devices in series or unit series connection in recent years。High-power RHVC is widely used in the various blower fans of the industries such as large-scale mining industry factory, petrochemical industry, municipal water supply, iron and steel metallurgy, electric power energy, water pump, compressor, rolling mill etc.。At wide variety of load of the pumps of industry such as metallurgy, chemical industry, electric power, municipal water supply and mining, accounting for about the 40% of whole electrical equipment energy consumption, the electricity charge even account for the 50% of water producing cost in waterworks。High voltage converter application in maintenance of equipment is also quite extensive, but power unit cascade high voltage converter input voltage is typically all more than 3kv, when converter goes wrong at the scene, need unit and complete machine control system are checked before high tension transmission, way not good at present after investigation or investigation。
Utility model content
The purpose of this utility model is that provides kind of a kind of high voltage converter being prone to site examining and repairing to solve the problems referred to above。
This utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of high voltage converter being prone to site examining and repairing, mainly include apparatus for examination and repair, master controller, power cell switchs, power circuit, described apparatus for examination and repair end is circumscribed with primary cut-out, described primary cut-out input is connected to described master controller, described master controller end is provided with described power cell switch, described master controller is circumscribed with detection output circuit, corresponding described power cell switch end is respectively connected with change-over circuit, described change-over circuit input is respectively connected with frequency changer circuit, described frequency changer circuit input connects each self-corresponding point of rectification circuit, the described point of rectification circuit other end is arranged at described power circuit, described power circuit is connected to three rectifier bridges, described three rectifier bridge ends are provided with High-Voltage Electrical Appliances, described High-Voltage Electrical Appliances are circumscribed with earthing power supply system。
In said structure, during turnaround of unit, described apparatus for examination and repair connects described High-Voltage Electrical Appliances, voltage x current is arranged by described High-Voltage Electrical Appliances through described three rectifier bridges, output electric current enters described power circuit and integrates, enter described frequency changer circuit afterwards to carry out repair rate and choose, signal processing is carried out afterwards by described change-over circuit, described power cell switch leaves independent current source power supply interface for each unit, and isolate with in-line power interface, apparatus for examination and repair can be protected by described primary cut-out in time, and complete machine control system contains properly functioning/Site Detection permutator and enters functional shift, complete machine control system contains the ground power-supply system powered to power cell, when system is in Site Detection state, electric power system can be powered to power cell, make unit panel normal operation, and the fault such as system automatic shield input voltage measurement。
Have the beneficial effects that: when using high pressure maintenance converter to go wrong at the scene; need unit and complete machine control system are checked before high tension transmission after investigation or investigation; effectively protection apparatus for examination and repair safety and the suitability; turnaround of unit is improved to short-circuit protection and ground protection so that maintenance better effects if is more reasonable。
Accompanying drawing explanation
Fig. 1 is the main system view of a kind of high voltage converter being prone to site examining and repairing described in the utility model；
Fig. 2 is the structural representation of three rectifier bridges of the present utility model。
1, apparatus for examination and repair；2, primary cut-out；3, master controller；4, power cell switch；5, change-over circuit；6, frequency changer circuit；7, rectification circuit is divided；8, power circuit；9, High-Voltage Electrical Appliances；10, earthing power supply system；11, three rectifier bridge；12, detection output circuit。
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As Figure 1-Figure 2, a kind of high voltage converter being prone to site examining and repairing, mainly include apparatus for examination and repair 1, master controller 3, power cell switch 4, power circuit 8, described apparatus for examination and repair 1 end is circumscribed with primary cut-out 2, described primary cut-out 2 input is connected to described master controller 3, described master controller 3 end is provided with described power cell switch 4, described master controller 3 is circumscribed with detection output circuit 12, corresponding described power cell switchs 4 ends and is respectively connected with change-over circuit 5, described change-over circuit 5 input is respectively connected with frequency changer circuit 6, described frequency changer circuit 6 input is connected to each corresponding point rectification circuit 7, described point of rectification circuit 7 other end is arranged at described power circuit 8, described power circuit 8 is connected to three rectifier bridges 11, described three rectifier bridge 11 ends are provided with High-Voltage Electrical Appliances 9, described High-Voltage Electrical Appliances 9 are circumscribed with earthing power supply system 10。
In said structure, during turnaround of unit, described apparatus for examination and repair 1 connects described High-Voltage Electrical Appliances 9, voltage x current is arranged by described High-Voltage Electrical Appliances 9 through described three rectifier bridges 11, output electric current enters described power circuit 8 and integrates, enter described frequency changer circuit 6 afterwards to carry out repair rate and choose, signal processing is carried out afterwards by described change-over circuit 5, described power cell switch 4 leaves independent current source power supply interface for each unit, and isolate with in-line power interface, apparatus for examination and repair can be protected by described primary cut-out 2 in time, and complete machine control system contains properly functioning/Site Detection permutator and enters functional shift, complete machine control system contains the ground power-supply system powered to power cell, when system is in Site Detection state, electric power system can be powered to power cell, make unit panel normal operation, and the fault such as system automatic shield input voltage measurement。
Of the present utility model ultimate principle, principal character and advantage have more than been shown and described。Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model。
This utility model claims scope and is defined by appending claims and effect thing thereof。
Claims (4)
1. the high voltage converter being prone to site examining and repairing, mainly include apparatus for examination and repair, master controller, power cell switch, power circuit, it is characterized in that: described apparatus for examination and repair end is circumscribed with primary cut-out, described primary cut-out input is connected to described master controller, described master controller end is provided with described power cell switch, and described master controller is circumscribed with detection output circuit。
2. a kind of high voltage converter being prone to site examining and repairing according to claim 1, it is characterised in that: corresponding described power cell switch end is respectively connected with change-over circuit, and described change-over circuit input is respectively connected with frequency changer circuit。
3. a kind of high voltage converter being prone to site examining and repairing according to claim 2, it is characterised in that: described frequency changer circuit input connects each self-corresponding point of rectification circuit, and the described point of rectification circuit other end is arranged at described power circuit。
4. a kind of high voltage converter being prone to site examining and repairing according to claim 1, it is characterised in that: described power circuit is connected to three rectifier bridges, and described three rectifier bridge ends are provided with High-Voltage Electrical Appliances, and described High-Voltage Electrical Appliances are circumscribed with earthing power supply system。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620053958.1U CN205336125U (en) | 2016-01-20 | 2016-01-20 | Easy on --spot high -voltage inverter who overhauls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620053958.1U CN205336125U (en) | 2016-01-20 | 2016-01-20 | Easy on --spot high -voltage inverter who overhauls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205336125U true CN205336125U (en) | 2016-06-22 |
Family
ID=56197757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620053958.1U Expired - Fee Related CN205336125U (en) | 2016-01-20 | 2016-01-20 | Easy on --spot high -voltage inverter who overhauls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205336125U (en) |
-
2016
- 2016-01-20 CN CN201620053958.1U patent/CN205336125U/en not_active Expired - Fee Related
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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: 20160622 Termination date: 20210120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |