CN201584656U - High-voltage frequency-conversion by-pass cabinet - Google Patents
High-voltage frequency-conversion by-pass cabinet Download PDFInfo
- Publication number
- CN201584656U CN201584656U CN2009202803201U CN200920280320U CN201584656U CN 201584656 U CN201584656 U CN 201584656U CN 2009202803201 U CN2009202803201 U CN 2009202803201U CN 200920280320 U CN200920280320 U CN 200920280320U CN 201584656 U CN201584656 U CN 201584656U
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- frequency
- circuit breaker
- conversion
- cabinet
- conversion circuit
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Abstract
The utility model discloses a high-voltage frequency-conversion by-pass cabinet, which comprises a cabinet body, wherein a frequency-conversion circuit breaker chamber A 1, a power-frequency circuit breaker chamber 2, and a frequency-conversion circuit breaker chamber B 3 are arranged in the cabinet body, a frequency-conversion circuit breaker A 15, a power-frequency circuit breaker 16, and a frequency-conversion circuit breaker B 17 are respectively mounted in the frequency-conversion circuit breaker chamber A 1, the power-frequency circuit breaker chamber 2, and the frequency-conversion circuit breaker chamber B 3, and a meter is mounted on a panel of the cabinet body. The by-pass cabinet integrates the original three high-voltage switch cabinets into one set, and the whole volume of the switch cabinet is reduced to one third compared with the prior art, so that the volume is small, the occupied space is small, and the operation and installation are convenient; and a machinery-electricity locking device is added to the switch control part, thereby greatly enhancing the reliability and safety in electric property of the high-voltage frequency-conversion cabinet.
Description
Technical field
The utility model relates to the power supply field, especially the high-pressure frequency-conversion bypass cabinet in height height or the high powering mode.
Background technology
At present, the whole world perplexs for energy scarcity, and the energy situation of China is especially severe.Along with fast development of Chinese economy, the energy becomes the bottleneck of restriction economic growth, and saving consumption reduction also just becomes the problem of country and enterprise's serious concerns.Country explicitly calls in Eleventh Five-Year Plan, descends about 4% to per GDP energy consumption in 2010.For this reason, governments at all levels put into effect associated documents, indicate to do a good job of it energetically emphasis power consumption industry and industry energy conservation, carry out the energy conservation of highly energy-consuming industry such as iron and steel, electric power, petrochemical industry, building materials and enterprise, and conservation-minded society builds together.Therefore, the high voltage converter with desirable energy-saving effect and speed adjusting performance causes showing great attention to of responsible departments of the government and each high energy-consuming enterprises, and frequency conversion becomes first-selected energy-conserving product.
Utilize the Danfoss low voltage frequency converter, adopt the high or high powering mode of height, can realize energy-conservation to high-tension motor, as the big load of consuming energy such as blower fan, pump class, energy-saving effect is remarkable.
In the high or high powering mode of height, relate to the design of high-pressure frequency-conversion bypass cabinet, this high-pressure frequency-conversion bypass cabinet is the device that is used for supplying with converter power supply and load power source, the technical problem of high-pressure frequency-conversion cabinet existence in the past is: the design that all adopts three high-tension switch cabinets, wherein two are used for variable frequency control, another is used for breaking down and during other situation when frequency converter, in order not influence power supply, can drop into bypass and continue operation, its shortcoming is that volume is big, floor space big, operation is installed inconvenient.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of high-pressure frequency-conversion bypass cabinet little, that volume is little, operation is easy for installation that takes up an area of.
For achieving the above object, the utility model provides a kind of high-pressure frequency-conversion bypass cabinet, comprise cabinet, be provided with frequency conversion circuit breaker first chamber 1, power frequency breaker chamber 2, frequency conversion circuit breaker second chamber 3 in the described cabinet, frequency conversion circuit breaker first 15, power frequency circuit breaker 16, frequency conversion circuit breaker second 17 respectively are installed, on the cabinet panel instrument are installed.
Described cabinet also is provided with control room 4, on control room's panel instrument is installed.
Technique scheme is combined into a cover with original three high-tension switch cabinets, and switch cubicle integral body reduces to 1/3rd, and volume is little, floor space is few, operation is easy for installation; Switching control section has added machinery, electric blocking device, has strengthened the reliability and the fail safe of high-pressure frequency-conversion cabinet electric property greatly.
Description of drawings
Fig. 1: high-pressure frequency-conversion bypass cabinet front view;
Fig. 2: high-pressure frequency-conversion bypass cabinet rear view;
Fig. 3: high-pressure frequency-conversion bypass cabinet assembling left surface view;
Fig. 4: high-pressure frequency-conversion bypass cabinet assembling front view;
Fig. 5: circuit breaker locking schematic diagram.
Wherein: 1, frequency conversion circuit breaker first chamber 2, power frequency breaker chamber 3, frequency conversion circuit breaker second chamber 4, control room 5, observation window 6, electromagnetic lock 7, electric control lock 8, high-voltage charge display device 9, indicator light 10, sign frame 11, luminous lamp switch 12, action button 13, Qianmen 14, back door 15, frequency conversion circuit breaker first 16, power frequency circuit breaker 17, frequency conversion circuit breaker second
Embodiment
With reference to the accompanying drawings the utility model is described in detail below.
Shown in Fig. 1,2,3,4: high-pressure frequency-conversion bypass cabinet shell adopts anti-prestige graph structure design, has Qianmen 13 and back door 14, and 6 one of electromagnetic locks respectively are installed, when the inlet wire side has electricity, and electromagnetic lock action locking, door is not opened, and guarantees personnel's safety.Cabinet is provided with frequency conversion circuit breaker first chamber 1, power frequency breaker chamber 2, frequency conversion circuit breaker second chamber 3, each chamber is separately installed with frequency conversion circuit breaker first 15, power frequency circuit breaker 16, frequency conversion circuit breaker second 17, and on each chamber and back door face board, have corresponding observation window 5, on the cabinet panel instrument can be installed, can also establish control room 4 separately, on its panel instrument is installed, the instrument of installation has electric control lock 7, high-voltage charge display device 8, indicator light 9, indicates frame 10, luminous lamp switch 11, action button 12.
As shown in Figure 5: supply power to frequency conversion tank by distant place breaker cabinet, the duplex feeding mode is divided in the loop, the first via through power frequency circuit breaker 16 to the high-tension electricity motivation, the second the tunnel through frequency conversion circuit breaker first 15 after the converter plant inlet wire advances converter plant, again through the converter plant outlet to frequency conversion circuit breaker second 17 to the high-tension electricity motivation, the high pressure inlet wire side joint of distant place breaker cabinet power supply has high-voltage charge display device 8; Behind the first and second tunnel circuit breaker, be connected to lightning arrester, be used to protect the insulation of high-tension motor central point to avoid atmospheric over-voltage and switching overvoltage damage; Charged and prevent to be strayed in the high-pressure frequency-conversion bypass cabinet for monitoring high pressure inlet wire side, when bypass cabinet inlet wire side has high pressure, high-voltage charge display device 8 indicator lights 9 are bright, be installed in Qianmen, the back door of the electromagnetic lock 6 action pinning high-pressure frequency-conversion bypass cabinets at high-pressure frequency-conversion bypass cabinet cabinet Qianmen 13, back door 14 simultaneously, make it not open; Frequency conversion circuit breaker first 15, frequency conversion circuit breaker second 17 is used for to inverter supply, power frequency circuit breaker 16 is used for breaking down and during other situation when frequency converter, in order not influence power supply, can drop into it and continue operation as bypass, in order to prevent misoperation, in frequency conversion circuit breaker first 15, respectively used the J S Y-1 of the east of a river, Zhenjiang electrotechnical apparatus Co., Ltd type Mechanically programm key electric control lock 7 in power frequency circuit breaker 16 control loops, a shared key, in the time of can realizing that frequency conversion circuit breaker first 15 is closed a floodgate, power frequency circuit breaker 16 can not close a floodgate, after frequency conversion circuit breaker first 15 was closed a floodgate, key is lockable to be taken not get off, and same power frequency circuit breaker 16 also is like this; Frequency conversion circuit breaker second 17 adopts power frequency circuit breaker 16 secondary electric terminals to carry out locking, and when power frequency circuit breaker 16 closed a floodgate, frequency conversion circuit breaker second 17 can not be closed a floodgate; Power frequency circuit breaker 16 adopts frequency conversion circuit breaker second 17 secondary electric terminals to carry out locking, and when frequency conversion circuit breaker second 17 was closed a floodgate, power frequency circuit breaker 16 can not close a floodgate.
High-pressure frequency-conversion bypass cabinet is the device that is used for supplying with converter power supply and load power source, powering mode can be the high variable mode of height for the high variable mode of height, and realization is energy-conservation to high-tension motor, as big loads of power consumption such as blower fan, pump classes, energy-saving effect is remarkable.In the high-pressure frequency-conversion bypass cabinet on/off switch lock operation program, the electric and mechanical automatically controlled locking by frequency conversion circuit breaker first 15, power frequency circuit breaker 16, frequency conversion circuit breaker second 17 and electric control lock 7 has increased the electric reliability and the fail safe of package unit.Whether charged high-pressure frequency-conversion bypass cabinet cabinet door both sides are provided with high-voltage charge display device 8 and electromagnetic lock 6, can monitor high pressure inlet wire side and locking high-pressure frequency-conversion bypass cabinet Qianmen 13, back door 14 prevents to be strayed in the cabinet.The high-pressure frequency-conversion cabinet all adopted three high-tension switch cabinets to form a cover control device in the past, wherein two are used for Frequency Converter Control, another is used for the bypass operation, now three switch cubicles are integrated, shell adopts anti-prestige graph structure design, on the structure great changes has taken place so internally, rational in infrastructure, the inner space is big, and high pressure turbine by cabinet integral body reduces to 1/3rd, and floor space is few, operation is easy for installation.
Though the utility model discloses as above with a preferred embodiment; right its is not in order to limit the utility model; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (7)
1. high-pressure frequency-conversion bypass cabinet, comprise cabinet, it is characterized in that: be provided with frequency conversion circuit breaker first chamber (1), power frequency breaker chamber (2), frequency conversion circuit breaker second chamber (3) in the described cabinet, frequency conversion circuit breaker first (15), power frequency circuit breaker (16), frequency conversion circuit breaker second (17) respectively are installed, on the cabinet panel instrument are installed.
2. high-pressure frequency-conversion bypass cabinet according to claim 1 is characterized in that: described cabinet also is provided with control room (4), on control room's panel instrument is installed.
3. high-pressure frequency-conversion bypass cabinet according to claim 1 is characterized in that: described high-pressure frequency-conversion bypass cabinet has door, on the door electromagnetic lock (6) is installed.
4. high-pressure frequency-conversion bypass cabinet according to claim 3 is characterized in that: the door of high-pressure frequency-conversion bypass cabinet is two, i.e. Qianmen (13) and back door (14) respectively are equipped with (6) one of electromagnetic locks.
5. high-pressure frequency-conversion bypass cabinet according to claim 2 is characterized in that: respectively have observation window (5) on Qianmen (13) panel outside described frequency conversion circuit breaker first chamber (1), power frequency breaker chamber (2), frequency conversion circuit breaker second chamber (3), control room (4).
6. high-pressure frequency-conversion bypass cabinet according to claim 4 is characterized in that: high-pressure frequency-conversion bypass cabinet back door (14) panel has observation window (5).
7. high-pressure frequency-conversion bypass cabinet according to claim 2 is characterized in that: electric control lock (7), high-voltage charge display device (8), indicator light (9) are installed on control room's panel, are indicated frame (10), lighting switch (11), action button (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202803201U CN201584656U (en) | 2009-12-11 | 2009-12-11 | High-voltage frequency-conversion by-pass cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202803201U CN201584656U (en) | 2009-12-11 | 2009-12-11 | High-voltage frequency-conversion by-pass cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584656U true CN201584656U (en) | 2010-09-15 |
Family
ID=42726669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202803201U Expired - Fee Related CN201584656U (en) | 2009-12-11 | 2009-12-11 | High-voltage frequency-conversion by-pass cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104289A (en) * | 2013-04-08 | 2014-10-15 | 中国葛洲坝集团股份有限公司 | Marine thyristor reversible Dc speed regulation control system |
-
2009
- 2009-12-11 CN CN2009202803201U patent/CN201584656U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104289A (en) * | 2013-04-08 | 2014-10-15 | 中国葛洲坝集团股份有限公司 | Marine thyristor reversible Dc speed regulation control system |
| CN104104289B (en) * | 2013-04-08 | 2018-04-10 | 中国葛洲坝集团股份有限公司 | IGCT reversible dc speed-adjusting and control system peculiar to vessel |
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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: 20100915 Termination date: 20161211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |