CN106158316A - A kind of variable-frequency variable-voltage device - Google Patents
A kind of variable-frequency variable-voltage device Download PDFInfo
- Publication number
- CN106158316A CN106158316A CN201610690533.6A CN201610690533A CN106158316A CN 106158316 A CN106158316 A CN 106158316A CN 201610690533 A CN201610690533 A CN 201610690533A CN 106158316 A CN106158316 A CN 106158316A
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- Prior art keywords
- phase
- variable
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- voltage
- knob
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/02—Adaptations of transformers or inductances for specific applications or functions for non-linear operation
- H01F38/04—Adaptations of transformers or inductances for specific applications or functions for non-linear operation for frequency changing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of variable-frequency variable-voltage device, including casing；The front of casing is provided with two fan chamber doors；Chamber door is respectively equipped with a handle near middle position；In two fan chamber doors, a fan chamber door is provided with safety lock in handle lower position；Casing one side upper middle position is provided with single-phase transformation knob；The side of single-phase transformation knob is provided with single-phase voltage output socket；Body side is provided with single-phase voltage display near the position of the opposite side of single-phase transformation knob；The downside of single-phase voltage output socket is provided with three phase-change pressure knobs；The side of three phase-change pressure knobs is provided with three-phase voltage display；The opposite side of three-phase voltage display is provided with three-phase voltage output socket；The downside of three-phase voltage display is provided with three-phase ondoscope；The side of three-phase ondoscope is provided with three phase variable frequency knob；The present invention can carry out the conversion of power circuit voltage and frequency, and is provided with corresponding temperature, smog, humidity control, takies volume little, safe ready.
Description
Technical field
The present invention relates to technical field of transformation equipment, be specially a kind of variable-frequency variable-voltage device.
Background technology
At present, control flexibly and Power Market Development from power network safety operation, trend, between interconnected network
Need interface clearly, exchange interconnection this point is seemed more important.A certain interconnection circuit fault the most once occurs, just
It is likely to occur the transfer of large-scale power, affects the safe operation of whole networked system.Just in 2003, U.S. increasing stopped this curtain
Electricity occurred, and brought serious consequence.Additionally, due to limited by direct current transportation self-characteristic, customary DC (includes straight
Stream is back-to-back) properly functioning needs with the system voltage of both sides for supporting, the normal change of current and rectification can be realized, simultaneously
Fault near current conversion station the most easily brings the faults such as direct-current commutation failure.Therefore, when powering to light current net, direct current connects to be deposited
In certain limitation.It addition, direct current transportation can bring certain harmonic wave to system, need to put into substantial amounts of filter apparatus；
To produced variable-frequency transformer, but existing electric power frequency-changing transformator mostly is large-scale, and floor space is big, is not suitable for some little
Power supply station, so we need a kind of new variable-frequency variable-voltage device.
Summary of the invention
It is an object of the invention to provide a kind of variable-frequency variable-voltage device, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of variable-frequency variable-voltage device, including casing；Described
The front of casing two fan chamber doors are installed；Described chamber door is respectively equipped with a handle near middle position；Described two
A fan chamber door in fan chamber door is provided with safety lock in the lower position of handle；The one side upper middle position of described casing
It is provided with single-phase transformation knob；The side of described single-phase transformation knob is provided with single-phase voltage output socket；Described case-side
Face is provided with single-phase voltage display near the position of the opposite side of single-phase transformation knob；Described single-phase voltage output socket
Downside is provided with three phase-change pressure knobs；The side of three described phase-change pressure knobs is provided with three-phase voltage display；Described three-phase
The opposite side of voltage display is provided with three-phase voltage output socket；The downside of described three-phase voltage display is provided with three phase frequencies
Rate display；The side of described three-phase ondoscope is provided with three phase variable frequency knob；Described box house is near top
Position be provided with voltage rectifier；The side of described voltage rectifier is single-phase transformer；The end of described single-phase transformer
Face connects heat sink；The downside of described heat sink is provided with three-phase transformer；Described three-phase transformer bottom surface connects the
Two blocks of heat sinks；The downside of second block of described heat sink is provided with three phase converter；It is provided with on the downside of described three phase converter
3rd block of heat sink；The downside of the 3rd block of described heat sink is provided with refrigeration machine；Cryogen pipeline it is provided with inside described heat sink；
Described cryogen pipeline is connected with refrigeration machine.
Preferably, described three-phase voltage output socket is arranged on casing one side；Described three-phase voltage display
The back side is connected with the one side of casing；Described three phase variable frequency knob, three phase-change pressure knobs, single-phase transformation knob are arranged on case
The same side of body.
Preferably, described single-phase transformation knob is arranged on side, single-phase transformer front；Described single-phase voltage shows
Device is arranged on single-phase transformer front opposite side；The bottom surface of described refrigeration machine is connected with box inside bottom surface.
Preferably, three described phase-change pressure knobs are arranged on the side in three-phase transformer front；Described three-phase voltage shows
Show that device is arranged on the opposite side in three-phase transformer front；Described three phase variable frequency knob is arranged on the one of three phase converter front
Side；Described three-phase ondoscope is arranged on the opposite side in three phase converter front.
Preferably, on the upside of second block of described heat sink, the position inside box back surface is provided with electromagnetic relay a；Described
The upside of electromagnetic relay a be provided with main circuit and control protecting box；Described main circuit controls electromagnetic relay on the upside of protecting box
b；Described the electromagnetic relay b back side, main circuit control the protecting box back side and are connected with inside box back surface.
Preferably, the side of described electromagnetic relay b is provided with temperature sensor；The upside of described temperature sensor sets
There is Smoke Sensor；The upside of described Smoke Sensor is provided with humidity sensor；Described temperature sensor, smog sense
Device, humidity sensor three are located on the same line.
Preferably, between described temperature sensor and electromagnetic relay b, position is provided with microcontroller；Described is micro-
Type controller is associated with temperature sensor, Smoke Sensor, humidity sensor.
Preferably, the back side of described microcontroller connects fixed plate；The another side of described fixed plate and case
Body is connected inside the back side；It is provided with insulated thermal insulating layer inside described box top.
Compared with prior art, the invention has the beneficial effects as follows: the present invention uses three phase converter three-phase transformer, three-phase
Converter carries out frequency-conversion processing to electric voltage frequency, is adjusted with three phase variable frequency knob, because other parts are disturbed by converter
Property relatively strong, be individually placed in one layer.Input the most again and process into three-phase transformer, be adjusted with three phase-change pressure knobs, three
The voltage to frequency that the output of phase voltage output socket needs；Using voltage rectifier, voltage rectifier carries out rectification to three-phase voltage
Become constant voltage output, then input into single-phase transformer, by the regulation of single-phase transformation knob, insert in single-phase voltage output
The burning voltage that mouth output needs；There is temperature sensor, humidity sensor and Smoke Sensor, respectively to temperature in case in casing
Degree, humidity and smokescope are monitored, and when temperature reaches to guard against temperature, microcontroller controls electromagnetic relay a to refrigeration
Machine is powered, and lowers the temperature in casing, and when humidity and smokescope reach warning, microcontroller controls electromagnetism relay
Device b is to whole device power-off, and sends alarm；Use main circuit control protecting box, voltage main line road through electromagnetic relay a with
Electromagnetic relay b inputs and controls protecting box into main circuit, and circuit can be carried out by the contactor that main circuit controls in protecting box
Electric leakage overload protection, is divided into three circuits in main circuit controls protecting box and is separately input to single-phase transformer and three-phase transformer
And refrigeration machine.
Accompanying drawing explanation
Fig. 1 is contour structures schematic diagram of the present invention；
Fig. 2 is box inner structure schematic diagram of the present invention；
Fig. 3 is box house partial schematic diagram of the present invention.
In figure: 1, casing；2, chamber door；3, handle；4, safety lock；5, single-phase transformation knob；6, single-phase voltage display；7、
Single-phase voltage output socket；8, three phase-change pressure knob；9, three-phase voltage display；10, three-phase voltage output socket；11, three-phase
Frequency conversion knob；12, three-phase ondoscope；13, voltage rectifier；14, single-phase transformer；15, heat sink；16, three phase-change pressure
Device；17, three phase converter；18, cryogen pipeline；19, refrigeration machine；20, electromagnetic relay a；21, main circuit controls protecting box；22、
Temperature sensor；23, Smoke Sensor；24, humidity sensor；25, electromagnetic relay b；；26, microcontroller；27, fixing
Plate；28, insulated thermal insulating layer.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-3, the present invention provides a kind of technical scheme: include casing 1；The front of described casing 1 is provided with
Two fan chamber doors 2；Described chamber door 2 is respectively equipped with a handle 3 near middle position；The described fan in two fan chamber doors 2
Chamber door 2 is provided with safety lock 4 in the lower position of handle 3；The one side upper middle position of described casing 1 is provided with single-phase
Transformation knob 5；The side of described single-phase transformation knob 5 is provided with single-phase voltage output socket 7；Described casing 1 side is close
The position of the opposite side of single-phase transformation knob 5 is provided with single-phase voltage display 6；Described single-phase voltage output socket 7 times
Side is provided with three phase-change pressure knobs 8；The side of three described phase-change pressure knobs 8 is provided with three-phase voltage display 9；Described three-phase
The opposite side of voltage display 9 is provided with three-phase voltage output socket 10；The downside of described three-phase voltage display 9 is provided with three
Phase ondoscope 12；The side of described three-phase ondoscope 12 is provided with three phase variable frequency knob 11；In described casing 1
Portion is provided with voltage rectifier 13 near the position on top；The side of described voltage rectifier 13 is single-phase transformer 14；Described
Single-phase transformer 14 bottom surface connect have heat sink 15；The downside of described heat sink 15 is provided with three-phase transformer 16；Described
Three-phase transformer 16 bottom surface connect have second block of heat sink 15；The downside of second block of described heat sink 15 is provided with three phase variable frequency
Device 17；The 3rd block of heat sink 15 it is provided with on the downside of described three phase converter 17；The downside of the 3rd block of described heat sink 15 sets
There is refrigeration machine 19；Described heat sink 15 is internal is provided with cryogen pipeline 18；Described cryogen pipeline 18 is connected with refrigeration machine 19；
Described three-phase voltage output socket 10 is arranged on casing 1 one side；The back side of described three-phase voltage display 9 and casing 1
One side be connected；Described three phase variable frequency knob 11, three phase-change pressure knob 8, single-phase transformation knob 5 are arranged on casing 1
Same side；Described single-phase transformation knob 5 is arranged on side, single-phase transformer 14 front；Described single-phase voltage display 6
It is arranged on single-phase transformer 14 front opposite side；The bottom surface of described refrigeration machine 19 is connected with casing 1 inside bottom surface；Described
Three phase-change pressure knobs 8 are arranged on the side in three-phase transformer 16 front；Described three-phase voltage display 9 is arranged on three phase-change pressure
The opposite side in device 16 front；Described three phase variable frequency knob 11 is arranged on the side in three phase converter 17 front；Described three-phase
Ondoscope 12 is arranged on the opposite side in three phase converter 17 front；Side box body 1 back side on second block of described heat sink 15
The position of inner side is provided with electromagnetic relay a20；The upside of described electromagnetic relay a20 is provided with main circuit and controls protecting box
21；Described main circuit controls electromagnetic relay b25 on the upside of protecting box 21；The described electromagnetic relay b25 back side, main circuit control
Protecting box 21 back side processed is connected inside casing 1 back side；The side of described electromagnetic relay b25 is provided with temperature sensor
22；The upside of described temperature sensor 22 is provided with Smoke Sensor 23；The upside of described Smoke Sensor 23 is provided with wet
Degree sensor 24；Described temperature sensor 22, Smoke Sensor 23, humidity sensor 24 three are located on the same line；
Between described temperature sensor 22 and electromagnetic relay b25, position is provided with microcontroller 26；Described microcontroller
26 are associated with temperature sensor 22, Smoke Sensor 23, humidity sensor 24；The back side of described microcontroller 26 connects
There is fixed plate 27；The another side of described fixed plate 27 is connected inside casing 1 back side；Inside described casing 1 end face
It is provided with insulated thermal insulating layer 28.
In the specific implementation, during this device busy, three phase converter 17 carries out frequency-conversion processing to electric voltage frequency to the present invention,
It is adjusted with three phase variable frequency knob 11, inputs the most again and process into three-phase transformer 16, adjust with three phase-change pressure knobs 8
Joint, at the voltage to frequency that three-phase voltage output socket 10 output needs；Voltage rectifier 13 carries out rectification to three-phase voltage to be become
Constant voltage exports, and then inputs into single-phase transformer 14, by the regulation of single-phase transformation knob 5, inserts in single-phase voltage output
The burning voltage that mouth 7 output needs；There is temperature sensor 22, humidity sensor 24 and Smoke Sensor 23, respectively in casing 1
Being monitored the temperature inside the box, humidity and smokescope, when temperature reaches to guard against temperature, microcontroller 26 controls electromagnetism relay
Refrigeration machine 19 is powered by device a20, lowers the temperature in casing 1, when humidity and smokescope reach warning, and miniature control
Device 26 controls electromagnetic relay b25 to whole device power-off, and sends alarm；Voltage main line road through electromagnetic relay a20 with
Electromagnetic relay b25 inputs and controls protecting box 21 into main circuit, and the contactor that main circuit controls in protecting box 21 can be to electricity
Road carries out the overload protection that leaks electricity, and is divided into three circuits and is separately input to single-phase transformer 14 He in main circuit controls protecting box 21
Three-phase transformer 16 and refrigeration machine 19, thus carry out control respectively.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (8)
1. a variable-frequency variable-voltage device, it is characterised in that: include casing (1)；The front of described casing (1) is provided with two fan casees
Door (2)；Described chamber door (2) is respectively equipped with a handle (3) near middle position；Described in two fans chamber door (2) one
Fan chamber door (2) is provided with safety lock (4) in the lower position of handle (3)；The one side upper middle position of described casing (1)
It is provided with single-phase transformation knob (5)；The side of described single-phase transformation knob (5) is provided with single-phase voltage output socket (7)；Described
Casing (1) side near the position of the opposite side of single-phase transformation knob (5), single-phase voltage display (6) is installed；Described
The downside of single-phase voltage output socket (7) is provided with three phase-change pressure knobs (8)；The side of three described phase-change pressure knobs (8) is installed
There is three-phase voltage display (9)；The opposite side of described three-phase voltage display (9) is provided with three-phase voltage output socket (10)；
The downside of described three-phase voltage display (9) is provided with three-phase ondoscope (12)；Described three-phase ondoscope
(12) side is provided with three phase variable frequency knob (11)；The internal position near top of described casing (1) is provided with voltage commutation
Device (13)；The side of described voltage rectifier (13) is single-phase transformer (14)；The bottom surface of described single-phase transformer (14)
Connect and have heat sink (15)；The downside of described heat sink (15) is provided with three-phase transformer (16)；Described three-phase transformer
(16) bottom surface connects second piece of heat sink (15)；The downside of second piece of described heat sink (15) is provided with three phase converter
(17)；Described three phase converter (17) downside is provided with the 3rd piece of heat sink (15)；The 3rd piece of described heat sink (15)
Downside is provided with refrigeration machine (19)；Described heat sink (15) is internal is provided with cryogen pipeline (18)；Described cryogen pipeline (18) with
Refrigeration machine (19) is connected.
A kind of variable-frequency variable-voltage device the most according to claim 1, it is characterised in that: described three-phase voltage output socket
(10) casing (1) one side it is arranged on；The back side of described three-phase voltage display (9) is connected with the one side of casing (1)；
Described three phase variable frequency knob (11), three phase-change pressure knobs (8), single-phase transformation knob (5) are arranged on the same side of casing (1)
Face.
A kind of variable-frequency variable-voltage device the most according to claim 1, it is characterised in that: described single-phase transformation knob (5) peace
It is contained in single-phase transformer (14) side, front；It is another that described single-phase voltage display (6) is arranged on single-phase transformer (14) front
Side；The bottom surface of described refrigeration machine (19) is connected with casing (1) inside bottom surface.
A kind of variable-frequency variable-voltage device the most according to claim 1, it is characterised in that: three described phase-change pressure knob (8) peaces
It is contained in the side in three-phase transformer (16) front；Described three-phase voltage display (9) is arranged on three-phase transformer (16) front
Opposite side；Described three phase variable frequency knob (11) is arranged on the side in three phase converter (17) front；Described three-phase frequency
Display (12) is arranged on the opposite side in three phase converter (17) front.
A kind of variable-frequency variable-voltage device the most according to claim 1, it is characterised in that: on second piece of described heat sink (15)
Position inside side box body (1) back side is provided with electromagnetic relay a (20)；The upside of described electromagnetic relay a (20) is provided with
Main circuit controls protecting box (21)；Described main circuit controls protecting box (21) upside electromagnetic relay b (25)；Described electromagnetism
Relay b (25) back side, main circuit control protecting box (21) back side and are connected inside casing (1) back side.
A kind of variable-frequency variable-voltage device the most according to claim 5, it is characterised in that: described electromagnetic relay b's (25)
Side is provided with temperature sensor (22)；The upside of described temperature sensor (22) is provided with Smoke Sensor (23)；Described cigarette
The upside of mist sensor (23) is provided with humidity sensor (24)；Described temperature sensor (22), Smoke Sensor (23), wet
Degree sensor (24) three is located on the same line.
7. according to a kind of variable-frequency variable-voltage device described in claim 1 or 6, it is characterised in that: described temperature sensor (22)
And position is provided with microcontroller (26) between electromagnetic relay b (25)；Described microcontroller (26) and temperature sensing
Device (22), Smoke Sensor (23), humidity sensor (24) are associated.
8. according to a kind of variable-frequency variable-voltage device described in claim 1 or 7, it is characterised in that: described microcontroller (26)
The back side connect have fixed plate (27)；The another side of described fixed plate (27) is connected inside casing (1) back side；Described
Casing (1) end face inside be provided with insulated thermal insulating layer (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690533.6A CN106158316B (en) | 2016-08-20 | 2016-08-20 | A kind of variable-frequency variable-voltage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690533.6A CN106158316B (en) | 2016-08-20 | 2016-08-20 | A kind of variable-frequency variable-voltage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106158316A true CN106158316A (en) | 2016-11-23 |
| CN106158316B CN106158316B (en) | 2018-01-19 |
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ID=57331103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610690533.6A Active CN106158316B (en) | 2016-08-20 | 2016-08-20 | A kind of variable-frequency variable-voltage device |
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| Country | Link |
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| CN (1) | CN106158316B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112148141A (en) * | 2019-06-28 | 2020-12-29 | Abb瑞士股份有限公司 | Converter and method for manufacturing converter |
| CN112712976A (en) * | 2020-12-26 | 2021-04-27 | 深圳市渝华发电子科技有限公司 | Energy-saving environment-friendly electronic transformer |
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| US20050188708A1 (en) * | 2004-02-27 | 2005-09-01 | York International Corporation | System and method for variable speed operation of a screw compressor |
| CN101351953A (en) * | 2006-01-03 | 2009-01-21 | 约克国际公司 | Electronic control transformer using DC link voltage |
| CN101442250A (en) * | 2007-11-23 | 2009-05-27 | 张永亮 | Combined frequency changer for mining |
| CN205992470U (en) * | 2016-08-20 | 2017-03-01 | 国网山东省电力公司龙口市供电公司 | A kind of variable-frequency variable-voltage device |
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2016
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050188708A1 (en) * | 2004-02-27 | 2005-09-01 | York International Corporation | System and method for variable speed operation of a screw compressor |
| CN101351953A (en) * | 2006-01-03 | 2009-01-21 | 约克国际公司 | Electronic control transformer using DC link voltage |
| CN101442250A (en) * | 2007-11-23 | 2009-05-27 | 张永亮 | Combined frequency changer for mining |
| CN205992470U (en) * | 2016-08-20 | 2017-03-01 | 国网山东省电力公司龙口市供电公司 | A kind of variable-frequency variable-voltage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112148141A (en) * | 2019-06-28 | 2020-12-29 | Abb瑞士股份有限公司 | Converter and method for manufacturing converter |
| US11444544B2 (en) | 2019-06-28 | 2022-09-13 | Abb Schweiz Ag | Converter |
| CN112712976A (en) * | 2020-12-26 | 2021-04-27 | 深圳市渝华发电子科技有限公司 | Energy-saving environment-friendly electronic transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106158316B (en) | 2018-01-19 |
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