CN205992470U - A kind of variable-frequency variable-voltage device - Google Patents

A kind of variable-frequency variable-voltage device Download PDF

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Publication number
CN205992470U
CN205992470U CN201620905466.0U CN201620905466U CN205992470U CN 205992470 U CN205992470 U CN 205992470U CN 201620905466 U CN201620905466 U CN 201620905466U CN 205992470 U CN205992470 U CN 205992470U
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CN
China
Prior art keywords
phase
variable
casing
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.)
Withdrawn - After Issue
Application number
CN201620905466.0U
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Chinese (zh)
Inventor
吴晓燕
王�华
王华一
赵伟
李建平
陈兆春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Longkou Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Longkou Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Priority to CN201620905466.0U priority Critical patent/CN205992470U/en
Application granted granted Critical
Publication of CN205992470U publication Critical patent/CN205992470U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model 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;The position of the opposite side near single-phase transformation knob for the body side is provided with single-phase voltage display;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;This utility model can carry out the conversion of power circuit voltage and frequency, and is provided with corresponding temperature, smog, humidity control, takies small volume, safe ready.

Description

A kind of variable-frequency variable-voltage device
Technical field
This utility model is related to technical field of transformation equipment, specially a kind of variable-frequency variable-voltage device.
Background technology
At present, flexibly control and Power Market Development from power network safety operation, trend, between interconnected network Need clearly interface, exchange interconnection this point is seemed more important.Otherwise once a certain interconnection circuit fault occurs, just It is likely to occur large-scale power transfer, affect the safe operation of whole networked system.This curtain just in 2003, stopped by beautiful increasing Occurred in electricity, and brought serious consequence.Further, since being limited by direct current transportation self-characteristic, customary DC (includes straight Stream is back-to-back) normal operation need, 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 also 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.In 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 is mostly 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.
Content of the invention
The purpose of this utility model is to provide a kind of variable-frequency variable-voltage device, with solve in above-mentioned background technology propose ask Topic.
For achieving the above object, this utility model provides following technical scheme:A kind of variable-frequency variable-voltage device, including casing; The front of described casing is provided with two fan chamber doors;Described chamber door is respectively equipped with a handle near middle position;Described Two fan chamber doors in one fan chamber doors in the lower position of handle, safety lock is installed;In the middle of the one side top of described casing Position 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 The position of the opposite side near single-phase transformation knob for the body side surface is provided with single-phase voltage display;Described single-phase voltage output is inserted The downside of mouth 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 The opposite side of three-phase voltage display is provided with three-phase voltage output socket;The downside of described three-phase voltage display is provided with three Phase ondoscope;The side of described three-phase ondoscope is provided with three phase variable frequency knob;Described box house is close The position on top is provided with voltage rectifier;The side of described voltage rectifier is single-phase transformer;Described single-phase transformer Bottom surface be connected with heat sink;The downside of described heat sink is provided with three-phase transformer;Described three-phase transformer bottom surface connects There is second block of heat sink;The downside of second block of described heat sink is provided with three phase converter;Set on the downside of described three phase converter It is equipped with the 3rd block of heat sink;The downside of the 3rd block of described heat sink is provided with refrigeration machine;It is provided with cryogen inside described heat sink Pipeline;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 single-phase transformer front side;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, the position inside second piece of described heat sink upper side box body back side is provided with electromagnetic relay a;Described Electromagnetic relay a upside be provided with main circuit control protecting box;Described main circuit controls electromagnetic relay on the upside of protecting box b;The described electromagnetic relay b back side, main circuit control the protecting box back side to be 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 is connected with 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 beneficial effects of the utility model are:This utility model adopts three phase converter three phase transformation Depressor, three phase converter carries out frequency-conversion processing to electric voltage frequency, is adjusted with three phase variable frequency knob, because converter is to other Part interference is stronger, is individually placed in one layer.Input again afterwards and process into three-phase transformer, adjusted with three phase-change pressure knobs Section, the voltage to frequency needing in the output of three-phase voltage output socket;Using voltage rectifier, voltage rectifier is pressed into three-phase electricity Row rectification becomes constant voltage output, then inputs into single-phase transformer, by the regulation of single-phase transformation knob, in single-phase voltage The burning voltage that output socket output needs;There is in casing temperature sensor, humidity sensor and Smoke Sensor, right respectively The temperature inside the box, humidity and smokescope are monitored, and when temperature reaches warning temperature, microcontroller controls electromagnetic relay a Refrigeration machine is powered, lowers the temperature in casing, when humidity and smokescope reach warning, microcontroller controls electricity Magnetic relay b is to whole device power-off, and sends alarm;Protecting box is controlled using main circuit, continue through electromagnetism in voltage main line road Electrical equipment a and electromagnetic relay b inputs and controls protecting box into main circuit, and the contactor in main circuit control protecting box 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 and three-phase in main circuit control protecting box Transformator and refrigeration machine.
Brief description
Fig. 1 is this utility model contour structures schematic diagram;
Fig. 2 is this utility model box inner structure schematic diagram;
Fig. 3 is this utility model box house partial schematic diagram.
In figure:1st, casing;2nd, chamber door;3rd, handle;4th, safety lock;5th, single-phase transformation knob;6th, single-phase voltage display;7、 Single-phase voltage output socket;8th, three phase-change pressure knob;9th, three-phase voltage display;10th, three-phase voltage output socket;11st, three-phase Frequency conversion knob;12nd, three-phase ondoscope;13rd, voltage rectifier;14th, single-phase transformer;15th, heat sink;16th, three phase-change pressure Device;17th, three phase converter;18th, cryogen pipeline;19th, refrigeration machine;20th, electromagnetic relay a;21st, main circuit controls protecting box;22、 Temperature sensor;23rd, Smoke Sensor;24th, humidity sensor;25th, electromagnetic relay b;;26th, microcontroller;27th, fixing Plate;28th, insulated thermal insulating layer.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-3, this utility model provides a kind of technical scheme:Including casing 1;The front peace of described casing 1 Equipped with two fan chamber doors 2;Described chamber door 2 is respectively equipped with a handle 3 near middle position;In two described fan chamber doors 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 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 Position near the opposite side of single-phase transformation knob 5 is provided with single-phase voltage display 6;Described single-phase voltage output socket 7 Downside be 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 The opposite side of three-phase voltage display 9 is provided with three-phase voltage output socket 10;The downside of described three-phase voltage display 9 is installed There is three-phase ondoscope 12;The side of described three-phase ondoscope 12 is provided with three phase variable frequency knob 11;Described case The internal position near top of body 1 is provided with voltage rectifier 13;The side of described voltage rectifier 13 is single-phase transformer 14; The bottom surface of described single-phase transformer 14 is connected with heat sink 15;The downside of described heat sink 15 is provided with three-phase transformer 16; Described three-phase transformer 16 bottom surface is connected with second block of heat sink 15;The downside of second block of described heat sink 15 is provided with three-phase Converter 17;It is provided with the 3rd block of heat sink 15 on the downside of described three phase converter 17;Under the 3rd block of described heat sink 15 Side is provided with refrigeration machine 19;It is provided with cryogen pipeline 18 inside described heat sink 15;Described cryogen pipeline 18 and refrigeration machine 19 phase Connect;Described three-phase voltage output socket 10 is arranged on casing 1 one side;The described back side of three-phase voltage display 9 with The one side of casing 1 is connected;Described three phase variable frequency knob 11, three phase-change pressure knobs 8, single-phase transformation knob 5 are arranged on case The same side of body 1;Described single-phase transformation knob 5 is arranged on single-phase transformer 14 front side;Described single-phase voltage shows Show that device 6 is arranged on single-phase transformer 14 front opposite side;The described bottom surface of refrigeration machine 19 is connected with casing 1 inside bottom surface; Three described 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 The opposite side in phase transformer 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 be arranged on the opposite side in three phase converter 17 front;Second piece of described heat sink 15 upper side box body Position inside 1 back side is provided with electromagnetic relay a20;The upside of described electromagnetic relay a20 is provided with main circuit and controls guarantor Shield box 21;Described main circuit controls protecting box 21 upside electromagnetic relay b25;The described electromagnetic relay b25 back side, main electricity Road controls protecting box 21 back side to be connected with inside casing 1 back side;The side of described electromagnetic relay b25 is provided with temperature sensing Device 22;The upside of described temperature sensor 22 is provided with Smoke Sensor 23;The upside of described Smoke Sensor 23 is provided with Humidity sensor 24;Described temperature sensor 22, Smoke Sensor 23, humidity sensor 24 three are located at same straight line On;Between described temperature sensor 22 and electromagnetic relay b25, position is provided with microcontroller 26;Described miniature control Device 26 is associated with temperature sensor 22, Smoke Sensor 23, humidity sensor 24;The back side of described microcontroller 26 is even It is connected to fixed plate 27;The described another side of fixed plate 27 is connected with inside casing 1 back side;In described casing 1 top surface Portion is provided with insulated thermal insulating layer 28.
In the specific implementation, during this device busy, three phase converter 17 carries out frequency conversion to electric voltage frequency to this utility model Process, be adjusted with three phase variable frequency knob 11, input again afterwards and process into three-phase transformer 16, entered with three phase-change pressure knobs 8 Row is adjusted, the voltage to frequency needing in three-phase voltage output socket 10 output;Voltage rectifier 13 carries out rectification to three-phase voltage Become constant voltage output, then input into single-phase transformer 14, by the regulation of single-phase transformation knob 5, defeated in single-phase voltage Go out the burning voltage that socket 7 output needs;There is in casing 1 temperature sensor 22, humidity sensor 24 and Smoke Sensor 23, Respectively the temperature inside the box, humidity and smokescope are monitored, when temperature reaches warning temperature, microcontroller 26 controls electromagnetism Relay a20 is powered to refrigeration machine 19, lowers the temperature in casing 1, when humidity and smokescope reach warning, miniature Controller 26 controls electromagnetic relay b25 to whole device power-off, and sends alarm;Voltage main line road is through electromagnetic relay A20 and electromagnetic relay b25 inputs and controls protecting box 21 into main circuit, and main circuit controls the contactor in protecting box 21 permissible Circuit is carried out with the overload protection that leaks electricity, is divided into three circuits in main circuit control protecting box 21 and is separately input to single-phase transformer 14 and three-phase transformer 16 and refrigeration machine 19, thus carry out control respectively.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (8)

1. a kind of variable-frequency variable-voltage device it is characterised in that:Including 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;In two described 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 The position of the opposite side near single-phase transformation knob (5) for casing (1) side 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) It is connected with heat sink (15);The downside of described heat sink (15) is provided with three-phase transformer (16);Described three-phase transformer (16) bottom surface is connected with second piece of heat sink (15);The downside of second piece of described heat sink (15) is provided with three phase converter (17);It is provided with the 3rd piece of heat sink (15) on the downside of described three phase converter (17);The 3rd piece of described heat sink (15) Downside is provided with refrigeration machine (19);It is provided with cryogen pipeline (18) inside described heat sink (15);Described cryogen pipeline (18) with Refrigeration machine (19) is connected.
2. a kind of variable-frequency variable-voltage device according to claim 1 it is characterised in that:Described three-phase voltage output socket (10) it is arranged on casing (1) one side;The described back side of 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.
3. a kind of variable-frequency variable-voltage device according to claim 1 it is characterised in that:Described single-phase transformation knob (5) peace It is contained in single-phase transformer (14) front side;It is another that described single-phase voltage display (6) is arranged on single-phase transformer (14) front Side;The described bottom surface of refrigeration machine (19) is connected with casing (1) inside bottom surface.
4. a kind of variable-frequency variable-voltage device 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.
5. a kind of variable-frequency variable-voltage device 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 electromagnetic relay b (25) on the upside of protecting box (21);Described electromagnetism Relay b (25) back side, main circuit control protecting box (21) back side to be connected with inside casing (1) back side.
6. a kind of variable-frequency variable-voltage device 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. a kind of variable-frequency variable-voltage device according to claim 6 it is characterised in that:Described temperature sensor (22) and electricity Between magnetic relay b (25), position is provided with microcontroller (26);Described microcontroller (26) and temperature sensor (22), Smoke Sensor (23), humidity sensor (24) are associated.
8. a kind of variable-frequency variable-voltage device according to claim 7 it is characterised in that:The back of the body of described microcontroller (26) Face is connected with fixed plate (27);The described another side of fixed plate (27) is connected with inside casing (1) back side;Described case It is provided with insulated thermal insulating layer (28) inside body (1) top surface.
CN201620905466.0U 2016-08-20 2016-08-20 A kind of variable-frequency variable-voltage device Withdrawn - After Issue CN205992470U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620905466.0U CN205992470U (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
CN201620905466.0U CN205992470U (en) 2016-08-20 2016-08-20 A kind of variable-frequency variable-voltage device

Publications (1)

Publication Number Publication Date
CN205992470U true CN205992470U (en) 2017-03-01

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CN201620905466.0U Withdrawn - After Issue CN205992470U (en) 2016-08-20 2016-08-20 A kind of variable-frequency variable-voltage device

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158316A (en) * 2016-08-20 2016-11-23 国网山东省电力公司龙口市供电公司 A kind of variable-frequency variable-voltage device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158316A (en) * 2016-08-20 2016-11-23 国网山东省电力公司龙口市供电公司 A kind of variable-frequency variable-voltage device
CN106158316B (en) * 2016-08-20 2018-01-19 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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Granted publication date: 20170301

Effective date of abandoning: 20180119