CN206272506U - A kind of high power DC arrangements for speed regulation - Google Patents

A kind of high power DC arrangements for speed regulation Download PDF

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Publication number
CN206272506U
CN206272506U CN201621438035.4U CN201621438035U CN206272506U CN 206272506 U CN206272506 U CN 206272506U CN 201621438035 U CN201621438035 U CN 201621438035U CN 206272506 U CN206272506 U CN 206272506U
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China
Prior art keywords
power
arrangements
cabinet
speed regulation
busbar
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CN201621438035.4U
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Chinese (zh)
Inventor
高建军
王伟征
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Tianjin Yizhong Electric Automation Co Ltd
China First Heavy Industries Co Ltd
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Tianjin Yizhong Electric Automation Co Ltd
China First Heavy Industries Co Ltd
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Priority to CN201621438035.4U priority Critical patent/CN206272506U/en
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Abstract

The utility model is a kind of described high power DC arrangements for speed regulation, including power cell, control unit, cabinet, it is characterized in that, power cell is located at cabinet top, control unit is in cabinet, and control unit is spaced apart with power cell, the control loop in major loop, control unit in power cell and the subsidiary loop in cabinet pass through connection.Preferably, power cell includes each support member up and down, support member is each side connected with one block of side plate, lower support member inner side is respectively provided with a busbar a, two pieces of side sheet rooms are provided with six silicon controlled components of series connection, space bar is provided between each silicon controlled component, silicon controlled component includes radiator, controllable silicon, controllable silicon is clipped in the middle of two radiators, there is chute per sheet heat radiator front-back, there is the tent in strap bolt hole in chute, tent is fixed with busbar b, busbar c, it is fixed with busbar c and is melted soon, the busbar a on lower support element is coordinated by bolt with busbar c.

Description

A kind of high power DC arrangements for speed regulation
Technical field
The utility model is related to DC speed regulation technical field, more particularly to a kind of high power DC arrangements for speed regulation.
Background technology
Direct current speeder is widely used in the industries such as steel, plastics, printing, papermaking, lifting, mining, petroleum gas As the driver of direct current generator, also can be used as the excitation unit of synchronous motor.Country's control unit is placed in and power list at present First hypotelorism, or even be placed in power cell, power cell caloric value is larger, serious on control unit influence, control unit In control loop and power cell in major loop electromagnetic interference it is serious, influence equipment overall performance, and control loop and master Narrow space between loop element, debugging, maintenance difficult.Accordingly, it would be desirable to make improvement in structure.
Utility model content
The utility model aims to solve the problem that the deficiencies in the prior art, and provides a kind of high power DC arrangements for speed regulation.
The utility model to achieve the above object, using following technical scheme:
A kind of described high power DC arrangements for speed regulation, including power cell, control unit, cabinet, it is characterised in that work( Rate unit is located at cabinet top, and control unit is in cabinet, and control unit is spaced apart with power cell, power list The control loop in major loop, control unit in unit and the subsidiary loop in cabinet pass through connection.
Preferably, power cell includes each support member up and down, and support member is each side connected with one block of side plate, on Lower support element inner side is respectively provided with a busbar a, and two pieces of side sheet rooms are provided between six silicon controlled components of series connection, each silicon controlled component Space bar is provided with, silicon controlled component includes radiator, controllable silicon, and controllable silicon is clipped in the middle of two radiators, before every sheet heat radiator There is chute below, there is the tent in strap bolt hole in chute, tent is fixed with busbar b, busbar c, be fixed with busbar c and melted soon, Busbar a on lower support element is coordinated by bolt with busbar c.
Preferably, there is location hole on controllable silicon, pin positions controllable silicon through radiator, adjacent two sheet heat radiator is held tightly An entirety is formed with controllable silicon.
Preferably, power cell top is provided with heat-sink unit.
Preferably, the heat-sink unit includes ventilator cowling, blower fan, and ventilator cowling is located on power cell, and blower fan is located at ventilation On cover.
Preferably, blower fan is axial fan.
Preferably, the upper lower flange of ventilator cowling carries sealing gasket.
Preferably, cabinet body sidewall is provided with air vent.
Preferably, the air vent on the cabinet body sidewall is provided with screen pack.
Control panel, power panel, pulse plate, excitation plate and energized circuit collectively form device control units, and wherein excitation is returned Road is integrated into control unit bottom (see Fig. 2 control units).The major loop of power cell is by two three-phase half-controlled rectifier circuits Inverse parallel is constituted, and is capable of achieving motor four quadrant running, it is also possible to used as polarity is variable, the adjustable rectifier power source of voltage is (see Fig. 1 work( Rate unit).Major loop three-phase inlet wire is connected to power cell by copper bar.Major loop is by two-way inverse parallel three-phase half-controlled rectifier bridge group Into power electronic element is controllable silicon.It is protected by six fast molten and six groups of resistance-capacitance absorption loops respectively, six fast There are three in AC in molten, there are three in DC side, its electric function is the same, and corresponding silicon controlled component can be carried out Overcurrent protection, and this design can make overall structure more science, attractive in appearance.Three-phase major loop by copper bar respectively with its In three fast molten series connection, each it is fast it is molten connected one group of silicon controlled component by copper bar respectively, this three groups of silicon controlled component leading-out terminals are used Copper bar composes in parallel the pole of DC side one;Three-phase major loop is connected with other three groups of silicon controlled components respectively by copper bar simultaneously, often One during group silicon controlled component leading-out terminal melts soon with remaining three respectively is connected with copper bar, and three melt out line end copper bar soon Compose in parallel another pole of DC side.And six groups of resistance-capacitance absorption loops carried out with high-voltage line and six groups of silicon controlled components respectively it is in parallel, Overvoltage protection is carried out with to silicon controlled component.In major loop end of incoming cables, two current transformers, Current Transformer Secondary side are installed Control unit is accessed to by twisted-pair feeder, main circuit current is detected.Respectively from three-phase alternating current inlet wire and direct current outlet Five road circuits being drawn with high-voltage line and being connected to control unit, incoming power voltage and outlet supply voltage are examined on copper bar Survey.Major loop six is molten soon to be respectively provided with normally opened auxiliary contact, and six auxiliary contact wired in series are connected into control unit, right Molten failure is detected soon.Control unit draws pulse signal-line from power panel with twisted-pair feeder, after amplifying through pulse amplification board Corresponding control machines end is caused, the opening to controllable silicon is controlled, so as to control DC voltage.
The beneficial effects of the utility model are:The utility model separates control unit with power cell, it is therefore prevented that power The heat influence control unit performance that unit is distributed, while avoiding major loop and control loop in control unit in power cell Electromagnetic interference, control unit is independent to be also convenient for major loop and control loop debugging, maintenance;Power cell top is provided with Heat-sink unit, is easy to power cell to radiate;Cabinet body sidewall is provided with air vent, and heat-sink unit forms air-flow from bottom to top, cold sky Gas passes into all elements and rises to heat-sink unit through the ventilating opening on cabinet body sidewall, and heat-sink unit will absorb big calorimetric Air is discharged, and high power DC arrangements for speed regulation is radiated and is continued well;Silicon controlled component forms a whole, and is easy to user more Change.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of power cell of the present utility model and heat-sink unit;
Fig. 3 is the explosive view of power cell of the present utility model;
Fig. 4 is silicon controlled component explosive view of the present utility model;
Fig. 5 is control unit structural representation of the present utility model;
Fig. 6 is busbar b of the present utility model, busbar c and silicon controlled component assembling explosive view.
In figure:1- power cells;2- control units;3- cabinets;4- heat-sink units;5- ventilator cowlings;6- blower fans;7- radiates Device;8- controllable silicons;9- melts soon;10- busbars a;11- busbars b;12- busbars c;13- side plates;14- support members;15- Group of Silicon Controlled Rectifier Part;16- space bars;17- chutes;18- tents.
It is described in detail below with reference to accompanying drawing of the present utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
As shown in Figures 1 to 6, a kind of described high power DC arrangements for speed regulation, including power cell 1, control unit 2, Cabinet 3, it is characterised in that power cell 1 is located at the top of cabinet 3, and control unit 2 is in cabinet 3, and control unit 2 and work( Rate unit 1 is spaced apart, auxiliary in the control loop in major loop, control unit 2 and cabinet 3 in power cell 1 Loop is helped to pass through connection.
Preferably, power cell 1 includes each support member 14 up and down, and support member 14 is each side connected with one piece of side Plate 13, the inner side of lower support member 14 is respectively provided with the silicon controlled component that six series connection are provided between a busbar a10, two blocks of side plates 13 15, space bar 16 is provided between each silicon controlled component 15, silicon controlled component 15 includes radiator 7, controllable silicon 8, and controllable silicon 8 is clipped in two In the middle of individual radiator 7, having per the front-back of sheet heat radiator 7 has the tent 18 in strap bolt hole in chute 17, chute 17, and tent 18 is consolidated Surely there are busbar b11, busbar c12, fast molten 9 are fixed with busbar c12, the busbar a10 on lower support element 14 passes through bolt and busbar C12 coordinates.
Preferably, there is location hole on controllable silicon 8, pin positions controllable silicon 8 through radiator 7, adjacent two sheet heat radiator 7 Hold tightly and form an entirety with controllable silicon 8.
Preferably, the top of power cell 1 is provided with heat-sink unit 4.
Preferably, the heat-sink unit 4 includes ventilator cowling 5, blower fan 6, and ventilator cowling 5 is located on power cell 1, blower fan 6 In on ventilator cowling 5.
Preferably, blower fan 6 is axial fan.
Preferably, the upper lower flange of ventilator cowling 5 carries sealing gasket.
Preferably, the side wall of cabinet 3 is provided with air vent.
Preferably, the air vent on the side wall of the cabinet 3 is provided with screen pack.
Control panel, power panel, pulse plate, excitation plate and energized circuit collectively form device control units 2, and wherein excitation is returned Road is integrated into the bottom of control unit 2 (see Fig. 5 control units).The major loop of power cell 1 is by two three-phase half-controlled rectifier bridge electricity Road inverse parallel composition, is capable of achieving motor four quadrant running, it is also possible to used as polarity is variable, the adjustable rectifier power source of voltage is (see Fig. 3 Power cell).Major loop three-phase inlet wire is connected to power cell 1 by copper bar.Major loop is by two-way inverse parallel three-phase half-controlled rectification Bridge is constituted, and power electronic element is controllable silicon 8.It is protected by six fast molten 9 and six groups of resistance-capacitance absorption loops respectively, There are three in AC in six fast molten 9, there are three in DC side, its electric function is the same, can be to corresponding controllable silicon Component 15 carries out overcurrent protection, and this design can make overall structure more science, attractive in appearance.Three-phase major loop passes through copper Row fast with wherein three molten 9 connects respectively, and each melts 9 respectively by copper bar one group of silicon controlled component 15 of series connection soon, and this three groups controllable The leading-out terminal copper bar of silicon component 15 composes in parallel the pole of DC side one;Three-phase major loop respectively can with other three groups by copper bar simultaneously Control silicon component 15 is connected, and every group of leading-out terminal of silicon controlled component 15 is connected with remaining three soon molten 9 with copper bar respectively, Three melt 9 leading-out terminal copper bars and compose in parallel another pole of DC side soon.And high-voltage line and six are used in six groups of resistance-capacitance absorption loops respectively Group silicon controlled component 15 carries out parallel connection, and overvoltage protection is carried out with to silicon controlled component 15.In major loop end of incoming cables, two electricity are installed Current transformer, Current Transformer Secondary side accesses to control unit 2 by twisted-pair feeder, and main circuit current is detected.Respectively from Five road circuits are drawn with high-voltage line and be connected to control unit 2, on three-phase alternating current inlet wire and the copper bar of direct current outlet to incoming power Voltage and outlet supply voltage are detected.Major loop six molten 9 is respectively provided with normally opened auxiliary contact soon, and six auxiliary are touched Point wired in series is connected to control unit 2, and fast molten 9 failures are detected.Control unit 2 is drawn from power panel with twisted-pair feeder Pulse signal-line, the triggering end of corresponding controllable silicon 8 is caused after amplifying through pulse amplification board, and the opening to controllable silicon 8 is controlled, So as to control DC voltage.
The utility model is described above in conjunction with accompanying drawing, it is clear that the utility model is implemented does not receive above-mentioned side The limitation of formula, if the various improvement that method design of the present utility model and technical scheme are carried out are employed, or it is not improved straight Scoop out for other occasions, within protection domain of the present utility model.

Claims (10)

1. a kind of high power DC arrangements for speed regulation, including power cell (1), control unit (2), cabinet (3), it is characterised in that Power cell (1) is located at cabinet (3) top, and control unit (2) is in cabinet (3), and control unit (2) and power cell (1) it is spaced apart, in the control loop in major loop, control unit (2) and cabinet (3) in power cell (1) Subsidiary loop passes through connection.
2. a kind of high power DC arrangements for speed regulation according to claim 1, it is characterised in that power cell (1) is including upper Under each support member (14), support member (14) is each side connected with one piece of side plate (13), lower support member (14) inner side It is respectively provided with the silicon controlled component (15) that six series connection are provided between a busbar a (10), two pieces of side plates (13), each silicon controlled component (15) space bar (16) is provided between, silicon controlled component (15) includes radiator (7), controllable silicon (8), and controllable silicon (8) is clipped in two In the middle of radiator (7), having per sheet heat radiator (7) front-back has the tent (18) in strap bolt hole in chute (17), chute (17), Tent (18) is fixed with busbar b (11), busbar c (12), and molten (9) soon, the mother on lower support element (14) is fixed with busbar c (12) Row a (10) is coordinated by bolt and busbar c (12).
3. a kind of high power DC arrangements for speed regulation according to claim 2, it is characterised in that controllable silicon has positioning on (8) Hole, pin positions controllable silicon (8) through radiator (7), and adjacent two sheet heat radiator (7) is held tightly and forms one with controllable silicon (8) It is overall.
4. according to a kind of high power DC arrangements for speed regulation that claims 1 to 3 is any one of, it is characterised in that power list First (1) top is provided with heat-sink unit (4).
5. a kind of high power DC arrangements for speed regulation according to claim 4, it is characterised in that heat-sink unit (4) bag Ventilator cowling (5), blower fan (6) are included, on power cell (1), blower fan (6) is on ventilator cowling (5) for ventilator cowling (5).
6. a kind of high power DC arrangements for speed regulation according to claim 5, it is characterised in that blower fan (6) is axial-flow type wind Machine.
7. a kind of high power DC arrangements for speed regulation according to claim 5 or 6, it is characterised in that ventilator cowling (5) it is upper and lower Flange carries sealing gasket.
8. according to a kind of high power DC arrangements for speed regulation any one of in claim 1,2,3,5,6, it is characterised in that Cabinet (3) side wall is provided with air vent.
9. a kind of high power DC arrangements for speed regulation according to claim 4, it is characterised in that cabinet (3) side wall is provided with logical Air holes.
10. a kind of high power DC arrangements for speed regulation according to claim 8, it is characterised in that on the wall of cabinet (3) side Air vent be provided with screen pack.
CN201621438035.4U 2016-12-26 2016-12-26 A kind of high power DC arrangements for speed regulation Active CN206272506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621438035.4U CN206272506U (en) 2016-12-26 2016-12-26 A kind of high power DC arrangements for speed regulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621438035.4U CN206272506U (en) 2016-12-26 2016-12-26 A kind of high power DC arrangements for speed regulation

Publications (1)

Publication Number Publication Date
CN206272506U true CN206272506U (en) 2017-06-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109194156A (en) * 2018-11-06 2019-01-11 北京金自天正智能控制股份有限公司 A kind of compact is single-phase or three phase excitation power cell
CN109787519A (en) * 2018-12-29 2019-05-21 湖南鼎创装备有限公司 A kind of DC motor drive and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109194156A (en) * 2018-11-06 2019-01-11 北京金自天正智能控制股份有限公司 A kind of compact is single-phase or three phase excitation power cell
CN109787519A (en) * 2018-12-29 2019-05-21 湖南鼎创装备有限公司 A kind of DC motor drive and method

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