CN201733265U - Outdoor box type variable-frequency control station - Google Patents
Outdoor box type variable-frequency control station Download PDFInfo
- Publication number
- CN201733265U CN201733265U CN2010201167377U CN201020116737U CN201733265U CN 201733265 U CN201733265 U CN 201733265U CN 2010201167377 U CN2010201167377 U CN 2010201167377U CN 201020116737 U CN201020116737 U CN 201020116737U CN 201733265 U CN201733265 U CN 201733265U
- Authority
- CN
- China
- Prior art keywords
- box type
- control station
- frequency conversion
- case
- outdoor box
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model provides an outdoor box type variable-frequency control station, which comprises an inner box portion and an outer box portion. The outer box portion consists of a high-voltage input end, a rectifier transformer with a load switch box, and a protective cover of the rectifier transformer, a load switch positioned between the high-voltage input end and the rectifier transformer is used for inputting externally provided high-voltage electricity and connecting or disconnecting a high-voltage power supply, and the rectifier transformer is used for reducing voltage of the input high-voltage power supply and outputting a low-voltage power supply. The inner box portion includes a low-voltage bus, a distribution switch, a frequency converter, an IO control device, a radiating device and a box body, the frequency converter is used for converting frequency of the low-voltage power supply outputted by the rectifier transformer and outputting a driving power supply to an external alternating-current motor, the IO control device is used for controlling the frequency converter and related equipment, the radiating device is used for radiating inside the box body and controlled by the IO control device, and the box body is used for containing the low-voltage bus, the distribution switch, the frequency converter, the IO control device, the radiating device and the like.
Description
Technical field
The utility model about the motor-driven control technology of drive motors away from master-control room, is a kind of outdoor box type frequency conversion control station particularly about the motor-driven control technology concretely.
Background technology
In the prior art, occasions such as for example metallurgical stock ground, harbour stock ground, the place is open, on-the-spot drive motors in this case, can adopt low-voltage variable frequency to drive motor is controlled away from master-control room, yet low-voltage variable frequency drives needs the electric cable with large cross-section power supply, and cost is very high.
Also have and adopt high voltage converter to drive the scheme that motor is controlled, yet the cost of motor, frequency converter and cable is very high in this scheme.
Adopt constant speed motor to drive the scheme that motor is controlled in addition, yet the starting current of this scheme is bigger, bigger to the impulse ratio of electric power system, can not start simultaneously, the entire job line is long start-up time, and the speed of service also can not be adjusted.
The utility model content
In order to solve the deficiency that the prior art scheme exists, the utility model embodiment provides a kind of outdoor box type frequency conversion control station, in order to reduce the cost of service cable, motor and frequency converter, reduces starting current, and makes the motor speed of service controlled.
The purpose of this utility model is, a kind of outdoor box type frequency conversion control station is provided, this outdoor box type frequency conversion control station comprises two parts: the outer part of part and case in the case, the outer part of case is made up of rectifier transformer that has the on-load switch case and protective cover thereof, on-load switch is between high voltage input terminal and rectifier transformer, be used to import the high-tension electricity that the outside provides, and be switched on or switched off high voltage source; Rectifier transformer is used for the high voltage source of input is carried out step-down, the output low-tension supply; Case comprises inner the branch: equipment such as low-voltage bus bar, panel switches, frequency converter, IO control device, heat abstractor, casing; Described frequency converter is used for the low-tension supply of rectifier transformer output is carried out frequency-conversion processing, and to outside alternating current machine output driving power; Described IO control device is used for frequency converter and relevant device are controlled; Described heat abstractor is used for box house is dispelled the heat, and accepts the control of IO control device; Described casing is used to hold equipment such as low-voltage bus bar, panel switches, frequency converter, IO control device and heat abstractor.
Outdoor box type frequency conversion control station of the present utility model adopts high pressure 6kV or 10kV power supply, has reduced the cost of service cable; Adopt low voltage motor and low voltage frequency converter to drive 400V or 690V, reduced the cost of cable, motor and frequency converter.The built-in remote I control system of this outdoor box type frequency conversion control station, near the input/output signal of equipment can handling, and carry out message transmission by netting twine and master-control room.This outdoor box type frequency conversion control station adopts the closed heat insulation casing, by the heat abstractor of automatic control, has guaranteed the stable operation of box equipment effectively.This outdoor box type frequency conversion control station has replaced the long distance electric chamber, has saved a large amount of civilwork engineering quantities, and installs very convenient.This outdoor box type frequency conversion control station can also be realized maintenance fast by the quick-replaceable method of whole spare part.The entire job line can be realized synchronous startup, has effectively reduced the start-up time of entire job line, and the speed of service can be adjusted as required, and given and control command is sent to frequency converter by remote I or netting twine.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the theory diagram of the outdoor box type frequency conversion control station of the utility model embodiment;
Fig. 2 is the structured flowchart of the outdoor box type frequency conversion control station of the utility model embodiment;
Fig. 3 is the schematic diagram of the outdoor box type frequency conversion control station of the utility model embodiment;
Fig. 4 is the chamber door schematic diagram of the outdoor box type frequency conversion control station casing of the utility model embodiment;
Fig. 5 by the casing of the outdoor box type frequency conversion control station of the utility model embodiment with held electrical equipment layout schematic diagram;
Fig. 6 is the workflow diagram of the outdoor box type frequency conversion control station of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the outdoor box type frequency conversion control station of the utility model embodiment comprises: two parts: the outer part of part and case in the case, the outer part of case is made up of the rectifier transformer 102 and the protective cover thereof that have on-load switch 101, on-load switch 101 is between high voltage input terminal and rectifier transformer 102, be used to import the high-tension electricity that the outside provides, and be switched on or switched off high voltage source; Rectifier transformer 102 is used for the high voltage source of input is carried out step-down, the output low-tension supply; Case comprises inner the branch: equipment such as low-voltage bus bar 108, panel switches 109, frequency converter 103, IO control device 104, heat abstractor 105, casing; Described frequency converter 103 is used for the low-tension supply of rectifier transformer 102 outputs is carried out frequency-conversion processing, and to outside alternating current machine output driving power; IO control device 104 is used for frequency converter 103 and relevant device are controlled; Described heat abstractor 105 is used for box house is dispelled the heat, and accepts the control of IO control device 104; Casing is used to hold equipment such as low-voltage bus bar 108, panel switches 109, frequency converter 103, IO control device 104 and heat abstractor 105.
In order to limit rush of current, can add corresponding reactor 107 according to the amount of capacity of frequency converter 103.IO control device 104 can be selected PLC industry control module.Heat abstractor 105 can be selected air-conditioning.
Embodiment 1
As shown in Figure 2, the outdoor box type frequency conversion control station of present embodiment comprises: 1 on-load switch 201,1 rectifier transformer 202, a low-voltage bus bar 210, many station power distributions switch (203a, 203b and 203c), many frequency converter (205a, 205b and 205c) and supporting reactor (204a, 204b and 204c), 1 as the Programmable Logic Controller 206 (PLC) of remote I control device and the man-machine interface 207 of local operation, 1 heat abstractor of controlling automatically 208, this outdoor box type frequency conversion control station can be to multiple motors (209a, 209b and 209c) carry out drive controlling.
As shown in Figure 3, the outdoor box type frequency conversion control station of present embodiment comprises part and the outer part of case in the case.Part has a casing 301 in the case, and casing 301 is airtight case structure, and casing 301 is used to hold heat exchanger in low-voltage bus bar, panel switches, reactor, frequency converter, PLC and the case.The outer part of case is made up of high voltage input terminal 307 and the rectifier transformer 302 and the protective cover 305 thereof that have on-load switch 303, and on-load switch 303 is switched on or switched off the high voltage source of high voltage input terminal 307.Protective cover 305 can be the irony protective cover, is used for the terminals of close and protect rectifier transformer.
Casing 301 has support 304 and radiator medium tube road junction 311, support 304 is used to carry the case external heat exchanger of heat abstractor, radiator medium tube road junction 311 is used to make the medium pipeline that has sealing ring to pass, heat exchanger in the one end link box of medium pipeline, the other end link box external heat exchanger of medium pipeline.
Casing 301 inside have one group of enclosed busbar 306 (can be three enclosed busbars), and enclosed busbar is connected with the low-pressure end of transformer.Rectifier transformer 302 is positioned over the next door of casing 301.
Casing 301 has the motor driven line and advances wire hole (308a, 308b, 308c), is used to make the motor driven line that has sealing ring to pass.
Casing 301 has that netting twine advances wire hole 309 and control signal wire advances wire hole 310, and netting twine advances wire hole 309 and is used to make the netting twine that has sealing ring to pass, and control signal wire advances wire hole 310 and is used to make the control signal wire that has sealing ring to pass.
As shown in Figure 4, the casing of present embodiment can have chamber door (401,402), is used to safeguard heat exchanger in low-voltage bus bar, panel switches, reactor, frequency converter, PLC and the case, is in air-tight state when normally moving.Chamber door (401,402) can be made single open-door, double door, folding door or its combination according to the size of casing.
The outdoor box type frequency conversion control station of present embodiment adopts high pressure 6kV-10kV power supply, has reduced the cost of service cable; Adopt low voltage motor and low voltage frequency converter to drive, reduced the cost of motor and frequency converter; Solved the deficiency that existing scheme exists effectively.
Embodiment 2
As shown in Figure 5, the outdoor box type frequency conversion control station of present embodiment comprises part and the outer part of case in the case, and the case outer part is drawn together: an on-load switch that is connected with high voltage input terminal; The rectifier transformer that is connected with on-load switch.Case comprises inner the branch: the low-voltage bus bar that is connected with the rectifier transformer output, four panel switches, heat abstractor and a Programmable Logic Controller (PLC).
Each panel switches respectively connects a frequency converter and supporting reactor; PLC is connected with 4 frequency converters respectively and is connected with far-end control system with external network respectively with signaling interface by self Ethernet interface.
Heat abstractor also can adopt hot machine circulating cooling system (as: air-conditioning), this air-conditioning has evaporator and condenser, evaporator (being heat exchanger in the case) is connected with the case external heat exchanger by medium pipeline, and evaporator dispels the heat to the air in the casing, condenser (being the case external heat exchanger).A preferred heat sink conception is, the medium pipeline of heat exchanger in the air-conditioning box is connected with the fin of frequency converter, directly frequency converter dispelled the heat.Heat exchanger is connected with PLC in the air-conditioning box, accepts the control of PLC.
Heat abstractor also can adopt hydrologic cycle cooling system, this hydrologic cycle cooling system has water tank and air cooler, the interior heat exchanger of case comprises water tank and is connected by the air cooler of medium pipeline with the case external heat exchanger that water tank dispels the heat to the air in the casing, and the case external heat exchanger comprises air cooler.A preferred heat sink conception is, medium pipeline is connected with the fin of frequency converter, directly frequency converter dispelled the heat.
Four motor are connected one to one with four frequency converters respectively.The interior heat exchanger of case of low-voltage bus bar, four panel switches, reactor, frequency converter, PLC and heat abstractors is installed in the casing.
Casing has support and radiator medium tube road junction, support is used to carry the case external heat exchanger of heat abstractor, radiator medium tube road junction is used to make the medium pipeline that has sealing ring to pass, heat exchanger in the end link box of medium pipeline, the other end link box external heat exchanger of medium pipeline.Have one group of enclosed busbar (can be three enclosed busbars) in the casing, enclosed busbar is connected with the low-pressure end of transformer.Transformer can be placed near cabinet.Casing has the motor driven line and advances wire hole, and the motor driven line that is used to have sealing ring passes.Casing has that netting twine advances wire hole and control signal wire advances wire hole, and netting twine advances wire hole, and the netting twine that is used to have sealing ring passes, and control signal wire advances the control signal wire that wire hole is used to have sealing ring and passes.Casing can have two chamber doors, unlatching when being used to safeguard heat exchanger in low-voltage bus bar, panel switches, reactor, frequency converter, PLC and the case or the airtight protection when normally moving.Chamber door can be made single open-door, double door, folding door or its combination according to the size of cabinet.
As shown in Figure 6, the workflow of outdoor box type frequency conversion control station comprises:
High-tension electricity to outdoor box type frequency conversion control station input 6kV to 10kV;
Make the on-load switch closure;
Rectifier transformer carries out step-down to the high-tension electricity of the 6kV to 10kV of input, the low-voltage of output 400V or 690V;
Make the panel switches closure;
The 400V of rectifier transformer output or the low-voltage of 690V are imposed on frequency converter and supporting reactor;
Frequency converter is accepted the control of PLC, and the variable frequency power supply of 400V or 690V is imposed on motor;
PLC is controlled by far-end control system or is controlled by local man-machine interface;
Adopt radiator that frequency converter is dispelled the heat.
Outdoor box type frequency conversion control station of the present utility model adopts high pressure 6kV or 10kV power supply, has reduced the cost of service cable; Adopt low voltage motor and low voltage frequency converter to drive 400V or 690V, reduced the cost of motor and frequency converter.The built-in remote I control system of this outdoor box type frequency conversion control station, near the input/output signal of equipment can handling, and carry out message transmission by netting twine and master-control room.This outdoor box type frequency conversion control station adopts the closed heat insulation casing, by the heat abstractor of automatic control, has guaranteed the stable operation of box equipment effectively.This outdoor box type frequency conversion control station has replaced the long distance electric chamber, has saved a large amount of civilwork engineering quantities, and installs very convenient.This outdoor box type frequency conversion control station can also be realized maintenance fast by the quick-replaceable method of whole spare part.The entire job line can be realized synchronous startup, has effectively reduced the start-up time of entire job line, and the speed of service can be adjusted as required, and given and control command is sent to frequency converter by remote I or netting twine.
Used specific embodiment in the utility model principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. outdoor box type frequency conversion control station, it is characterized in that, described outdoor box type frequency conversion control station comprises two parts: the outer part of part and case in the case, the outer part of case is made up of rectifier transformer that has the on-load switch case and protective cover thereof, on-load switch is between high voltage input terminal and rectifier transformer, be used to import the high-tension electricity that the outside provides, and be switched on or switched off high voltage source;
Rectifier transformer is used for the high voltage source of input is carried out step-down, the output low-tension supply;
Case comprises inner the branch: low-voltage bus bar, panel switches, frequency converter, IO control device, heat abstractor, case body equipment;
Described frequency converter is used for the low-tension supply of rectifier transformer output is carried out frequency-conversion processing, and to outside alternating current machine output driving power; Described IO control device is used for frequency converter and relevant device are controlled;
Described heat abstractor is used for box house is dispelled the heat, and accepts the control of IO control device;
Described casing is used to hold low-voltage bus bar, panel switches, frequency converter, IO control device and heat abstractor equipment.
2. outdoor box type frequency conversion control station according to claim 1 is characterized in that, described outdoor box type frequency conversion control station also comprises: reactor, be connected in the input of described frequency converter, and be used to limit rush of current.
3. outdoor box type frequency conversion control station according to claim 2 is characterized in that, described outdoor box type frequency conversion control station comprises: a plurality of frequency converters and corresponding a plurality of reactors.
4. outdoor box type frequency conversion control station according to claim 1 is characterized in that, described outdoor box type frequency conversion control station also comprises: man-computer interface device, be connected with described IO control device, and be used to carry out man-machine interaction.
5. outdoor box type frequency conversion control station according to claim 1 is characterized in that, described IO control device comprises: network communication interface is used for being connected with the outer distal end control device.
6. outdoor box type frequency conversion control station according to claim 1 is characterized in that, described heat abstractor comprises heat exchanger in case external heat exchanger and the case, and described case external heat exchanger is used for carrying out heat exchange with the case external environment;
Heat exchanger in the described case is connected with described case external heat exchanger by pipeline, is used for air in the case is cooled off.
7. outdoor box type frequency conversion control station according to claim 6 is characterized in that, heat exchanger in the described case is connected with described case external heat exchanger and frequency converter respectively by pipeline, and frequency converter is directly cooled off.
8. outdoor box type frequency conversion control station according to claim 1 is characterized in that, described casing comprises:
Chamber door, the unlatching when being used to safeguard or the airtight protection when normally moving.
9. outdoor box type frequency conversion control station according to claim 8 is characterized in that, described casing is the closed heat insulation casing, and described closed heat insulation casing has motor wiring port, signal port and communication port.
10. outdoor box type frequency conversion control station according to claim 1 is characterized in that, described high voltage source is meant: the high voltage source of 6kV to 10kV; Described alternating current motor driving power is meant: the power supply that 1kV is following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201167377U CN201733265U (en) | 2010-02-11 | 2010-02-11 | Outdoor box type variable-frequency control station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201167377U CN201733265U (en) | 2010-02-11 | 2010-02-11 | Outdoor box type variable-frequency control station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201733265U true CN201733265U (en) | 2011-02-02 |
Family
ID=43524421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201167377U Expired - Lifetime CN201733265U (en) | 2010-02-11 | 2010-02-11 | Outdoor box type variable-frequency control station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201733265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764570A (en) * | 2010-02-11 | 2010-06-30 | 中冶京诚工程技术有限公司 | Outdoor box type frequency conversion control station |
| CN103427729A (en) * | 2012-05-17 | 2013-12-04 | 中国石油化工股份有限公司 | Rod pumped well group control system based on direct current bus |
-
2010
- 2010-02-11 CN CN2010201167377U patent/CN201733265U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764570A (en) * | 2010-02-11 | 2010-06-30 | 中冶京诚工程技术有限公司 | Outdoor box type frequency conversion control station |
| CN101764570B (en) * | 2010-02-11 | 2012-09-05 | 中冶京诚工程技术有限公司 | Outdoor box type frequency conversion control station |
| CN103427729A (en) * | 2012-05-17 | 2013-12-04 | 中国石油化工股份有限公司 | Rod pumped well group control system based on direct current bus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101764570B (en) | Outdoor box type frequency conversion control station | |
| CN105262433A (en) | Energy gateway, household electrical appliance, DC micro power grid system and energy management method thereof | |
| Duan et al. | Study on the voltage level sequence of future urban DC distribution network in China: A Review | |
| CN107248700A (en) | Box-type substation and micro-grid system | |
| CN102307000A (en) | Mining high-voltage frequency converter with explosion-proof type | |
| CN201733265U (en) | Outdoor box type variable-frequency control station | |
| CN204885964U (en) | Photovoltaic case becomes with contravariant function of stepping up | |
| CN107154630B (en) | Hybrid power electronic transformer substation | |
| CN213212719U (en) | Novel 690V variable frequency motor power supply system | |
| CN203896199U (en) | Large-power high-efficiency energy-saving soft-melting power supply based on series-parallel type high-voltage frequency conversion technology | |
| CN211046216U (en) | Electric drive power integrated system of drilling system | |
| CN110518479B (en) | 66kV voltage level wind power generation Fahrenheit boost transformer substation | |
| CN105591579A (en) | Water pump power generation system in pumping station and control method | |
| CN112134286A (en) | Alternating current-direct current hybrid micro-grid | |
| CN110224432A (en) | A kind of box-type substation and its microgrid system control method | |
| CN104993408A (en) | Offshore booster station | |
| CN114243528A (en) | Energy storage contravariant all-in-one that steps up | |
| CN109428329A (en) | A kind of underwater power system | |
| CN204089718U (en) | A kind of novel highly compact type photovoltaic booster stations | |
| CN206992498U (en) | Box-type substation and micro-grid system | |
| CN205490161U (en) | 6kV tandem type explosive -proof and intrinsic safety high -voltage inverter | |
| CN214154992U (en) | Wet-type static cluster submarine cable power supply device for offshore oil platform | |
| CN210007409U (en) | box-type substation and microgrid connection structure | |
| CN204886779U (en) | Draught fan converter auto bypass power supply system | |
| CN219779985U (en) | Slurry shield machine power distribution system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110202 Effective date of abandoning: 20120905 |