CN2755861Y - Fan control cabinet unit apparatus of speed-adjusting reversing dual system with variable frequency in subway - Google Patents
Fan control cabinet unit apparatus of speed-adjusting reversing dual system with variable frequency in subway Download PDFInfo
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- CN2755861Y CN2755861Y CNU2004200568736U CN200420056873U CN2755861Y CN 2755861 Y CN2755861 Y CN 2755861Y CN U2004200568736 U CNU2004200568736 U CN U2004200568736U CN 200420056873 U CN200420056873 U CN 200420056873U CN 2755861 Y CN2755861 Y CN 2755861Y
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- blower fan
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- dual system
- control cabinet
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Abstract
The utility model relates to a frequency variable speed-adjusting complete device with a reversible double system in a control cabinet of a subway blower fan. The structure is characterized in that a motor is fixedly arranged in a center hole of a main body of a blower fan, and an output shaft of the motor is fixedly provided with an impeller; the outer side of the impeller is provided with a cowling to form a subway axial flow fan, and a multifunction frequency variable control cabinet is composed of a frequency converter, a soft starter, a single machine PLC, an I/O linkage interface, and a three-phase switch; the blower fan can be controlled by a plurality of cable wires to realize operations of frequency conversion, speed adjustment, and conversion for operating conditions, therefore blower fans with various operating conditions are combined to form one blower fan to realize the function of carrying out operations by replacing multiple blower fans with one blower fan. Because the blower fan can carry out operations at high efficiency points of operating conditions, power can be saved, and the operating cost of the blower fan is reduced; additionally, the functions of soft start, smooth operation, and shutdown of the blower fan can be realized, and under the combined control of the frequency converter and the soft starter, the utility model can realize the functions of normal operation of a forward and reverse reversible double system, switchover for ventilation modes of fires and emergency operating conditions, etc.
Description
Technical field
The utility model belongs to the subway propeller fan and is controlled to complete equipment, particularly relates to a kind of frequency control and can reverse dual system underground fan control cubicle complete set of equipments.
Background technology
At present, in the known at home Environmental Control System of Metro, generally all subway propeller fan (abbreviation underground fan) is divided into: running tunnel blower fan, station air-conditioning draught fan and anti-smoke exhaust fan etc. are multiple, and the design condition of general underground fan have only one.The control cubicle of known underground fan generally only disposes the electric component that realize to start, stops with some simple controlled function in addition; Do not have frequency converter, soft initiator, unit PLC and corresponding senior electric controling element,, can not realize forward and reverse reversible operation, combine with the variable parameter operation of propeller fan so known underground fan can not be realized frequency control.Therefore, at the propeller fan of subway, highway and occasions such as railway tunnel and building, under different ventilation operating modes, because of the design condition of general axis flow fan have only one, purposes is single, and is unidirectional blower fan mostly, needs to install different axial flow blowers and control cubicle for this reason.As previously mentioned, need to install respectively: running tunnel axial flow blower and control cubicle thereof; Station air-conditioning draught fan and control cubicle thereof; Anti-smoke exhaust fan and control cubicle thereof.The axial flow blower of configuration and the quantity of control cubicle are many, and the civil engineering floor space is big, has wasted many subway civil engineering costs.Simultaneously, known subway propeller fan, few because of the function of control cubicle, do not have multi-functional control and corresponding senior electric controling element, with low content of technology, advanced poor, can not realize the air vent mode handoff functionality and the power frequency handoff functionality of fire or emergency work condition; Do not detect the bearing temperature of motor, and to soft start requirement of axial flow blower etc.
Summary of the invention
The utility model provides a kind of frequency control can reverse dual system underground fan control cubicle complete set of equipments for solving the technical problem that exists in the known technology.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
A kind of frequency control can reverse dual system underground fan control cubicle complete set of equipments, is made up of variable frequency control cabinet, cable, motor, blower fan main body, impeller and radome fairing; Motor is packed in the centre bore of blower fan main body, install an impeller on the shaft of motor, the outside of impeller is equipped with a radome fairing, form underground fan, it is characterized in that: be connected on the terminal box of taking into account the dual system motor that interval ventilation operating mode and two operating points of air conditioner ventilation operating mode unite two into one by several output cables by variable frequency control cabinet output.
The utility model can also adopt following technical measures:
Described variable frequency control cabinet is made up of input, the chain interface of output and several threephase switches K of several frequency converters, soft initiator, unit PLC, unit PLC; The input of frequency converter is connected on the three-phase alternating-current supply of 380V, 50Hz by lead, three-phase power switch Q11 and fusible link; The output of frequency converter is connected on the dual system motor by threephase switch K12 and several output cable; The input of soft initiator is connected on the three-phase alternating-current supply of 380V, 50Hz by lead, three-phase power switch Q21 and fusible link; The output of soft initiator is parallel to the three-phase output line on the dual system motor by a threephase switch K21 and phase-change switch K22 in parallel again; The single-phase output line of frequency converter one mutually by lead directly to the electrical equipment of station level system, another is wired on the unit PLC mutually, the output of its unit is wired on the electrical equipment of station level system; Unit PLC also has the chain interface of I/O of input, output.
Advantage and the good effect that the utlity model has are:, control a frequency control and can reverse the dual system underground fan, and can realize the controlled function of the two cooperation by electric connection with multi-functional, a high performance variable frequency control cabinet.Dispose electric elements such as frequency converter, soft initiator (or star Y-triangle Δ is from lotus root reduced voltage starter) and unit PLC in the variable frequency control cabinet.Frequency control can reverse the dual system underground fan and have aerodynamics particular design, pneumatic design, and take into account the dual system motor that interval ventilation operating mode and two operating points of air conditioner ventilation operating mode unite two into one, get the efficient point of blower fan by the air conditioner ventilation duty parameter, take into account the performance parameter of interval ventilation operating mode simultaneously.By the frequency converter in the variable frequency control cabinet, axial flow blower is controlled, can realize the frequency control operation of axial flow blower, realize the variable parameter operation of blower fan, realize forward and reverse reversible operation of blower fan, thereby the blower fan of various working is combined into one, makes a typhoon machine can realize the function of many typhoons machine, promptly the station air conditioner ventilation is taken into account the function of running tunnel ventilation blower.Blower fan can not all move under a rated speed when each different operating modes are moved like this, concerning Environmental Control System of Metro, can realize power-saving running, and save the operating cost of underground fan greatly; Reduce the quantity of configuration blower fan simultaneously, reduced the area that takies civil engineering, saved the civil engineering costs of subway.Soft initiator can be realized the soft start (make blower fan in 14 seconds, reach rated speed from startup) of blower fan or shut down function; When the associated working of frequency converter and soft initiator, forward and reverse controlled function that reverses dual system that can realize blower fan (from time that forward and backward is switched less than 60 seconds), can realize the handoff functionality of fire or emergency work condition air vent mode in addition; The measuring ability of motor bearings temperature; This blower fan can satisfy the anti-250 ℃ of high temperature of Environmental Control System of Metro, and continues 1 hour running requirements, and control cubicle also is furnished with electric component and the function with the communication of higher level's control system.
Description of drawings
Fig. 1 is the connection diagram of variable frequency control cabinet and motor;
Fig. 2 is the scheme of installation of motor in the subway propeller fan;
Fig. 3 is the schematic diagram that is electrically connected that the variable frequency control group becomes parts.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1, Fig. 2 and Fig. 3, motor 3 is packed in by welding in the centre bore of blower fan main body 4, installs an impeller 5 by flat key on the shaft of motor 3, and the outside of impeller 5 is equipped with a radome fairing 6, forms the subway propeller fan, as shown in Figure 2.Form multi-functional variable frequency control cabinet 1 by frequency converter, soft initiator, unit PLC and the chain interface of I/O thereof, threephase switch, be connected to by three output cables 2 on the terminal box of a dual system motor 3 of taking into account interval ventilation operating mode and two operating points of air conditioner ventilation operating mode, as shown in Figure 1.By the Frequency Converter Control motor 3 in the variable frequency control cabinet 1, can realize the frequency control operation of axial flow blower; Realize the variable parameter operation of blower fan, thereby the blower fan of various working be combined into one that make a typhoon machine can realize the function of many typhoons machine, blower fan moves, and can realize power-saving running, and can reduce the operating cost of underground fan greatly on the efficient point of ventilation operating mode; Reduce the quantity of configuration blower fan simultaneously, reduced the area that takies civil engineering, saved the civil engineering costs of subway.Can realize the level and smooth soft start operation of underground fan and shut down function by soft initiator.Under the jointly controlling of frequency converter and soft initiator, can realize that forward and reverse dual system that reverses of blower fan is moved, can realize the handoff functionality of fire or emergency work condition air vent mode in addition, the measuring ability of motor bearings temperature; This blower fan can satisfy the anti-250 ℃ of high temperature of Environmental Control System of Metro, and continues 1 hour service requirement.Also be furnished with electric component and function in this control cubicle 1 with the communication of higher level's control system.
Being electrically connected of the inner building block of variable frequency control cabinet, as shown in Figure 3.Variable frequency control cabinet 1 is made up of 1-4 platform frequency converter 101, soft initiator 102, unit PLC103 and the chain interface of I/O thereof and several threephase switches K; The input of frequency converter 101 is connected on the three-phase alternating-current supply of 380V, 50Hz by lead, three-phase power switch Q11 and fusible link; The output of frequency converter 101 is connected on the motor 3 of dual system by threephase switch K12 and several output cable 2; The input of soft initiator 102 is connected on the three-phase alternating-current supply of 380V, 50Hz by lead, three-phase power switch Q21 and fusible link; The output of soft initiator 102 is parallel to the three-phase output line on the motor 3 by a threephase switch K21 and phase-change switch K22 in parallel again, but the reverse speed operation of may command motor 3; The single-phase output line of frequency converter 101 one mutually by lead directly to the electrical equipment of station level system, another is wired on the unit PLC103 mutually, the output of its unit is wired on the electrical equipment of station level system; Unit PLC103 also has the chain interface of I/O of input, output.
Soft initiator can also be that " star Y-triangle Δ " is from the lotus root reduced voltage starter.
Claims (3)
1. a frequency control can reverse dual system underground fan control cubicle complete set of equipments, is made up of variable frequency control cabinet (1), cable (2), motor (3), blower fan main body (4), impeller (5) and radome fairing (6); Motor (3) is packed in the centre bore of blower fan main body (4), install an impeller (5) on the shaft of motor (3), the outside of impeller (5) is equipped with a radome fairing (6), form underground fan, it is characterized in that: be connected on the terminal box of taking into account the dual system motor (3) that interval ventilation operating mode and two operating points of air conditioner ventilation operating mode unite two into one by several output cables (2) by variable frequency control cabinet (1) output.
2. frequency control according to claim 1 can reverse dual system underground fan control cubicle complete set of equipments, it is characterized in that: described variable frequency control cabinet (1) is made up of input, the chain interface of output and several threephase switches K of several frequency converters (101), soft initiator (102), unit PLC (103), unit PLC; The input of frequency converter (101) is connected on the three-phase alternating-current supply of 380V, 50Hz by lead, three-phase power switch Q11 and fusible link; The output of frequency converter (101) is connected on the dual system motor (3) by threephase switch K12 and several output cable (2); The input of soft initiator (102) is connected on the three-phase alternating-current supply of 380V, 50Hz by lead, three-phase power switch Q21 and fusible link; The output of soft initiator (102) is parallel to the three-phase output line on the dual system motor (3) by a threephase switch K21 and phase-change switch K22 in parallel again; The single-phase output line of frequency converter (101) one mutually by lead directly to the electrical equipment of station level system, another is wired on the unit PLC (103) mutually, the output of its unit is wired on the electrical equipment of station level system; Unit PLC (103) also has the chain interface of I/O of input, output.
3. frequency control according to claim 1 and 2 can reverse dual system underground fan control cubicle complete set of equipments, it is characterized in that: soft initiator (102) can also be that " star Y-triangle Δ " is from the lotus root reduced voltage starter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200568736U CN2755861Y (en) | 2004-12-21 | 2004-12-21 | Fan control cabinet unit apparatus of speed-adjusting reversing dual system with variable frequency in subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200568736U CN2755861Y (en) | 2004-12-21 | 2004-12-21 | Fan control cabinet unit apparatus of speed-adjusting reversing dual system with variable frequency in subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755861Y true CN2755861Y (en) | 2006-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200568736U Expired - Fee Related CN2755861Y (en) | 2004-12-21 | 2004-12-21 | Fan control cabinet unit apparatus of speed-adjusting reversing dual system with variable frequency in subway |
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| CN (1) | CN2755861Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101003B (en) * | 2007-07-29 | 2010-04-14 | 太原理工大学 | Mine single lane tunneling aeration machine integrated control system |
| CN102536861A (en) * | 2012-01-17 | 2012-07-04 | 佛山市南海佳科风机制造有限公司 | Frequency conversion axial flow fan for train |
| CN103474886A (en) * | 2013-09-17 | 2013-12-25 | 浙江金盾风机股份有限公司 | Draught fan soft start power compensation system for subway tunnel |
| CN110529418A (en) * | 2019-08-29 | 2019-12-03 | 浙江万可电气设备有限公司 | Underground fan control cabinet and control system |
-
2004
- 2004-12-21 CN CNU2004200568736U patent/CN2755861Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101003B (en) * | 2007-07-29 | 2010-04-14 | 太原理工大学 | Mine single lane tunneling aeration machine integrated control system |
| CN102536861A (en) * | 2012-01-17 | 2012-07-04 | 佛山市南海佳科风机制造有限公司 | Frequency conversion axial flow fan for train |
| CN103474886A (en) * | 2013-09-17 | 2013-12-25 | 浙江金盾风机股份有限公司 | Draught fan soft start power compensation system for subway tunnel |
| CN103474886B (en) * | 2013-09-17 | 2016-07-06 | 浙江金盾风机股份有限公司 | A kind of draught fan soft start power compensation system for subway tunnel |
| CN110529418A (en) * | 2019-08-29 | 2019-12-03 | 浙江万可电气设备有限公司 | Underground fan control cabinet and control system |
| CN110529418B (en) * | 2019-08-29 | 2020-07-10 | 浙江万可电气设备有限公司 | Subway fan control cabinet and control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |