CN202153712U - Locomotive air-conditioning power supply apparatus - Google Patents
Locomotive air-conditioning power supply apparatus Download PDFInfo
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- CN202153712U CN202153712U CN2011202361415U CN201120236141U CN202153712U CN 202153712 U CN202153712 U CN 202153712U CN 2011202361415 U CN2011202361415 U CN 2011202361415U CN 201120236141 U CN201120236141 U CN 201120236141U CN 202153712 U CN202153712 U CN 202153712U
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- frequency
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Abstract
Provided is a locomotive air-conditioning power supply apparatus, which can meet the systemic requirements for different input voltages (AC220V, DC70-110V) and different output voltages (three-phase AC55-380V, 5-110HZ), compatible to and covering the standard and function of the air-conditioning power supply in China railway operation. The locomotive air-conditioning power supply apparatus comprises an input circuit, a rectification circuit, an inversion circuit, a selection circuit, an isolation boost, an output connection, a frequency conversion circuit, a microcomputer control, a protection circuit, and the like. The locomotive air-conditioning power supply apparatus adopts DSP TMS320 as the master control chip, with the double-loop control signal manager thereof integrating the inversion and the frequency conversion into one ship, thereby simplifying and improving the reliability of the control system. The locomotive air-conditioning power supply apparatus allows the air-conditioning power supply to be compatible to different input voltages and achieve wide voltage output by utilizing the turn ration change of the original and secondary coils and the change of the inversion pipe opening time. The system protection, via the different setting of the software, is finished by one set of detecting apparatus to complete the detection and protection under different conditions, thereby simplifying the power supply, reducing the size, and facilitating the maintenance.
Description
Technical field
The utility model relates to the locomotive convertible frequency air-conditioner power supply of the wide input of a kind of alternating current-direct current, secondary (multistage) output.
Background technology
1, railway locomotive conditioner (hereinafter to be referred as " locomotive air conditioner ") is is extensively installed and used.Because traction locomotive power is divided into internal combustion, electric power two major types, therefore provide the power parameter of power also inequality for locomotive air conditioner.Internal combustion shaped is a direct current 110V power supply, and the electric power type is a single phase alternating current (A.C.) 220V power supply.
2, locomotive air conditioner is made up of locomotive air conditioner unit and locomotive air conditioner power supply.The function of locomotive air conditioner power supply is to be to meet the required power supply of locomotive air conditioner unit operation (containing control system) with the power source conversion that locomotive provides.The air-conditioning unit is a heat quantity transfer device.Cold-producing medium absorbs and release heat through compressor, heat exchanger.
3, because manufacturer selects the compressor specification different, also different to the requirement of required power parameter, there is three-phase 380V surely frequently and three-phase 200V frequency conversion or the like.
4, because of the locomotive classification is different, the output parameter of air-conditioning power supply is different, causes the locomotive air conditioner power type various, brings great difficulty for utilization and maintenance in the future.It is the basic reason that causes using cost high that the air-conditioning power supply does not possess versatility (to call " compatibility " in the following text).
The utility model content
The complete compatible locomotive air conditioner power supply of the utility model----is not possess compatible problem to the locomotive air conditioner power supply, with on-the-spot on probation, has released the RS-IVT air-conditioning power supply that possesses alternating current-direct current input and multistage output through developmental research.This power supply input can be single phase alternating current (A.C.) 220V (or 396V, below omission), also can be direct current 110V; Output is multistage optional, and voltage range is: three-phase AC55～380V (adjustable), frequency range: 5～110H
ZRS-IVT type power supply is compatible internal combustion and two kinds of dissimilar locomotive power supply power supplys of electric power in input; Output has also satisfied the compressor and the blower fan of various different models, promptly compatible all types of locomotives and all types of air-conditioning units contained.The RS-IVT novel power supply is formed (be output as example with secondary---referring to accompanying drawing) by following circuit unit: input rectification circuit DZ, dc inversion circuit I PM
1, high frequency output select circuit DK (IPM
1DK can save when adopting the wide output in three-phase Unit 6), high frequency transformer booster circuit GB, double loop high-frequency rectification circuit GDZ
1And GDZ
2, two times connecting circuit LJ, frequency conversion output circuit IPM
2, and control, detect protective circuit etc.
Input rectification circuit DZ is with AC220V or the DC110V voltage introduced, after DZ rectification and LC filtering with inverter circuit IPM
1Link to each other; The output of inverter circuit links to each other with the input of selecting circuit DK, and the DK output links to each other with high frequency transformer GB input.GB primary coil XB
1Be the winding of band tap in the middle of the n circle, tap is drawn and can be confirmed according to actual needs.Secondary coil is two or more independently winding XB
2, XB
3, respectively be the L circle, be connected to high-frequency rectification circuit GDZ respectively
1, GDZ
2The two-way DC power supply links to each other with the input of connecting circuit LJ behind filtering high-frequency rectifier, and the LJ output voltage is connected to frequency changer circuit IPM
2, after frequency conversion filtering, obtain required three phase mains U, V, the W of air-conditioning unit.The control detection of system and defencive function are accomplished through DSP microcomputer chip and various sensing device and driving control system.
The disclosed locomotive air conditioner supply unit of the utility model is boosted by input circuit, rectification circuit, inverter circuit, the transformation ratio selection of boosting circuit, high-frequency isolation transformer; The different turn ratio coil output of transformer high-frequency rectification circuit, dual output connecting circuit, frequency conversion output circuit and system controlled by computer protective circuit are formed; Input circuit is provided with voltage detector and is connected with microcomputer; Rectification circuit is provided with voltage sensor, inverter circuit is provided with selection circuit, the wide voltage follower circuit of three-phase bridge type inverse pipe of isolating the former limit of high frequency transformer; Secondary output high-frequency rectification two times connecting circuits, inversion, frequency conversion, modulation control circuits all are connected with system controlled by computer, protection system, and Control System of Microcomputer also is connected with locomotive storage batteries power supply DC110V.
Preferably; Above-mentioned locomotive air conditioner supply unit also includes locomotive alternating current-direct current input secondary or multistage output air-conditioning supply unit; Comprise input rectification circuit, dc inversion circuit, high frequency output select circuit, high frequency transformer booster circuit, wherein, the high frequency output select circuit is band contact conversion equipment; Its input and dc inversion circuit output end join; The former limit of high frequency output select circuit output and high frequency transformer joins, and the former limit of high frequency transformer is three terminations or bull winding, and wherein three terminations are 0
#, 1
#, 2
#, 0
#～2
#Between be the n circle, 0
#～1 is m circle winding, high frequency output select circuit input L under the default situations
0With output 0
#Directly connect input L
1Then through contact and 2
#The termination is connected, when microcomputer chip provides selection instruction, and L
0With 0
#Connect constant, L
1Then connect 1
#, wherein n, m are respectively the number of turn of winding, and n, m are the integer greater than zero.
Preferably, above-mentioned high frequency transformer is isolated, and iron core is selected non-crystalline material for use, and secondary is two or more independent winding.
Preferably, above-mentioned high-frequency rectification has two independent current source GDZ
1And GDZ
2, behind filtering high-frequency rectifier, be connected to connecting circuit input C, D, E, F, connecting circuit is by contact K
1, K
2Form, the control system of connecting circuit links to each other with DSP.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the control circuit figure of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
The input voltage of the utility model power supply is that ((the permission excursion is DC77V～DC200V) to AC220V to allow excursion: AC110～273V) or DC110V.The control supply voltage is DC110V (change range of input voltage: DC77～DC137.5V).After the input power supply inserted, input voltage checkout gear TV inputed to dsp chip with detection signal, after the kind and amplitude of judgement input power supply, carried out corresponding program.The input power supply is connected to inverter circuit IPM through LC filtering after rectifier module D Z full-wave rectification
1Module input P
1, N
1R in the loop
1Be current-limiting resistance, when powering on to reduce input voltage to C
1Charging current value.Contact K timing closing short circuit resistance R
1, make the input voltage after the rectification fully be added in P
1, N
1Two ends.Control chip DSP sends command adapted thereto to selecting circuit DK and connecting circuit LJ after judging input voltage kind and amplitude and power supply output type, through the different switchings that connect method with LJ of DK, just can satisfy the needs of different operating modes.
Selecting circuit is that high-frequency ac voltage after the inversion is connected to the corresponding primary coil XB of high frequency transformer through contact
1To the characteristics of this power supply, main circuit adopts the high-frequency isolation type transformer to boost, and transformer core is a non-crystalline material.Elementary band tapped coil satisfies wide input voltage and designs, and when input voltage was AC220V, the output terminals A of high-frequency inversion module, B received XB through selecting circuit DK
12
#, 0
#End; When input voltage was DC110V, then A, B were connected to XB
11
#, 0
#End; Work as IPM
1Be Unit six whens output, then replace the DK function by control to each unit service time.More than control is accomplished by DSP.In a word,, select corresponding turn ratio coil or each phase make-and-break time automatically, thereby realize the compatibility of different input voltages according to the testing result of input supply voltage.
GB level is two or many winding coils XB
2And XB
3Two windings are independently exported through GDZ
1, GDZ
2After high-frequency rectification and the LC filtering, be connected to the input (C, D, E, F) of connecting circuit LJ.The LJ circuit has two or more connection status, and a kind of state is that C, D and E, F two inputs are through contact K
1Be connected in series, another kind of state is through contact K
2Be connected in parallel.As need low pressure output, also can be with IPM
1Output is without the straight-through GDZ of DK.More than control is accepted to accomplish behind the setting command by DSP.In a word, the difference through connecting circuit connects method, realizes the compatibility of different output voltages.
The connecting circuit output as the frequency changer circuit main power source, is connected to frequency-variable module IPM after the RC network filtering that R4, C4, R5, C5 form
2P
2, N
2End.Frequency changer circuit module I PM
2Be six unit SPMs, form three phase inverter bridge, the mid point lead-out wire of three brachium pontis is respectively three-phase alternating voltage output (U, V, W).The six unit controls utmost points are connected to frequency conversion drive circuit and dsp chip.Its corresponding control programs is carried out in the parameter that DSP arrives according to each sensor acquisition and the instruction of load set.Sealed in Three-phase electric-wave filter LPM at frequency changer circuit three-phase output end U, V, W,, improved electric machine operating characteristic to weaken high order filtering composition in the electric current.Below be general introduction to DSP control:
1. voltage sensor senses input voltage signal kind and amplitude are selected corresponding executive program.DK sends instruction to the selection circuit, and accomplishes corresponding option program.
2. rectification circuit DZ output detects normally and after setting load command, sends ready signal and accomplish corresponding conversion program to connecting circuit LJ.
3. after foregoing circuit was ready to complete, DSP was to IPM
1Send work order, its control utmost point is controlled by the DSP first SIGNALS MANAGEMENT device passage through inverse changing driving circuit.IMP
1Form by Unit 4 (or Unit 6) SPM.The brachium pontis mid point is 20KH
ZHigh-frequency ac output.
4. according to LJ output G, H last voltage sensor UV feedback signal and setting load signal, to inverter circuit IMP
1Carry out closed loop PWM pulse-width modulation, to realize inversion control.
5. after connecting signal and G, H frequency conversion voltage signal etc. collections and accomplishing, DSP presses corresponding program, by secondary signal manager passage to frequency changer circuit IPM
2Six unit controls utmost points output pwm control signal.Hold different input voltages according to G, H, accomplish the modulated sinusoid output of different voltages, different frequency.
6. native system is equipped with detecting sensor to input voltage, commutating voltage, frequency conversion voltage, frequency conversion electric current, three-phase output current etc., in case surpass the upper and lower limit set point that allows, DSP promptly sends instruction out of service and shows the corresponding failure signal.In native system, all protection parameter rated values are set, and all carry out in accordance with TB/T 3141-2006, and DSP controls according to the operating condition of setting.
The embodiment of the above is the preferred embodiments of the utility model; It is not the practical implementation scope that limits the utility model with this; The scope of the utility model comprises and is not limited to this embodiment that all shapes according to the utility model, the equivalence that structure is done change all in the protection range of the utility model.
Claims (4)
1. locomotive air conditioner supply unit; Boost by input circuit, rectification circuit, inverter circuit, the transformation ratio selection of boosting circuit, high-frequency isolation transformer; The different turn ratio coil output of transformer high-frequency rectification circuit, dual output connecting circuit, frequency conversion output circuit and system controlled by computer protective circuit are formed; It is characterized in that: input circuit is provided with voltage detector and is connected with microcomputer; Rectification circuit is provided with voltage sensor, inverter circuit is provided with selection circuit, the wide voltage follower circuit of three-phase bridge type inverse pipe of isolating the former limit of high frequency transformer; Secondary output high-frequency rectification two times connecting circuits, inversion, frequency conversion, modulation control circuits all are connected with system controlled by computer, protection system, and Control System of Microcomputer also is connected with locomotive storage batteries power supply DC110V.
2. locomotive air conditioner supply unit according to claim 1; It is characterized in that, also include locomotive alternating current-direct current input secondary or multistage output air-conditioning supply unit, comprise input rectification circuit, dc inversion circuit, high frequency output select circuit, high frequency transformer booster circuit; Wherein, The high frequency output select circuit is band contact conversion equipment, and its input and dc inversion circuit output end join, and the former limit of high frequency output select circuit output and high frequency transformer joins; The former limit of high frequency transformer is three terminations or bull winding, and wherein three terminations are 0
#, 1
#, 2
#, 0
#～2
#Between be the n circle, 0
#～1 is m circle winding, high frequency output select circuit input L under the default situations
0With output 0
#Directly connect input L
1Then through contact and 2
#The termination is connected, when microcomputer chip provides selection instruction, and L
0With 0
#Connect constant, L
1Then connect 1
#, wherein n, m are respectively the number of turn of winding, and n, m are the integer greater than zero.
3. locomotive air conditioner supply unit according to claim 2 is characterized in that, said high frequency transformer is isolated, and iron core is selected non-crystalline material for use, and secondary is two or more independent winding.
4. locomotive air conditioner supply unit according to claim 2 is characterized in that, high-frequency rectification has two independent current source GDZ
1And GDZ
2, behind filtering high-frequency rectifier, be connected to connecting circuit input C, D, E, F, connecting circuit is by contact K
1, K
2Form, the control system of connecting circuit links to each other with DSP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202361415U CN202153712U (en) | 2011-07-06 | 2011-07-06 | Locomotive air-conditioning power supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202361415U CN202153712U (en) | 2011-07-06 | 2011-07-06 | Locomotive air-conditioning power supply apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202153712U true CN202153712U (en) | 2012-02-29 |
Family
ID=45694205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202361415U Expired - Lifetime CN202153712U (en) | 2011-07-06 | 2011-07-06 | Locomotive air-conditioning power supply apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202153712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661456A (en) * | 2012-09-11 | 2014-03-26 | 山东朗进科技股份有限公司 | Novel direct-current power supply passenger train variable frequency air conditioner |
| CN103684000A (en) * | 2012-09-11 | 2014-03-26 | 山东朗进科技股份有限公司 | Power supply technology for passenger train air conditioning unit, and power supply device for passenger train air conditioning unit |
-
2011
- 2011-07-06 CN CN2011202361415U patent/CN202153712U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661456A (en) * | 2012-09-11 | 2014-03-26 | 山东朗进科技股份有限公司 | Novel direct-current power supply passenger train variable frequency air conditioner |
| CN103684000A (en) * | 2012-09-11 | 2014-03-26 | 山东朗进科技股份有限公司 | Power supply technology for passenger train air conditioning unit, and power supply device for passenger train air conditioning unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120229 |
|
| CX01 | Expiry of patent term |