CN104728092A - Main compressor circuit and control method thereof - Google Patents
Main compressor circuit and control method thereof Download PDFInfo
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- CN104728092A CN104728092A CN201510049708.0A CN201510049708A CN104728092A CN 104728092 A CN104728092 A CN 104728092A CN 201510049708 A CN201510049708 A CN 201510049708A CN 104728092 A CN104728092 A CN 104728092A
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Abstract
The invention discloses a main compressor circuit and a control method thereof. An energy storage unit is connected with the direct-current output end of a rectifier in a compressor unit through a contactor, meanwhile the direct-current output end of the rectifier is connected with one end of an inverter in the compressor unit, and the energy storage unit is used for receiving and storing direct current output by the rectifier and providing direct current for the inverter. According to the scheme, the energy storage unit is arranged between the rectifier and the inverter to achieve that the energy storage unit stores electric energy when current flows through the rectifier and provides electric energy for the inverter when no current flows through the rectifier, and a compressor of a locomotive is always in an electrified startable mode instead of an outage state when a train waits at a skylight point, so that the safety of the train stopped on a ramp is ensured, train sliding is avoided, time for back-and-forth train adjustment at the skylight point is decreased, and route traffic volume is decreased.
Description
Technical field
The present invention relates to energy storage control field, particularly relate to a kind of main compressor circuit and controlling method thereof.
Background technique
Skylight point refers to that contact net has a power failure, suspend passing through of train within a period of time, overhauls the equipment such as circuit and contact net for relevant staff, to guarantee the safe and reliable of contact net.
At present, when waiting skylight point, for preventing train from slipping car in orbit, to need in advance locomotives all on circuit and tractor-trailer train are rested in station on flat line section.Along with the increase of transport volume, the train density on circuit is increasing.
Shunt train to level tangent track when waiting skylight point, and terminate train to sail out of in the process of flat segments at skylight point, train belongs to power-off vehicle stop state.This just makes, and after skylight point terminates, need to be started by all train power supplies resting in flat segments successively to sail out of skylight point, this just makes the time of shunting greatly increase, and causes the freight volume of circuit to increase.
Summary of the invention
In view of this, the invention provides a kind of main compressor circuit and controlling method thereof, when waiting skylight point to solve in prior art, train power-off is rested in flat segments, after causing skylight point to terminate, increase the time of successively train being sailed out of skylight point, increase the problem of circuit freight volume, its concrete scheme is as follows:
A kind of main compressor circuit, comprising: compressor unit, contactor and energy-storage units, wherein:
Described energy-storage units accesses the DC output end of the rectifier in described compressor unit by described contactor, the DC output end of described rectifier is connected with one end of the inverter in described compressor unit, described energy-storage units be used for described rectifier have direct current (d.c.) by time receive described rectifier export direct current (d.c.), for real-time energy-storage units charges, rectifier do not have direct current (d.c.) by time provide direct current (d.c.) for described inverter, control main compressor and start.
Further, also comprise: DC-DC unit,
Described DC-DC unit is arranged between described contactor and energy-storage units, is connected respectively with described contactor and energy-storage units.
Further, described compressor unit comprises: rectifier, inverter, transformer circuit, main compressor, wherein:
The ac input end of described rectifier is connected with main transformer, and DC output end is connected with described inverter, and described inverter is connected with main compressor by transformer circuit.
Further, described inverter comprises: subordinate inverter and traction invertor,
When rectifier do not have direct current (d.c.) by time, energy-storage units provides direct current (d.c.) for described inverter, is specially:
When rectifier do not have direct current (d.c.) by time, energy-storage units provides direct current (d.c.) for described subordinate inverter.
A kind of main compressor circuit control method, is applied to main compressor circuit, comprises:
Whether the DC output end detecting rectifier has direct current (d.c.) to pass through;
If pass through without direct current (d.c.), then by energy-storage units for inverter provides direct current (d.c.), control main compressor start.
Further, also comprise:
When detect the DC output end of rectifier have direct current (d.c.) by time, receive described direct current (d.c.), for described energy-storage units charges.
Further, described by energy-storage units for inverter provides direct current (d.c.), be specially:
Receive the direct current (d.c.) that described energy-storage units sends;
Described direct current (d.c.) is converted to the voltage matched with described inverter, exports described inverter to.
Further, the described direct current (d.c.) of described reception, for real-time energy-storage units charges, is specially:
Receive the direct current (d.c.) that described rectifier exports;
Described direct current (d.c.) is converted to the voltage matched with described energy-storage units, is stored to described energy-storage units.
Further, before the described direct current (d.c.) of described reception, also comprise:
Judge that in described energy-storage units, whether voltage is lower than predetermined value;
If so, described direct current (d.c.) is then received.
Further, also comprise:
If voltage is not lower than predetermined value in energy-storage units, then do not receive described direct current (d.c.).
As can be seen from technique scheme, main compressor circuit disclosed in the present application and controlling method thereof, by the DC output end of energy-storage units by the rectifier in contactor access compressor unit, the DC output end of rectifier is connected with one end of the inverter in compressor unit simultaneously, energy-storage units stores, for inverter provides direct current for the direct current receiving rectifier output.This programme is by being arranged between rectifier and inverter by energy-storage units, achieve when rectifier has electric current to pass through, storage unit storage of electrical energy, when do not have electric current by time, storage unit provides electric energy for inverter, make train locomotive compressor when skylight point waits be in obtain electricity condition always, but not off-position, this guarantees train and be parked in Security on ramp, avoid slipping car, this reduces shunting the time before and after the point of skylight, reduce the freight volume of circuit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of Fig. 1 a kind of main compressor circuit disclosed in the embodiment of the present invention;
The structural representation of Fig. 2 a kind of main compressor circuit disclosed in the embodiment of the present invention;
The flow chart of Fig. 3 a kind of main compressor circuit control method disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of main compressor circuit, its structural representation as shown in Figure 1, comprising:
Compressor unit 11, contactor 12 and energy-storage units 13, wherein:
Compressor unit 11 at least comprises rectifier 111, inverter 112 and main compressor.
Energy-storage units 13 accesses the DC output end of the rectifier 111 in compressor unit 11 by contactor 12, and the DC output end of rectifier 111 is connected with one end of inverter 112.
Energy-storage units 13 for have at rectifier 111 direct current (d.c.) by time receive rectifier 111 export direct current (d.c.), for energy-storage units charging, when after charging complete, contactor 12 disconnects, to make energy-storage units 13 and contactor 12 isolate with compressor unit 11, avoid because energy-storage units 13 or contactor 12 break down and affect the normal operation of compressor unit 11; Energy-storage units 13 rectifier 111 do not have direct current (d.c.) by time provide direct current (d.c.) for inverter 112, control main compressor and start.
Wherein, compressor unit 11 specifically comprises: rectifier 111, inverter 112, and transformer circuit 113 and main compressor 114, the structural representation of main compressor circuit as shown in Figure 2.
Wherein, inverter 112 can comprise: subordinate inverter and traction invertor.
When rectifier 111 do not have direct current (d.c.) by time, energy-storage units 113 provides direct current (d.c.) for subordinate inverter.
Main compressor circuit disclosed in the present embodiment, by the DC output end of energy-storage units by the rectifier in contactor access compressor unit, the DC output end of rectifier is connected with one end of the inverter in compressor unit simultaneously, energy-storage units stores, for inverter provides direct current for the direct current receiving rectifier output.This programme is by being arranged between rectifier and inverter by energy-storage units, achieve when rectifier has electric current to pass through, storage unit storage of electrical energy, when do not have electric current by time, storage unit provides electric energy for inverter, make train locomotive compressor when skylight point waits be in obtain electricity condition always, but not off-position, this guarantees train and be parked in Security on ramp, avoid slipping car, this reduces shunting the time before and after the point of skylight, reduce the freight volume of circuit.
Further, main compressor circuit disclosed in the present embodiment, can also comprise: DC-DC unit 14.
DC-DC unit 14 is arranged between contactor 12 and energy-storage units 13, is connected respectively with contactor 12 and energy-storage units 13.
Direct current (d.c.), for when energy-storage units 13 receives direct current (d.c.), is converted to the voltage matched with energy-storage units 13, is sent to energy-storage units 13, charge to energy-storage units 13 by DC-DC unit 14; When energy-storage units 13 sends direct current (d.c.) to inverter, DC-DC unit 14 converts the voltage matched with inverter to for the direct current (d.c.) sent by energy-storage units 13, be inverter power supply, controls main compressor and starts.
Present embodiment discloses a kind of main compressor circuit control method, be applied to main compressor circuit, its flow chart as shown in Figure 3, comprising:
Whether the DC output end of step S31, detection rectifier has direct current (d.c.) to pass through;
If step S32 nothing, then by energy-storage units for inverter provides direct current (d.c.), control main compressor start.
Wherein, by energy-storage units for inverter provides direct current (d.c.), be specially:
Receive the direct current (d.c.) that energy-storage units sends, direct current (d.c.) is converted to the voltage matched with inverter, exports inverter to, control main compressor and start.
Further, before energy-storage units provides electric current for main compressor, need first to judge whether to open energy-storage units power switch, if open, then by energy-storage units for main compressor provides electric current, and then control main compressor and start; If do not open energy-storage units power switch, then the current energy-storage units that do not need provides electric current for main compressor, is now likely in vehicle stop state, without the need to supply current.
Main compressor circuit control method disclosed in the present embodiment, during by not having electric current to pass through at rectifier, storage unit provides electric energy for inverter, make train locomotive compressor when skylight point waits be in obtain electricity condition always, but not off-position, this guarantees train and be parked in Security on ramp, avoid slipping car, this reduces shunting the time before and after the point of skylight, reduce the freight volume of circuit.
Further, main compressor circuit control method disclosed in the present embodiment, can also comprise:
Step S33, when detect the DC output end of rectifier have direct current (d.c.) by time, receive direct current (d.c.), be energy-storage units charging.
Wherein, receive direct current (d.c.), be energy-storage units charging, be specially:
Receive the direct current (d.c.) that rectifier exports, direct current (d.c.) is converted to the voltage matched with energy-storage units, is stored to energy-storage units.
After charging complete, disconnect the contactor between rectifier and energy-storage units, to make energy-storage units and compressor unit isolate, avoid energy-storage units break down and affect compressor unit.
In addition, before reception direct current (d.c.), can also comprise: judge that in energy-storage units, voltage, whether lower than predetermined value, if so, then receives direct current (d.c.), be energy-storage units charging, if voltage is not less than predetermined value in energy-storage units, then do not need to receive direct current (d.c.).
In energy-storage units, voltage is not less than predetermined value, illustrating that the electric energy stored in energy-storage units is enough, without the need to charging, if lower than predetermined value, illustrating that the electric energy stored in energy-storage units is less again, need to charge.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Professional workforce can also recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technological scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a main compressor circuit, is characterized in that, comprising: compressor unit, contactor and energy-storage units, wherein:
Described energy-storage units accesses the DC output end of the rectifier in described compressor unit by described contactor, the DC output end of described rectifier is connected with one end of the inverter in described compressor unit, described energy-storage units be used for described rectifier have direct current (d.c.) by time receive described rectifier export direct current (d.c.), for described energy-storage units charges, rectifier do not have direct current (d.c.) by time provide direct current (d.c.) for described inverter, control main compressor and start.
2. main compressor circuit according to claim 1, is characterized in that, also comprise: DC-DC unit,
Described DC-DC unit is arranged between described contactor and energy-storage units, is connected respectively with described contactor and energy-storage units.
3. main compressor circuit according to claim 1, is characterized in that, described compressor unit comprises: rectifier, inverter, transformer circuit, main compressor, wherein:
The ac input end of described rectifier is connected with main transformer, and DC output end is connected with described inverter, and described inverter is connected with main compressor by transformer circuit.
4. main compressor circuit according to claim 3, is characterized in that, described inverter comprises: subordinate inverter and traction invertor,
When rectifier do not have direct current (d.c.) by time, energy-storage units provides direct current (d.c.) for described inverter, is specially:
When rectifier do not have direct current (d.c.) by time, energy-storage units provides direct current (d.c.) for described subordinate inverter.
5. a main compressor circuit control method, is applied to main compressor circuit, it is characterized in that, comprising:
Whether the DC output end detecting rectifier has direct current (d.c.) to pass through;
If pass through without direct current (d.c.), then by energy-storage units for inverter provides direct current (d.c.), control main compressor start.
6. method according to claim 5, is characterized in that, also comprises:
When detect the DC output end of rectifier have direct current (d.c.) by time, receive described direct current (d.c.), for described energy-storage units charges.
7. method according to claim 5, is characterized in that, described by energy-storage units for inverter provides direct current (d.c.), be specially:
Receive the direct current (d.c.) that described energy-storage units sends;
Described direct current (d.c.) is converted to the voltage matched with described inverter, exports described inverter to.
8. method according to claim 6, is characterized in that, the described direct current (d.c.) of described reception, for described energy-storage units charges, is specially:
Receive the direct current (d.c.) that described rectifier exports;
Described direct current (d.c.) is converted to the voltage matched with described energy-storage units, is stored to described energy-storage units.
9. method according to claim 6, is characterized in that, before the described direct current (d.c.) of described reception, also comprises:
Judge that in described energy-storage units, whether voltage is lower than predetermined value;
If so, described direct current (d.c.) is then received.
10. method according to claim 9, is characterized in that, also comprises:
If voltage is not lower than predetermined value in energy-storage units, then do not receive described direct current (d.c.).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049708.0A CN104728092A (en) | 2015-01-30 | 2015-01-30 | Main compressor circuit and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510049708.0A CN104728092A (en) | 2015-01-30 | 2015-01-30 | Main compressor circuit and control method thereof |
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| CN201363899Y (en) * | 2009-03-11 | 2009-12-16 | 曾智勇 | Air source heat pump hot water device with emergency standby power supply |
| CN201761490U (en) * | 2009-11-17 | 2011-03-16 | 南车资阳机车有限公司 | Auxiliary system of oil-electricity mixed dual powered locomotive |
| CN102627109A (en) * | 2012-04-19 | 2012-08-08 | 南车株洲电力机车有限公司 | Battery control circuit for double-electrical-energy locomotive |
| WO2014095119A1 (en) * | 2012-12-21 | 2014-06-26 | Ge Energy Products France Snc | Emergency system for an engine |
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2015
- 2015-01-30 CN CN201510049708.0A patent/CN104728092A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090108588A1 (en) * | 2007-10-25 | 2009-04-30 | Honda Motor Co., Ltd. | Cogeneration system |
| CN201363899Y (en) * | 2009-03-11 | 2009-12-16 | 曾智勇 | Air source heat pump hot water device with emergency standby power supply |
| CN201761490U (en) * | 2009-11-17 | 2011-03-16 | 南车资阳机车有限公司 | Auxiliary system of oil-electricity mixed dual powered locomotive |
| CN102627109A (en) * | 2012-04-19 | 2012-08-08 | 南车株洲电力机车有限公司 | Battery control circuit for double-electrical-energy locomotive |
| WO2014095119A1 (en) * | 2012-12-21 | 2014-06-26 | Ge Energy Products France Snc | Emergency system for an engine |
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Application publication date: 20150624 |