CN111775979B - Continuous circulation charge-discharge locomotive power supply - Google Patents
Continuous circulation charge-discharge locomotive power supply Download PDFInfo
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- CN111775979B CN111775979B CN202010699461.8A CN202010699461A CN111775979B CN 111775979 B CN111775979 B CN 111775979B CN 202010699461 A CN202010699461 A CN 202010699461A CN 111775979 B CN111775979 B CN 111775979B
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- storage battery
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 239000003381 stabilizer Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The invention relates to a continuous circulation charge-discharge locomotive power supply, a rechargeable storage battery and at least one standby storage battery, wherein the standby storage battery is put into operation alternatively, and the output ends of the rechargeable storage battery and the standby storage battery are respectively connected with the input end of a change-over switch; the input end of the rechargeable storage battery is connected with the mains supply through a charging module, the output end of the change-over switch is connected to the inverter, and the output end of the inverter is sequentially connected with the rectifying module and the voltage stabilizer in series; the charging device comprises a charging module, a current signal detection module and a processor, wherein the charging module is connected with a charging terminal; the invention combines continuous switching of a plurality of power supply modes to ensure that the power supply state of the storage battery can be effectively entered in the state of power failure of the commercial power, and the power failure restarting phenomenon of the whole machine set can not occur in the whole process.
Description
Technical Field
The invention relates to the field of power supplies, in particular to a continuous cycle charging and discharging locomotive power supply.
Background
The locomotive special power supply is a customized power supply specially developed and produced for railway locomotive monitoring power supply equipment. The existing partial products are successfully applied to railway wireless communication base stations, railway platform scheduling, railway standby power supply devices and railway locomotive basic power supply systems, and are applicable to various train equipment DC24/DC12V power supply equipment. For example, the KJ160 series power supply is a custom power supply developed and produced specifically for railroad locomotive monitoring power supply equipment. The existing partial products are successfully applied to railway wireless communication base stations, railway platform scheduling, railway standby power supply devices and railway locomotive basic power supply systems, and are applicable to various train equipment DC24/DC12V power supply equipment. 90-264 VDC input has the characteristics of low standby power consumption, high power factor, small volume, high efficiency, stable operation and the like.
The existing power supply is generally connected into the mains supply, and is changed into power supply output suitable for the power supply specification of equipment through a rectifying circuit, once the mains supply power-off equipment is in a shutdown risk, in order to solve the problem, a chargeable and dischargeable storage battery or a generator is prepared as a standby power supply in a common mode at present, but the state has the defect that once the power-off is carried out, the equipment still has a short power-off phenomenon, and the equipment needs to be shut down and restarted, so that equipment faults are easily caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a continuous cycle charging and discharging locomotive power supply, and combines continuous switching of a plurality of power supply modes to ensure that a storage battery power supply state can be effectively entered under a mains supply power-off state, and a power-off restarting phenomenon of a whole process unit can not occur.
The aim of the invention is realized by the following technical scheme:
a continuous cycle charge-discharge locomotive power supply comprising:
the device comprises a rechargeable storage battery and at least one standby storage battery, wherein the standby storage battery is put into operation alternatively, and the output ends of the rechargeable storage battery and the standby storage battery are respectively connected with the input end of a change-over switch;
the input end of the rechargeable storage battery is connected with the mains supply through a charging module, the output end of the change-over switch is connected to the inverter, and the output end of the inverter is sequentially connected with the rectifying module and the voltage stabilizer in series;
the charging device comprises a charging module, a current signal detection module and a processor, wherein the charging module is connected with a charging terminal;
in the initial state, the rechargeable storage battery is conducted with the inverter through the change-over switch, and when the mains supply is disconnected, the processor controls the change-over switch to be connected with the standby storage battery and the inverter, and the connection between the rechargeable storage battery and the inverter is disconnected after the standby storage battery and the inverter are connected.
According to the scheme, the commercial power is supplied with electric energy through the chargeable storage battery through the charging module, one or more standby storage batteries are designed at the same time, when the commercial power is powered off, the standby storage batteries are switched to supply power, and as the commercial power is indirectly supplied through the chargeable storage batteries, even if the commercial power is powered off, the residual electric energy in the chargeable storage batteries can be partially supplied with power continuously, so that the machine set can not be powered off in a short time when the standby storage batteries are switched, namely, the equipment is not required to be shut down, and the switching of the power supply is completed.
Furthermore, the output ends of the rechargeable storage battery and the standby storage battery are respectively connected with a rectification circuit in parallel, the output ends of the rectification circuits are respectively connected to the change-over switch, and a break switch controlled by the processor is respectively connected in series between the output ends of the rechargeable storage battery and the standby storage battery and the change-over switch;
when the rechargeable storage battery and the standby storage battery are connected to the inverter through the change-over switch at the same time, the processor controls the break switch to be opened, the rechargeable storage battery and the standby storage battery are input to the inverter through the change-over switch after being rectified by the rectification circuit, and when the rechargeable storage battery and the standby storage battery are connected to the inverter through the change-over switch alternatively, the break switch is closed, and the rectification circuit is opened.
The purpose of this design is in order to guarantee switching process in-process, and the input current of dc-to-ac converter is unanimous, avoids appearing the electric power oscillation, because rechargeable battery and reserve battery adopt parallelly connected the access, its output voltage is unchangeable, consequently only need rectify its electric current can, when switching process finishes, forms under the single battery power supply state, rectifier circuit disconnection, power supply current resumes.
Further, the output power of the rechargeable battery and the output power of the standby battery are the same, and the rectifying circuit is used for rectifying the output circuits of the rechargeable battery and the standby battery to one half of the rated power of the rechargeable battery and the standby battery.
Further, the change-over switch includes:
the shell and a rotating part which is arranged in the shell and is driven by a motor to rotate, and an arc-shaped conductive column with a central angle larger than 270 DEG is fixed by taking the rotating part as the center;
a first binding post, a second binding post and a third binding post are respectively arranged on three continuous quadrant points taking the rotating part as the center, and a section of arc-shaped wire connecting pipe is respectively fixed at the opposite ends of the first binding post, the second binding post and the third binding post;
the arc-shaped conductive posts sequentially penetrate through the arc-shaped wiring tube, so that electric connection is formed between the first binding post and the third binding post;
the first binding post and the second binding post are respectively connected with the rechargeable storage battery and the standby storage battery, and the third binding post is connected with the inverter;
the motor is connected with the processor, and the processor controls the arc-shaped conductive column to rotate clockwise or anticlockwise for switching the electric connection state between the third binding post and the first binding post and the second binding post.
The design can ensure that the switch is disconnected only after the standby storage battery is connected into the system in the switching process, and the whole process can be completed by one-time operation without repeated switching of the multiple switches.
Further, the radian of the arc-shaped wire connecting tube is the same as that of the arc-shaped conductive column.
Further, a pressure sensor or a travel switch connected with the processor is arranged in the arc-shaped wiring tube and used for feeding back the electric connection state among the first wiring post, the second wiring post and the third wiring post, and the processor controls the state of the circuit breaker according to the fed-back information.
Furthermore, the two ends of the arc-shaped conductive column are designed to be conical, and the conical design is used for facilitating stable access of the arc-shaped conductive column to the arc-shaped wire connection tube.
Furthermore, the standby storage battery is fully charged in a normal power supply state of the commercial power to serve as a standby, and the types of the standby storage battery comprise an alternating current/direct current charging battery and a solar charging battery.
The beneficial effects of the invention are as follows: compared with the traditional power supply, the invention uses the series connection of the commercial power and the rechargeable storage battery as the commercial power supply circuit, so that the residual quantity of the commercial power is still stored in the rechargeable storage battery in the power supply process, and when the commercial power is disconnected, the residual quantity of the rechargeable storage battery can support the power supply in a short time, thereby ensuring that the temporary shutdown of a unit is not caused when the standby storage battery is switched, avoiding the secondary start of equipment, effectively protecting the equipment and maintaining the normal work of the equipment.
Drawings
FIG. 1 is a schematic diagram of a system of the present invention;
FIG. 2 is a schematic diagram of another embodiment system of the present invention;
FIG. 3 is a schematic diagram of a change-over switch state;
FIG. 4 is a schematic diagram of a change-over switch state;
fig. 5 is a three schematic diagrams of the change-over switch state.
Detailed Description
The technical scheme of the present invention is described in further detail below with reference to specific embodiments, but the scope of the present invention is not limited to the following description.
Referring to fig. 1, a continuous cycle charge-discharge locomotive power supply, comprising:
the rechargeable battery and the standby battery are alternatively put into operation, and the output ends of the rechargeable battery and the standby battery are respectively connected with the input end of a change-over switch;
the input end of the rechargeable storage battery is connected with the mains supply through a charging module, the output end of the change-over switch is connected to the inverter, and the output end of the inverter is sequentially connected with the rectifying module and the voltage stabilizer in series;
the charging device comprises a current signal detection module connected with the input end of the charging module and a processor connected with the current signal detection module, wherein the processor is connected with the change-over switch;
in the initial state, the rechargeable storage battery is conducted with the inverter through the change-over switch, and when the commercial power is cut off, the processor controls the change-over switch to switch on the standby storage battery and the inverter, and the standby storage battery and the inverter are disconnected with the rechargeable storage battery after being switched on.
Optionally, in a continuous cycle charge-discharge locomotive power supply, output ends of the rechargeable storage battery and the standby storage battery are respectively connected with a rectification circuit in parallel, output ends of the rectification circuit are respectively connected to the change-over switch, and a break switch controlled by the processor is respectively connected in series between the output ends of the rechargeable storage battery and the standby storage battery and the change-over switch; when the rechargeable battery and the standby battery are connected to the inverter through the change-over switch, the processor controls the break switch to be opened, the rechargeable battery and the standby battery are rectified by the rectification circuit and then input to the inverter through the change-over switch, and when the rechargeable battery and the standby battery are connected to the inverter through the change-over switch, the break switch is closed, and the rectification circuit is opened. The output power of the rechargeable battery and the output power of the standby battery are the same, and the rectifying circuit is used for rectifying the output circuits of the rechargeable battery and the standby battery to one half of the rated power of the output circuits.
Further, the change-over switch includes:
the device comprises a shell 1 and a rotating part 2 which is arranged in the shell 1 and is driven to rotate by a motor, wherein an arc-shaped conductive column 3 with a central angle larger than 270 degrees is fixed by taking the rotating part 2 as a center;
a first binding post 4, a second binding post 5 and a third binding post 6 are respectively arranged on three continuous quadrant points taking the rotating part 2 as the center, and a section of arc-shaped wire connecting pipe 7 is respectively fixed at the opposite ends of the first binding post 4, the second binding post 5 and the third binding post 6;
the arc-shaped conductive posts 3 sequentially pass through the arc-shaped wiring tube 7, so that electric connection is formed between the first wiring post 4 and the third wiring post 6;
the first binding post 4 and the second binding post 5 are respectively connected with a rechargeable storage battery and a standby storage battery, and the third binding post 6 is connected with an inverter;
the motor is connected with the processor, and the processor controls the arc-shaped conductive post 3 to rotate clockwise or anticlockwise for switching the electric connection state between the third binding post 6 and the first binding post 4 and the second binding post 5. Referring to fig. 3-5, there are three on states, fig. 3 is an initial state of the present power supply, the first terminal 4 is conducted with the third terminal 6, wherein the first terminal 4 is connected with a rechargeable battery, that is, in this state, the power is supplied by mains electricity. When the commercial power is powered off, the processor controls the motor to rotate according to the power-off condition detected by the current signal detection module, so that the arc-shaped conductive post 3 rotates, and the state II shown in fig. 4 is entered, and in this state, the first binding post 4, the second binding post 5 and the third binding post 6 are conducted, that is, the first binding post 4, the second binding post 5 and the third binding post 6 form a parallel connection, the rechargeable storage battery and the standby storage battery are put into operation at the same time, and at the moment, the processor also controls the circuit breaker to open, so that the rechargeable storage battery and the standby storage battery are respectively connected into the inverter after passing through the rectifying circuit. Continuing to rotate the arc-shaped conductive post 3 in the state, and entering a state III shown in fig. 5, wherein the second terminal 5 is conducted with the third terminal 6 in the state, namely, the standby storage battery is put into operation, and meanwhile, the processing also controls the closing of the disconnection switch, and the rectifying circuit is opened, so that the output of the rechargeable storage battery and the standby storage battery is normal.
As a preferred embodiment, the arc wire tube 7 has the same arc as the arc of the arc-shaped conductive post 3. Both ends of the arc-shaped conductive column 3 are designed to be conical
In another aspect, in order to improve the control accuracy of the process, a signal feedback control is further provided in this embodiment, and a pressure sensor or a travel switch connected to a processor is disposed in the arc-shaped wiring tube 7, for feeding back the electrical connection states of the first wiring post 4, the second wiring post 5 and the third wiring post 6, and the processor controls the state of the circuit breaker according to the fed-back information.
In this embodiment, the standby storage battery is fully charged as standby in a normal power supply state of the mains supply, and the types of the standby storage battery include an ac/dc rechargeable battery and a solar rechargeable battery.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (5)
1. A continuous cycle charge-discharge locomotive power supply comprising:
the device comprises a rechargeable storage battery and at least one standby storage battery, wherein the standby storage battery is put into operation alternatively, and the output ends of the rechargeable storage battery and the standby storage battery are respectively connected with the input end of a change-over switch;
the input end of the rechargeable storage battery is connected with the mains supply through a charging module, the output end of the change-over switch is connected to the inverter, and the output end of the inverter is sequentially connected with the rectifying module and the voltage stabilizer in series;
the charging device comprises a charging module, a current signal detection module and a processor, wherein the charging module is connected with a charging terminal;
in an initial state, the rechargeable storage battery is conducted with the inverter through the change-over switch, and when mains supply is disconnected, the processor controls the change-over switch to be connected with the standby storage battery and the inverter, and the connection between the rechargeable storage battery and the inverter is disconnected after the standby storage battery and the inverter are connected;
the output ends of the rechargeable storage battery and the standby storage battery are respectively connected in parallel with a rectifying circuit, the output ends of the rectifying circuits are respectively connected to a change-over switch, and a break switch controlled by the processor is respectively connected in series between the output ends of the rechargeable storage battery and the standby storage battery and the change-over switch;
when the rechargeable storage battery and the standby storage battery are connected to the inverter through the change-over switch at the same time, the processor controls the break switch to be opened, the rechargeable storage battery and the standby storage battery are input to the inverter through the change-over switch after being rectified by the rectification circuit, and when the rechargeable storage battery and the standby storage battery are connected to the inverter through the change-over switch at the same time, the break switch is closed, and the rectification circuit is opened;
the output power of the rechargeable storage battery is the same as that of the standby storage battery, and the rectifying circuit is used for rectifying the output circuits of the rechargeable storage battery and the standby storage battery to one half of the rated power of the output circuits;
the change-over switch includes:
the device comprises a shell (1) and a rotating part (2) which is arranged in the shell (1) and is driven by a motor to rotate, wherein an arc-shaped conductive column (3) with a central angle larger than 270 DEG is fixed by taking the rotating part (2) as the center;
a first binding post (4), a second binding post (5) and a third binding post (6) are respectively arranged on three continuous quadrant points taking the rotating part (2) as the center, and a section of arc-shaped wire connecting pipe (7) is respectively fixed at the opposite ends of the first binding post (4), the second binding post (5) and the third binding post (6);
the arc-shaped conductive posts (3) sequentially penetrate through the arc-shaped wiring tube (7) so that electric connection is formed between the first binding post (4) and the third binding post (6);
the first binding post (4) and the second binding post (5) are respectively connected with a rechargeable storage battery and a standby storage battery, and the third binding post (6) is connected with an inverter;
the motor is connected with the processor, and the processor controls the arc-shaped conductive column (3) to rotate clockwise or anticlockwise and is used for switching the electric connection state between the third binding post (6) and the first binding post (4) and the second binding post (5).
2. A continuous cycle charge and discharge locomotive power supply according to claim 1, characterized in that the arc of the arc-shaped wire connection tube (7) is the same as the arc of the arc-shaped conductive post (3).
3. The continuous cycle charge-discharge locomotive power supply according to claim 2, wherein a pressure sensor or a travel switch connected with the processor is arranged in the arc-shaped wiring tube (7) and is used for feeding back the electric connection states among the first wiring post (4), the second wiring post (5) and the third wiring post (6), and the processor controls the state of the circuit breaking switch according to the fed-back information.
4. A continuous cycle charge and discharge locomotive power supply as claimed in claim 3, characterized in that the two ends of the arc-shaped conductive column (3) are designed as a cone.
5. The continuous cycle charge-discharge locomotive power supply of claim 4 wherein said backup battery is charged as backup in a normal mains supply condition, the type of backup battery comprising an ac/dc charged battery, a solar charged battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010699461.8A CN111775979B (en) | 2020-07-20 | 2020-07-20 | Continuous circulation charge-discharge locomotive power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010699461.8A CN111775979B (en) | 2020-07-20 | 2020-07-20 | Continuous circulation charge-discharge locomotive power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111775979A CN111775979A (en) | 2020-10-16 |
| CN111775979B true CN111775979B (en) | 2023-06-23 |
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| CN202010699461.8A Active CN111775979B (en) | 2020-07-20 | 2020-07-20 | Continuous circulation charge-discharge locomotive power supply |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202765998U (en) * | 2012-05-25 | 2013-03-06 | 广州坂本电气有限公司 | Emergency device for elevator blackout |
| CA2831195C (en) * | 2012-10-29 | 2021-02-16 | Philip Y.W. Tsui | Barrier control system with auxiliary power supply and auxiliary power supply for barrier control system |
| CN206524681U (en) * | 2017-03-09 | 2017-09-26 | 四川阿海珐电气有限公司 | Emergency power supply |
| CN107124033A (en) * | 2017-05-22 | 2017-09-01 | 合肥联信电源有限公司 | A kind of emergency power system for exporting switching free of discontinuities |
| CN109450075A (en) * | 2018-12-11 | 2019-03-08 | 震惶科技（成都）有限公司 | A kind of ice chest refrigeration system based on intelligent UPS |
| CN209982165U (en) * | 2019-04-15 | 2020-01-21 | 许昌职业技术学院 | Unsmooth constant voltage power supply circuit that group battery is changeable |
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| CN111775979A (en) | 2020-10-16 |
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Address after: No. 78, shilinggang Road, Huaying City, Guang'an City, Sichuan Province Patentee after: Sichuan Jiahua Machinery Co.,Ltd. Country or region after: China Address before: No. 78, shilinggang Road, Huaying City, Guang'an City, Sichuan Province Patentee before: SICHUAN HUAYINGSHAN GUANGNENG GROUP JIAHUA MACHINERY CO.,LTD. Country or region before: China |