CN205265323U - Machine charges with adjustable adaptable high and cold environment - Google Patents
Machine charges with adjustable adaptable high and cold environment Download PDFInfo
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- CN205265323U CN205265323U CN201521067704.7U CN201521067704U CN205265323U CN 205265323 U CN205265323 U CN 205265323U CN 201521067704 U CN201521067704 U CN 201521067704U CN 205265323 U CN205265323 U CN 205265323U
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- adjustable
- environment
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Abstract
The utility model discloses a machine charges with adjustable adaptable high and cold environment, including select switch unit, three -phase adjustable transformer and the rectifier unit who connects gradually, the select switch unit inserts alternating current power supply, and the alternating voltage who exports through select switch regulation three -phase adjustable transformer is applicable to high and cold environment or home in order to correspond, and the alternating voltage of three -phase adjustable transformer output offers behind rectifier unit and treats adjustable transformer 1. The utility model particularly relates to a simple structure, low cost, have adjustable function, regulative mode and simple reliable and can be applicable to the advantage of high and cold environment.
Description
Technical field
The utility model relates to EMUs vehicle technology field, relates in particular to a kind of adjustable charger that adapts to psychro-environment being applicable in EMUs vehicle.
Background technology
Along with economic develop rapidly, the demand of track traffic increases severely day by day, and it is more urgent that high speed railway construction also becomes. In the development of railway, gradually from east to western, from Plain to plateau and from south to the north, the covering of the railway network is more and more wider, thereby inevitably the operating condition of some rail tracks can be in rugged environment comparatively, environment, weather conditions make the requirement of EMU more and more higher. Under the condition of especially high and cold, high height above sea level, need the EMUs charger temperature that conforms to export different voltage, to meet the charging needs of battery, improve the service life of battery.
Converter plant is as the core component of vehicle trailer system, and its performance requirement should be also the most important thing that design is considered. At present in the converter plant of EMUs vehicle; the charging voltage that charger provides only can meet the demand of battery under home operating mode conventionally; and the output voltage of charger is conventionally unadjustable; thereby do not there is the boisterous reliability service ability such as high and cold that adapts to; the conformability of car load is caused to very large impact, caused obstruction to the extensive utilization of EMU simultaneously.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, with low cost, to have adjustable function, regulative mode simple and reliable and can be applicable to the adjustable charger of the adapted to psychro-environment of psychro-environment.
For solving the problems of the technologies described above, the technical scheme the utility model proposes is:
A kind of adjustable charger that adapts to psychro-environment; comprise the selector switch unit, three-phase adjustable transformer and the rectification unit that connect successively; described selector switch unit incoming transport power supply; the alternating voltage that regulates described three-phase adjustable transformer to export by selector switch is applicable to psychro-environment or home with correspondence, and the alternating voltage of described three-phase adjustable transformer output offers battery to be charged after described rectification unit.
As further improvement of the utility model: described three-phase adjustable transformer is the many tapped transformers of three-phase, and in described selector switch unit, selector switch is connected with each tap position of described three-phase adjustable transformer respectively.
As further improvement of the utility model: described selector switch unit specifically comprises the first selector switch K1 and the second selector switch K2, described the first selector switch K1 and the second selector switch K2 are connected with the first tap position, second tap position of described three-phase adjustable transformer respectively, described the first tap position correspondence is exported the tap position of DC100V voltage after described rectification unit, and described the second tap position correspondence is exported the tap position of DC112V voltage after described rectification unit.
As further improvement of the utility model: in described selector switch unit, selector switch specifically adopts contactor.
As further improvement of the utility model: described rectification unit is not for controlling rectification unit.
As further improvement of the utility model: described rectification unit specifically adopts not control rectifying circuit of three phase full bridge.
As further improvement of the utility model: the output of described rectification unit is also provided with over-current protecting unit.
As further improvement of the utility model: described over-current protecting unit adopts current-limiting resistance or fuse.
Compared with prior art, the utility model has the advantage of: the utility model can adapt to the adjustable charger of psychro-environment, can be according to the residing real time environment of EMUs, control to adjust the output voltage of three-phase adjustable transformer by the selector switch of selector switch unit, after rectification unit, obtain required DC voltage and offer battery to be charged, can realize directly, reliably regulates control and mode of operation simple, be applicable to each environmental working conditions such as psychro-environment battery is charged, thereby improve the adaptive capacity of EMUs to environment.
Brief description of the drawings
Fig. 1 is the structural representation that the present embodiment can adapt to the adjustable charger of psychro-environment.
Marginal data: 1, selector switch unit; 2, three-phase adjustable transformer; 3, rectification unit; 4, over-current protecting unit.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, the utility model is further described, but does not therefore limit protection domain of the present utility model.
As shown in Figure 1; the present embodiment can adapt to the adjustable charger of psychro-environment; comprise the selector switch unit 1, three-phase adjustable transformer 2 and the rectification unit 3 that connect successively; selector switch unit 1 incoming transport power supply; regulate the alternating voltage that three-phase adjustable transformer 2 is exported to be applicable to psychro-environment or home with correspondence by selector switch, the alternating voltage that three-phase adjustable transformer 2 is exported offers battery to be charged after rectification unit 3. The present embodiment selector switch unit 1 is specifically arranged on car load, encapsulates one form charger main part by three-phase adjustable transformer 2 and rectification unit 3; The concrete AuCT that connects in selector switch unit 1, provides 3AC400V power supply by AuCT; Charger is connected to battery to be charged by connecting valve K3.
When in home, select 2 outputs of three-phase adjustable transformer to be applicable to the alternating voltage of home by selector switch in selector switch unit 1; When in psychro-environment, select 2 outputs of three-phase adjustable transformer to be applicable to the alternating voltage of psychro-environment by selector switch in selector switch unit 1, the alternating voltage that three-phase adjustable transformer 2 is exported obtains required direct current to battery to be charged after rectification unit 3.
The present embodiment said structure, can be according to the residing real time environment of EMUs, control to adjust the output voltage of three-phase adjustable transformer 2 by the selector switch of selector switch unit 1, after rectification unit 3, can obtain required DC voltage and offer battery to be charged, make to be applicable to each environmental working conditions such as psychro-environment battery is charged, thereby improve the adaptive capacity of EMUs to environment.
The present embodiment, by the selector switch of selector switch unit 1, directly controls to adjust the output voltage of three-phase adjustable transformer 2, and the mode of operation of voltage-regulation is simple and reliable, can be adapted to psychro-environment and obtain accurate required voltage.
In the present embodiment, three-phase adjustable transformer 2 is the many tapped transformers of three-phase, in selector switch unit 1, selector switch is connected with each tap position of three-phase adjustable transformer 2 respectively, by the tap connected mode of selector switch control three-phase adjustable transformer 2, thereby change the no-load voltage ratio of transformer, export required different voltages. According to the regulative mode of required realization, the present embodiment selector switch unit 1 arranges plural selector switch, each selector switch connects respectively a tap position of three-phase adjustable transformer 2, to make each selector switch different output voltages of corresponding three-phase adjustable transformer 2 respectively; In EMUs running, connect corresponding connection selector switch according to residing real time environment, control three-phase adjustable transformer 2 and export corresponding alternating voltage, after the rectification of rectification unit 3, export the voltage accumulators of required size.
As shown in Figure 1, the present embodiment selector switch unit 1 is specifically to comprise that the first selector switch K1 and the second selector switch K2 are as example, the first selector switch K1 and the second selector switch K2 are arranged on car load, the first selector switch K1 and the second selector switch K2 respectively with the first tap position (U11 of three-phase adjustable transformer, V11, W11), the second tap position (U12, V12, W12) connect, the first tap position correspondence is exported the tap position of DC100V voltage after rectification unit 3, the second tap position correspondence is exported the tap position of DC112V voltage after rectification unit 3. the present embodiment is realized two kinds of standard Voltage-outputs of charger by the first selector switch K1 and the second selector switch K2, comprise standard voltage 1(DC100V) and standard voltage 2(DC112V), under home operating mode, the charging demand of battery is DC100V, is controlled and is realized standard voltage 1 by the first selector switch K1, under psychro-environment operating mode, DC voltage is increased to DC112V and can meets the charging demand of battery due to ambient influnence, control and realize standard voltage 2 by the second selector switch K2.
The transformer voltage ratio that the present embodiment is specifically got the first tap position is that the transformer voltage ratio of 400V:78V, the second tap position is 355V:78V, as closed the first selector switch K1, disconnection the second selector switch K2, charger is in home powering mode, the 3AC400V AC power of input is exported after the 400V:78V no-load voltage ratio of transformer, exports DC100V offer battery through rectification unit 3; As closed the second selector switch K2, disconnection the first selector switch K1, charger is in psychro-environment powering mode, the 3AC400V AC power of input is exported after the 355V:78V no-load voltage ratio of transformer, exports DC112V offer battery through rectification unit 3.
In the present embodiment, in selector switch unit 1, selector switch specifically adopts contactor, by the adjusting that realizes transformer output voltage of cut-offfing of car load control (the first selector switch K1, the second selector switch K2) contactor.
In the present embodiment, rectification unit 3 is not for controlling rectification unit. In conjunction with three-phase adjustable transformer 2, do not control rectification unit by employing and carry out rectification, compared with the switch control rectifier systems such as IGBT, without switching loss and without forced heat radiation, can directly adopt the cooling radiating mode of nature, thereby can remove the setting of heat abstractor from, effectively reduce required cost and installing space, improve the reliability of charger.
In the present embodiment, the concrete not control rectifying circuit of three phase full bridge that adopts of rectification unit 3.
In the present embodiment, the output of rectification unit 3 is also provided with over-current protecting unit 4, and the DC voltage of rectification unit 3 being exported by over-current protecting unit 4 carries out overcurrent protection, further guarantees the security reliability of charger.
In the present embodiment, concrete current-limiting resistance or the fuse of adopting of over-current protecting unit 4, the DC voltage by current-limiting resistance or fuse after to rectification carries out overcurrent protection, and reliability is high and required cost is low.
Above-mentioned is preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction. Although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model. Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (8)
1. one kind can adapt to the adjustable charger of psychro-environment; it is characterized in that comprising the selector switch unit (1), three-phase adjustable transformer (2) and the rectification unit (3) that connect successively; described selector switch unit (1) incoming transport power supply; the alternating voltage that regulates described three-phase adjustable transformer (2) to export by selector switch is applicable to psychro-environment or home with correspondence, and the alternating voltage of described three-phase adjustable transformer (2) output offers battery to be charged after described rectification unit (3).
2. the adjustable charger that adapts to psychro-environment according to claim 1, it is characterized in that: described three-phase adjustable transformer (2) is the many tapped transformers of three-phase, in described selector switch unit (1), selector switch is connected with each tap position of described three-phase adjustable transformer (2) respectively.
3. the adjustable charger that adapts to psychro-environment according to claim 2, it is characterized in that: described selector switch unit (1) specifically comprises the first selector switch K1 and the second selector switch K2, described the first selector switch K1 and the second selector switch K2 respectively with the first tap position of described three-phase adjustable transformer, the second tap position connects, the corresponding tap position of exporting DC100V voltage after described rectification unit (3) of described the first tap position, the corresponding tap position of exporting DC112V voltage after described rectification unit (3) of described the second tap position.
4. the adjustable charger that adapts to psychro-environment according to claim 2, is characterized in that: in described selector switch unit (1), selector switch specifically adopts contactor.
5. according to the adjustable charger of the adapted to psychro-environment described in any one in claim 1～4, it is characterized in that: described rectification unit (3) is not for controlling rectification unit.
6. the adjustable charger that adapts to psychro-environment according to claim 5, is characterized in that: described rectification unit (3) specifically adopts not control rectifying circuit of three phase full bridge.
7. according to the adjustable charger of the adapted to psychro-environment described in any one in claim 1～4, it is characterized in that: the output of described rectification unit (3) is also provided with over-current protecting unit (4).
8. the adjustable charger that adapts to psychro-environment according to claim 7, is characterized in that: described over-current protecting unit (4) adopts current-limiting resistance or fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521067704.7U CN205265323U (en) | 2015-12-21 | 2015-12-21 | Machine charges with adjustable adaptable high and cold environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521067704.7U CN205265323U (en) | 2015-12-21 | 2015-12-21 | Machine charges with adjustable adaptable high and cold environment |
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| Publication Number | Publication Date |
|---|---|
| CN205265323U true CN205265323U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521067704.7U Active CN205265323U (en) | 2015-12-21 | 2015-12-21 | Machine charges with adjustable adaptable high and cold environment |
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| CN (1) | CN205265323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013960A (en) * | 2021-04-20 | 2021-06-22 | 台州竞添机电有限公司 | Novel charger |
-
2015
- 2015-12-21 CN CN201521067704.7U patent/CN205265323U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013960A (en) * | 2021-04-20 | 2021-06-22 | 台州竞添机电有限公司 | Novel charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |