CN205105084U - Compact converter - Google Patents
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- CN205105084U CN205105084U CN201520866431.6U CN201520866431U CN205105084U CN 205105084 U CN205105084 U CN 205105084U CN 201520866431 U CN201520866431 U CN 201520866431U CN 205105084 U CN205105084 U CN 205105084U
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Abstract
The utility model discloses a compact converter, including the cabinet body, fan subassembly, a converter module, the 2nd converter module, switching element module are installed to the cabinet body, and the cabinet is internal including separating four cavitys that form, and wherein the fourth cavity lies in the lower part of the cabinet body, and first cavity, second cavity and third cavity are parallel to be arranged in the top of fourth cavity, a converter module is arranged in first cavity, and the 2nd converter module is arranged in the third cavity, and a converter module's first module radiator, the 2nd converter module's the second module radiator are arranged in the second cavity, fan subassembly and second cavity intercommunication, and the switching element module lies in the fourth cavity, the vent that is used for ventilation cooling is offered to the cabinet body equal symmetry on the left and right sides lateral wall of first cavity and third cavity department. The utility model has the advantages of compact structure, space and device are arranged, and reasonable, whole radiating efficiency is high.
Description
Technical field
The utility model is mainly concerned with field of track traffic, refers in particular to a kind of compact current transformer.
Background technology
Urban track traffic surface power supply field needs to use current transformer, realizes the conversion in electric substation between alternating current and direct current, has inversion feedback function, rectification traction function, voltage stabilizing function etc.When train braking, unnecessary braking energy is fed back to AC/DC electrical network; When train traction and electric substation's traction rectifier unit jointly for train provides direct current measurement.
Current transformer operationally needs to dispel the heat to it, forced air cooling because its equipment is simple, occupy little space, safeguard that the feature such as few enjoys user to favor.In the process that current transformer develops toward miniaturized, compact, rational power device is arranged, the design of suitable cabinet body structure proposes strict requirement to the heat dissipation design of current transformer, Duct design, device mounting design, how to carry out difference heat radiation to the components and parts of different heat amount, how the components and parts large to caloric value carry out directly, dispelling the heat fast and efficiently also becomes research emphasis.
There is following technical problem in the current transformer of prior art: space, device arrange unreasonable, do not meet compact requirement, integral heat sink poor effect; High-power converting module individually exports, and without electrically connecting, cannot meet the requirement that connection in series-parallel exports; Though high-power converting module device is provided with filter capacitor, due to the restriction of module volume, capacitor's capacity is limited, and filter effect is not good; When using compact chassis, switching device is installed inconvenient.
As: Chinese Patent Application No. is CN201320545589.4, name is called the technical scheme that the patent of " a kind of radiator structure of photovoltaic DC-to-AC converter " is announced, by unsteady flow module arrangement front side in the middle part of rack, independent ventiduct is arranged on rear side of power device, the program does not make full use of cabinet depth director space, and space availability ratio is not high.Chinese Patent Application No. CN201320571981.6, the technical scheme that the patent that name is called " a kind of radiator structure of inverter rack " is announced, is arranged in front cavity by filter unit, switching device and power distribution unit, reactor is arranged in rear chamber.The program utilizes deep space, but is not suitable for great power conversion circuit equipment.Chinese Patent Application No. is CN201520293761.0, name is called the technical scheme that the patent of " high-power converter cabinet " is announced, by two unsteady flow module arrangement both sides, front and back in the middle part of rack, back two vertical baffle of unsteady flow module heat radiator, end two vertical clapboard of radiator form the shared air channel of two radiators; The program makes full use of depth direction space, structure is compacter, but the program takes the mode of air intake heat radiation from the bottom to top, and air inlet is provided with the passive heater element of reactor below cabinet, cold wind could cool powerful unsteady flow module heat radiator after first need cooling the passive heater element of reactor, the cold wind flowing space is large, and the cooling effect of unsteady flow module heat radiator is poor; And this scheme cannot meet the electric connection between two-way module, also cannot cool module and electric capacity.
Utility model content
The technical problems to be solved in the utility model is just: the technical problem existed for prior art, and the utility model provides the compact current transformer that a kind of compact conformation, space and device arrangements are reasonable, integral heat sink efficiency is high.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of compact current transformer, comprise cabinet, described cabinet is provided with fan assembly, the first unsteady flow module, the second unsteady flow module, switching device module, four cavitys be separated are comprised in described cabinet, wherein the 4th cavity is positioned at the bottom of cabinet, and the first cavity, the second cavity and the 3rd cavity walk abreast and be arranged in the top of the 4th cavity; Described first unsteady flow module is arranged in the first cavity, described second unsteady flow module is arranged in the 3rd cavity, first module heat radiator of described first unsteady flow module, the second module heat radiator of the second unsteady flow module are arranged in the second cavity, described fan assembly is communicated with the second cavity, and described switching device module is positioned at the 4th cavity; Described cabinet on the left and right sidewall at the first cavity and the 3rd cavity place all symmetry offer the ventilating opening for ventilation and heat.
As further improvement of the utility model, described first unsteady flow module comprises the first external capacitor, described second unsteady flow module comprises the second external capacitor, and described first external capacitor and the equal correspondence of the second external capacitor are arranged at the top of the first unsteady flow module and the second unsteady flow module.
As further improvement of the utility model, described first unsteady flow module and the second unsteady flow module are provided with low-inductance bus, and described first external capacitor and the second external capacitor are electrically connected by low-inductance bus.
As further improvement of the utility model, ventilating opening on the left and right sidewall of described cabinet includes ventilating opening and lower ventilating opening, described upper ventilating opening is arranged near the first external capacitor, the second external capacitor respectively, and described lower ventilating opening is respectively near the first unsteady flow module, the second unsteady flow module installation.
As further improvement of the utility model, described fan assembly comprises induced draft fans, and described cabinet top is provided with fan outlet, is provided with wind guide assemblies in described second cavity; Cold wind enters after the first cavity and the 3rd cavity respectively through ventilating opening, to enter in the second cavity and to be discharged by fan assembly after described wind guide assemblies guiding.
As further improvement of the utility model, also comprise the 5th cavity that is provided with fan assembly and the 6th cavity for installing Quadratic Finite Element device in described cabinet, described 5th cavity is located at above the 3rd cavity, and described 6th cavity is located at the top of the first cavity.
As further improvement of the utility model, six cavitys of described cabinet are separated by the first lateral partitions, the second lateral partitions, the 3rd lateral partitions and the first vertical baffle and the second vertical baffle.
As further improvement of the utility model, be provided with guide assembly in described 4th cavity, described switching device module is slidedly arranged in the 4th cavity by guide assembly.
Compared with prior art, the utility model has the advantage of:
1, compact current transformer of the present utility model, in limited converter cabinet body space, utilize the design of cooling system in cabinet and cabinet, the unsteady flow module that caloric value is large, temperature is high and the little switching device module of caloric value are divided respectively and are interposed between different cavity body, reduce the temperature impact between different heat amount components and parts, and guide quick, the direct unsteady flow module large to caloric value of cold wind to dispel the heat simultaneously, and then effectively can control the temperature of power model, integral heat sink efficiency is high, improves the reliability of current transformer.
2, compact current transformer of the present utility model, under converter module compacted condition, by reasonably to design and layout adds external capacitor, expands filter capacitor capacitance, thus ensures the filter effect that current transformer is good; And by arrange low-inductance bus can meet in converter module cabinet between electric connection in series-parallel.
3, compact current transformer of the present utility model, by arranging unique lower airway mouth in cabinet two side simultaneously, and in conjunction with Duct design in cabinet, make cold wind can cool external dilatation and can cool unsteady flow module again, arrange by Quadratic Finite Element device little for caloric value is separated simultaneously, make integral heat sink effective.
4, compact current transformer of the present utility model, arranges guide assembly in the 4th cavity, switching device module is slidedly arranged in the 4th cavity, is convenient to the installation and maintenance of switching device module.
Accompanying drawing explanation
Fig. 1 is the utility model compact current transformer integral air duct system principle schematic diagram in embody rule embodiment.
Fig. 2 is the utility model Facad structure principle schematic in embody rule example.
Fig. 3 is the utility model structure principle schematic in embody rule example.
Fig. 4 is the structural principle schematic diagram of the utility model cabinet in embody rule example.
Fig. 5 is cavity distribution schematic diagram of the present utility model.
Fig. 6 is the perspective view of the utility model unsteady flow module in embody rule example.
Fig. 7 is the perspective view of the utility model in embody rule example breaker in middle device blocks.
Marginal data:
1, cabinet; 11, the first lateral partitions; 12, the second lateral partitions; 13, the 3rd lateral partitions; 14, the first vertical baffle; 15, the second vertical baffle; 2, fan assembly; 3, the first unsteady flow module; 31, the first external capacitor; 4, the second unsteady flow module; 41, the second external capacitor; 5, switching device module; 6, ventilating opening; 61, upper ventilating opening; 62, lower ventilating opening; 7, low-inductance bus; 8, wind guide assemblies; 9, guide assembly.
Embodiment
Below with reference to Figure of description and specific embodiment, the utility model is described in further details.
As shown in Figures 1 to 7, compact current transformer of the present utility model, comprises cabinet 1, and cabinet 1 is provided with fan assembly 2, first unsteady flow module 3, second unsteady flow module 4, switching device module 5.Comprise four cavitys be separated in cabinet 1, wherein the 4th cavity is positioned at the bottom of cabinet 1, and the first cavity, the second cavity and the 3rd cavity walk abreast and be arranged in the top of the 4th cavity.First unsteady flow module 3 is arranged in the first cavity, second unsteady flow module 4 is arranged in the 3rd cavity, first module heat radiator of the first unsteady flow module 3, the second module heat radiator of the second unsteady flow module 4 are arranged in the second cavity, fan assembly 2 is communicated with the second cavity, and switching device module 5 is positioned at the 4th cavity; Cabinet 1 on the left and right sidewall at the first cavity and the 3rd cavity place all symmetry offer the ventilating opening 6 for ventilation and heat.By the design of cooling system in such cabinet and cabinet, in limited converter cabinet body space, the unsteady flow module that caloric value is large, temperature is high and the little switching device module of caloric value are divided respectively and are interposed between different cavity body, reduce the temperature impact between different heat amount components and parts, and guide the radiator of quick, the direct unsteady flow module large to caloric value of cold wind to dispel the heat simultaneously, and then effectively can control the temperature of power model, integral heat sink efficiency is high, improves the reliability of current transformer.
Further, in the preferred embodiment, first unsteady flow module 3 comprise the first external capacitor 31, second unsteady flow module 4 comprise the second external capacitor 41, first external capacitor 31 and the second external capacitor 41 all correspondence be arranged at the top of the first unsteady flow module 3 and the second unsteady flow module 4.First unsteady flow module 3 and the second unsteady flow module 4 are provided with low-inductance bus 7, and the first external capacitor 31 and the second external capacitor 41 are electrically connected by low-inductance bus 7.Under converter module compacted condition, by reasonably to design and layout adds external capacitor, expand filter capacitor capacitance, thus ensure the filter effect that current transformer is good; And by arranging low-inductance bus 7, the electric connection in series-parallel between can meeting in converter module cabinet.
Further, in the preferred embodiment, ventilating opening 6 on the left and right sidewall of cabinet 1 includes ventilating opening 61 and lower ventilating opening 62, upper ventilating opening 61 is arranged near the first external capacitor 31, second external capacitor 41 respectively, and lower ventilating opening 62 is arranged near the first unsteady flow module 3, second unsteady flow module 4 respectively.Fan assembly 2 comprises induced draft fans, and cabinet 1 top is provided with fan outlet, is provided with wind guide assemblies 8 in the second cavity; Cold wind enters after the first cavity and the 3rd cavity respectively through upper ventilating opening 61 and lower ventilating opening 62, to enter in the second cavity and through wind guide assemblies 8 lead laggard enter fan assembly 2 discharge (cold wind flows through wind direction as shown in black arrow in Fig. 1).The second module heat radiator of the first module heat radiator of the first unsteady flow module 3, the second unsteady flow module 4 is provided with in second cavity, and the first module heat radiator and the second module heat radiator are in arranging back-to-back, effectively to play the effect of wind guide assemblies 8, force cold wind to pass through between above-mentioned radiator, increase radiator efficiently radiates heat flow.
By above-mentioned setting, induced draft fans exhausting produces negative pressure, part cold air enters in cabinet from the upper ventilating opening 61 the left and right sidewall of cabinet 1, respectively through the first external capacitor 31 and the second external capacitor 41, reduce the ambient temperature of external capacitor periphery, ensure electric capacity reliably working, the second cavity is entered again through the first unsteady flow module 3 and the second unsteady flow module 4, the first module heat radiator in second cavity and the second module heat radiator are dispelled the heat, leads through wind guide assemblies 8 and finally discharged outside cabinet by blower fan.Meanwhile, some cold air enters in cabinet from the lower ventilating opening 62 the left and right sidewall of cabinet 1 and also enters the second cavity fast, after directly the first module heat radiator in the second cavity and the second module heat radiator being dispelled the heat, lead through wind guide assemblies 8 and finally discharged outside cabinet by blower fan.By arranging unique lower airway mouth in cabinet two side simultaneously, and in conjunction with Duct design in cabinet, make cold wind can cool external dilatation, can dispel the heat to unsteady flow module heat radiator fast, directly again, make integral heat sink effective.
Further, in the preferred embodiment, also comprise the 5th cavity that is provided with fan assembly 2 and the 6th cavity for installing Quadratic Finite Element device in cabinet 1, the 5th cavity is located at above the 3rd cavity, and the 6th cavity is located at the top of the first cavity.Six cavitys of cabinet 1 are separated by the first lateral partitions 11, second lateral partitions 12, the 3rd lateral partitions 13 and the first vertical baffle 14 and the second vertical baffle 15.Quadratic Finite Element device (not shown) has been the low-voltage electrical element of Control protection metering regulating action, relates to control switch, relay, instrument, indicator light etc., and its discord main circuit directly connects, and caloric value is little.By in the 5th cavity that fan assembly 2 and Quadratic Finite Element device is individually arranged on and the 6th cavity, one is that the Quadratic Finite Element device making caloric value little does not affect by the temperature rise of the large power device module of caloric value, not easily causes device damage; Two volumes being the reduction of air channel in cabinet, make cold wind can limited passage in carry out necessary flowing and heat radiation, improve the speed that cold wind circulation exchanges, improve the efficiency cooled.In the preferred embodiment, for making to reduce eddy current in the air flow collection of ventilation, the position of lower ventilating opening 62, higher than the height of switching device module 5, namely descends ventilating opening 62 to be opened on the first lateral partitions 11.
It should be noted that, under the inspiration of the said structure of the present embodiment, those of ordinary skill in the art can also take the mode of the 5th cavity and the 6th cavity position being exchanged and structure, only needs corresponding change top fan outlet; Be located at above the first cavity by the 5th cavity, the 6th cavity is located at the top of the 3rd cavity, belongs to protection range of the present utility model too.
Further, in the preferred embodiment, be provided with guide assembly 9 in the 4th cavity, switching device module 5 is slidedly arranged in the 4th cavity by guide assembly 9.Because current transformer is compact, the installation of current transformer size restrictions switching device and line busbar thereof are installed, for ease of operation, the present embodiment adopts and switching device and its line is assembled into switching device module 5 in advance, and switching device module 5 is installed to assigned address by sliding the establishing of guide assembly 9 be contained in advance on rack.Be convenient to the installation and maintenance of switching device module 5.
Below be only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, not departing from the some improvements and modifications under the utility model principle prerequisite, protection range of the present utility model should be considered as.
Claims (8)
1. a compact current transformer, comprise cabinet (1), described cabinet (1) is provided with fan assembly (2), the first unsteady flow module (3), the second unsteady flow module (4), switching device module (5), it is characterized in that, four cavitys be separated are comprised in described cabinet (1), wherein the 4th cavity is positioned at the bottom of cabinet (1), and the first cavity, the second cavity and the 3rd cavity walk abreast and be arranged in the top of the 4th cavity; Described first unsteady flow module (3) is arranged in the first cavity, described second unsteady flow module (4) is arranged in the 3rd cavity, first module heat radiator of described first unsteady flow module (3), the second module heat radiator of the second unsteady flow module (4) are arranged in the second cavity, described fan assembly (2) is communicated with the second cavity, and described switching device module (5) is positioned at the 4th cavity; Described cabinet (1) on the left and right sidewall at the first cavity and the 3rd cavity place all symmetry offer the ventilating opening (6) for ventilation and heat.
2. compact current transformer according to claim 1, it is characterized in that, described first unsteady flow module (3) comprises the first external capacitor (31), described second unsteady flow module (4) comprises the second external capacitor (41), and described first external capacitor (31) and the second external capacitor (41) all correspondence are arranged at the top of the first unsteady flow module (3) and the second unsteady flow module (4).
3. compact current transformer according to claim 2, it is characterized in that, described first unsteady flow module (3) and the second unsteady flow module (4) are provided with low-inductance bus (7), and described first external capacitor (31) and the second external capacitor (41) are electrically connected by low-inductance bus (7).
4. compact current transformer according to claim 2, it is characterized in that, ventilating opening (6) on the left and right sidewall of described cabinet (1) includes ventilating opening (61) and lower ventilating opening (62), described upper ventilating opening (61) is arranged near the first external capacitor (31), the second external capacitor (41) respectively, and described lower ventilating opening (62) is arranged near the first unsteady flow module (3), the second unsteady flow module (4) respectively.
5. according to the compact current transformer in Claims 1 to 4 described in any one, it is characterized in that, described fan assembly (2) comprises induced draft fans, and described cabinet (1) top is provided with fan outlet, is provided with wind guide assemblies (8) in described second cavity; Cold wind enters after the first cavity and the 3rd cavity respectively through ventilating opening (6), to enter in the second cavity and to be discharged by fan assembly (2) after described wind guide assemblies (8) guiding.
6. according to the compact current transformer in Claims 1 to 4 described in any one, it is characterized in that, the 5th cavity that is provided with fan assembly (2) and the 6th cavity for installing Quadratic Finite Element device is also comprised in described cabinet (1), described 5th cavity is located at above the 3rd cavity, and described 6th cavity is located at the top of the first cavity.
7. compact current transformer according to claim 6, it is characterized in that, six cavitys of described cabinet (1) are separated by the first lateral partitions (11), the second lateral partitions (12), the 3rd lateral partitions (13) and the first vertical baffle (14) and the second vertical baffle (15).
8. according to the compact current transformer in Claims 1 to 4 described in any one, it is characterized in that, be provided with guide assembly (9) in described 4th cavity, described switching device module (5) is slidedly arranged in the 4th cavity by guide assembly (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866431.6U CN205105084U (en) | 2015-11-03 | 2015-11-03 | Compact converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866431.6U CN205105084U (en) | 2015-11-03 | 2015-11-03 | Compact converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205105084U true CN205105084U (en) | 2016-03-23 |
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ID=55520837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520866431.6U Active CN205105084U (en) | 2015-11-03 | 2015-11-03 | Compact converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205105084U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934113A (en) * | 2016-05-16 | 2016-09-07 | 丰郅(上海)新能源科技有限公司 | Heat dissipation device with waterproof function |
| WO2019184880A1 (en) * | 2018-03-29 | 2019-10-03 | 深圳市禾望电气股份有限公司 | Wind power converter and control system and control method for wind power converter |
-
2015
- 2015-11-03 CN CN201520866431.6U patent/CN205105084U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934113A (en) * | 2016-05-16 | 2016-09-07 | 丰郅(上海)新能源科技有限公司 | Heat dissipation device with waterproof function |
| CN105934113B (en) * | 2016-05-16 | 2020-06-26 | 丰郅(上海)新能源科技有限公司 | Heat dissipation device with waterproof function |
| WO2019184880A1 (en) * | 2018-03-29 | 2019-10-03 | 深圳市禾望电气股份有限公司 | Wind power converter and control system and control method for wind power converter |
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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: ZHUZHOU CSR TIMES ELECTRIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200414 Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Co-patentee after: GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE Co.,Ltd. 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: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. |
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| TR01 | Transfer of patent right |