CN112104195A - Device current conversion module structural design is administered to high protection low voltage - Google Patents
Device current conversion module structural design is administered to high protection low voltage Download PDFInfo
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- CN112104195A CN112104195A CN202010942992.5A CN202010942992A CN112104195A CN 112104195 A CN112104195 A CN 112104195A CN 202010942992 A CN202010942992 A CN 202010942992A CN 112104195 A CN112104195 A CN 112104195A
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- module
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- treatment device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a structural design of a current conversion module of a high-protection low-voltage treatment device, which comprises an internal circuit board, a built-in heat flow equalizing fan, a main radiating fin, an inverter inductance encapsulating box, a module upper cover, a Bluetooth board, an external interface, a common mode and a network side inductance encapsulating box. The internal circuit board comprises a power module, an electrolytic capacitor plate, a power supply plate and a filter plate. The power module is vertically connected with the main radiating fin and is arranged on the upper part of the module; the electrolytic capacitor plate, the filter plate and the power supply plate are arranged at the lower part of the module; the built-in flow equalizing fan is arranged at the middle lower part of the module cavity; the inversion inductor encapsulation box is arranged at the middle lower part of the back surface of the module cavity; the common mode and network side inductance encapsulation box is arranged at the lower part of the back of the module cavity; the external interface is arranged at the bottom of the module; the Bluetooth plate is arranged at the middle lower part of the module upper cover. The invention adopts a natural heat radiation design mode, and carries out high protection level design on the shell and the interface, so that the converter module has the advantages of high protection capability, high reliability, easy maintenance and the like.
Description
Technical Field
The invention relates to the technical field of power quality treatment, in particular to a structural design of a current conversion module of a high-protection low-voltage treatment device.
Background
In rural power grids, especially in remote mountain areas, the problem of insufficient voltage supply of end users of lines often occurs due to limitations of user distribution and power supply areas, so that the end users of the lines are difficult to work normally, the lives of residents are affected, and complaints to power supply bureaus are increased.
The device is administered to common low-voltage is generally for machinery to throw the formula of cutting, and the device is administered to low-voltage has an adjustable transformer, and in the transformer series access circuit, the transformer has a plurality of gears, according to the condition of inserting grid voltage, adjusts the transformer gear to reach the terminal low-voltage's of lifting effect. Because the mechanical switching type low-voltage treatment device has poor adjustment precision and slow response speed, the low-voltage treatment device partially utilizing the power electronic technology also appears, namely a mode of a converter module and a transformer is adopted, and the mode generally adopts a structure of an air-cooled heat dissipation module and a chassis, so that the device is convenient for outdoor use. However, with this configuration, the air-cooled heat dissipation fan requires regular maintenance and replacement, which increases the cost of the apparatus both manually and economically.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides a structural design of a commutation module of a high-protection low-voltage treatment device, which adopts a natural heat dissipation design mode and carries out waterproof and dustproof design on a shell.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a high protection low voltage administers device change of current modular structure design, includes inside circuit board, built-in heat flow equalizing fan, main heat dissipation piece, contravariant inductance potting box, module upper cover, bluetooth board, external interface, common mode and net side inductance potting box.
The internal circuit board includes: power module, electrolytic capacitor board, power strip, filtering board.
The internal connection relationship of the current conversion module of the low-voltage treatment device is as follows: the power module is vertically connected with the main radiating fin and is arranged on the upper part of the module; the electrolytic capacitor plate, the filter plate and the power supply plate are arranged at the lower part of the module; the built-in flow equalizing fan is arranged at the middle lower part of the module cavity; the inversion inductor encapsulation box is arranged at the middle lower part of the back surface of the module cavity; the common mode and network side inductance encapsulation box is arranged at the lower part of the back of the module cavity; the external interface is arranged at the bottom of the module; the Bluetooth plate is arranged at the middle lower part of the module upper cover.
Further, the height of the fins of the main heat dissipation sheet is 75mm, and the fin spacing is 11.5 mm.
Furthermore, the heat dissipation mode of the low-voltage treatment device module is natural heat dissipation.
Further, the compression amount of the sealing strip of the module of the low-voltage treatment device is between 1 and 2 mm; an integrated sealing strip is used between the module upper cover and the box body, so that all-dimensional dust and water prevention is ensured; and a silicon rubber sealing strip is used between the module box body and the main radiating fin, so that high protection effects of high temperature resistance and corrosion resistance of the whole machine are guaranteed.
Furthermore, the external interface of the low-voltage treatment device module comprises a voltage acquisition interface and a current acquisition interface, and the protection grade of an incoming and outgoing line terminal used by the connector reaches IP 67.
Further, the protection level of the low-voltage treatment device module reaches IP 66.
The invention has the beneficial technical effects that: the converter module is designed in a natural heat dissipation mode, and the shell and the interface are designed in a high protection level, so that the converter module has the advantages of high protection capability, high reliability, easiness in maintenance and the like.
Drawings
Fig. 1 is a circuit layout diagram of a commutation module of a low voltage treatment device provided by the invention.
Fig. 2 is a side view of a commutation module of the low voltage treatment device provided by the present invention.
Fig. 3 is a terminal view of a commutation module of the low voltage treatment device provided by the invention.
Description of reference numerals: the power module is 1, the electrolytic capacitor plate is 2, the power panel is 3, the filter plate is 4, the internal fan is 5, the main radiating fin is 6, the inverter inductance encapsulating box is 7, the module upper cover is 8, the Bluetooth board is 9, the external interface is 10, and the common mode and network side inductance encapsulating box is 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Examples are given.
As shown in fig. 1, 1 is a power module of a commutation module, which includes a core board and a power board; 2 is an electrolytic capacitor plate of the commutation module; 3 is a power panel of the commutation module; 4 is a filter plate of the current conversion module; 5 is a built-in heat flow equalizing fan of the current conversion module. Each plate and fan in the current conversion module are reasonably distributed, so that the influence of mutual electromagnetic interference and the like is avoided, the size of equipment is reduced, and the hardware guarantee is provided for the reliable operation of the low-voltage treatment device. The built-in fan is favorable to accelerating the heat flow in the module, and the condition that the local temperature in the module is too high is avoided to a great extent.
As shown in fig. 2, 6 is a main heat dissipation fin of the commutation module, fins of the heat dissipation fin are vertical in direction and conical in shape, so that the commutation module is convenient to process and manufacture, the back of the heat dissipation fin is an IGBT with large heat productivity, the IGBT can generate more heat in the conduction and switching processes, heat-conducting silicone grease is coated between the IGBT and the heat dissipation fin to reduce the contact thermal resistance between the IGBT and the surface of the heat dissipation fin, and the IGBT can naturally dissipate heat through the heat dissipation fin; and 7, an inverter inductor is embedded in the encapsulation box, and the encapsulation box is filled with encapsulation glue, so that the inverter inductor has the effects of insulation and accelerated heat dissipation.
As shown in fig. 3, the whole case is designed to be airtight, 8 is an upper cover of the commutation module, is made of cold plate powder spraying material, is flat in shape, and covers a lower case of the case body, and sealing strips are adhered to the periphery of the upper cover for improving the waterproof and dustproof performance of the commutation module; 9 is a bluetooth plate of the converter device, which is arranged in the converter module; 10 is an external interface of the converter device, which comprises a voltage acquisition interface and a current acquisition interface, wherein an IP67 protection grade terminal is adopted at a joint to meet the requirement of a low-voltage treatment equipment module on high protection grade; and 11, a common mode and network side inductor encapsulation box is adopted, and horizontal radiating fins are additionally arranged outside the encapsulation box, so that the radiating area is increased, and the radiating of the common mode and network side inductors is accelerated. This scheme mainly realizes nature heat dissipation through the use of the rational layout and the fin to the device that generates heat.
The above-mentioned embodiments are illustrative of the specific embodiments of the present invention, and are not restrictive, and those skilled in the relevant art can make various changes and modifications to obtain corresponding equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a high protection low voltage administers device change of current modular structure design which characterized in that, includes inside circuit board, built-in heat flow equalizing fan, main radiating fin, contravariant inductance encapsulating box, module upper cover, bluetooth board, external interface, common mode and net side inductance encapsulating box.
The internal circuit board includes: the power module, the electrolytic capacitor plate, the power supply plate and the filter plate;
the internal connection relationship of the current conversion module of the low-voltage treatment device is as follows: the power module is vertically connected with the main radiating fin and is arranged on the upper part of the module; the electrolytic capacitor plate, the filter plate and the power supply plate are arranged at the lower part of the module; the built-in flow equalizing fan is arranged at the middle lower part of the module cavity; the inversion inductor encapsulation box is arranged at the middle lower part of the back surface of the module cavity; the common mode and network side inductance encapsulation box is arranged at the lower part of the back of the module cavity; the external interface is arranged at the bottom of the module; the Bluetooth plate is arranged at the middle lower part of the module upper cover.
2. The structural design of a commutation module of a high-protection low-voltage treatment device according to claim 1, wherein the height of the fins of the main heat dissipation fins is 75mm, and the distance between the fins is 11.5 mm.
3. The structural design of a high-protection low-voltage treatment device commutation module of claim 1, wherein the heat dissipation mode of the low-voltage treatment device module is natural heat dissipation.
4. The structural design of the commutation module of the high-protection low-voltage governance device according to claim 1, wherein the compression amount of the sealing strip of the module of the low-voltage governance device is between 1 mm and 2 mm; an integrated sealing strip is used between the module upper cover and the box body, so that all-dimensional dust and water prevention is ensured; and a silicon rubber sealing strip is used between the module box body and the main radiating fin, so that high protection effects of high temperature resistance and corrosion resistance of the whole machine are guaranteed.
5. The structural design of a commutation module of a high-protection low-voltage governance device according to claim 1, wherein the external interfaces of the low-voltage governance device module comprise a voltage acquisition interface and a current acquisition interface, and the protection level of an incoming and outgoing line terminal used by a connector reaches IP 67.
6. The structural design of a high-protection low-voltage treatment device commutation module of claim 1, wherein the protection level of the low-voltage treatment device module reaches IP 66.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010942992.5A CN112104195A (en) | 2020-09-09 | 2020-09-09 | Device current conversion module structural design is administered to high protection low voltage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010942992.5A CN112104195A (en) | 2020-09-09 | 2020-09-09 | Device current conversion module structural design is administered to high protection low voltage |
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| CN112104195A true CN112104195A (en) | 2020-12-18 |
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| CN202010942992.5A Pending CN112104195A (en) | 2020-09-09 | 2020-09-09 | Device current conversion module structural design is administered to high protection low voltage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507221A (en) * | 2021-08-20 | 2021-10-15 | 青岛鼎信通讯股份有限公司 | Be applied to rectification contravariant equipment that low voltage administered |
| CN113692192A (en) * | 2021-08-20 | 2021-11-23 | 青岛鼎信通讯股份有限公司 | Natural heat dissipation distributed active unbalance compensation device case |
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| CN201789431U (en) * | 2010-08-04 | 2011-04-06 | 苏州西典机电有限公司 | General inverter module |
| CN102291957A (en) * | 2011-07-26 | 2011-12-21 | 阳光电源股份有限公司 | Outdoor power supply box |
| CN202737755U (en) * | 2012-06-15 | 2013-02-13 | 浙江埃菲生能源科技有限公司 | Inverter heat dissipation device of built-in inductor |
| CN104202953A (en) * | 2014-09-24 | 2014-12-10 | 广州三晶电气有限公司 | Heat dissipation device and method for photovoltaic grid-connected inverter |
| CN204145312U (en) * | 2014-10-11 | 2015-02-04 | 广州三晶电气有限公司 | A kind of three-phase photovoltaic grid-connected inverting device |
| CN206099764U (en) * | 2016-05-18 | 2017-04-12 | 山东朗进科技股份有限公司 | Double - circuit BUCK power structure |
| CN207720034U (en) * | 2017-12-04 | 2018-08-10 | 厦门科华恒盛股份有限公司 | A kind of topology layout of photovoltaic energy storage inverter |
| CN109962481A (en) * | 2019-04-09 | 2019-07-02 | 深圳市恩玖科技有限公司 | A kind of free-standing three level parallel type active power quality devices of three-phase |
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2020
- 2020-09-09 CN CN202010942992.5A patent/CN112104195A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201789431U (en) * | 2010-08-04 | 2011-04-06 | 苏州西典机电有限公司 | General inverter module |
| CN102291957A (en) * | 2011-07-26 | 2011-12-21 | 阳光电源股份有限公司 | Outdoor power supply box |
| CN202737755U (en) * | 2012-06-15 | 2013-02-13 | 浙江埃菲生能源科技有限公司 | Inverter heat dissipation device of built-in inductor |
| CN104202953A (en) * | 2014-09-24 | 2014-12-10 | 广州三晶电气有限公司 | Heat dissipation device and method for photovoltaic grid-connected inverter |
| CN204145312U (en) * | 2014-10-11 | 2015-02-04 | 广州三晶电气有限公司 | A kind of three-phase photovoltaic grid-connected inverting device |
| CN206099764U (en) * | 2016-05-18 | 2017-04-12 | 山东朗进科技股份有限公司 | Double - circuit BUCK power structure |
| CN207720034U (en) * | 2017-12-04 | 2018-08-10 | 厦门科华恒盛股份有限公司 | A kind of topology layout of photovoltaic energy storage inverter |
| CN109962481A (en) * | 2019-04-09 | 2019-07-02 | 深圳市恩玖科技有限公司 | A kind of free-standing three level parallel type active power quality devices of three-phase |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507221A (en) * | 2021-08-20 | 2021-10-15 | 青岛鼎信通讯股份有限公司 | Be applied to rectification contravariant equipment that low voltage administered |
| CN113692192A (en) * | 2021-08-20 | 2021-11-23 | 青岛鼎信通讯股份有限公司 | Natural heat dissipation distributed active unbalance compensation device case |
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Application publication date: 20201218 |
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