CN105828560A - Inverter circuit board fixing structure - Google Patents
Inverter circuit board fixing structure Download PDFInfo
- Publication number
- CN105828560A CN105828560A CN201610403490.9A CN201610403490A CN105828560A CN 105828560 A CN105828560 A CN 105828560A CN 201610403490 A CN201610403490 A CN 201610403490A CN 105828560 A CN105828560 A CN 105828560A
- Authority
- CN
- China
- Prior art keywords
- pcb
- circuit board
- inverter circuit
- fixing structure
- board fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- H05K7/005—Constructional details common to different types of electric apparatus arrangements of circuit components without supporting structure
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Inverter Devices (AREA)
Abstract
The invention provides an inverter circuit board fixing structure which comprises a machine case shell and a PCB. Multiple limiting protrusions are arranged in the machine case shell, multiple limiting clamping slots are formed in the PCB, the positions of the limiting protrusions are in one-to-one correspondence with those of the limiting clamping slots, and the limiting protrusions are connected in the limiting clamping slots in a clamped mode. The inverter circuit board fixing structure can rapidly conduct positioning on the PCB and can effectively prevent the PCB from moving back and forth in the assembling process, therefore, the assembling speed can be effectively increased, and the production efficiency and the product quality can be effectively improved; meanwhile, by means of the inverter circuit board fixing structure, an inner cavity of the machine case shell only needs to be made to be in the same size as that of the PCB, so that not only can the appearance of an inverter be more attractive, but also the size of the machine case shell of the inverter can be effectively reduced, and the production cost is reduced.
Description
Technical field
The present invention relates to photovoltaic DC-to-AC converter, particularly to a kind of fixed structure for inverter circuit board.
Background technology
Along with the day by day shortage of the energy and day by day increasing the weight of of environmental pollution, clean energy resource, regenerative resource become the field that current countries in the world are given priority to, wherein photovoltaic power generation technology because of its there is green, environmental protection, the advantage such as renewable are increasingly subject to people's attention and welcome.In photovoltaic power generation technology, for the direct current energy that photovoltaic module produces being converted to the critical component that the inverter of AC energy is whole photovoltaic power generation technology.
Inverter mainly includes inverter shell and PCB two parts, and PCB is provided with inverter circuit, and PCB is fixed on inverter shell.In the prior art; PCB is eventful is directly anchored to inverter enclosure by screw; several support column would generally be set in inverter shell to support PCB, and screw hole is set on the support columns, the through hole corresponding with screw hole position is set in PCB simultaneously.When installing, PCB is placed in inverter shell, makes the through hole in PCB and the screw hole one_to_one corresponding on support column, be then attached by screw.But in the assembling process of reality, be difficult to make the through hole in PCB be mapped up and down with what the screw hole on support column settled at one go, the position of the most mobile PCB is needed when assembling.Thus bringing two defects: 1) assembling speed is slow, assembles the position that will constantly move PCB every time, makes the through hole in PCB corresponding with the screw hole position on support column, and built-up time is long, and production efficiency is low；2) move for the ease of PCB, it usually needs bigger gap is set between inverter outer casing inner wall and PCB, the size of inverter shell thus can be made to increase, production cost thus can be made to increase.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide and a kind of be capable of the inverter circuit board fixing structure that inverter interior circuit board is quickly fixed.
For achieving the above object and other relevant purposes, the present invention provides a kind of inverter circuit board fixing structure, including casing and PCB, described PCB is positioned at described casing, multiple spacing preiection it is provided with in described casing, described PCB is provided with the position one_to_one corresponding of multiple spacing draw-in groove, described spacing preiection and described spacing draw-in groove, and described spacing preiection is connected in described spacing draw-in groove.
Preferably, being provided with three spacing preiections in described casing, three spacing preiections are the most on the same line.
Preferably, described spacing preiection is arc-shaped, and described spacing draw-in groove is circular groove.
Preferably, described spacing preiection is connected with support column, and the height of described spacing preiection is higher than the height of described support column, and described support column is provided with screw hole, and described PCB is provided with the connection through hole corresponding with described screw hole position.
Preferably, described spacing preiection, support column are structure as a whole with described casing.
Preferably, the periphery that described PCB connects through hole is provided with annular grounding copper dish, and described annular grounding copper dish contacts with described support column.
As mentioned above, the inverter circuit board fixing structure of the present invention has the advantages that this inverter circuit board fixing structure arranges spacing preiection in casing, and the spacing draw-in groove corresponding with spacing preiection position is set in PCB simultaneously, so when PCB is fixed, just spacing draw-in groove can be fixed in only spacing preiection need to being stuck in spacing draw-in groove one to one, the most not only can quickly PCB be positioned, and can effectively prevent it from moving back and forth in an assembling process, therefore the speed of assembling can be effectively improved, it is effectively improved production efficiency and product quality；Using this structure, that the inner chamber of casing only need to do and PCB inner chamber is onesize, and the outward appearance that the most not only can make inverter is more beautiful, and can effectively reduce the volume of inverter casing, saves production cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the structural representation of embodiment of the present invention casing.
Fig. 3 is the structural representation of embodiment of the present invention spacing preiection.
Fig. 4 is the structural representation of embodiment of the present invention PCB.
Element numbers illustrates: 1, casing；11, spacing preiection；12, support column；13, screw hole；2, PCB；21, limited impression.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be understood other advantages and effect of the present invention easily by the content disclosed by this specification.
Refer to Fig. 1 to Fig. 4.Notice, structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to coordinate the content disclosed in description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of the present invention, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still fall in the range of disclosed technology contents obtains and can contain.Simultaneously, in this specification cited as " on ", D score, "left", "right", the term of " middle " and " " etc., it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of the present invention, being altered or modified of its relativeness, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in fig. 1, the present invention provides a kind of inverter circuit board fixing structure, and it includes casing 1 and PCB 2, and casing 1 uses aluminum alloy material.PCB 2 is positioned at casing 1, and the circuit in PCB 2 is prior art, therefore is not described in detail at this.
As shown in Figure 2,3, 4, multiple spacing preiection 11 it is provided with in casing 1, PCB 2 is provided with multiple spacing draw-in groove 21, spacing preiection 11 and the position one_to_one corresponding of spacing draw-in groove 21, when PCB 2 is fixed in casing 1, spacing preiection 11 is connected in spacing draw-in groove 21, is so prevented from PCB 2 and moves back and forth in casing 1, makes pcb board be fixed in casing 1.As a kind of detailed description of the invention, can be provided with three spacing preiections 11 in casing 1, and three limit convexes 11 are the most on the same line, according to 3 principles determining a plane, by three spacing preiections 11, just PCB 2 can be limited in casing 1.For the ease of installing, spacing preiection 11 may be configured as in arc-shaped, and spacing draw-in groove 21 is set to circular groove, so can be connected in limited impression 21 by spacing preiection 11 very easily.For the ease of processing, spacing preiection 11 is arranged on the sidewall of casing 1, and spacing draw-in groove 21 is arranged on the edge of PCB.
After PCB 2 is limited in casing 1, in order to PCB 2 is fixed with casing 1, support column 12 can be set on spacing preiection 11, spacing preiection 11 is connected with support column 12, the height of spacing preiection 11 should be higher than that the height of support column 12, so PCB 2 can be positioned, it can be made again to be supported on support column 12.Support column 12 is provided with screw hole 13, should arrange the connection through hole corresponding with screw hole position simultaneously, so just can PCB be fixed together with casing 1 by screw in PCB.
As a kind of optimal way, spacing preiection 11, support column 12 are structure as a whole with casing 1.The periphery that simultaneously can connect through hole in PCB is provided with annular grounding copper dish, when PCB 2 is fixed in casing 1, annular grounding copper dish contacts with support column 12, the circuit in PCB 2 so can be made preferably to be connected to ground, can effectively prevent circuit from being disturbed by outer signals.
This inverter circuit board fixing structure arranges spacing preiection in casing, and the spacing draw-in groove corresponding with spacing preiection position is set in PCB simultaneously, so when PCB is fixed, just spacing draw-in groove can be fixed in only spacing preiection need to being stuck in spacing draw-in groove one to one, the most not only can quickly PCB be positioned, and can effectively prevent it from moving back and forth in an assembling process, therefore the speed of assembling be can be effectively improved, production efficiency and product quality are effectively improved；Using this structure, that the inner chamber of casing only need to do and PCB inner chamber is onesize, and the outward appearance that the most not only can make inverter is more beautiful, and can effectively reduce the volume of inverter casing, saves production cost simultaneously.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by any person skilled in the art.Therefore, art has all equivalence modification or changes that usually intellectual is completed under without departing from disclosed spirit and technological thought such as, must be contained by the claim of the present invention.
Claims (6)
1. an inverter circuit board fixing structure, including casing and PCB, described PCB is positioned at described casing, it is characterized in that: in described casing, be provided with multiple spacing preiection, described PCB is provided with multiple spacing draw-in groove, described spacing preiection and the position one_to_one corresponding of described spacing draw-in groove, described spacing preiection is connected in described spacing draw-in groove.
Inverter circuit board fixing structure the most according to claim 1, it is characterised in that: being provided with three spacing preiections in described casing, three spacing preiections are the most on the same line.
Inverter circuit board fixing structure the most according to claim 1, it is characterised in that: described spacing preiection is arc-shaped, and described spacing draw-in groove is circular groove.
Inverter circuit board fixing structure the most according to claim 1, it is characterized in that: described spacing preiection is connected with support column, the height of described spacing preiection is higher than the height of described support column, described support column is provided with screw hole, and described PCB is provided with the connection through hole corresponding with described screw hole position.
Inverter circuit board fixing structure the most according to claim 4, it is characterised in that: described spacing preiection, support column are structure as a whole with described casing.
Inverter circuit board fixing structure the most according to claim 5, it is characterised in that: the periphery connecting through hole in described PCB is provided with annular grounding copper dish, and described annular grounding copper dish contacts with described support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403490.9A CN105828560B (en) | 2016-06-08 | 2016-06-08 | A kind of inverter circuit board fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403490.9A CN105828560B (en) | 2016-06-08 | 2016-06-08 | A kind of inverter circuit board fixing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105828560A true CN105828560A (en) | 2016-08-03 |
| CN105828560B CN105828560B (en) | 2019-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610403490.9A Active CN105828560B (en) | 2016-06-08 | 2016-06-08 | A kind of inverter circuit board fixing structure |
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| CN (1) | CN105828560B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020056947A1 (en) * | 2018-09-21 | 2020-03-26 | 珠海格力电器股份有限公司 | Controller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2790110Y (en) * | 2005-04-29 | 2006-06-21 | 仪宝资讯股份有限公司 | PC board and frame combination structure |
| US20140184901A1 (en) * | 2012-12-28 | 2014-07-03 | Hon Hai Precision Industry Co., Ltd. | Mounting device for camera module |
| CN205694021U (en) * | 2016-06-08 | 2016-11-16 | 苏州欧姆尼克新能源科技有限公司 | A kind of inverter circuit board fixing structure |
-
2016
- 2016-06-08 CN CN201610403490.9A patent/CN105828560B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2790110Y (en) * | 2005-04-29 | 2006-06-21 | 仪宝资讯股份有限公司 | PC board and frame combination structure |
| US20140184901A1 (en) * | 2012-12-28 | 2014-07-03 | Hon Hai Precision Industry Co., Ltd. | Mounting device for camera module |
| CN205694021U (en) * | 2016-06-08 | 2016-11-16 | 苏州欧姆尼克新能源科技有限公司 | A kind of inverter circuit board fixing structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020056947A1 (en) * | 2018-09-21 | 2020-03-26 | 珠海格力电器股份有限公司 | Controller |
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| Publication number | Publication date |
|---|---|
| CN105828560B (en) | 2019-09-03 |
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Effective date of registration: 20210127 Address after: 315700 No.25, group 7, Paitou village, Xizhou Town, Xiangshan County, Ningbo City, Zhejiang Province Patentee after: Wu Xu Address before: 215000 room 314, building A4, bio nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Patentee before: OMNIK NEW ENERGY Co.,Ltd. |
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Effective date of registration: 20210220 Address after: 315700 No.57 jintongdao, Binhai Industrial Park, Xiangshan Economic Development Zone, Ningbo City, Zhejiang Province Patentee after: Jinlang Technology Co., Ltd Address before: 315700 No.25, group 7, Paitou village, Xizhou Town, Xiangshan County, Ningbo City, Zhejiang Province Patentee before: Wu Xu |
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