CN104467658A - Double-voltage output photovoltaic junction box - Google Patents
Double-voltage output photovoltaic junction box Download PDFInfo
- Publication number
- CN104467658A CN104467658A CN201410635975.1A CN201410635975A CN104467658A CN 104467658 A CN104467658 A CN 104467658A CN 201410635975 A CN201410635975 A CN 201410635975A CN 104467658 A CN104467658 A CN 104467658A
- Authority
- CN
- China
- Prior art keywords
- junction box
- binding post
- box body
- post
- guide electrode
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 46
- 238000009413 insulation Methods 0.000 claims description 19
- 230000009977 dual effect Effects 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a double-voltage output photovoltaic junction box. The double-voltage output photovoltaic junction box comprises a junction box body and a junction box cover arranged at the top of the junction box body, an output line is arranged on one side of the junction box body, a solar assembly leading-out line inlet connected with a solar battery pack is formed in the bottom of the junction box body, a voltage selection pulling switch is arranged on the junction box cover, and a first binding post, a second binding post, a third binding post, a fourth binding post, a positive pole power output hole post and a negative pole power output hole post are arranged in the junction box body. The first binding post is connected with the negative pole power output hole post through a metallic conduction strip, and the fourth binding post is connected with the positive pole power output hole post through a counter-charging-preventing diode. An isolation voltage switching plate is arranged between the second binding post and the third binding post in a sliding mode and electrically connected with the voltage selection pulling switch. The double-voltage output photovoltaic junction box has the advantages that two voltages can be selectively output, the structure is simple, and use is convenient.
Description
Technical field
The present invention relates to a kind of solar photovoltaic assembly electric power output equipment, is specifically a kind of dual output photovoltaic junction box.
Background technology
Along with the progress of society, the mode of tourism that increasing people selects outdoor travel to camp etc. to get close to nature.In camping out of doors, most headache be exactly electrical problems, the mobile terminals such as various computer, mobile phone are all be unable to do without due to the modern life, once equipment does not have electricity, very large inconvenience will be brought to journey, journey can be made to become shortage entertaining, or sometimes want help, and equipment does not have the words of electricity just cannot contact the external world.So will become extremely important at convenient, the reliable power supply equipment of outfit in way of camping.As long as and solar energy power generating has the features such as light just can generate electricity because it is safe, reliable, easy to carry, like by the fan that more and more camps.
But middle electrical appliance of camping is more assorted, people often use flashlight, intercom and various mobile communication equipment, and the utilization voltage grade of these equipment incomplete same, this brings very burden to charging.Because current low profile photovoltaic assembly on the market all only has an electric pressure to export substantially, be commonly 6V, 12V or 24V.If will charge for distinct electronic apparatuses, sometimes also need to bring two pieces of solar cells, this brings very big inconvenience to camping.
Therefore, for avoiding above-mentioned technical problem, necessaryly providing a kind of and selectivity can export the solar module of two kinds of voltages, to overcome described defect of the prior art.
Summary of the invention
In view of the defect of above-mentioned prior art, the object of the invention is to: a kind of dual output photovoltaic junction box that can export two kinds of voltages is provided.
Technical solution of the present invention is: dual output photovoltaic junction box, comprise junction box body and be arranged on the connector cover at junction box body top, the side of described junction box body is provided with output line, the bottom of described junction box body is provided with the solar components lead-out wire entrance connecting solar battery group, described connector cover is provided with voltage and selects toggle switch, in described junction box body, be provided with the first binding post, the second binding post, the 3rd binding post, the 4th binding post, cathode power supply delivery outlet post and negative power supply delivery outlet post; Described first binding post is connected with negative power supply delivery outlet post by metal conductive strips, and described 4th binding post is connected with cathode power supply delivery outlet post by an anti-reverse charging diode; Slide between described second binding post and the 3rd binding post and be provided with insulation voltage switch boards, described insulation voltage switch boards and voltage select toggle switch to be electrically connected.
Further, described insulation voltage switch boards is provided with the first metal guide electrode, the second metal guide electrode, the 3rd metal guide electrode, the 4th metal guide electrode.
Further, described first metal guide electrode and the second metal guide electrode mutual conduction.
Further, described 3rd metal guide electrode is by metal conductive strips and the 4th binding post conducting.
Further, described 4th metal guide electrode is by metal conductive strips and the first binding post conducting.
Further, the outer wall of described junction box body is provided with reinforcement.
Apply dual output photovoltaic junction box provided by the present invention, its beneficial effect is: the second binding post in junction box body and between the 3rd binding post slide be provided with insulation voltage switch boards, and the insulation voltage switch boards on connector cover selects toggle switch to be electrically connected with voltage, during use, switched voltage selects toggle switch, by switching insulation voltage switch boards, the connection in series-parallel connected mode of solar battery group is changed, thus reach the change of output voltage parameter, and structure is simple, easy to use.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is internal structure schematic diagram of the present invention;
Fig. 3 is a kind of using state figure of the present invention;
Fig. 4 is another kind of using state figure of the present invention;
Fig. 5 is a circuit diagram of the present invention;
Fig. 6 is another circuit diagram of the present invention;
Fig. 7 is the structural scheme of mechanism of insulation voltage switch boards of the present invention.
Shown in figure: 1-junction box body, 2-connector cover, 3-output line, 4-solar components lead-out wire entrance, 5-voltage selects toggle switch, 6-first binding post, 7-second binding post, 8-the 3rd binding post, 9-the 4th binding post, 10-cathode power supply delivery outlet post, 11-negative power supply delivery outlet post, 12-metal conductive strips, 13-anti-reverse charging diode, 14-insulation voltage switch boards, 15-first metal guide electrode, 16-second metal guide electrode, 17-the 3rd metal guide electrode, 18-the 4th metal guide electrode, 19-reinforcement.
Embodiment
For more intuitively, intactly understanding technical scheme of the present invention, existing just to carry out nonrestrictive feature description in conjunction with accompanying drawing of the present invention as follows:
As shown in Fig. 1-Fig. 7, dual output photovoltaic junction box, comprise junction box body 1 and be arranged on the connector cover 2 at junction box body 1 top, the side of junction box body 1 is provided with output line 3, the bottom of junction box body 1 is provided with the solar components lead-out wire entrance 4 connecting solar battery group, connector cover 2 is provided with voltage and selects toggle switch 5, in junction box body 1, be provided with the first binding post 6, second binding post 7, the 3rd binding post 8, the 4th binding post 9, cathode power supply delivery outlet post 10 and negative power supply delivery outlet post 11; First binding post 6 is connected with negative power supply delivery outlet post 11 by metal conductive strips 12, and the 4th binding post 9 is connected with cathode power supply delivery outlet post 10 by an anti-reverse charging diode 13; Slide between second binding post 7 and the 3rd binding post 8 and be provided with insulation voltage switch boards 14, insulation voltage switch boards 14 and voltage select toggle switch 5 to be electrically connected.
Insulation voltage switch boards 14 is provided with the first metal guide electrode 15, second metal guide electrode 16, the 3rd metal guide electrode 17, the 4th metal guide electrode 18; First metal guide electrode 15 and the second metal guide electrode 16 mutual conduction; 3rd metal guide electrode 17 is by metal conductive strips 12 and the 4th binding post 9 conducting; 4th metal guide electrode 18 is by metal conductive strips 12 and the first binding post 6 conducting.
The outer wall of junction box body 1 is provided with reinforcement 19, improves the overall construction intensity of junction box body 1.
Again as shown in Figure 3, when voltage selects toggle switch 5 to toggle it to the left side, insulation voltage switch boards 14 is also pulled to Far Left, now the first metal guide electrode 15 communicates with the 3rd binding post 8, second metal guide electrode 16 communicates with the second binding post 7, and because the first metal guide electrode 15 and the second metal guide electrode 16 are conductings, is namely equivalent to the second binding post 7 and the 3rd binding post 8 is conductings, thus make serial battery, as shown in the equivalent circuit diagram of Fig. 5.
Again as shown in Figure 4, when voltage selects toggle switch 5 to toggle it to the right, insulation voltage switch boards 14 is also pulled to rightmost, now the 3rd metal guide electrode 17 communicates with the second binding post 7,4th metal guide electrode 18 communicates with the 3rd binding post 8, because the 3rd metal guide electrode 17 and the 4th binding post 9 are conductings, 4th metal guide electrode 18 and the first binding post 6 are conductings, communicate so be just equivalent to the first binding post 6 with the 3rd binding post 8, second binding post 7 communicates with the 4th binding post 9, thus make cell parallel, as shown in the equivalent circuit diagram of Fig. 6.
Dual output photovoltaic junction box provided by the present invention, the second binding post 7 in junction box body 1 and between the 3rd binding post 8 slide be provided with insulation voltage switch boards 14, and the insulation voltage switch boards 14 on connector cover 2 selects toggle switch 5 to be electrically connected with voltage, during use, switched voltage selects toggle switch 5, by switching insulation voltage switch boards 14, the connection in series-parallel connected mode of solar battery group is changed, thus reach the change of output voltage parameter, and structure is simple, easy to use.
Certainly; these are only preferred embodiment of the present invention; non-ly therefore namely limit to the scope of the claims of the present invention, all utilizations specification of the present invention and graphic content institute be simple and easy modification and equivalent structure change for it, all should in like manner be contained within scope of patent protection of the present invention.
Claims (6)
1. dual output photovoltaic junction box, comprise junction box body and be arranged on the connector cover at junction box body top, the side of described junction box body is provided with output line, and the bottom of described junction box body is provided with the solar components lead-out wire entrance connecting solar battery group, it is characterized in that:
Described connector cover is provided with voltage and selects toggle switch, in described junction box body, be provided with the first binding post, the second binding post, the 3rd binding post, the 4th binding post, cathode power supply delivery outlet post and negative power supply delivery outlet post;
Described first binding post is connected with negative power supply delivery outlet post by metal conductive strips, and described 4th binding post is connected with cathode power supply delivery outlet post by an anti-reverse charging diode;
Slide between described second binding post and the 3rd binding post and be provided with insulation voltage switch boards, described insulation voltage switch boards and voltage select toggle switch to be electrically connected.
2. dual output photovoltaic junction box according to claim 1, is characterized in that: described insulation voltage switch boards is provided with the first metal guide electrode, the second metal guide electrode, the 3rd metal guide electrode and the 4th metal guide electrode.
3. dual output photovoltaic junction box according to claim 1, is characterized in that: described first metal guide electrode and the second metal guide electrode mutual conduction.
4. dual output photovoltaic junction box according to claim 1 and 2, is characterized in that: described 3rd metal guide electrode is by metal conductive strips and the 4th binding post conducting.
5. dual output photovoltaic junction box according to claim 1 and 2, is characterized in that: described 4th metal guide electrode is by metal conductive strips and the first binding post conducting.
6. dual output photovoltaic junction box according to claim 1, is characterized in that: the outer wall of described junction box body is provided with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635975.1A CN104467658A (en) | 2014-11-07 | 2014-11-07 | Double-voltage output photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635975.1A CN104467658A (en) | 2014-11-07 | 2014-11-07 | Double-voltage output photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104467658A true CN104467658A (en) | 2015-03-25 |
Family
ID=52913153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410635975.1A Pending CN104467658A (en) | 2014-11-07 | 2014-11-07 | Double-voltage output photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104467658A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571669A (en) * | 2016-11-03 | 2017-04-19 | 东莞市哈维电子科技有限公司 | Battery switching device |
| WO2020133576A1 (en) * | 2018-12-29 | 2020-07-02 | 浙江鼎能电气有限公司 | Multi-voltage output general-purpose battery pack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566533Y (en) * | 2002-07-30 | 2003-08-13 | 代辉 | Portable multifunctional solar power supply device |
| CN201041902Y (en) * | 2006-06-22 | 2008-03-26 | 王玉珍 | Portable power supply device |
| CN202855768U (en) * | 2012-09-10 | 2013-04-03 | 江苏核新太阳能电力有限公司 | Dual-output junction box |
| CN203788237U (en) * | 2014-04-10 | 2014-08-20 | 北京汉能光伏投资有限公司 | Junction box and solar cell device |
-
2014
- 2014-11-07 CN CN201410635975.1A patent/CN104467658A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566533Y (en) * | 2002-07-30 | 2003-08-13 | 代辉 | Portable multifunctional solar power supply device |
| CN201041902Y (en) * | 2006-06-22 | 2008-03-26 | 王玉珍 | Portable power supply device |
| CN202855768U (en) * | 2012-09-10 | 2013-04-03 | 江苏核新太阳能电力有限公司 | Dual-output junction box |
| CN203788237U (en) * | 2014-04-10 | 2014-08-20 | 北京汉能光伏投资有限公司 | Junction box and solar cell device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571669A (en) * | 2016-11-03 | 2017-04-19 | 东莞市哈维电子科技有限公司 | Battery switching device |
| CN106571669B (en) * | 2016-11-03 | 2023-08-08 | 东莞市麦斯莫科电子科技有限公司 | Battery switching device |
| WO2020133576A1 (en) * | 2018-12-29 | 2020-07-02 | 浙江鼎能电气有限公司 | Multi-voltage output general-purpose battery pack |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |