CN217159645U - Low-voltage packaging type photovoltaic junction box - Google Patents
Low-voltage packaging type photovoltaic junction box Download PDFInfo
- Publication number
- CN217159645U CN217159645U CN202123131250.3U CN202123131250U CN217159645U CN 217159645 U CN217159645 U CN 217159645U CN 202123131250 U CN202123131250 U CN 202123131250U CN 217159645 U CN217159645 U CN 217159645U
- Authority
- CN
- China
- Prior art keywords
- connecting column
- female
- junction box
- upper cover
- lower cover
- 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.)
- Active
Links
Images
Classifications
-
- 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)
Abstract
The utility model discloses a low-voltage packaging type photovoltaic junction box, which comprises an upper cover, a middle frame and a lower cover; the upper surface of the lower cover is provided with a plurality of connecting column female heads, and the lower surface of the upper cover is provided with a plurality of connecting column male heads matched with the connecting column female heads; the female head of the connecting column is columnar, a central hole is formed in the center of the female head of the connecting column, and a second annular groove is formed in the top of the female head of the connecting column; the male head of the connecting column comprises a first column body, a first annular groove and a first annular bulge, the first column body is matched with the central hole, and the first annular bulge is matched with the second annular groove; the female joint of the connecting column is connected with the male joint of the connecting column through ultrasonic welding. This device is a low pressure encapsulation formula photovoltaic terminal box, adopts the design of the syllogic that upper cover, center, lower cover link to each other to through the structure that dedicated spliced pole male head and spliced pole female head match of design, rethread ultrasonic welding technique can realize the high-speed joint between upper cover and the lower cover.
Description
Technical Field
The utility model relates to a low pressure encapsulation formula photovoltaic terminal box.
Background
The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell modules and the solar charging control device, and is mainly used for connecting and protecting the solar cell modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules.
The common connecting structure of the photovoltaic junction box is characterized in that the shell and the upper cover are connected in a clamping mode, the connecting efficiency is low, and the clamping position is easy to break.
In actual use, the photovoltaic junction box under many conditions does not need to be opened for maintenance, and the photovoltaic junction box connected through the clamping is often higher in cost, and under the scene of large-scale use, the cost of the photovoltaic power station is easily caused to rise excessively.
In view of the above circumstances, it is a certain market prospect to develop a photovoltaic terminal box that can connect fast and stable in structure, reliable.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is in order to solve the not enough of above prior art, provides a low pressure encapsulation formula photovoltaic terminal box, can high-efficient quick encapsulate photovoltaic terminal box.
A low-voltage packaging type photovoltaic junction box comprises an upper cover, a middle frame and a lower cover; the upper surface of the lower cover is provided with a plurality of connecting column female heads, and the lower surface of the upper cover is provided with a plurality of connecting column male heads matched with the connecting column female heads;
the connecting column female head is columnar, a central hole is formed in the center of the connecting column female head, and a second annular groove is formed in the top of the connecting column female head;
the male head of the connecting column comprises a first column body, a first annular groove and a first annular bulge, the first column body is matched with the central hole, and the first annular bulge is matched with the second annular groove;
the female joint of the connecting column is connected with the male joint of the connecting column through ultrasonic welding.
Furthermore, the number of the male heads of the connecting columns is eight.
Further, the height of the first column is equal to the thickness of the middle frame.
Furthermore, the male joint of the connecting column and the female joint of the connecting column are made of plastics.
Furthermore, a clamping structure is formed among the upper cover, the middle frame and the lower cover, and the middle frame is clamped between the upper cover and the lower cover.
Furthermore, the upper cover, the lower cover and the middle frame are all made of plastics.
Has the advantages that:
the device is a low-voltage packaging type photovoltaic junction box, and is different from a traditional shell-upper cover type connection mode in that the junction box adopts a three-section type design that an upper cover, a middle frame and a lower cover are connected, a structure that a dedicated connection column male head is matched with a connection column female head is designed, and then the upper cover and the lower cover are connected quickly by an ultrasonic welding technology, and the middle frame is clamped by the upper cover and the lower cover after connection, so that electric elements in the junction box can be well protected.
Description of the drawings:
FIG. 1 is a schematic view of the general construction of a low voltage encapsulated photovoltaic junction box;
FIG. 2 is an exploded view of a low voltage encapsulated photovoltaic junction box;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is an exploded view of a low voltage encapsulated photovoltaic junction box;
FIG. 5 is an enlarged view of a portion of FIG. 4;
1. the upper cover 2, the middle frame 3, the lower cover 11, the first annular bulge 12, the first annular groove 13, the first column body 31, the second column body 32, the second annular groove 33 and the central hole.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in detail with reference to the following embodiments, which are only used for explaining the present invention and do not limit the protection scope of the present invention.
A low-voltage packaging type photovoltaic junction box comprises an upper cover, a middle frame and a lower cover; a clamping structure is formed among the upper cover, the middle frame and the lower cover, and the middle frame is clamped between the upper cover and the lower cover.
The upper surface of the lower cover is provided with a plurality of connecting column female heads, and the lower surface of the upper cover is provided with a plurality of connecting column male heads matched with the connecting column female heads;
the connecting column female head is columnar, a central hole is formed in the center of the connecting column female head, and a second annular groove is formed in the top of the connecting column female head;
the male head of the connecting column comprises a first column body, a first annular groove and a first annular bulge, the first column body is matched with the central hole, and the first annular bulge is matched with the second annular groove;
the female joint of the connecting column is connected with the male joint of the connecting column through ultrasonic welding.
When the photovoltaic junction box is used, the electric elements needing to be installed are installed inside the photovoltaic junction box and placed in a cavity formed between the lower cover and the middle frame, the upper cover and the lower cover are connected in a clamped mode through the connecting column male head and the connecting column female head, the photovoltaic junction box after the clamping is completed is placed in ultrasonic welding equipment and is welded through the ultrasonic welding head, and therefore the upper cover and the lower cover are connected quickly and stably.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A low-voltage packaging type photovoltaic junction box is characterized by comprising an upper cover, a middle frame and a lower cover; the upper surface of the lower cover is provided with a plurality of connecting column female heads, and the lower surface of the upper cover is provided with a plurality of connecting column male heads matched with the connecting column female heads;
the connecting column female head is columnar, a central hole is formed in the center of the connecting column female head, and a second annular groove is formed in the top of the connecting column female head;
the male head of the connecting column comprises a first column body, a first annular groove and a first annular bulge, the first column body is matched with the central hole, and the first annular bulge is matched with the second annular groove;
the female joint of the connecting column is connected with the male joint of the connecting column through ultrasonic welding.
2. The low-voltage encapsulated photovoltaic junction box of claim 1, wherein the number of male connector posts is eight.
3. The low-voltage encapsulated photovoltaic junction box of claim 1, wherein the height of the first column is equal to the thickness of the middle frame.
4. The low-voltage encapsulated photovoltaic junction box of claim 1, wherein the male and female connecting column heads are made of plastic.
5. The low-voltage packaging type photovoltaic junction box is characterized in that a clamping structure is formed among the upper cover, the middle frame and the lower cover, and the middle frame is clamped between the upper cover and the lower cover.
6. The low-voltage encapsulated photovoltaic junction box of claim 1, wherein the upper cover, the lower cover and the middle frame are all made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123131250.3U CN217159645U (en) | 2021-12-14 | 2021-12-14 | Low-voltage packaging type photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123131250.3U CN217159645U (en) | 2021-12-14 | 2021-12-14 | Low-voltage packaging type photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217159645U true CN217159645U (en) | 2022-08-09 |
Family
ID=82684441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123131250.3U Active CN217159645U (en) | 2021-12-14 | 2021-12-14 | Low-voltage packaging type photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217159645U (en) |
-
2021
- 2021-12-14 CN CN202123131250.3U patent/CN217159645U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111599955B (en) | No module class aluminum hull battery module and aluminum hull battery | |
| CN212695263U (en) | Battery module structure | |
| CN203103373U (en) | Lithium series battery assembling support | |
| CN217159645U (en) | Low-voltage packaging type photovoltaic junction box | |
| CN215184439U (en) | Battery package and vehicle | |
| CN103516308A (en) | Three-in-one photovoltaic assembly junction box | |
| CN102324485A (en) | Portable energy balance storage battery | |
| CN204596870U (en) | A kind of intelligent battery | |
| CN213661562U (en) | Joint formula photovoltaic terminal box | |
| CN201789007U (en) | Cover plate assembly and lithium-ion battery with cover plate assembly | |
| CN206076365U (en) | A kind of plastic housing lithium ion battery pole component | |
| CN212695949U (en) | Photovoltaic terminal box of easy equipment of integral type | |
| CN203708190U (en) | Split type photovoltaic junction box | |
| CN201893420U (en) | Lithium ion battery | |
| CN208539849U (en) | A kind of whole other scholar's photovoltaic junction box | |
| CN211531057U (en) | Photovoltaic junction box capable of preventing short circuit caused by welding of bus bars | |
| CN205508926U (en) | A connecting plate for soft package lithium -ion battery group | |
| CN212695951U (en) | Novel joint formula photovoltaic terminal box | |
| CN111987988A (en) | Photovoltaic terminal box of easy equipment of integral type | |
| CN219268809U (en) | Glue-filled sealed photovoltaic junction box | |
| CN203589121U (en) | Special solar lead acid storage battery | |
| CN218162380U (en) | Modular junction box | |
| CN213693620U (en) | Non-glue-pouring three-split photovoltaic junction box | |
| CN217468705U (en) | Valve-controlled battery | |
| CN202839304U (en) | DC-bus support capacitor for electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |