CN216450841U - Dustproof plug, connector assembly, photovoltaic junction box and photovoltaic assembly - Google Patents
Dustproof plug, connector assembly, photovoltaic junction box and photovoltaic assembly Download PDFInfo
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- CN216450841U CN216450841U CN202122052515.4U CN202122052515U CN216450841U CN 216450841 U CN216450841 U CN 216450841U CN 202122052515 U CN202122052515 U CN 202122052515U CN 216450841 U CN216450841 U CN 216450841U
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- plug
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- electrically connected
- metal core
- dustproof
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- 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
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Abstract
The application discloses dustproof plug, connector component, photovoltaic terminal box and photovoltaic module belongs to photovoltaic module technical field. The dustproof plug comprises a dustproof sleeve and a metal core; the metal core is embedded in the dustproof sleeve; one end of the metal core is used for being electrically connected with the connecting terminal of the connector, and the other end of the metal core is electrically connected with the testing end of the tester. Due to the adoption of the dustproof sleeve, an additionally added test tool is omitted in the process of testing the electrical performance and packaging the connector, the test procedure of the electrical performance of the photovoltaic module is reduced, the working efficiency is improved, and the operation cost is reduced.
Description
Technical Field
This application belongs to photovoltaic module technical field, concretely relates to dustproof stopper, connector assembly, photovoltaic terminal box and photovoltaic module.
Background
Solar energy is inexhaustible clean energy and is an internationally recognized ideal alternative energy. In recent years, as the cost of each element in a power station is reduced and the photovoltaic power generation technology is matured, the proportion of photovoltaic power generation capacity is increased year by year. In recent years, photovoltaic power generation is rapidly developed in China, plays an important role in the aspects of advocating low carbon, environmental protection and the like, and is particularly important for the layout of a centralized photovoltaic power station in China in the northwest region.
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. Among these, the connector is an important component of the photovoltaic connector, which plays a role of interconnection between photovoltaic components or interconnection between the components and the electric devices.
Because the key overall arrangement of photovoltaic power plant is in the northwest area that the desertification is serious, for preventing that the connector transportation from receiving the sand blown by the wind influence, dustproof stopper is installed to the connector. In the prior art, when the electrical performance test is performed, a test tool needs to be clamped on a frame of a photovoltaic assembly, a patch cord on the test tool is connected with an outgoing line of a junction box of the photovoltaic assembly, then the electrical performance test is performed, and after the electrical performance test is performed, a dust plug is installed on a connector. In the prior art, at least the following problems exist, in the process of carrying out electrical performance test and connector packaging, the process of installing a test tool is added, the operation process is complicated, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The purpose of the embodiment of the application is to provide a dustproof plug, a connector assembly, a photovoltaic junction box and a photovoltaic assembly, and the problem that in the process of testing the electrical performance of the photovoltaic assembly and packaging the connector assembly, a testing tool is additionally added can be solved.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a dust plug, where the dust plug includes a dust-proof sleeve and a metal core;
the metal core is embedded in the dustproof sleeve; one end of the metal core is used for being electrically connected with the connecting terminal of the connector, and the other end of the metal core is electrically connected with the testing end of the tester.
In a second aspect, embodiments of the present application provide a connector assembly including the aforementioned dust plug.
In a third aspect, embodiments of the present application provide a photovoltaic junction box, which includes the aforementioned connector assembly.
In a fourth aspect, the embodiment of the present application provides a photovoltaic module, which includes the aforementioned photovoltaic junction box.
In the embodiment of the application, the dustproof plug is provided with a dustproof sleeve and a metal core, and the metal core is embedded in the dustproof sleeve; one end of the metal core is used for being electrically connected with the connecting terminal of the connector, and the other end of the metal core is electrically connected with the testing end of the tester. And after obtaining the electrical parameters of the photovoltaic module, disconnecting the tester, and directly packaging and transporting the photovoltaic module. Due to the adoption of the dustproof sleeve, an additionally added test tool is omitted in the process of testing the electrical performance and packaging the connector, the test procedure of the electrical performance of the photovoltaic module is reduced, the working efficiency is improved, and the operation cost is reduced.
Drawings
FIG. 1 is a schematic view of a dust boot according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a dust boot according to an embodiment of the present invention;
FIG. 3 is a schematic view of a metal core of a dust boot according to an embodiment of the present invention;
FIG. 4 is a schematic view of a dust boot coupled to a connector in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a dust boot in accordance with an embodiment of the present invention in connection with a connector and a tester.
Reference numerals
10-dustproof sleeve, 101-jack, 102-plug, 103-clamping groove, 104-limiting table, 105-positioning table, 20-metal core, 201-first pin, 202-first electrode sheet, 203-second pin, 204-second electrode sheet, 30-male connector, 40-female connector and 50-testing end of tester.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The following describes in detail the dust plug provided in the embodiments of the present application with reference to fig. 1 to 5 through specific embodiments and application scenarios thereof.
As shown in fig. 1-5, the dust boot according to some embodiments of the present invention, the dust plug includes a dust boot 10 and a metal core 20;
the metal core 20 is embedded in the dust cover 10; one end of the metal core 20 is used for being electrically connected with a connecting terminal of the connector, and the other end is electrically connected with a testing terminal of the tester.
Specifically, the dust-proof cover provided by the utility model is suitable for packaging of a connector of a photovoltaic junction box and testing of electrical performance of a photovoltaic module, and the dust-proof cover provided by the utility model is described in detail by listing specific embodiments.
The dustproof plug provided by the utility model has insulating and moistureproof functions, wherein the dustproof sleeve 10 can be made of resin, plastic, rubber and other materials with good insulating property, preferably a PPO (Polyphenylene Oxide) material, has the characteristics of high rigidity, high heat resistance, flame retardance, higher strength, excellent electrical property and the like, also has the advantages of wear resistance, no toxicity, pollution resistance and the like, and is hardly influenced by temperature and humidity; the metal core can adopt a copper core, or an iron core, an aluminum core or a silver core and the like, wherein the silver core has the best conductivity but too high cost, the copper core is preferably selected, the copper core has better conductivity, wide application performance and lower cost, and can be plated with tin on the surface, thereby being beneficial to welding and having antioxidation; the dust-proof sleeve 10 is formed by injection molding, and the metal core 20 is embedded in the dust-proof sleeve 10; the preferable MC4 plug of connector of photovoltaic terminal box, also can be nearly MC4 plug, the inner core material of connector adopts the copper tinning, realize the electricity with the one end of metal core 20 and be connected, both can prevent that the dust from entering into the connecting terminal of connector, also can be applicable to in the great environment of humidity, the test end 50 of tester has the insulating layer, realize the electricity with the other end of metal core 20 and be connected, consequently, the dustproof stopper is connected with the connector back, can directly implement photovoltaic module's electrical performance test, after the disconnection tester, the connector subassembly can directly be packed and transported.
In the embodiment of the application, the dustproof plug is provided with a dustproof sleeve and a metal core, and the metal core is embedded in the dustproof sleeve; one end of the metal core is used for being electrically connected with the connecting terminal of the connector, and the other end of the metal core is electrically connected with the testing end of the tester. And after the connector of the photovoltaic junction box is electrically connected with the photovoltaic module, the connector is electrically connected with the dustproof sleeve, the dustproof sleeve is electrically connected with the tester, the electrical performance of the photovoltaic module is tested, after the electrical parameters of the photovoltaic module are obtained, the tester is disconnected, and the photovoltaic module is directly packaged and transported. Due to the adoption of the dustproof sleeve, an additionally added test tool is omitted in the processes of electrical performance test and connector packaging, the photovoltaic module test procedures are reduced, the working efficiency is improved, and the operation cost is reduced.
According to some embodiments of the present application, referring to fig. 2, 4 and 5, the dust boot 10 is provided with a receptacle 101, the receptacle 101 being for receiving a connection terminal of the male connection 30;
the metal core is provided with a first plug pin 201 and a first electrode plate 202 which are electrically connected, and the first plug pin 201 is electrically connected with the electrode plate 202; the first pins 201 are embedded in the jack 101 and used for being electrically connected with the connecting terminals of the male connector 30;
the electrode sheet 202 is exposed from the surface of the dust boot 10 and is used for being electrically connected with the test end 50 of the tester.
Specifically, when the boot 10 is connected with the male connector 30, the boot 10 is provided with an insertion hole 101 for receiving a connection terminal of the male connector 30; the connection terminal of the plug hole 101 and the male connector 30 can adopt clearance fit, ideally, the diameters of the connection terminal of the plug hole 101 and the male connector 30 are equal, and interference fit can also be adopted, so that the dust plug and the male connector 30 are difficult to disassemble due to the interference fit; the metal core 20 is provided with a first pin 201 and a first electrode plate 202 which are electrically connected; the diameter of the first pin 201 is set corresponding to the connection terminal of the male connector 30, and MC4 or MC4 can be adopted; the first pin 201 and the jack 101 can adopt clearance fit, and the clearance can ensure that the connecting terminal of the male connector 30 and the jack 101 are in clearance fit or interference fit, so that the first pin 201 and the connecting terminal of the male connector 30 are electrically connected; the first electrode plate 202 is exposed from the surface of the dust-proof sleeve 10, so that the outer surface of the dust-proof sleeve 10 can be exposed, the advantages are that the contact with the test end 50 of the tester is good, but the electric leakage phenomenon can occur, the first electrode plate can be flush with the outer surface of the dust-proof sleeve 10, the good contact with the test end 50 of the tester can be ensured, and the electric leakage can be prevented; the dustproof plug is electrically connected with the male connector 30, wherein the jack 101 can accommodate a connecting terminal of the male connector 30, so that the dustproof plug is completely connected with the male connector 30, and the dustproof plug can be dustproof and damp-proof; and the electric connection with the test end 50 of the tester can be realized, so that no extra test tool is needed in the process of testing the electric performance of the photovoltaic module and packaging the male connector 30, the test procedures of the photovoltaic module are reduced, and the working efficiency is improved.
According to some embodiments of the present application, referring to fig. 2, an inner wall of the insertion hole 101 is provided with a stopper groove; the limiting groove is used for being clamped with the limiting table of the male connector 30.
Specifically, the inner wall of the jack 101 is provided with a limiting groove, the limiting groove is correspondingly arranged corresponding to a limiting table on the connecting terminal of the male connector 30, and may be arranged along a circle of the inner wall of the jack 101, or two or four grooves are symmetrically arranged on the inner wall of the jack 101; when the connection terminal of the male connector 30 is in clearance fit or interference fit with the jack 101 and is accommodated in the jack 101, the limit groove is clamped with the limit table on the connection terminal of the male connector 30, so that the connection terminal of the male connector 30 can be prevented from being separated from the jack 101, and the reliability of the electric connection between the dust cover and the male connector 30 is improved.
According to some embodiments of the present application, referring to fig. 2, 4 and 5, the dust boot is provided with a plug 102, the plug 102 being for being inserted into a connection terminal of the female connector 40;
the metal core is provided with a second plug pin 203 and a second electrode plate 204 which are electrically connected, and the second plug pin 203 is electrically connected with the second electrode plate 204; the second pin 203 is embedded in the plug 102 for electrically connecting with a connection terminal of the female connector 40;
the electrode sheet 202 is exposed from the surface of the dust boot 10 and is used for being electrically connected with the test end 50 of the tester.
Specifically, when the boot 10 is connected with the female connector 40, the boot 10 is provided with a plug 102 for inserting the female connector 40 connection terminal; the connecting terminal of the female connector 40 is in clearance fit with the plug 102, and ideally, the diameter of the connecting terminal of the female connector 40 is equal to that of the connecting terminal of the plug 102, and interference fit can be adopted, so that the female connector is not easy to disassemble; the metal core 20 is provided with a second pin 203 and a second electrode plate 204 which are electrically connected; the diameter of the second pin 203 is set corresponding to the connection terminal of the female connector 40, and MC4 or MC4 can be adopted; ensuring that the second pin 203 is electrically connected with the connection terminal of the female connector 40; the second pin 203 and the plug 102 can adopt clearance fit, the clearance can be zero, or the diameter of the second pin 203 is smaller than the diameter of the hole of the plug 102; the second electrode plate 204 is exposed from the surface of the dust-proof sleeve 10, so that the outer surface of the dust-proof sleeve 10 can be exposed, the advantages are that the contact with the test end 50 of the tester is good, but the electric leakage phenomenon can occur, the second electrode plate can be flush with the outer surface of the dust-proof sleeve 10, the good contact with the test end 50 of the tester can be ensured, and the electric leakage can be prevented; the dust plug is electrically connected with the female connector 40, wherein the plug 102 is used for being embedded into a connecting terminal of the female connector 40, so that the dust plug is completely connected with the female connector 40, and the dust plug can be dustproof and damp-proof; and the test end 50 of the tester can be electrically connected, so that no additional test tool is needed in the process of testing the electrical performance of the photovoltaic module and packaging the female connector 40, the test procedures of the photovoltaic module are reduced, and the working efficiency is improved.
According to some embodiments of the present application, referring to fig. 1 and 2, the plug 102 is provided with a retention stage 104 and a positioning stage 105;
the stop 104 is disposed on an outer surface of the plug 102 about an axis of the plug;
the positioning table 105 is arranged on the outer surface of the plug;
the limiting table 104 is clamped with the limiting groove of the female plug connector 40;
the positioning table 105 is slidably connected with the positioning groove of the female connector 40.
Specifically, the outer surface of the plug 102 is provided with a limiting table 104, the limiting table 104 is correspondingly arranged corresponding to a limiting groove on a connecting terminal of the female connector 40, and may be arranged along a circumference of the outer surface of the plug 102, two or four bosses may be symmetrically arranged on the outer surface of the plug 102, or an odd number of bosses may be arranged on the outer surface of the plug 102 around the axis of the plug 102; after the connection terminal of the female connector 40 is in clearance fit or interference fit with the plug 102, the limiting table 104 is clamped with the limiting groove on the connection terminal of the female connector 40, so that the connection terminal of the female connector 40 can be prevented from being separated from the plug 102, and the reliability of the electrical connection between the dust plug and the female connector 40 is improved. The outer wall of the plug 102 is further provided with a positioning table 105, the length of the positioning table 105 can be a part of the length of the plug 102, and can also be equal to the length of the plug 102, the positioning table is arranged corresponding to the positioning groove of the female connector 40, and meanwhile, the limiting table 105 has a guiding function; when the dustproof plug is connected with the female connector 40, the positioning groove of the limiting table 105 and the female connector 40 are aligned, so that the dustproof plug can be conveniently connected with the female connector 40, and the working efficiency is improved.
According to some embodiments of the present application, referring to fig. 1, 4 and 5, the dust boot 10 further comprises a card slot 103;
along the axial direction of the jack 101, the clamping grooves 103 are symmetrically arranged on the outer wall of the dustproof sleeve 10;
the locking slot 103 is used for being locked with the elastic arm of the male connector 30.
Specifically, the male connector 30 is provided with an elastic arm, the dust-proof boot 10 further includes a clamping groove 103 correspondingly, and the clamping grooves 103 are symmetrically arranged on the outer wall of the dust-proof boot 10 along the axial direction of the jack 101; when dustproof stopper and male connector 30 be connected, the elastic arm and draw-in groove 103 joint further fasten dustproof stopper and male connector 30 be connected, in the environment of sand blown by the wind, can prevent that sand and dust from getting into the connector, in the environment of humidity, can prevent that water from permeating to the connector, improved the life of connector.
The present embodiment also provides a connector assembly, which includes the aforementioned dust plug, with reference to fig. 4 and 5.
Specifically, the connector includes male connector 30 and female connector 40, and the dust plug can be connected with male connector 30 and female connector 40, in the transportation, can prevent that dust and sand from entering into the connector with moisture, simultaneously, at the in-process of carrying out the test of photovoltaic module electrical property, can cancel extra frock, has reduced extra process, has improved work efficiency, has reduced the running cost.
According to some embodiments of the present application, referring to fig. 4, the connector assembly includes a connector body; the dustproof plug is detachably connected with the connector body.
Specifically, the connector assembly comprises a connector body, the dustproof plug can be connected with or detached from the connector body, the connector can be conveniently and simply assembled and disassembled with the dustproof plug, the dustproof plug is assembled in the process of testing electrical performance of the photovoltaic assembly and transportation, and the dustproof plug is conveniently disassembled when the connector is connected with other electrical terminals after the photovoltaic assembly is transported to a photovoltaic transformer substation.
The embodiment also provides a photovoltaic junction box, which comprises the connector assembly.
Specifically, the photovoltaic junction box comprises a box body, a box cover, a wiring terminal, a diode, a wire and a connector assembly of the photovoltaic junction box, and in the process of testing the electrical performance of the photovoltaic assembly, an extra tool can be omitted, extra processes are reduced, the working efficiency is improved, and the operation cost is reduced.
The embodiment also provides a photovoltaic assembly, which comprises the photovoltaic junction box.
Specifically, the photovoltaic module comprises the photovoltaic laminating part, a frame wrapping the edge of the photovoltaic laminating part and the photovoltaic junction box, and in the process of testing the electrical performance of the photovoltaic module, an extra tool can be omitted, extra processes are reduced, the working efficiency is improved, and the operation cost is reduced.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the utility model is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The dustproof plug is characterized by comprising a dustproof sleeve and a metal core;
the metal core is embedded in the dustproof sleeve; one end of the metal core is electrically connected with a connecting terminal of the connector, and the other end of the metal core is electrically connected with a testing end of the tester;
the dustproof sleeve is provided with a jack which is used for accommodating a connecting terminal of the male connector;
the metal core is provided with a first contact pin and a first electrode plate, and the first contact pin is electrically connected with the first electrode plate;
the first contact pin is embedded into the jack and is used for being electrically connected with the connecting terminal of the male connector; the electrode plate is exposed out of the surface of the dustproof sleeve and is used for being electrically connected with a testing end of the tester;
or the like, or, alternatively,
the dustproof sleeve is provided with a plug, and the plug is used for being embedded into a connecting terminal of the female connector;
the metal core is provided with a second contact pin and a second electrode plate, and the second contact pin is electrically connected with the second electrode plate;
the second contact pin is embedded into the plug and is used for being electrically connected with the connecting terminal of the female connector; the electrode plate is exposed out of the surface of the dustproof sleeve and is used for being electrically connected with a testing end of the tester.
2. The dust plug of claim 1, wherein the inner wall of the insertion hole is provided with a limiting groove;
the limiting groove is used for being clamped with the limiting table of the male connector.
3. The dust plug of claim 1, wherein the plug is provided with a limit station and a positioning station;
the limiting table is arranged on the outer surface of the plug around the axis of the plug;
the positioning table is arranged on the outer surface of the plug;
the limiting table is clamped with the limiting groove of the female plug connector; the positioning table is connected with the positioning groove of the female connector in a sliding manner.
4. The dust plug of claim 1, wherein the dust boot further comprises a slot;
the clamping grooves are symmetrically arranged on the outer wall of the dustproof sleeve along the axial direction of the jack;
the clamping groove is used for being clamped with the elastic arm of the male connector.
5. A connector assembly, characterized in that it comprises a dust plug according to any of claims 1 to 4.
6. The connector assembly of claim 5, wherein the connector assembly comprises a connector body;
the dustproof plug is detachably connected with the connector body.
7. A photovoltaic junction box comprising the connector assembly of claim 5.
8. A photovoltaic module comprising the photovoltaic junction box of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052515.4U CN216450841U (en) | 2021-08-27 | 2021-08-27 | Dustproof plug, connector assembly, photovoltaic junction box and photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052515.4U CN216450841U (en) | 2021-08-27 | 2021-08-27 | Dustproof plug, connector assembly, photovoltaic junction box and photovoltaic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216450841U true CN216450841U (en) | 2022-05-06 |
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ID=81347648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122052515.4U Active CN216450841U (en) | 2021-08-27 | 2021-08-27 | Dustproof plug, connector assembly, photovoltaic junction box and photovoltaic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216450841U (en) |
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2021
- 2021-08-27 CN CN202122052515.4U patent/CN216450841U/en active Active
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