CN207427077U - Attachment device and connection system - Google Patents

Attachment device and connection system Download PDF

Info

Publication number
CN207427077U
CN207427077U CN201721493057.5U CN201721493057U CN207427077U CN 207427077 U CN207427077 U CN 207427077U CN 201721493057 U CN201721493057 U CN 201721493057U CN 207427077 U CN207427077 U CN 207427077U
Authority
CN
China
Prior art keywords
attachment device
conductive component
male connector
metal core
utility
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
Application number
CN201721493057.5U
Other languages
Chinese (zh)
Inventor
陆刚
李沛佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201721493057.5U priority Critical patent/CN207427077U/en
Application granted granted Critical
Publication of CN207427077U publication Critical patent/CN207427077U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The utility model provides a kind of attachment device and connection system, is related to solar energy power generating equipment technical field, which includes:Male connector, female and quick adapter, the male connector form the conductive component of connection photovoltaic panel with the female grafting, and the quick adapter is connected between external test facility and the conductive component.The attachment device can alleviate connector traditional in the prior art there are user experience it is poor the problem of, user experience can be improved.

Description

Attachment device and connection system
Technical field
The utility model is related to solar energy power generating equipment technical field, more particularly, to a kind of attachment device and connection System.
Background technology
With the continuous enhancing of the increasingly depleted and mankind's environmental consciousness of the energy, solar energy as main green energy resource it One, photovoltaic generation is carried out because its safety, energy conservation and environmental protection are favored be subject to people, such as using solar energy, photovoltaic generation becomes enterprise Industry and the research hotspot of colleges and universities, solar photovoltaic industry are also developed, meanwhile, photovoltaic industry also promotes and solar energy The development of related components industry.Wherein, photovoltaic connector is the connector of solar photovoltaic assembly, and main function is It will be connected between solar photovoltaic assembly.
At present, existing connector can only connect the effect of solar photovoltaic assembly, and function is single, it is impossible to meet people Multi-functional demand, user experience is high.
To sum up, existing connector there are user experience it is poor the problem of.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of attachment device and connection system, to alleviate existing skill Connector in art there are user experience it is poor the problem of, user experience can be improved.
In a first aspect, the utility model embodiment provides a kind of attachment device, including male connector, female and quick switching Head, the male connector form the conductive component of connection photovoltaic panel with the female grafting, and the quick adapter is connected to external survey It tries between equipment and the conductive component.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect, In, connecting hole is offered in the male connector, connecting hole is provided with internal thread, and the quick adapter is provided with and the internal thread The external screw thread of cooperation, the quick adapter pass through the connecting hole to connect external test facility and the conductive component.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect, In, the quick adapter includes thimble and the protective shell for protecting the thimble, is led described in one end connection of the thimble Electrical component, the other end connection external test facility of the thimble.
Second of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect Three kinds of possible embodiments, wherein, the protective shell includes first end and the second end, the first end and described the Two ends are coaxial.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect Four kinds of possible embodiments, wherein, in axial direction, the area of the cross section of the first end is less than the second end Cross section area.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect Five kinds of possible embodiments, wherein, the circular in cross-section of the first end and the second end, the first end and institute It is in step-like to state the second end, and the diameter of the first end is less than the diameter of the second end.
Second of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect Six kinds of possible embodiments, wherein, the thimble includes body and spring contact, and the spring contact is in the body It is step-like, the circular in cross-section of the spring contact and the body, and the sectional area of the cross section of spring contact is less than this The sectional area of the cross section of body, the free end of the spring contact is back taper, and the body is connected to the protective shell, described The free end of spring contact is connected with the conductive component.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, In, the conductive component includes interior metal core and outer metal core, between the interior metal core and the outer metal core It is provided with contact cage.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect Eight kinds of possible embodiments, wherein, the axial height of the second end is 6mm, a diameter of 8mm of the second end.
Second aspect, the utility model embodiment also provide a kind of connection system, including terminal box and such as first aspect and Attachment device any one of its possible embodiment, the terminal box are used to protect the attachment device.
The utility model embodiment brings following advantageous effect:
The attachment device and connection system that the utility model embodiment topic provides, wherein, which includes male connector, mother Head and quick adapter, the male connector form the conductive component of connection photovoltaic panel, the quick adapter with the female grafting It is connected between external test facility and the conductive component.Therefore technical solution provided in this embodiment, by set male connector, Female and quick adapter make the attachment device not only have linkage function, but also with sampling functions, alleviate the prior art Present in function it is single, the technical issues of user experience is not high.Further, since photovoltaic industry need substantial amounts of connector into Row connection, to realize test function, it is necessary to which additional many hardware (such as cable, terminal box), of high cost;It is new by this practicality The technical solution of type can also save hardware cost, meanwhile, the attachment device is simple in structure and easy to install.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification In become apparent or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating Specifically noted structure is realized and obtained in book, claims and attached drawing.
For the above-mentioned purpose of the utility model, feature and advantage is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and Attached drawing appended by cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram for attachment device that the utility model embodiment provides;
Fig. 2 is the structure diagram for the alternative coupling arrangement that the utility model embodiment provides;
Fig. 3 is the position relationship schematic diagram of the quick adapter that the utility model embodiment provides and male connector;
Fig. 4 is the structure diagram for the quick adapter that the utility model embodiment provides;
Fig. 5 is a kind of schematic diagram for thimble that the utility model embodiment provides;
Fig. 6 is a kind of schematic diagram for contact cage that the utility model embodiment provides.
Specific embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real Example is applied, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making All other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Connector can only connect the effect of solar photovoltaic assembly at present, and function is single, it is impossible to meet more work(of people Energy demand, user experience is not high, and based on this, a kind of attachment device and connection system that the utility model embodiment provides can It is single to alleviate function in the prior art, the technical issues of user experience is poor, user experience can be improved, together When the attachment device need not increase additional hardware and can meet the multifunction demand of user, save hardware cost.
For ease of understanding the present embodiment, first to a kind of attachment device disclosed in the utility model embodiment into Row is discussed in detail.
Embodiment one:
As shown in Figure 1, the utility model embodiment provides a kind of attachment device, which can be used for photovoltaic module Connection area, the attachment device include:Male connector, female and quick adapter 100, the male connector is formed with the female grafting to be connected The conductive component 200 of photovoltaic panel is connect, the quick adapter is connected between external test facility 300 and the conductive component.
Wherein, the male connector includes the first shell and the first metal core, and the first metal core is arranged on described the One enclosure, first shell use plastic housing, and the first metal core uses copper core.Plastic housing plays insulation Effect, while the copper core inside protection can be played the role of.
The female includes second housing and the second metal core, and the second metal core is arranged on the second housing Inside, likewise, the second housing uses plastic housing, the second metal core uses copper core.
Specifically, the male connector can be detachably connected with female in a manner of grafting or clamping, the second housing It is engaged with first shell, the second metal core is engaged with the second metal core, realizes male connector and female Connection.
It is further that the male connector is used to connect the negative pole end of photovoltaic panel, the female is used to connect photovoltaic panel just Extremely.
Specifically, the first metal core and the conductive component of the second metal core composition connection photovoltaic panel;The One metal core connects the negative pole end of photovoltaic panel, and the second metal core connects the positive terminal of photovoltaic panel, realizes multiple photovoltaic panels Connection.
Further, it is provided with contact cage between the first metal core and the second metal core.
Further, the contact cage has excellent electrically and mechanically performance, watchband-shaped contactor has using watchband-shaped contactor Many blades form many fixed contact points, and the good contact of watchband-shaped contactor is so that the resistance between electric contact piece is maintained at very Low level.
It should be noted that the first metal core can be interior metal core or outer metal core.When When one metal core is interior metal core, the second metal core is and the interior matched outer metal wire of metal core Core;When the first metal core is outer metal core, the second metal core is matched interior with the outer metal core Metal core.
In addition, the male connector of stating can also connect the positive terminal of photovoltaic panel, the female can also connect the negative of photovoltaic panel Extremely.
The quick adapter is integrally formed using injection mould.
It is further that the quick adapter is arranged in the male connector.Preferably, the quick adapter and institute Male connector is stated so as to the mode of dismounting connects.
Specifically, in the present embodiment, the quick adapter is threadedly coupled or snaps connection with the male connector.
It should be noted that the quick adapter can also be arranged in the female.
Specifically, MC4 male connectors and MC4 females is respectively adopted with the female in the male connector, plug and play can be realized, side Just, simply, flexibly.
The utility model embodiment topic provide attachment device include male connector, female and quick adapter, the male connector with The female grafting forms the conductive component of connection photovoltaic panel, and the quick adapter is connected to external test facility and described leads Between electrical component.Therefore technical solution provided in this embodiment, by setting male connector, female and quick adapter, makes the connection Device not only has linkage function, but also with sampling functions, and it is single to alleviate function in the prior art, user experience The technical issues of degree is not high.Further, since photovoltaic industry needs substantial amounts of connector to be attached, to realize test function, Additional many hardware (such as cable, terminal box) are needed, it is of high cost;It can also be saved firmly by the technical solution of the utility model Part cost, meanwhile, the attachment device is simple in structure and easy to install, and scene is without many cables of mounting arrangements, assembling dimension Shield is quick.
Embodiment two:
Fig. 2 shows the structure diagram for the alternative coupling arrangement that the utility model embodiment provides, the attachment device Available for technical field of photovoltaic power generation.
Specifically, the attachment device includes:Male connector 400, female 500 and quick adapter 100, the male connector and the mother Head grafting forms the conductive component 200 of connection photovoltaic panel, and the quick adapter is connected to external test facility 300 and described leads Between electrical component.
In the present embodiment, the male connector is used to connect the negative pole end of photovoltaic panel, and the female is used to connect photovoltaic panel Positive terminal.
The quick adapter is arranged in male connector, and the quick adapter is threadedly coupled with the male connector.
Fig. 3 shows the quick adapter of the utility model embodiment offer and the position relationship schematic diagram of male connector.
With reference to Fig. 3, connecting hole is offered in the male connector 400, connecting hole is provided with internal thread (not shown), described Quick adapter 100 is provided with the external screw thread (not shown) with the screw-internal thread fit, and the quick adapter passes through institute Connecting hole is stated to connect external test facility and the conductive component.
In view of the reliability and stability that quick adapter is connected with male connector, further, the second end and institute State and be provided with gasket (being not shown in the drawing) between male connector, which plays the role of damping, buffering, prevent quick adapter with it is public Damage caused by extruding possibility during head connection between the two.
Specifically, the gasket uses rubber sheet gasket.
Further, a diameter of 19mm of the male connector, the length of the male connector along plugging direction is 61.5mm.
Fig. 4 shows the structure diagram for the quick adapter that the utility model embodiment provides.
With reference to Fig. 4, the quick adapter includes thimble 101 and the protective shell 102 for protecting the thimble, the top One end of pin connects the conductive component, the other end connection external test facility of the thimble.
Further, the thimble and the conductive component elastic connection.
Specifically, elastic thimble may be employed in the thimble.
Further, the protective shell uses plastic housing, specifically, the protective shell using rigid polyamide (PA) or Makrolon (PC) material is made.
In view of there is gap between protective shell and thimble, in order to ensure sealing performance.Further, the guarantor It is sealed between protective case and the thimble using sealant rubber ring and fluid sealant, improves the water resistance of quick adapter.Tool Body, the part (gap) that the protective shell is contacted with the thimble is carried out close in the form of sealant rubber ring and filling with sealant Envelope, the thimble stretch out the part connection conductive component of protective shell.
Further, the protective shell include first end 1021 and the second end 1022, the first end with it is described The second end is coaxial.
Specifically, the protective shell is an integral molding structure, i.e., described first end is integrally formed with the second end.
Further, in axial direction, the area of the cross section of the first end is less than the transversal of the second end The area in face.
It should be noted that the cross section of the first end can be triangle, circle or square, five sides The polygons such as shape, hexagon, can also be irregular shape, be made with specific reference to actual needs.
In the present embodiment, the circular in cross-section of the first end and the second end, the first end and described the Two ends are in step-like, and the diameter of the first end is less than the diameter of the second end.
Further, the axial height of the first end is 6-8mm, a diameter of 5-7mm of the first end;It is described The axial height of the second end is 5-7mm, a diameter of 8-10mm of the second end.
Specifically, the axial height of first end is 7mm, a diameter of 6mm of first end;The axial height of the second end For 6mm, a diameter of 8mm of the second end.
Fig. 5 shows a kind of schematic diagram for thimble that the utility model embodiment provides.
As shown in figure 5, the thimble includes body 1011 and spring contact 1012, the body is connected to the protection Shell, the free end of the spring contact are connected with the conductive component.
Specifically, the spring contact is in step-like, the cross section of the spring contact and the body with the body It is rounded, and the sectional area of the cross section of spring contact is less than the sectional area of the cross section of body, the freedom of the spring contact It holds as back taper, the free end of the spring contact and the conductive component elastic connection.
Further, the conductive component includes interior metal core 201 and outer metal core.
In the present embodiment, interior metal core is arranged on the inside of male connector insulating materials (male connector shell), and outer metal core is set It puts in the inside of female insulating materials (female shell).Further, male connector shell and female shell use PC materials.
Further, it is provided with contact cage between the interior metal core and the outer metal core.
Specifically, the contact cage is socketed on the interior metal core, the interior metal core passes through the contact cage It is connected with outer metal core.
With reference to Fig. 6, the contact cage includes the first annulus 601 and the second annulus 602, first annulus and described second Connecting bridge 603 is provided between annulus.
Further, the connecting bridge is multiple that multiple connecting bridges are set at equal intervals.
Preferably, the contact cage is using MULTILAM fingertips, and is arranged on interior metal core and outer metal core two Between a contact surface, pass through a large amount of contact points (contact point be formed by connecting bridge fixed contact point) two tables of connection Face, wherein each contact point transmits electric current as " bridge ".It is run with connection and intermittent mode and possesses high current carrying Ability, and the dependable performance within the scope of very wide temperature.
It should be noted that MULTILAM fingertips are applicable to male connector and female cylindrical connector or tack connector, Suitable for require it is linear or rotary motion be slidably connected, may also provide and absorb energy with big radial tolerance and angular deviation The contact element of power.
Embodiment three:
The utility model embodiment additionally provides a kind of connection system, available for solar energy photovoltaic panel connection area, specifically , which includes the attachment device referred in terminal box and previous embodiment, and the terminal box is used to protect the company Connection device.
Specifically, the attachment device is placed in the junction box, the terminal box is provided with multiple wiring holes, described Attachment device includes negative terminals, positive terminal and test three wire connection terminals of terminals, the negative terminals and is used for External photovoltaic panel cathode, for connecting the photovoltaic panel anode, test terminals are used to connect external survey the positive terminal Equipment is tried, the wire connection terminal of the attachment device stretches out the wiring hole and is connected with external equipment (photovoltaic panel or test equipment) It connects.
The connection system that the utility model embodiment provides has identical skill with the attachment device that above-described embodiment provides Art feature so can also solve the technical issues of identical, reaches identical technique effect.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description Specific work process, may be referred to the corresponding process in previous embodiment, details are not described herein.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should be noted that:Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect It connects;Can be mechanical connection or electrical connection;It can be directly connected, can also be indirectly connected by intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, can above-mentioned term be understood with concrete condition Concrete meaning in the utility model.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that:Embodiment described above is only specific embodiment of the present utility model, to illustrate this The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that:It is any to be familiar with this skill It, still can be to the skill recorded in previous embodiment in the technical scope that the technical staff in art field discloses in the utility model Art scheme, which is modified or can be readily occurred in, to be changed or carries out equivalent substitution to which part technical characteristic;And these modifications, Variation is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and model of the utility model embodiment technical solution It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right Subject to the protection domain asked.

Claims (10)

1. a kind of attachment device, which is characterized in that including male connector, female and quick adapter, the male connector is inserted with the female Connect the conductive component to form connection photovoltaic panel, the quick adapter be connected to external test facility and the conductive component it Between.
2. attachment device according to claim 1, which is characterized in that connecting hole is offered in the male connector, connecting hole is set Internal thread is equipped with, the quick adapter is provided with the external screw thread with the screw-internal thread fit, and the quick adapter passes through institute Connecting hole is stated to connect external test facility and the conductive component.
3. attachment device according to claim 1, which is characterized in that the quick adapter includes thimble and for protecting The protective shell of the thimble, one end of the thimble connect the conductive component, the other end connection external testing of the thimble Equipment.
4. attachment device according to claim 3, which is characterized in that the protective shell includes first end and second end Portion, the first end are coaxial with the second end.
5. attachment device according to claim 4, which is characterized in that in axial direction, the cross section of the first end Area be less than the second end cross section area.
6. attachment device according to claim 5, which is characterized in that the cross section of the first end and the second end is in Circle, the first end are in step-like with the second end, and the diameter of the first end is less than the second end Diameter.
7. attachment device according to claim 3, which is characterized in that the thimble includes body and spring contact, institute Spring contact and the body are stated in step-like, the circular in cross-section of the spring contact and the body, and spring contact Cross section sectional area be less than body cross section sectional area, the free end of the spring contact is back taper, described Body is connected to the protective shell, and the free end of the spring contact is connected with the conductive component.
8. attachment device according to claim 1, which is characterized in that the conductive component includes interior metal core and outer gold Belong to core, contact cage is provided between the interior metal core and the outer metal core.
9. attachment device according to claim 4, which is characterized in that the axial height of the second end is 6mm, described A diameter of 8mm of the second end.
10. a kind of connection system, which is characterized in that including terminal box and connection dress as described in any one of claim 1 to 9 It puts, the terminal box is used to protect the attachment device.
CN201721493057.5U 2017-11-09 2017-11-09 Attachment device and connection system Active CN207427077U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721493057.5U CN207427077U (en) 2017-11-09 2017-11-09 Attachment device and connection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721493057.5U CN207427077U (en) 2017-11-09 2017-11-09 Attachment device and connection system

Publications (1)

Publication Number Publication Date
CN207427077U true CN207427077U (en) 2018-05-29

Family

ID=62305366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721493057.5U Active CN207427077U (en) 2017-11-09 2017-11-09 Attachment device and connection system

Country Status (1)

Country Link
CN (1) CN207427077U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107645277A (en) * 2017-11-09 2018-01-30 陆刚 Attachment means and connection system
CN110221141A (en) * 2019-05-08 2019-09-10 中国南方电网有限责任公司超高压输电公司检修试验中心 A kind of change of current inversion of direct current casing overheating fault analog platform and method
CN113489453A (en) * 2021-08-02 2021-10-08 中国华能集团清洁能源技术研究院有限公司 Photovoltaic terminal box with multi-functional quick interface

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107645277A (en) * 2017-11-09 2018-01-30 陆刚 Attachment means and connection system
CN110221141A (en) * 2019-05-08 2019-09-10 中国南方电网有限责任公司超高压输电公司检修试验中心 A kind of change of current inversion of direct current casing overheating fault analog platform and method
CN113489453A (en) * 2021-08-02 2021-10-08 中国华能集团清洁能源技术研究院有限公司 Photovoltaic terminal box with multi-functional quick interface

Similar Documents

Publication Publication Date Title
CN207427077U (en) Attachment device and connection system
CN205489883U (en) Motor be qualified for next round of competitions device, motor and electric motor car
CN206947588U (en) Bypass cable applied to cable termination accesses servicing unit
CN221407772U (en) Plug-in low-voltage bus device
CN207427087U (en) The online test device of photovoltaic module and system
CN107958985A (en) Arrangements of electric connection and the Battery case and battery case using the device
CN107645277A (en) Attachment means and connection system
CN214044072U (en) Contact conductive structure and protective equipment
CN214125238U (en) Split type photovoltaic terminal box convenient to maintain
CN221530422U (en) Photovoltaic connector with stable connection
CN215816607U (en) Connector for motor
CN206282895U (en) A high-temperature energy storage battery and its sealing structure
CN219329343U (en) Energy storage machine case
CN220873961U (en) Improved high-voltage socket
CN223583237U (en) Copper-aluminum transition terminals and copper-aluminum terminal photovoltaic connectors including copper-aluminum transition terminals
CN203456605U (en) Wire connection device
CN214280895U (en) Plug-in weak current cable protection device
CN214957515U (en) Multi-directional outlet energy storage connector
CN216355022U (en) Novel high-voltage-resistant electric connector
CN224067937U (en) Conductive strips, electrical connection structures, and lighting track strips
CN213845627U (en) A miniature electrophoresis linker
CN222966425U (en) A straight-through quick-connect waterproof connector
CN212138147U (en) Integrated circuit device with novel power
CN211182668U (en) Board-inserting type waterproof connector
CN216214395U (en) High-tightness sealing structure of T-shaped plug for power distribution assembly

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant