CN113363768B - Cable connector for photovoltaic modules and method of installation - Google Patents

Cable connector for photovoltaic modules and method of installation Download PDF

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Publication number
CN113363768B
CN113363768B CN202110615644.1A CN202110615644A CN113363768B CN 113363768 B CN113363768 B CN 113363768B CN 202110615644 A CN202110615644 A CN 202110615644A CN 113363768 B CN113363768 B CN 113363768B
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CN
China
Prior art keywords
conductive
rod
concave block
ring
piston
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Active
Application number
CN202110615644.1A
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Chinese (zh)
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CN113363768A (en
Inventor
王娟娟
朱燕
包秀鹏
刘一丁
石伟
李琦
李晶
胡建伟
王宁
沈志强
张秀岩
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Cgn New Energy Xuancheng Co ltd
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Cgn New Energy Xuancheng Co ltd
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Priority to CN202110615644.1A priority Critical patent/CN113363768B/en
Publication of CN113363768A publication Critical patent/CN113363768A/en
Application granted granted Critical
Publication of CN113363768B publication Critical patent/CN113363768B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity

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

Abstract

The invention provides a cable connector for a photovoltaic module and an installation method, wherein a conductive joint is embedded in one end of a connecting pipe body, a hollow conductive screw rod is arranged in an outer conductive concave block in a threaded manner, and a cable is arranged in a groove of an inner conductive concave block in a butting manner; an insulating push plate is fixedly arranged on one side, close to the insulating pipe body, of the sliding rod, a piston cavity is formed between the first piston plate and the second piston plate, a baffle plate is fixedly arranged on the side face of the top end of the sliding plate, and a window is formed in the baffle plate; the indicating ring is rotatably sleeved on the outer side of the connecting pipe body, the indicating ring is fixedly connected to the rotating ring through the connecting rod, and one side of the rotating ring, which is close to the indicating ring, is provided with a plurality of positioning grooves; the alarm switch is electrically connected with the alarm. The invention provides a cable connector for a photovoltaic module and an installation method, which are more firm in fixing cables, have the function of marking cables with different purposes, are safe to use and are very worthy of popularization.

Description

Cable connector for photovoltaic modules and method of installation
Technical Field
The invention relates to the technical field of cable connectors, in particular to a cable connector for a photovoltaic module and an installation method.
Background
In the prior art, a cable connector of application No. 201821259795.8 mainly comprises a device cable clamp, an extrusion taper elastic sleeve, a locking sleeve, a tightening nut and an anti-back nut. The connector realizes the fastening connection of the cable and the equipment cable clamp head through the mutual sleeving of all parts, and the sleeving is reversible mechanical connection, so that the problem that the cable cannot be reused and must be replaced together when the equipment cable clamp is replaced in the transformer maintenance work is solved; the inner surface rough texture and the tail pressure-bearing ring of the extrusion conical elastic sleeve are designed to increase the contact area and the connection strength with the cable, and the extrusion conical elastic sleeve is protected from being damaged; the tight nut and the dual nut structure of preventing moving back the nut further fasten the cable and prevent deviating from, and this cable connector can significantly reduce the work load and the operation degree of difficulty of maintenance work, promotes efficiency, shortens the power off time for maintenance work level and security can effectively be promoted.
However, the method still has the obvious defects in the using process: 1. the device clamps and fixes the cable only by extruding the conical elastic sleeve, and the method is single, so that the cable is easy to loosen; 2. when the installation position of the cable is loosened, the device lacks a necessary warning device and cannot remind workers to overhaul and maintain in time; 3. different cables have different purposes, when the number of the installed cables is large, confusion is easy to happen, huge burden is brought to wire arrangement work at the moment, and the device cannot effectively solve the problem, so that the connector is inconvenient to use.
Disclosure of Invention
It is an object of the present invention to provide a cable connector and mounting method for photovoltaic modules that solves the problems set forth in the background above.
In order to achieve the purpose, the invention provides the following technical scheme:
a cable connector for a photovoltaic module, comprising:
the cable connector comprises a connecting pipe body, wherein a conductive connector is embedded in one end of the connecting pipe body and fixedly connected to a conductive rod through a conductive block, the conductive rod is fixedly contacted with an outer conductive concave block, an insulating pipe body is fixedly arranged on one side, away from the conductive rod, of the outer conductive concave block, a hollow conductive screw is arranged in the outer conductive concave block in a threaded manner, an insulating ring is fixedly arranged on one side, away from the conductive connector, of the hollow conductive screw, an inner conductive concave block is movably arranged in a groove of the hollow conductive screw, a cable is arranged in the groove of the inner conductive concave block in a butting manner, an insulating rod is fixedly arranged on one side, away from the cable, of the inner conductive concave block, and the inner conductive concave block and the hollow conductive screw are fixed through a buckling device;
the sliding rod is movably arranged in the side wall, away from the insulating pipe body, of the outer conductive concave block in a penetrating manner, an insulating push plate is fixedly arranged on one side, close to the insulating pipe body, of the sliding rod, a first spring is connected between the insulating push plate and the outer conductive concave block, a first piston plate is fixedly arranged at one end, away from the insulating push plate, of the sliding rod, the first piston plate is movably arranged in a piston pipe, a second piston plate is movably arranged at one end, away from the first piston plate, of the piston pipe, a piston cavity is formed between the first piston plate and the second piston plate, a transmission rod is fixedly arranged on one side, away from the piston cavity, of the second piston plate, the transmission rod is fixedly connected onto the sliding plate, a baffle is fixedly arranged on the side face of the top end of the sliding plate, a window is formed in the baffle, and a first extension rod and a second extension rod are fixedly arranged on one side, away from the sliding plate, of the baffle, a positioning rod is fixedly arranged on one side, close to the connecting pipe body, of the first extension rod;
the indicating ring is rotatably sleeved on the outer side of the connecting pipe body and is fixedly connected to the rotating ring through the connecting rod, and one side of the rotating ring, close to the indicating ring, is provided with a plurality of positioning grooves; and
the operation frame, the operation frame is fixed to be set up on connecting the body, the fixed attention device switch that is provided with of inner wall of operation frame, the fixed attention device that is provided with of outer wall of operation frame, attention device switch and attention device electric connection, and attention device switch, attention device electric connection in conducting rod, the attention device switch can be triggered by the second extension rod.
Preferably, a conductive adhesive is arranged between the cable and the inner conductive concave block.
Preferably, a plurality of elastic pressing sheets are oppositely arranged on the inner wall of the insulating ring and used for clamping and fixing the cable.
Preferably, the buckling device comprises a clamping and embedding rod and a limiting frame, the clamping and embedding rod is fixedly arranged on the inner conductive concave block, the clamping and embedding rod is integrally formed to be provided with a clamping and embedding protrusion, the limiting frame is fixedly arranged on the hollow conductive screw rod, and the limiting frame is internally provided with a limiting protrusion.
Preferably, a first stop block is fixedly arranged on the inner wall of the outlet end of the piston pipe close to the first piston plate, and a second stop block is fixedly arranged on the inner wall of the outlet end of the piston pipe close to the second piston plate.
Preferably, the surface of the rotating ring is provided with anti-slip particles.
Preferably, the alarm switch is electrically connected to the conductive rod through a first conductive wire, and the alarm switch is electrically connected to the alarm through a second conductive wire.
Preferably, a movable plate is movably arranged in the operation frame, a second spring is connected and arranged between the operation frame and the side wall of the operation frame, and a fixed block is fixedly arranged on the inner wall of the opening end of the operation frame.
A method of mounting based on the cable connector for photovoltaic modules, comprising the steps of:
one end of the cable is stuck in the groove of the inner conductive concave block through the conductive adhesive, and after the conductive adhesive is solidified, the cable is pushed inwards, so that the inner conductive concave block is arranged in the hollow conductive screw in a buckling mode;
the insulating ring is held by hand to rotate, so that the hollow conductive screw continuously penetrates into the groove of the outer conductive concave block, the insulating push plate is gradually pushed, the transmission rod extends out to one side far away from the piston tube, the transmission rod pushes the baffle plate through the sliding plate, the indicating ring begins to be exposed out of the window, and at the moment, the insulating ring stops rotating;
the rotating ring is held by a hand to rotate, the rotating ring drives the indicating ring to rotate through the connecting rod, the indicating ring is provided with a plurality of sections of distinguishing marks, and when the edge of the indicating ring with proper marking sections is aligned with the window, the rotating ring is stopped to rotate after the positioning groove on the rotating ring is adjusted to be aligned with the first extension rod;
the insulating ring continues to rotate until the hollow conductive screw rod is screwed down in the outer conductive concave block, the insulating push plate at the moment is further pushed, the transmission rod drives the baffle to completely extend outwards, so that the marking section of the indicating ring is completely exposed in the window on the baffle, at the moment, the first extension rod is just clamped and embedded in the positioning groove, and the second extension rod is just indirectly triggered to switch the alarm, so that the alarm keeps a closed state.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through combination of various structures, the cable is better fixed, the problem that the cable is loosened is effectively avoided, and the using effect is better;
2. the cable installation device is provided with the indicating ring, the indicating ring is provided with the multi-section distinguishing mark, and the indicating ring just begins to be exposed out of the window after the cable is installed, so that the cable installation device has the advantages that the number of cables installed in the connecting pipe body can be quickly determined through the opening degree of the window, when the cable installation is not completed, the indicating ring can be rotated to adjust the marking section to be displayed, after the adjustment is completed, the cable is continuously screwed until the marking section is completely exposed, at the moment, the first extending rod is just clamped and embedded in the positioning groove, the rotating deviation of the indicating ring is prevented from being spontaneously generated, and the second extending rod just indirectly triggers the switch of the alarm, so that the alarm keeps a closed state, the cable installation is completed at the moment, and a user is timely indicated;
3. when the hollow conductive screw rod provided with the cable is loosened in the outer conductive concave block, the insulating push plate can be ejected outwards under the action of the first spring, so that the second extension rod retracts towards one side close to the piston tube, the switch of the alarm loses abutting pressure and triggering, the alarm can be controlled to be started, and a user is reminded to overhaul and maintain in time.
The invention provides a cable connector for a photovoltaic module and an installation method, which are more firm in fixing cables, have the function of marking cables with different purposes, are safer to use and are very worthy of popularization.
Drawings
FIG. 1 is a schematic side sectional view of a portion of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the invention at B in FIG. 2;
FIG. 4 is a schematic top view of the connecting tube of the present invention;
FIG. 5 is a schematic view of the connection position of the first extension rod and the positioning rod of the present invention;
FIG. 6 is a cross-sectional view of the inner structure of the operation frame of the present invention.
In the figure: 1 connecting tube body, 2 conductive connectors, 3 conductive blocks, 4 conductive rods, 5 outer conductive concave blocks, 6 insulating tube bodies, 7 hollow conductive screws, 8 insulating rings, 9 inner conductive concave blocks, 10 conductive adhesives, 11 cables, 12 elastic extrusion sheets, 13 insulating rods, 14 clamping rods, 141 clamping protrusions, 15 limiting frames, 151 limiting protrusions, 16 sliding rods, 17 insulating push plates, 18 first springs, 19 first piston plates, 20 piston tubes, 201 piston cavities, 21 first blocking blocks, 22 second piston plates, 23 transmission rods, 24 second blocking blocks, 25 sliding plates, 26 baffle plates, 261 windows, 27 first extension rods, 28 positioning rods, 29 second extension rods, 30 indicating rings, 31 connecting rods, 32 rotating rings, 321 positioning grooves, 322 anti-sliding particles, 33 operating frames, 34 alarm switches, 35 alarms, 36 first conductive wires, 37 second conductive wires, 38 moving plates, 39 second springs, And (40) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Example (b):
referring to fig. 1 to 6, the present invention provides a technical solution:
a cable connector for a photovoltaic module, comprising:
a connecting pipe body 1, a conductive joint 2 is embedded in one end of the connecting pipe body 1, the conductive joint 2 is fixedly connected with a conductive rod 4 through a conductive block 3, the conductive rod 4 and an outer conductive concave block 5 are fixedly contacted to conduct current, an insulating pipe body 6 is fixedly arranged on one side of the outer conductive concave block 5 away from the conductive rod 4, the insulating pipe body 6 is arranged to prevent a user from directly contacting the outer conductive concave block 5 and further avoid potential safety hazards, a hollow conductive screw 7 is arranged in the outer conductive concave block 5 in a threaded manner, the hollow conductive screw 7 can rotate and move in the outer conductive concave block 5 and conduct current to the outer conductive concave block 5, an insulating ring 8 is fixedly arranged on one side of the hollow conductive screw 7 away from the conductive joint 2, the user directly contacts the insulating ring 8 during installation, no electric shock risk occurs, an inner conductive concave block 9 is movably arranged in a groove of the hollow conductive screw 7, a cable 11 is arranged in a groove of the inner conductive concave block 9 in a butting manner, the cable 11 can conduct current to the inner conductive concave block 9, an insulating rod 13 is fixedly arranged on one side, away from the cable 11, of the inner conductive concave block 9, so that the current on the inner conductive concave block 9 can only be conducted to the hollow conductive screw 7 and cannot be conducted to the insulating rod 13, the inner conductive concave block 9 and the hollow conductive screw 7 are fixed through a buckling device, and further the cable 11 is limited and fixed;
a sliding rod 16, the sliding rod 16 is movably arranged in the side wall of the outer conductive concave block 5 far from the insulating tube body 6 in a penetrating manner, an insulating push plate 17 is fixedly arranged on one side of the sliding rod 16 close to the insulating tube body 6, a first spring 18 is connected between the insulating push plate 17 and the outer conductive concave block 5, the first spring 18 has elasticity, a first piston plate 19 is fixedly arranged at one end of the sliding rod 16 far from the insulating push plate 17, the first piston plate 19 is movably arranged in a piston tube 20, a second piston plate 22 is movably arranged at one end of the piston tube 20 far from the first piston plate 19, both the first piston plate 19 and the second piston plate 22 can move along the inner wall of the piston tube 20, a piston cavity 201 is formed between the first piston plate 19 and the second piston plate 22, the piston cavity 201 is filled with media such as piston oil and piston liquid, a transmission rod 23 is fixedly arranged on one side of the second piston plate 22 far from the piston cavity 201, the transmission rod 23 is fixedly connected to the sliding plate 25, a baffle 26 is fixedly arranged on the side face of the top end of the sliding plate 25, the baffle 26 is made of non-transparent materials, a window 261 is formed in the baffle 26, a first extension rod 27 and a second extension rod 29 are fixedly arranged on one side, far away from the sliding plate 25, of the baffle 26, a positioning rod 28 is fixedly arranged on one side, close to the connecting pipe body 1, of the first extension rod 27, the number of the first extension rods 27 can be two, the second extension rods 29 are located between the two first extension rods 27, and stress is uniform;
the indicating ring 30 is sleeved outside the connecting pipe body 1 in a rotating mode, a plurality of sections of distinguishing marks are arranged on the indicating ring 30 and can be distinguished through different colors, numbers, materials and the like, a user can find the corresponding cable 11 quickly, the indicating ring 30 is fixedly connected to the rotating ring 32 through the connecting rod 31, when the position of the indicating ring 30 needs to be adjusted by the user, the indicating ring can rotate through the rotating ring 32, a plurality of positioning grooves 321 are formed in one side, close to the indicating ring 30, of the rotating ring 32, and the diameter of each positioning groove 321 is larger than or equal to that of each positioning rod 28; and
an operation frame 33, the operation frame 33 is fixedly arranged on the connecting tube body 1, the distance between the connecting rod 31 and the connecting tube body 1 is larger than the overall height of the operation frame 33 and the warning device 35, therefore, the connecting rod 31 will not touch the operation frame 33 and the alarm 35 when rotating around the connecting tube 1, the inner wall of the operation frame 33 is fixedly provided with the alarm switch 34, the outer wall of the operation frame 33 is fixedly provided with the alarm 35, the alarm switch 34 is electrically connected with the alarm 35, when the alarm switch 34 is pressed and triggered, the alarm 35 is in a closed state, which is a reverse indication, indicating that the hollow conductive screw 7 with the cable 11 is not separated from the outer conductive female block 5, and the alarm switch 34, the alarm 35 are electrically connected to the conducting rod 4, no additional power supply device is needed, the whole structure is more simplified, the use is convenient, and the alarm switch 34 can be triggered by the second extension rod 29.
Preferably, a conductive adhesive 10 is disposed between the cable 11 and the inner conductive female block 9, and the conductive adhesive 10 is disposed such that the cable 11 can be more firmly fixed in the inner conductive female block 9 without being easily released.
Preferably, a plurality of elastic pressing pieces 12 are oppositely arranged on the inner wall of the insulating ring 8 and used for clamping and fixing the cable 11, and the elastic pressing pieces 12 have certain elastic deformation force, so that the cable 11 can be fixed and limited from the outside, and the cable 11 cannot be damaged due to over-tight clamping.
Preferably, the buckling device comprises a clamping and embedding rod 14 and a limiting frame 15 which are detachably separated, the clamping and embedding rod 14 is fixedly arranged on the inner conductive concave block 9, the clamping and embedding rod 14 is integrally formed to be provided with clamping and embedding protrusions 141, the limiting frame 15 is fixedly arranged on the hollow conductive screw 7, the limiting frame 15 is integrally formed to be provided with limiting protrusions 151, the integral stability of the device can be improved due to the integral forming, the device is not prone to fracture and damage, and the device is more durable.
Preferably, a first stopper 21 is fixedly arranged on the inner wall of the outlet end of the piston tube 20 close to the first piston plate 19, the first stopper 21 is arranged to prevent the first piston plate 19 from being separated from the inner cavity of the piston tube 20 during the moving process, a second stopper 24 is fixedly arranged on the inner wall of the outlet end of the piston tube 20 close to the second piston plate 22, and the second stopper 24 is arranged to prevent the second piston plate 22 from being separated from the inner cavity of the piston tube 20 during the moving process, so that the device can be used repeatedly.
Preferably, the surface of the rotating ring 32 is provided with anti-slip particles 322, and the anti-slip particles 322 increase the friction force, so as to avoid the problem of slipping when the user rotates the rotating ring 32, and to be more stable.
Preferably, the alarm switch 34 is electrically connected to the conductive rod 4 through a first conductive wire 36, and the alarm switch 34 is electrically connected to the alarm 35 through a second conductive wire 37, so that the conductive rod 4 can supply power to the alarm switch 34 and the alarm 35, and the cable 11 can supply power to the conductive rod 4, so that the alarm switch 34 and the alarm 35 can be used without additional power supply, thereby achieving effective simplification in structure and more convenient use.
Preferably, a moving plate 38 is movably disposed in the operating frame 33, a second spring 39 is disposed between the operating frame 33 and a side wall of the operating frame 33, the moving plate 38 can press the trigger alarm switch 34 when moving, a fixed block 40 is fixedly disposed on an inner wall of an opening end of the operating frame 33, and the fixed block 40 can prevent the moving plate 38 from being ejected out of the operating frame 33 under an elastic force of the second spring 39.
A method of installation based on cable connectors for photovoltaic modules, comprising the steps of:
the method comprises the following steps: one end of a cable 11 is stuck in a groove of the inner conductive concave block 9 through a conductive adhesive 10, after the conductive adhesive 10 is solidified, the cable 11 is pushed inwards, so that the inner conductive concave block 9 is arranged in the hollow conductive screw 7 in a buckling mode, specifically, the embedding rod 14 extends into the limiting frame 15, the embedding protrusion 141 is limited and fixed by the limiting protrusion 151 after being extruded through the limiting protrusion 151, and therefore, stable fixation between the inner conductive concave block 9 and the hollow conductive screw 7 is ensured, current of the cable 11 can be transmitted to the hollow conductive screw 7 after sequentially passing through the conductive adhesive 10 and the inner conductive concave block 9, and then is transmitted to the conductive connector 2 through the outer conductive concave block 5, the conductive rod 4 and the conductive block 3;
step two: the insulation ring 8 is held by hand to rotate, so that the hollow conductive screw 7 continuously penetrates into the groove of the outer conductive concave block 5, the insulation push plate 17 is gradually pushed at the moment, the insulation push plate 17 pushes the first piston plate 19 through the sliding rod 16, the second piston plate 22 is ejected outwards under the action of media such as piston oil and piston liquid in the piston cavity 201, the sliding plate 25 is further pushed through the transmission rod 23, the sliding plate 25 pushes the baffle 26, the edge of the indication ring 30 begins to be exposed out of the window 261, and the insulation ring 8 stops rotating at the moment, so that the baffle 26 completely covers the indication ring 30 for the connection pipe body 1 without the cable 11, and a user can quickly determine how many cables 11 are installed in the connection pipe body 1 through the opening degree of the window 261 on the baffle 26;
step three: the handheld rotating ring 32 rotates, the rotating ring 32 drives the indicating ring 30 to rotate through the connecting rod 31, the indicating ring 30 is provided with a plurality of sections of distinguishing marks, when the edge of the indicating ring 30 with a proper marking section is aligned with the window 261, the positioning groove 321 in the rotating ring 32 is adjusted to be aligned with the first extension rod 27, and then the rotating ring 32 stops rotating, at the moment, the corresponding marking section indicates the classification of the cable 11, so that a user can quickly know the action of the cable 11, and the maintenance is facilitated;
step four: the insulating ring 8 is continuously rotated until the hollow conductive screw 7 is screwed in the outer conductive concave block 5, at this time, the insulating push plate 17 is further pushed, the transmission rod 23 drives the baffle 26 to completely extend outwards, so that the marked section of the indicating ring 30 is completely exposed in the window 261 on the baffle 26, which is more intuitive, meanwhile, on one hand, the first extension rod 27 is just clamped in the positioning groove 321 of the rotating ring 32, so that the rotating ring 32 cannot spontaneously rotate and deviate, and therefore, the indicating ring 30 cannot rotate, on the other hand, the second extension rod 29 is driven forwards, and indirectly triggers the alarm switch 34 through the movable plate 38, so that the alarm 35 keeps a closed state, at this time, the alarm 35 does not work, which indicates that the cable 11 is not loosened, if the hollow conductive screw 7 provided with the cable 11 is loosened from the outer conductive concave block 5, the insulating push plate 17 is pushed outwards by the first spring 18, therefore, the transmission rod 23 can drive the second extension rod 29 to retract, so that the alarm switch 34 loses abutting triggering, the alarm 35 is started immediately, a user is reminded of loosening the cable 11 at the moment, and the maintenance is carried out in time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A cable connector for a photovoltaic module, comprising:
the connecting pipe body (1), a conductive joint (2) is embedded into one end of the connecting pipe body (1), the conductive joint (2) is fixedly connected to a conductive rod (4) through a conductive block (3), the conductive rod (4) and an outer conductive concave block (5) are fixedly contacted, an insulating pipe body (6) is fixedly arranged on one side, away from the conductive rod (4), of the outer conductive concave block (5), a hollow conductive screw rod (7) is arranged in the outer conductive concave block (5) in a threaded manner, an insulating ring (8) is fixedly arranged on one side, away from the conductive joint (2), of the hollow conductive screw rod (7), an inner conductive concave block (9) is movably arranged in a groove of the hollow conductive screw rod (7), a cable (11) is arranged in a groove of the inner conductive concave block (9) in a butting manner, and an insulating rod (13) is fixedly arranged on one side, away from the cable (11), of the inner conductive concave block (9), the inner conductive concave block (9) and the hollow conductive screw (7) are fixed through a buckling device;
the sliding rod (16) is movably arranged in a side wall, away from the insulating pipe body (6), of the outer conductive concave block (5) in a penetrating mode, an insulating push plate (17) is fixedly arranged on one side, close to the insulating pipe body (6), of the sliding rod (16), a first spring (18) is connected and arranged between the insulating push plate (17) and the outer conductive concave block (5), a first piston plate (19) is fixedly arranged at one end, away from the insulating push plate (17), of the sliding rod (16), the first piston plate (19) is movably arranged in a piston pipe (20), a second piston plate (22) is movably arranged at one end, away from the first piston plate (19), of the piston pipe (20), a piston cavity (201) is formed between the first piston plate (19) and the second piston plate (22), and a transmission rod (23) is fixedly arranged on one side, away from the piston cavity (201), of the second piston plate (22), the transmission rod (23) is fixedly connected to the sliding plate (25), a baffle (26) is fixedly arranged on the side face of the top end of the sliding plate (25), a window (261) is formed in the baffle (26), a first extension rod (27) and a second extension rod (29) are fixedly arranged on one side, far away from the sliding plate (25), of the baffle (26), and a positioning rod (28) is fixedly arranged on one side, close to the connecting pipe body (1), of the first extension rod (27);
the indicating ring (30) is rotatably sleeved on the outer side of the connecting pipe body (1), the indicating ring (30) is fixedly connected to a rotating ring (32) through a connecting rod (31), and one side, close to the indicating ring (30), of the rotating ring (32) is provided with a plurality of positioning grooves (321); and
operation frame (33), operation frame (33) are fixed to be set up on connecting tube body (1), the inner wall of operation frame (33) is fixed and is provided with alarm switch (34), the outer wall of operation frame (33) is fixed and is provided with alarm (35), alarm switch (34) and alarm (35) electric connection, and alarm switch (34), alarm (35) electric connection in conducting rod (4), alarm switch (34) can be triggered by second extension rod (29).
2. A cable connector for a photovoltaic module according to claim 1, wherein: and a conductive adhesive (10) is arranged between the cable (11) and the inner conductive concave block (9).
3. A cable connector for a photovoltaic module according to claim 1, wherein: the inner wall of the insulating ring (8) is relatively provided with a plurality of elastic extrusion sheets (12) for clamping and fixing the cable (11).
4. A cable connector for a photovoltaic module according to claim 1, wherein: the buckling device comprises a clamping and embedding rod (14) and a limiting frame (15) which can be detached and separated, wherein the clamping and embedding rod (14) is fixedly arranged on an inner conductive concave block (9), the clamping and embedding rod (14) is provided with clamping and embedding protrusions (141) in an integrated forming mode, the limiting frame (15) is fixedly arranged on a hollow conductive screw rod (7), and the limiting frame (15) is provided with limiting protrusions (151) in an integrated forming mode.
5. A cable connector for a photovoltaic module according to claim 1, wherein: a first blocking block (21) is fixedly arranged on the inner wall of the outlet end of the piston pipe (20) close to the first piston plate (19), and a second blocking block (24) is fixedly arranged on the inner wall of the outlet end of the piston pipe (20) close to the second piston plate (22).
6. A cable connector for a photovoltaic module according to claim 1, wherein: the surface of the rotating ring (32) is provided with anti-slip particles (322).
7. A cable connector for a photovoltaic module according to claim 1, wherein: the alarm switch (34) is electrically connected to the conductive rod (4) through a first conductive wire (36), and the alarm switch (34) is electrically connected to the alarm (35) through a second conductive wire (37).
8. A cable connector for a photovoltaic module according to claim 7, wherein: a moving plate (38) is movably arranged in the operation frame (33), a second spring (39) is connected between the operation frame (33) and the side wall of the operation frame (33), and a fixing block (40) is fixedly arranged on the inner wall of the opening end of the operation frame (33).
9. A method of mounting a cable connector for a photovoltaic module according to any one of claims 1 to 8, wherein: the method comprises the following steps:
one end of a cable (11) is pasted in the groove of the inner conductive concave block (9) through a conductive adhesive (10), and after the conductive adhesive (10) is solidified, the cable (11) is pushed inwards, so that the inner conductive concave block (9) is arranged in the hollow conductive screw (7) in a buckling mode;
the handheld insulating ring (8) rotates to enable the hollow conductive screw rod (7) to continuously go deep into the groove of the outer conductive concave block (5), the insulating push plate (17) is gradually pushed to enable the transmission rod (23) to extend out to one side far away from the piston tube (20), the transmission rod (23) pushes the baffle (26) through the sliding plate (25), the indication ring (30) starts to be exposed out of the window (261), and at the moment, the insulating ring (8) stops rotating;
the handheld rotating ring (32) rotates, the rotating ring (32) drives the indicating ring (30) to rotate through the connecting rod (31), the indicating ring (30) is provided with a plurality of sections of distinguishing marks, and when the edge of the indicating ring (30) with suitable marking sections is aligned to the window (261), the positioning groove (321) in the rotating ring (32) is adjusted to be aligned to the first extending rod (27), and then the rotating ring (32) stops rotating;
the insulating ring (8) continues to rotate until the hollow conductive screw rod (7) is screwed down in the outer conductive concave block (5), the insulating push plate (17) at the moment is further pushed, the transmission rod (23) drives the baffle (26) to completely extend outwards, so that the marking section of the indicating ring (30) is completely exposed in the window (261) on the baffle (26), at the moment, the first extension rod (27) is just clamped in the positioning groove (321), and the second extension rod (29) is just indirectly triggered to the alarm switch (34), so that the alarm (35) keeps a closed state.
CN202110615644.1A 2021-06-02 2021-06-02 Cable connector for photovoltaic modules and method of installation Active CN113363768B (en)

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CN116027231B (en) * 2023-03-29 2023-06-16 山东亿诺电气科技有限公司 Cable joint on-line monitoring equipment
CN117498249B (en) * 2024-01-02 2024-03-08 泉州市三川通讯技术股份有限责任公司 Antenna coaxial cable protection wire clamp with emergency protection function
CN117913591B (en) * 2024-02-02 2024-07-02 临沂华传电子科技有限公司 Photoelectric connection cable harness

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CN207719427U (en) * 2018-01-17 2018-08-10 青岛新祥电缆有限公司 A kind of readily discernible cable
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CN207719427U (en) * 2018-01-17 2018-08-10 青岛新祥电缆有限公司 A kind of readily discernible cable
CN112103703A (en) * 2020-09-15 2020-12-18 国网山东省电力公司济南市章丘区供电公司 Power supply plug device

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