CN218272553U - Photovoltaic energy storage cable branch box with fault alarm function - Google Patents
Photovoltaic energy storage cable branch box with fault alarm function Download PDFInfo
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- CN218272553U CN218272553U CN202221891471.2U CN202221891471U CN218272553U CN 218272553 U CN218272553 U CN 218272553U CN 202221891471 U CN202221891471 U CN 202221891471U CN 218272553 U CN218272553 U CN 218272553U
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Abstract
The utility model provides a photovoltaic energy storage cable feeder pillar with malfunction alerting function, including the cable feeder pillar body, total cable and malfunction alerting device have been placed to inside, malfunction alerting device comprises lithium cell combination package and cable fault arbiter, link to each other through the circuit between, lithium cell combination package passes through the cable with the photovoltaic board and is connected, supply power to cable fault arbiter, total cable stretches into the cable feeder pillar from cable feeder pillar bottom in, it is square into two piece at least looks cables above that, every looks cable has the one end of ground connection braid with bus cable junction system, its other end links to each other with the ground connection copper bar, bus cable and ground connection braid and looks cable all overlap outward and are equipped with cable fault arbiter. The utility model is used for short-circuit fault and earth fault in the corresponding cable section are detected and instructed, upload to the monitoring main website with fault information through wireless mode, and the fortune dimension personnel shorten the processing fault time according to the warning instruction, in time the troubleshooting, resume to the user power supply, improve power supply stability.
Description
Technical Field
The utility model relates to a photovoltaic energy storage cable feeder pillar with malfunction alerting function belongs to cable feeder pillar technical field.
Background
With the development of the cabling process of the power distribution network, when the independent load distribution with small capacity is concentrated, the cable branch box can be used for connecting cables in a multi-branch mode, because the branch box cannot directly operate each path and is only used as a cable branch, the cable branch box mainly has the function of branching or switching the cables. Electric power is one of important energy sources in China, the requirement for the arrangement of the electric power in various cities in China is high at present, a cable branch box is one of important equipment in the electric power equipment, but the existing cable branch box has single function and cannot feed back internal information in time, when the cable branch box is wetted by rainwater in windy and rainy weather, parts in the branch box are damaged, and the production life of people can be greatly influenced if the parts cannot be processed and rush-repaired in time. Therefore, the photovoltaic energy storage cable branch box with the fault alarm function is designed to overcome the problems.
Disclosure of Invention
The photovoltaic energy storage cable branch box with the fault alarm function is simple in structure, long in service life and multifunctional, improves power supply stability, eliminates internal faults of the cable branch box in time, recovers power supply to users, and has the fault alarm function.
The utility model discloses a realize through following technical scheme: a photovoltaic energy storage cable branch box with a fault alarm function comprises a cable branch box body, wherein a main cable and a fault alarm device are placed in the main body, the fault alarm device is composed of a lithium battery combination bag and a cable fault discriminator and is connected through a circuit, the lithium battery combination bag is connected with a photovoltaic plate arranged on the cable branch box through a cable, electricity generated by the photovoltaic plate is stored through the lithium battery combination bag and then is supplied to the cable fault discriminator, the main cable extends into the cable branch box from the bottom of the cable branch box and is divided into at least two phase cables above the main cable, the connection position of each phase cable and the main cable is provided with one end of a grounding braided belt, the other end of the main cable and the grounding braided belt is connected with a grounding copper bar for grounding, cable fault discriminators are sleeved outside the main cable, the grounding braided belt and the phase cables, and the cable fault discriminators are used for detecting and indicating short circuit faults and grounding faults in corresponding sections of the main cable, the phase cables and the grounding braided belts in the cable branch box.
Preferably, the method comprises the following steps: the cable fault discriminator comprises a grounding sensor, a short-circuit sensor and a power distribution network fault indicator with a communication module, wherein the grounding sensor is sleeved outside the connecting part of a grounding braid and a main cable and a phase cable through a fastener, the power distribution network fault indicator is arranged on the side wall of a cable branch box on one side opposite to the grounding sensor and embedded in a mounting groove formed in the cable branch box, a functional panel of the power distribution network fault indicator is exposed out of the cable branch box and is convenient to observe and operate, the short-circuit sensor is respectively sleeved outside the phase cable through the fastener, data of the cable are detected in real time through the grounding sensor and the short-circuit sensor, grounding fault and short-circuit fault information in a corresponding section are transmitted to the power distribution network fault indicator through a line, the power distribution network fault indicator uploads the fault information to a monitoring main station in a wireless mode through the communication module, and operation and maintenance personnel are reminded to determine the fault type and the fault section according to find out fault points in time.
Preferably, the method comprises the following steps: the number of the phase cables is three, namely a phase cable A, a phase cable B and a phase cable C, and the three phase cables are fixed through a three-fork cold-shrink sleeve sleeved at the joint of the main cable and the three phase cables.
Preferably, the method comprises the following steps: the lithium battery combination package sets up on the inside wall of cable branch box, and the cable of being connected between and the photovoltaic board is the spring cable.
Preferably, the method comprises the following steps: the photovoltaic panel is fixed on one side of the top surface of the cable branch box through a hinge, and two sides below the photovoltaic panel are respectively provided with a support ring for folding and furling the photovoltaic panel when no light is emitted; when the cable branch box is illuminated, the photovoltaic panel is opened, and the supporting rods arranged on the cable branch box are clamped into the supporting rings at the bottom of the photovoltaic panel to be fixed.
The utility model discloses an install cable fault discriminator additional for short-circuit fault and earth fault in the corresponding cable zone section are detected and instructed, and upload fault information to the monitoring main website through wireless mode, thereby fortune dimension personnel confirm fault type, thereby trouble zone section in time finds the fault point, shorten the time of seeking the processing trouble, help in time fault elimination, resume to the user power supply, improve power supply stability, and has simple structure, long service life, a great deal of advantage such as function is various.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the present invention.
Fig. 2 is the overall structure diagram (photovoltaic panel closed) of the present invention.
Fig. 3 is the overall structure diagram (photovoltaic panel is opened) of the present invention.
Fig. 4 is a system framework diagram of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "lateral", "vertical", and the like are the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, a photovoltaic energy storage cable branch box with a fault alarm function comprises a cable branch box body 1, a main cable 2 and a fault alarm device are placed in the body 1, the fault alarm device is composed of a lithium battery combination package 3 and a cable fault discriminator 4, the lithium battery combination package 3 is connected with a photovoltaic panel 5 arranged on the cable branch box through a cable, the lithium battery combination package 3 stores electricity generated by the photovoltaic panel 5 and supplies power to the cable fault discriminator 4, the main cable 2 extends into the cable branch box from the bottom of the cable branch box, the main cable is divided into at least two phase cables above the main cable, the connection position of each phase cable and the main cable 2 is provided with one end of a grounding braided belt 9, the other end of the main cable and the grounding braided belt 9 is connected with a grounding copper bar 10 for grounding, the main cable 2, the grounding braided belt 9 and the phase cables are externally sleeved with the cable fault discriminator 4, and the cable fault discriminator 4 is used for detecting and indicating a short circuit and a grounding fault in a corresponding cable section of the main cable 2, the phase, the grounding braided belt 9 and the grounding cable branch box.
The cable fault discriminator 4 comprises a grounding sensor 12, a short-circuit sensor 13 and a power distribution network fault indicator 15 with a communication module 14, which are connected through a line, wherein the grounding sensor 12 is sleeved on the outer sides of the connecting positions of the grounding braid 9 and the main cable 2 and the phase cable through fasteners, the power distribution network fault indicator 15 is arranged on the side wall of the cable branch box 1 on the opposite side of the grounding sensor 12, the power distribution network fault indicator 15 is embedded in a mounting groove formed in the cable branch box 1, a functional panel 16 of the power distribution network fault indicator 15 is exposed out of the cable branch box 1 for facilitating observation and operation, the short-circuit sensor 13 is respectively sleeved on the outer sides of the phase cable through the fasteners, data of the cable is detected in real time through the grounding sensor 12 and the short-circuit sensor 13, grounding fault and short-circuit fault information in corresponding sections are transmitted to the power distribution network fault indicator 15 through the line, and the power distribution network fault indicator 15 uploads the fault information to a monitoring main station in a wireless mode through the communication module 14, and thereby reminding a maintenance operator to determine the fault type and find a fault section in time according to alarm indication.
The number of the phase cables is three, the phase cables are respectively a phase cable A6, a phase cable B7 and a phase cable C8, and the three phase cables are fixed through a three-fork cold-shrinkage sleeve 11 which is sleeved at the joint of the main cable 2 and the three phase cables. Lithium cell combination package 3 sets up on the inside wall of cable branch box 1, and the cable of being connected between the photovoltaic board 5 is spring cable 19, spring cable 19 is used for making things convenient for the cable branch box to open and maintains and detect, and is not fragile.
The number of the photovoltaic panels 5 is at least one, the photovoltaic panels are fixed on one side edge of the top surface of the cable branch box through hinges 17, and support rings 20 are respectively arranged on two sides below the photovoltaic panels 5 and used for folding and furling the photovoltaic panels when no light is emitted; when the photovoltaic panel 5 is illuminated, the photovoltaic panel 5 is opened and clamped into a support ring 20 at the bottom of the photovoltaic panel 5 for fixing through a support rod 18 arranged on the cable branch box, and the support rod 18 can also adjust the fixing angle of the photovoltaic panel. Fig. 2 and fig. 3 are schematic structural diagrams of the cable branch box after the photovoltaic panel is closed and opened, respectively.
As shown in fig. 4, for the utility model discloses a system frame diagram, cable fault arbiter 4's quantity is not limited to 1 or 2, specifically carries out adjustment in quantity according to the timely condition, also can be a plurality of, and cable fault arbiter can singly carry out work or a plurality of simultaneous working for shorten the time of seeking the processing trouble, help in time troubleshooting, the recovery is to the user power supply, improves power stability.
The power supply of the cable fault discriminator in the utility model is solved by using a local photovoltaic system (photovoltaic panel), and the current sampling of the device is collected by CT on the cable fault discriminator; the information of the device is uploaded by additionally arranging a 4G communication module in the device for communication between the device and a dispatching master station, and the encryption of the communication part is realized by using a national network hardware encryption method.
The utility model discloses a concrete working process as follows: the photovoltaic board turns into the electric energy with the solar energy of gathering, then through spring cable 19 storage in lithium cell combination package, lithium cell combination package gives distribution network fault indicator power supply through cable b, then shunt partial electric energy into the sensor through shielded cable d in, make the sensor normally work, rethread optic fibre c, distribution network fault indicator can real-time supervision measured cable state, upload fault information to the monitoring main website through wireless mode, operation and maintenance personnel are according to warning indication, confirm the fault type, thereby the trouble district section in time finds the fault point, shorten the time of seeking and handling the trouble, help is in time eliminated the trouble, resume and supply power to the user, improve power supply stability.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (5)
1. The utility model provides a photovoltaic energy storage cable feeder pillar with malfunction alerting function, includes the cable feeder pillar body, has placed total cable and malfunction alerting device in this body, its characterized in that: the fault alarm device is characterized by comprising a lithium battery combination bag and a cable fault discriminator, wherein the lithium battery combination bag is connected with a photovoltaic plate arranged on a cable branch box through a cable, the photovoltaic plate stores electricity generated by the photovoltaic plate through the lithium battery combination bag and supplies power to the cable fault discriminator, a total cable extends into the cable branch box from the bottom of the cable branch box and is divided into at least two phase cables above the cable branch box, one end of a grounding braid is arranged at the joint of each phase cable and the total cable, the other end of the grounding braid is connected with a grounding copper bar for grounding, the cable fault discriminator is sleeved outside the total cable, the grounding braid and the phase cables, and the cable fault discriminator is used for detecting and indicating short-circuit faults and grounding faults in corresponding sections of the total cable, the phase cables and the grounding braid in the cable branch box.
2. The photovoltaic energy storage cable branch box with the fault warning function according to claim 1, wherein: the cable fault discriminator comprises a grounding sensor, a short-circuit sensor and a power distribution network fault indicator with a communication module, the grounding sensor, the short-circuit sensor and the power distribution network fault indicator are connected through a line, the grounding sensor is sleeved on the outer side of a connecting part of a grounding woven belt and a main cable and a phase cable through a fastener, the power distribution network fault indicator is arranged on the side wall of a cable branch box on the opposite side of the grounding sensor, the power distribution network fault indicator is embedded and installed in a mounting groove formed in the cable branch box, a functional panel of the power distribution network fault indicator is exposed out of the cable branch box and is convenient to observe and operate, the short-circuit sensor is respectively sleeved on the outer side of the phase cable through the fastener, data of the cable are detected in real time through the grounding sensor and the short-circuit sensor, grounding fault information and short-circuit fault information in a corresponding section are transmitted to the power distribution network fault indicator through the line, the power distribution network fault indicator uploads the fault information to a monitoring master station in a wireless mode through the communication module, and operation and maintenance personnel are reminded to determine a fault type and fault section according to find a fault point in time according to alarm indication.
3. The photovoltaic energy storage cable branch box with the fault warning function according to claim 1, wherein: the number of the phase cables is three, the three phase cables are respectively a phase cable A, a phase cable B and a phase cable C, and the three phase cables are fixed through a trident cold-shrinkage sleeve sleeved at the joint of the main cable and the three phase cables.
4. The photovoltaic energy storage cable branch box with the fault warning function according to claim 1, wherein: the lithium battery combination package sets up on the inside wall of cable branch box, and the cable of being connected between and the photovoltaic board is the spring cable.
5. The photovoltaic energy storage cable branch box with the fault warning function according to claim 4, wherein: the photovoltaic panels are at least one and fixed on one side of the top surface of the cable branch box through hinges, and support rings are respectively arranged on two sides below the photovoltaic panels and used for folding and furling the photovoltaic panels when no light is emitted; when the cable branch box is illuminated, the photovoltaic panel is opened, and the supporting rods arranged on the cable branch box are clamped into the supporting rings at the bottom of the photovoltaic panel to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221891471.2U CN218272553U (en) | 2022-07-21 | 2022-07-21 | Photovoltaic energy storage cable branch box with fault alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221891471.2U CN218272553U (en) | 2022-07-21 | 2022-07-21 | Photovoltaic energy storage cable branch box with fault alarm function |
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| Publication Number | Publication Date |
|---|---|
| CN218272553U true CN218272553U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221891471.2U Active CN218272553U (en) | 2022-07-21 | 2022-07-21 | Photovoltaic energy storage cable branch box with fault alarm function |
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| CN (1) | CN218272553U (en) |
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2022
- 2022-07-21 CN CN202221891471.2U patent/CN218272553U/en active Active
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