CN214428588U - Photovoltaic power plant direct current bus fuse - Google Patents
Photovoltaic power plant direct current bus fuse Download PDFInfo
- Publication number
- CN214428588U CN214428588U CN202120002434.0U CN202120002434U CN214428588U CN 214428588 U CN214428588 U CN 214428588U CN 202120002434 U CN202120002434 U CN 202120002434U CN 214428588 U CN214428588 U CN 214428588U
- Authority
- CN
- China
- Prior art keywords
- fuse
- direct current
- photovoltaic power
- pressure plate
- fastening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a photovoltaic power plant direct current bus fuse, includes direct current cabinet, fuse and link, direct current cabinet top one side is provided with the warning light, the direct current cabinet top is provided with the entering line, it is provided with the circuit breaker to get into line below, be provided with in the circuit breaker the fuse. The utility model discloses a set up the link, the fastening silk, fastening spring, the firing pin, pressure sensor, signal receiver and signal transmitter, can shunt current through the link, when the current was too big on the link, the fastening silk blows, make fastening spring drive firing pin touching pressure plate, when firing pin touching pressure plate, detect touching information through pressure sensor, and receive pressure sensor's information through signal receiver, and carry the backstage with information through signal transmitter, the behavior of real time monitoring fuse, very big assurance is to DC system's accident prevention and steady operation.
Description
Technical Field
The utility model relates to a direct current bus-bar fuse technical field, concretely relates to photovoltaic power plant direct current bus-bar fuse.
Background
The fuse is an electric appliance which fuses a melt by using the heat generated by the fuse when the current exceeds a specified value and disconnects a circuit, and the fuse fuses the melt by using the heat generated by the fuse after the current exceeds the specified value for a period of time so as to disconnect the circuit; a current protector is made by applying the principle.
When the existing photovoltaic power station direct-current bus fuse is used, a fusing signal warning node is not installed in the direct-current system bus fuse, so that the working condition of the fuse cannot be monitored in real time by a background, and great potential safety hazards are brought to accident prevention and stable operation of a direct-current system.
Disclosure of Invention
In order to overcome the defects of the prior art, the photovoltaic power station direct-current bus fuse is provided, and the problems that the working condition of the fuse cannot be monitored in real time in a background, and great potential safety hazards are brought to accident prevention and stable operation of a direct-current system are solved.
The utility model discloses a following technical scheme realizes: the utility model provides a photovoltaic power plant direct current bus fuse, includes direct current cabinet, fuse and link, direct current cabinet top one side is provided with the warning light, direct current cabinet top is provided with the admission line, the admission line below is provided with the circuit breaker, be provided with in the circuit breaker the fuse, be provided with the fuse in the fuse, fuse one side is provided with the link, link one side is provided with the fastening wire, the fastening wire below is provided with fastening spring, fastening spring one side is provided with the firing pin, firing pin one side is provided with the pressure plate, be provided with pressure sensor on the pressure plate, the pressure plate below is provided with signal receiver, signal receiver below is provided with signal transmitter, the circuit breaker below is provided with the output line.
Further, the inlet line is electrically connected to the circuit breaker, and the outlet line is electrically connected to the circuit breaker.
Through adopting above-mentioned technical scheme, can pass through the circuit breaker protects the circuit.
Furthermore, one side of the connecting frame is welded with the fastening wire, and the other side of the connecting frame is welded with the fuse.
By adopting the technical scheme, current can be shunted through the connecting frame, and when the current on the connecting frame is large, the fastening wire is blown, so that the fastening spring drives the firing pin to touch the pressure plate.
Further, one side of the fastening wire is welded to the fastening spring, and the striker is welded to the fastening spring.
By adopting the technical scheme, when the fastening wire is disconnected due to overhigh temperature, the fastening spring can drive the firing pin to touch the pressure plate.
Further, the pressure plate is screwed to the fuse, and the pressure sensor is screwed to the pressure plate.
By adopting the technical scheme, when the striker touches the pressure plate, touch information can be detected through the pressure sensor.
Further, the pressure sensor is electrically connected with the signal receiver, and the signal receiver is electrically connected with the signal transmitter.
Compared with the prior art, the utility model, following beneficial effect has:
through setting up the link, the fastening silk, fastening spring, the firing pin, pressure sensor, signal receiver and signal transmitter, can shunt current through the link, when the current was too big on the link, the fastening silk blows, make fastening spring drive firing pin touching pressure plate, when firing pin touching pressure plate, detect touching information through pressure sensor, and receive pressure sensor's information through signal receiver, and carry information to the backstage through signal transmitter, the behavior of real time monitoring fuse, very big assurance to DC system's accident prevention and steady operation.
Drawings
Fig. 1 is a main sectional view of a dc bus fuse of a photovoltaic power station according to the present invention;
fig. 2 is an enlarged view of a position a in a dc bus fuse of a photovoltaic power station according to the present invention;
fig. 3 is a circuit block diagram of a dc bus fuse of a photovoltaic power station.
The reference numerals are explained below:
1. a DC cabinet; 2. a warning light; 3. entering a line; 4. a circuit breaker; 5. a fuse; 6. a fuse; 7. a connecting frame; 8. fastening the wires; 9. a fastening spring; 10. a striker; 11. a pressure plate; 12. a pressure sensor; 13. a signal receiver; 14. a signal transmitter; 15. and (6) an output line.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1-3, the dc bus fuse of the photovoltaic power station in this embodiment includes a dc cabinet 1, a fuse 5 and a connecting frame 7, a warning light 2 is disposed on one side above the dc cabinet 1, the warning light 2 can warn the outside and send a signal, an incoming line 3 is disposed on the top of the dc cabinet 1, the incoming line 3 can input current, a circuit breaker 4 is disposed below the incoming line 3, the circuit breaker 4 can ensure normal transmission of the line, the fuse 5 is disposed in the circuit breaker 4, the fuse 5 can protect the circuit, a fuse 6 is disposed in the fuse 5, the fuse 6 can break to protect the circuit when the circuit temperature is too high, the connecting frame 7 is disposed on one side of the fuse 6, the connecting frame 7 can shunt the circuit, a fastening wire 8 is disposed on one side of the connecting frame 7, the fastening wire 8 can limit the fastening spring 9, a fastening spring 9 is disposed below the fastening wire 8, fastening spring 9 can drive firing pin 10 and touch pressure plate 11, fastening spring 9 one side is provided with firing pin 10, firing pin 10 can touch pressure plate 11, send out the signal to the external world, firing pin 10 one side is provided with pressure plate 11, pressure plate 11 can be when firing pin 10 touches, transmit the signal to the external world through inside pressure sensor 12, be provided with pressure sensor 12 on the pressure plate 11, pressure sensor 12 can detect whether there is pressure on pressure plate 11 surface, pressure plate 11 below is provided with signal receiver 13, signal receiver 13 can receive the signal that pressure sensor 12 sent, signal receiver 13 below is provided with signal transmitter 14, signal transmitter 14 can send the signal to the backstage, help the staff to master the behavior of fuse 5, circuit breaker 4 below is provided with output line 15, output line 15 can be with current output.
As shown in fig. 1 to 3, in the present embodiment, the incoming line 3 is electrically connected to the breaker 4, the outgoing line 15 is electrically connected to the breaker 4, one side of the link 7 is welded to the fastening wire 8, the other side of the link 7 is welded to the fuse 6, one side of the fastening wire 8 is welded to the fastening spring 9, and the striker 10 is welded to the fastening spring 9.
As shown in fig. 1 to 3, in the present embodiment, the pressure plate 11 is screwed to the fuse 5, the pressure sensor 12 is screwed to the pressure plate 11, the pressure sensor 12 is electrically connected to the signal receiver 13, and the signal receiver 13 is electrically connected to the signal transmitter 14.
The specific implementation process of this embodiment is as follows: when in use, a worker installs a plurality of circuit breakers 4 in a direct current cabinet 1, then connects an incoming line 3 to the circuit breakers 4, and connects an outgoing line 15 from the bottom of the circuit breakers 4, wherein the circuit breakers 4 can ensure the normal operation of the circuit, a fuse 5 in the circuit breaker 4 can protect the circuit, when the current passing through the fuse 5 is too large, a fuse 6 in the fuse 5 can be broken due to heating, at the moment, the current completely passes through a connecting frame 7 on one side of the fuse 6, so that the temperatures of the connecting frame 7 and a fastening wire 8 on the connecting frame 7 are too high, the fastening wire 8 can also be broken due to too high temperature, so that a fastening spring 9 is reset, a striker 10 is driven to touch a pressure plate 11, when the striker 10 touches the pressure plate 11, the pressure which can be detected by a pressure sensor 12 on the pressure plate 11 exists, so as to generate a signal, and receives the signal sent by the pressure sensor 12 through a signal receiver 13, and send the signal to the backstage through signal transmitter 14, and then can make the working condition of staff real time monitoring fuse 5, very big assurance to the accident prevention and the steady operation of direct current system, simultaneously, warning light 2 lights, sends danger early warning signal to the external world.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (6)
1. The utility model provides a photovoltaic power plant direct current busbar fuse which characterized in that: the safety protection device comprises a direct current cabinet (1), a fuse (5) and a connecting frame (7), wherein a warning lamp (2) is arranged on one side above the direct current cabinet (1), an entering wire (3) is arranged at the top of the direct current cabinet (1), a breaker (4) is arranged below the entering wire (3), the fuse (5) is arranged in the breaker (4), a fuse (6) is arranged in the fuse (5), the connecting frame (7) is arranged on one side of the fuse (6), a fastening wire (8) is arranged on one side of the connecting frame (7), a fastening spring (9) is arranged below the fastening wire (8), a firing pin (10) is arranged on one side of the fastening spring (9), a pressure plate (11) is arranged on one side of the firing pin (10), a pressure sensor (12) is arranged on the pressure plate (11), and a signal receiver (13) is arranged below the pressure plate (11), signal transmitter (14) are provided with below signal receiver (13), circuit breaker (4) below is provided with output line (15).
2. The photovoltaic power plant direct current bus fuse of claim 1, characterized in that: the inlet line (3) is electrically connected with the circuit breaker (4), and the outlet line (15) is electrically connected with the circuit breaker (4).
3. The photovoltaic power plant direct current bus fuse of claim 1, characterized in that: one side of the connecting frame (7) is welded with the fastening wire (8), and the other side of the connecting frame (7) is welded with the fuse wire (6).
4. The photovoltaic power plant direct current bus fuse of claim 1, characterized in that: one side of the fastening wire (8) is welded with the fastening spring (9), and the striker (10) is welded with the fastening spring (9).
5. The photovoltaic power plant direct current bus fuse of claim 1, characterized in that: the pressure plate (11) is in screw connection with the fuse (5), and the pressure sensor (12) is in screw connection with the pressure plate (11).
6. The photovoltaic power plant direct current bus fuse of claim 1, characterized in that: the pressure sensor (12) is electrically connected with the signal receiver (13), and the signal receiver (13) is electrically connected with the signal transmitter (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120002434.0U CN214428588U (en) | 2021-01-04 | 2021-01-04 | Photovoltaic power plant direct current bus fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120002434.0U CN214428588U (en) | 2021-01-04 | 2021-01-04 | Photovoltaic power plant direct current bus fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214428588U true CN214428588U (en) | 2021-10-19 |
Family
ID=78054600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120002434.0U Active CN214428588U (en) | 2021-01-04 | 2021-01-04 | Photovoltaic power plant direct current bus fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214428588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116864357A (en) * | 2023-09-04 | 2023-10-10 | 三峡新能源(左云)发电有限公司 | Photovoltaic combiner box branch insulation device |
-
2021
- 2021-01-04 CN CN202120002434.0U patent/CN214428588U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116864357A (en) * | 2023-09-04 | 2023-10-10 | 三峡新能源(左云)发电有限公司 | Photovoltaic combiner box branch insulation device |
| CN116864357B (en) * | 2023-09-04 | 2023-11-14 | 三峡新能源(左云)发电有限公司 | Photovoltaic combiner box branch insulation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109884521A (en) | A kind of circuit-breaker switching on-off control loop template monitoring, alarming circuit | |
| CN201846069U (en) | Arc light protector | |
| CN205753370U (en) | A kind of arc light protecting system | |
| CN101546902A (en) | Device for monitoring working state of fuse | |
| KR101264344B1 (en) | Digital controlling system for monitoring internal abnormal state of switchgear | |
| CN214428588U (en) | Photovoltaic power plant direct current bus fuse | |
| CN205792453U (en) | A kind of distributed photovoltaic system online insulation against ground safety monitoring assembly | |
| CN104953546A (en) | Protection detection device for photovoltaic assembly or power system as well as control method of protection detection device | |
| CN205864361U (en) | A kind of Intelligent photovoltaic combiner box of band arcing monitoring function | |
| CN202013862U (en) | Fuse monitoring device | |
| CN201230196Y (en) | Apparatus for monitoring working state of fuse | |
| CN203071901U (en) | Three-phase solid-state relay | |
| CN203277301U (en) | Intelligent fuse disconnecting switch | |
| CN201877797U (en) | High-voltage power safety protection device of electric vehicle | |
| CN206293379U (en) | A kind of intelligent miniature circuit breaker | |
| CN214585821U (en) | Electrical equipment operation monitoring device and electronic equipment | |
| CN109031010A (en) | Load circuit monitoring system | |
| CN202494746U (en) | Early warning device for monitoring whether busbar contact is fine | |
| CN208508525U (en) | A kind of grid-connected power generation system arc light protecting device | |
| CN105262066A (en) | DC intelligent protective unit | |
| CN203056556U (en) | Frequency converter charging loop having abnormity detection function | |
| CN205901294U (en) | Arc light protecting device | |
| CN214626333U (en) | Electric heater control system with circuit protection function | |
| CN109004627A (en) | A kind of arclight measurement and control system | |
| CN217956783U (en) | Intelligent circuit breaker capable of realizing data acquisition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |