CN218071430U - Safety device of direct current combiner box - Google Patents

Abstract

The utility model provides a direct current collection flow box safeties, include: the intelligent monitoring system comprises a fuse box, branch terminals, a circuit breaker, an intelligent monitoring unit and a connecting wire; the fuse box is connected with the branch terminal through a connecting wire, and the circuit breaker is embedded and installed inside the fuse box and the branch terminal; the branch terminal is connected with the intelligent monitoring unit through a connecting wire; the utility model discloses a to direct current collection flow box safeties's improvement, it is reasonable to have a structural design, can solve the fuse box virtual connection and dispel the heat not good and lead to insurance scaling loss, have under the abnormal operation electric current easily scaling loss, can in time break off fault circuit, monitoring effect is good, the advantage that protective properties is strong to effectual problem and the not enough of appearing in having solved current device.

Description

Safety device of direct current combiner box

Technical Field

The utility model relates to a photovoltaic power generation technical field, more specifically the theory especially relates to a direct current collection flow box safeties.

Background

The photovoltaic power station is a power generation system which is formed by using solar energy and electronic elements made of special materials such as a crystalline silicon plate, an inverter and the like, and is connected with a power grid and transmits power to the power grid. The photovoltaic power station belongs to the green power development energy project with the greatest national encouragement.

The direct current insurance of current device frequently burns out by a large scale, and is especially serious to photovoltaic power station generated energy influence, and its main reason of burning out is because: 1. the fuse box terminal is in virtual connection, so that the fuse is burnt out due to long-time heating; 2. the power generation branch fuse boxes are poor in heat dissipation and are closely arranged, and fuse burning is caused after long-term operation.

In view of the above, the present invention provides a safety device for a dc combiner box, which is improved to solve the problems and improve the practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current collection flow box safeties to solve the problem that proposes in the above-mentioned background art and not enough.

In order to achieve the above object, the present invention provides a safety device for a dc combiner box, which is achieved by the following specific technical means:

a dc combiner box safe, comprising: the intelligent monitoring device comprises a fuse box, branch terminals, a circuit breaker, an intelligent monitoring unit, a connecting wire, a base, bottom feet, clamping plates, elastic sheets, a baffle plate and a supporting plate; the fuse box is connected with the branch terminal through a connecting wire, and the circuit breaker is embedded and installed inside the fuse box and the branch terminal; the branch terminal is connected with the intelligent monitoring unit through a connecting wire; the bottom foot is positioned at the bottom of the base, and the bottom foot and the base are of an integrated structure; the clamping plates are positioned above the two sides of the base, and the clamping plates and the base are of an integrated structure; the elastic sheet is positioned at the top end of the clamping plate, and the elastic sheet and the clamping plate are of an integrated structure; the baffle is positioned on the side wall of the clamping plate on one side, and the baffle and the clamping plate are of an integrated structure; the supporting plate is located at the bottom of the baffle, and the supporting plate and the baffle are of an integrated structure.

As a further optimization of this technical scheme, the utility model relates to a direct current collection flow box safeties the fuse box all is provided with many places with the branch road terminal, and fuse box and branch road terminal quantity equal, and the branch road terminal is corresponding with the fuse box.

As a further optimization of this technical scheme, the utility model relates to a direct current collection flow box safeties circuit breaker quantity equals with branch road terminal interior circuit breaker quantity in the safe box.

As the further optimization of this technical scheme, the utility model relates to a direct current collection flow box safeties intelligent monitoring unit' S model is JTPV-S.

As a further optimization of the technical solution, the utility model relates to a safety device of direct current combiner box the baffle is

The baffle plate is of a plate-shaped structure and is bent in a certain degree.

As a further optimization of this technical scheme, the utility model relates to a direct current collection flow box safeties the layer board is located the inboard of baffle bottom, and layer board and baffle mutually perpendicular.

As a further optimization of this technical scheme, the utility model relates to a direct current collection flow box safeties the layer board is rectangle platelike structure.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses fuse box and branch terminal all are provided with many places, and fuse box and branch terminal quantity equal, and branch terminal is corresponding with fuse box, and the setting that circuit breaker quantity equals in circuit breaker quantity and the branch terminal in the fuse box can solve the fuse box virtual connection and the heat dissipation is not good and lead to insurance scaling loss.

2. The utility model discloses intelligent monitoring unit 'S model is JTPV-S16' S setting, can monitor the electric current of 16 way photovoltaic module clusters simultaneously to the monitoring that provides photovoltaic array output voltage, circuit breaker state, lightning protection device state and subassembly temperature improves protective properties.

3. The utility model discloses a to direct current collection flow box safeties's improvement, it is reasonable to have a structural design, can solve the fuse box virtual connection and the heat dissipation is not good and lead to the insurance scaling loss, has easily scaling loss under the abnormal operation electric current, can in time break fault circuit, monitoring effect is good, the advantage that protective properties is strong to effectual problem and the not enough that has solved appearance among the current device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is an enlarged schematic structural diagram of the position a of the present invention.

In the figure: fuse box 1, branch circuit terminal 2, circuit breaker 3, intelligent monitoring unit 4, connecting wire 5, base 101, footing 102, splint 103, shell fragment 104, baffle 105, layer board 106.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a specific technical implementation of a safety device of a dc combiner box:

a dc combiner box safe, comprising: the safety box comprises a safety box 1, a branch terminal 2, a circuit breaker 3, an intelligent monitoring unit 4, a connecting wire 5, a base 101, a bottom foot 102, a clamping plate 103, an elastic sheet 104, a baffle 105 and a supporting plate 106; the fuse box 1 is connected with the branch terminal 2 through a connecting wire 5, and the circuit breaker 3 is embedded in the fuse box 1 and the branch terminal 2; the branch terminal 2 is connected with the intelligent monitoring unit 4 through a connecting wire 5; the foot 102 is located at the bottom of the base 101, and the foot 102 and the base 101 are of an integrated structure; the clamping plates 103 are positioned above two sides of the base 101, and the clamping plates 103 and the base 101 are of an integrated structure; the elastic sheet 104 is positioned at the top end of the clamping plate 103, and the elastic sheet 104 and the clamping plate 103 are of an integrated structure; the baffle 105 is positioned on the side wall of one side clamping plate 103, and the baffle 105 and the clamping plate 103 are of an integrated structure; the support plate 106 is located at the bottom of the baffle 105, and the support plate 106 and the baffle 105 are of an integrated structure.

Specifically, fuse block 1 and branch terminal 2 all are provided with many places, and fuse block 1 equals with branch terminal 2 quantity, and branch terminal 2 is corresponding with fuse block 1.

Specifically, the number of the circuit breakers 3 in the fuse box 1 is equal to the number of the circuit breakers 3 in the branch terminal 2.

Specifically, the model of the intelligent monitoring unit 4 is JTPV-S16.

Specifically, the baffle 105 is

A plate-like structure is formed, and the baffle 105 is bent at 90 degrees.

Specifically, the pallet 106 is located inside the bottom of the baffle 105, and the pallet 106 and the baffle 105 are perpendicular to each other.

Specifically, the pallet 106 has a rectangular plate-like structure.

The method comprises the following specific implementation steps:

firstly, fuse box 1 is fixedly installed in a power box diagram and is not involved, then branch terminal 2 and intelligent monitoring unit 4 are fixedly installed above fuse box 1, fuse box 1 and branch terminal 2 above are connected through connecting wire 5, branch terminal 2 and intelligent monitoring unit 4 above are connected through connecting wire 5, the fuse box is easy to burn under abnormal operation current through branch terminal 2 and internal circuit breaker 3, and the characteristic of fault circuit can be cut off in time, when the fuse tube is installed, two ends of the fuse tube are abutted against and pressed by elastic sheets 104, clamping plates 103 are opened, the fuse tube is inserted into the inner side of clamping plates 103, the fuse tube is clamped and fixed by clamping plates 103, the position is adjusted, the end part of the fuse tube is abutted against baffle 105, baffle 105 plays a limiting role on the fuse tube, and supporting and positioning roles are played by supporting plates 106 at the bottom of baffle 105, so that the installation of the fuse tube is more accurate, the problem that the fuse box is in a virtual connection and poor heat dissipation is solved, and the fuse tube is burnt, and the voltage output of intelligent monitoring unit 4 and the lightning protection component is improved.

In summary, the following steps: according to the direct current combiner box safety device, the safety boxes and the branch terminals are arranged in multiple positions, the number of the safety boxes is equal to that of the branch terminals, the branch terminals correspond to the safety boxes, and the number of the circuit breakers in the safety boxes is equal to that of the circuit breakers in the branch terminals, so that the problem of safety burning loss caused by virtual connection and poor heat dissipation of the safety boxes can be solved; by setting the intelligent monitoring unit with the model of JTPV-S16, the current of a 16-path photovoltaic module string can be monitored simultaneously, the monitoring of the output voltage of a photovoltaic array, the state of a circuit breaker, the state of a lightning protection device and the temperature of the module is provided, and the protection performance is improved; through the improvement to direct current collection flow box safeties, it is reasonable to have structural design, can solve the fuse box virtual connection and the heat dissipation is not good and lead to the insurance scaling loss, has easy scaling loss under the abnormal operation electric current, can in time break fault circuit, monitoring effect is good, the advantage that protective properties is strong to effectual problem and the not enough that appear in having solved current device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (7)

1. A dc combiner box safe, comprising: the intelligent safety fuse comprises a fuse box (1), branch terminals (2), a circuit breaker (3), an intelligent monitoring unit (4), a connecting wire (5), a base (101), feet (102), a clamping plate (103), an elastic sheet (104), a baffle plate (105) and a supporting plate (106); the method is characterized in that: the fuse box (1) is connected with the branch terminal (2) through a connecting wire (5), and the circuit breaker (3) is embedded in the fuse box (1) and the branch terminal (2); the branch terminal (2) is connected with the intelligent monitoring unit (4) through a connecting wire (5); the foot (102) is positioned at the bottom of the base (101), and the foot (102) and the base (101) are of an integrated structure; the clamping plate (103) is positioned above two sides of the base (101), and the clamping plate (103) and the base (101) are of an integrated structure; the elastic sheet (104) is positioned at the top end of the clamping plate (103), and the elastic sheet (104) and the clamping plate (103) are of an integrated structure; the baffle (105) is positioned on the side wall of the clamping plate (103) on one side, and the baffle (105) and the clamping plate (103) are of an integrated structure; the supporting plate (106) is located at the bottom of the baffle (105), and the supporting plate (106) and the baffle (105) are of an integrated structure.

2. The dc combiner box safe of claim 1, wherein: fuse block (1) all are provided with many places with branch terminal (2), and fuse block (1) equals with branch terminal (2) quantity, and branch terminal (2) are corresponding with fuse block (1).

3. The dc combiner box safe of claim 1, wherein: the number of the circuit breakers (3) in the fuse box (1) is equal to that of the circuit breakers (3) in the branch terminal (2).

4. The dc combiner box safe of claim 1, wherein: the model of the intelligent monitoring unit (4) is JTPV-S16.

5. The dc combiner box safe of claim 1, wherein: the baffle (105) is

The baffle plate (105) is bent by 90 degrees.

6. The dc combiner box safe of claim 1, wherein: the supporting plate (106) is positioned on the inner side of the bottom of the baffle (105), and the supporting plate (106) is perpendicular to the baffle (105).

7. The dc combiner box safe of claim 1, wherein: the supporting plate (106) is of a rectangular plate-shaped structure.

Images