CN218275967U

CN218275967U - Photovoltaic power plant is incorporated into power networks operation and is prevented power transmission device

Info

Publication number: CN218275967U
Application number: CN202221899222.8U
Authority: CN
Inventors: 张峰
Original assignee: Mawei Electromechanical Equipment Shanghai Co ltd
Current assignee: Mawei Electromechanical Equipment Shanghai Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-01-10
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a photovoltaic power plant is incorporated into power networks operation and is prevented power transmission device belongs to photovoltaic power plant power transmission technical field. The utility model provides a photovoltaic power plant is incorporated into power networks and is moved and prevent power transmission device, includes shell and base, the end plate is installed to the shell front end, shell bottom inner wall has been seted up and has been slided and connect the groove, base slidable mounting is in sliding connection groove department, the pressure frame is installed on the base top, the guide rail is installed to the base left and right sides. The utility model discloses a holistic structure setting for the base of connecting cable has the slip support frame, and the base passes through support frame and shell sliding connection, when carrying out the dismantlement and the installation of cable, can wholly take the shell out with the base, externally changes, pushes again after the change and seals up the protection to have stable locking structure, with base rigidity when taking out and carrying out the dismouting, guarantee to dismantle the convenience of changing.

Description

Photovoltaic power plant is incorporated into power networks operation and is prevented power transmission device

Technical Field

The utility model relates to a photovoltaic power plant power transmission technical field, more specifically say, relate to a photovoltaic power plant is incorporated into power networks operation and prevents power transmission device.

Background

Photovoltaic power plant is a novel energy, uses more and more extensively, and the country is also popularizing photovoltaic power plant's application widely to reduce the utilization of petrochemical industry energy, reduce carbon and discharge, and then realize the purpose of environmental protection, nevertheless when photovoltaic power plant inserts the electric wire netting when supplying power to the load, under certain operating condition, if control is not good, photovoltaic power plant can be to the electric wire netting reverse power transmission, thereby maintains the production harm to the operation of electric wire netting, need utilize and prevent that power transmission device realizes the protection to the circuit.

The existing application number is 202120038829.6, the patent name is a photovoltaic power station grid-connected operation anti-reverse power supply device, the device comprises a bottom plate and an anti-reverse power supply device body, a group of clamping grooves are formed in the upper surface of the bottom plate, clamping blocks are clamped in the clamping grooves, when the device is mounted and dismounted, a third limiting plate is pulled or loosened, a clamping rod can be separated from a second clamping hole or clamped with the second clamping hole, the mounting or dismounting of a wire can be completed, and the device can be mounted and dismounted on the wire, so that the operation of a worker is simpler;

because prevent that power transmission failure device will install on original pencil, when carrying out the wiring installation, because the butt joint position of cable needs the shell protection, but integral shell, when carrying out the dismantlement installation of inside pencil, narrow space can restrict the action of workman's hand and instrument, causes to dismantle inconveniently, probably leads to the assembly not tight or align inaccurate, influences the assembly effect of wiring position, in view of this, we provide a photovoltaic power plant and incorporated into the power networks operation and prevent power transmission failure device.

Disclosure of Invention

1. Technical problem to be solved

An object of the utility model is to provide a photovoltaic power plant is incorporated into power networks and is moved and prevent power transmission unit to when proposing the current installation of working a telephone switchboard in solving above-mentioned background art, because there is protecting sheathing, will operate in the shell when leading to the wiring, the action of workman's hand and instrument can be restricted in constrictive space, influences the problem of wiring compactness.

2. Technical scheme

A photovoltaic power station grid-connected operation anti-reverse power supply device comprises a shell and a base, wherein an end plate is installed at the front end of the shell, a sliding connection groove is formed in the inner wall of the bottom end of the shell, the base is installed at the sliding connection groove in a sliding mode, a pressing frame is installed at the top end of the base, guide rails are installed on the left side and the right side of the base, rectangular sliding grooves matched with the guide rails are formed in the left side wall and the right side wall of the base, and a transmission line and an output line are installed between the base and the pressing frame;

the shell protects inside transmission line and output line hookup location, and transmission line and output line tip compress tightly fixedly through the base with pressing the frame, and the output line is in the crooked state of relaxing this moment to the base can slide around in the guide rail, takes transmission line and output line out the shell, straightens the output line when taking out, guarantees freely taking out, conveniently takes out the dismantlement, overhauls swiftly.

Preferably, the rear end of the transmission line and the front end of the output line are provided with electric connectors, the pressing frame comprises a hoop, the middle part of the hoop is provided with a limiting frame matched with the electric connectors, the middle part of the limiting frame is provided with a pressing convex edge, and the side wall of the bottom end of the pressing convex edge is in close contact with the side wall of the top end of the electric connectors;

the electric connector at the end parts of the transmission line and the output line can be spliced with the limiting frame, and the matched pressing convex edges improve the conductive contact area and ensure tight connection.

Preferably, the top end of the base is provided with a conductive seat, the side wall of the bottom end of the electric connector is tightly pressed with the side wall of the top end of the conductive seat, and the conductive seat is spliced and assembled with the limiting frame;

the conductive seat is in abutting contact with the power connection head, the contact area is large, and the conducting and crimping effect is guaranteed.

Preferably, the limiting frame is provided with three vertical rods, the middle part of the electric connector is provided with a positioning hole, and the end part of the electric connector is provided with a limiting groove;

through montant collocation locating hole and spacing groove, carry out quick location to the electric joint, guarantee that the electric joint can neatly dock.

Preferably, the rear part of the inner side of the shell is provided with circuit breakers matched with an output line, and a heat dissipation plate is arranged between the circuit breakers;

the circuit breaker adopts pencil and external control equipment electric connection, can be when needing the cable to change, guarantees the pencil safety of changing with the circuit breaker outage.

Preferably, the heat dissipation plate comprises a heat conduction shell, a snake-shaped water channel is formed in the inner side of the heat conduction shell, and a water inlet head matched with the water channel is mounted at the top end of the heat conduction shell;

the heat conduction shell can let in heat transfer liquid, and snakelike water course improves heat transfer contact route to make inside heat transfer liquid circulation get up through the water pump, cool down the heat conduction shell, and absorb the heat of shell inside to the heat conduction shell, distribute away the heat through heat transfer liquid circulation and dispel the heat.

Preferably, the base comprises a main body, a support frame extending backwards is installed at the rear part of the bottom end of the main body, a baffle is installed at the front part of the bottom end of the shell, and a slot matched with the baffle is formed in the bottom end of the main body;

the support frame in the main part can pull out the back completely with the main part, and the support frame still stays inside the shell to peg graft fixedly through the baffle to the main part, guarantee that the base position is injectd by stable when carrying out the pencil and dismantling.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a holistic structure setting for the base of connecting cable has the slip support frame, and the base passes through support frame and shell sliding connection, when carrying out the dismantlement and the installation of cable, can wholly take the shell out of base, externally changes, pushes away again after the change and seals the protection to have stable locking structure, with base rigidity when taking out and carrying out the dismouting, guarantee to dismantle the convenience of changing.

2. The utility model discloses a holistic structure setting, for guaranteeing inseparable of cable wiring position, be provided with the electrical connector of locating hole and spacing groove at the cable tip to closely compressing tightly of electrical connector through inserting a collocation supporting seat, carry out effectual alignment connection through the grafting assembly, and the wiring position has the heat radiation structure of wall formula, can avoid the higher condition of the wiring position damage of being heated that leads to that generates heat of wiring position resistance.

Drawings

FIG. 1 is a left side schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the internal structure and position of the present invention;

FIG. 3 is a schematic diagram of the present invention showing a disassembled part of the structure;

fig. 4 is a schematic sectional view of a partial structure of the present invention.

The numbering in the figures illustrates: a housing 1; a heat dissipation plate 2; a transmission line 3; an end plate 4; a circuit breaker 5; an output line 6; a pressing frame 7; a baffle plate 8; a pull frame 9; a base 10; a guide rail 11; connecting a power head 12; a heat conductive case 21; a water inlet head 22; a water channel 23; a hoop 71; a stopper bracket 72; a main body 101; a support frame 102; and a conductive seat 103.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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. 1-4, the present invention provides two technical solutions:

the first embodiment is as follows:

the utility model provides a photovoltaic power plant is incorporated into power networks and is moved and prevent power transmission device, includes shell 1 and base 10, and end plate 4 is installed to 1 front end of shell, and 1 bottom inner wall of shell has been seted up and has been slided and connect the groove, and base 10 slidable mounting is in sliding connection groove department, and pressure frame 7 is installed on the base 10 top, and guide rail 11 is installed to the base 10 left and right sides, and base 10 left and right sides lateral wall seted up with guide rail 11 complex rectangle spout, install transmission line 3 and output line 6 between base 10 and the pressure frame 7.

Specifically, the rear end of the transmission line 3 and the front end of the output line 6 are provided with the electric connector 12, the pressing frame 7 comprises a hoop 71, the middle of the hoop 71 is provided with a limiting frame 72 matched with the electric connector 12, the middle of the limiting frame 72 is provided with a pressing convex edge, and the pressing convex edge is tightly contacted with the side wall of the bottom end of the electric connector 12.

Further, the top end of the base 10 is provided with a conductive seat 103, the side wall of the bottom end of the electric contact 12 is tightly pressed with the side wall of the top end of the conductive seat 103, and the conductive seat 103 is inserted into and assembled with the limiting frame 72.

It should be noted that the limiting frame 72 is provided with three vertical rods, the middle of the electric connector 12 is provided with a positioning hole, and the end of the electric connector 12 is provided with a limiting groove.

For the convenience of carrying out swift dismantlement, shell 1 protects inside transmission line 3 and output line 6 hookup location, transmission line 3 and output line 6 tip compress tightly fixedly through base 10 and pressure frame 7, output line 6 is in the crooked state of relaxing this moment, and base 10 can slide around in guide rail 11, take transmission line 3 and output line 6 out shell 1, straighten output line 6 when taking out, guarantee freely taking out, conveniently take out the dismantlement, it is swift to overhaul, the connector 12 of transmission line 3 and output line 6 tip can peg graft with spacing 72, the collocation compresses tightly protruding edge and improves the conductive contact area, it is inseparable to guarantee to connect, conductive seat 103 and connector 12 carry out the butt pressure contact, area of contact is big, guarantee to switch on the crimping effect, through collocation montant locating hole and spacing groove, carry out quick location to connector 12, guarantee that connector 12 can neatly dock.

Example two:

It is noted that the rear part of the inner side of the housing 1 is provided with the circuit breakers 5 matched with the output lines 6, and the heat dissipation plate 2 is arranged between the circuit breakers 5.

In addition, the heat dissipation plate 2 includes a heat conduction shell 21, a serpentine water channel 23 is formed in the inner side of the heat conduction shell 21, and a water inlet head 22 matched with the water channel 23 is installed at the top end of the heat conduction shell 21.

It has to be said that the base 10 includes a main body 101, a supporting frame 102 extending backwards is installed at the rear part of the bottom end of the main body 101, the baffle 8 is installed at the front part of the bottom end of the housing 1, and a slot matched with the baffle 8 is opened at the bottom end of the main body 101.

For the stability when guaranteeing the operation, circuit breaker 5 adopts pencil and external control equipment electric connection, can be when needing the cable to change, guarantee pencil change safety with circuit breaker 5 outage, heat conduction shell 21 can let in heat-transfer liquid, snakelike water course 23 improves heat transfer contact path, and make inside heat-transfer liquid circulation get up through the water pump, cool down heat conduction shell 21, and absorb the inside heat of shell 1 to heat conduction shell 21, distribute out the heat through heat-transfer liquid circulation and dispel the heat, support frame 102 on main part 101, can pull out the back completely with main part 101, support frame 102 still stays inside shell 1, and peg graft fixedly through baffle 8 to main part 101, guarantee that base 10 position is stably injectd when carrying out the pencil and dismantling.

The circuit breaker 5 that two kinds of embodiments related to adopts the model of Shanghai Qinzhou automation equipment limited production to be 5SY4610-8CC type miniature circuit breaker, and its supporting control system, electromagnetic switch and circuit also can be provided by the producer, in addition, the utility model discloses in relate to power module, circuit and electronic components and control module and be prior art, technical staff in the field can realize completely, need not beyond a limit for a short time, the utility model discloses the content of protecting does not relate to the improvement to inner structure and method yet.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a photovoltaic power plant is incorporated into power networks operation and is prevented power transmission device, includes shell (1) and base (10), its characterized in that: end plate (4) are installed to shell (1) front end, shell (1) bottom inner wall has been seted up and has been slided and connect the groove, base (10) slidable mounting is in the groove department of sliding and connecting, base (10) top is installed and is pressed frame (7), guide rail (11) are installed to the base (10) left and right sides, base (10) left and right sides lateral wall seted up with guide rail (11) complex rectangle spout, install transmission line (3) and output line (6) between base (10) and pressure frame (7).

2. The photovoltaic power plant grid-connected operation anti-power-back device of claim 1, characterized in that: transmission line (3) rear end and output line (6) front end are installed and are connect electric head (12), press frame (7) including staple bolt (71), staple bolt (71) mid-mounting have with connect electric head (12) complex spacing (72), spacing (72) middle part is provided with and compresses tightly protruding edge, compress tightly protruding edge bottom lateral wall and connect electric head (12) top lateral wall in close contact with.

3. The photovoltaic power plant is incorporated into power networks and is moved device of preventing feeding backward of claim 2, characterized in that: the electric connector is characterized in that a conductive seat (103) is arranged at the top end of the base (10), the bottom end side wall of the electric connector (12) is tightly connected with the top end side wall of the conductive seat (103) in a compression mode, and the conductive seat (103) and the limiting frame (72) are assembled in a plug-in mode.

4. The photovoltaic power plant grid-connected operation anti-power-back device of claim 3, characterized in that: the limiting frame (72) is provided with three vertical rods, the middle of the power connection head (12) is provided with a positioning hole, and the end part of the power connection head (12) is provided with a limiting groove.

5. The photovoltaic power plant grid-connected operation anti-power-back device of claim 1, characterized in that: shell (1) inboard rear portion install with output line (6) complex circuit breaker (5), install heating panel (2) between circuit breaker (5).

6. The photovoltaic power plant grid-connected operation anti-power-back device of claim 5, characterized in that: heating panel (2) are including heat conduction shell (21), snakelike water course (23) have been seted up to heat conduction shell (21) inboard, heat conduction shell (21) top is installed and is intake head (22) with water course (23) complex.

7. The photovoltaic power plant grid-connected operation anti-power-back device of claim 6, characterized in that: base (10) include main part (101), support frame (102) that extend backward are installed to main part (101) bottom rear portion, shell (1) bottom forward portion installs baffle (8), main part (101) bottom seted up with baffle (8) complex slot.