CN219321868U - Inverter mixed response type reactive voltage control device for photovoltaic power station - Google Patents

Abstract

The utility model discloses a photovoltaic power station reactive voltage control device with inverter mixed response, which comprises: the cabinet body, equipment carrier plate sets up the back at the internal wall of cabinet, the controller subassembly sets up the front at equipment carrier plate, drive detection mechanism sets up on the cabinet body, drive detection mechanism includes the fixed shell, the quantity of fixed shell is two and installs respectively in the left and right sides of the cabinet body, servo motor is installed at the top of fixed shell. According to the utility model, through the mutual matching of the fixed shell, the servo motor, the threaded rod, the threaded block, the movable plate, the temperature sensor and the alarm, the temperature of equipment in the control cabinet can be conveniently and automatically detected, and when the short circuit temperature of the equipment circuit is increased, the short circuit temperature can be rapidly detected, so that the fire disaster occurrence rate can be effectively reduced, the potential safety hazard is reduced, and the practicability is improved.

Description

Inverter mixed response type reactive voltage control device for photovoltaic power station

Technical Field

The utility model relates to the technical field of reactive voltage control of photovoltaic power stations, in particular to a reactive voltage control device of a photovoltaic power station with inverter mixed response.

Background

The photovoltaic power generation has randomness, intermittence and uncontrollable property, the large-scale access of the photovoltaic power generation to the power grid brings great influence to the safe operation of the power grid system, wherein the reactive voltage problem is most concerned, the power station refers to the place for converting voltage and current, receiving electric energy and distributing electric energy in the power system, in the process of the operation of the power station, a plurality of controllers are usually needed to control the circuit, and the control devices are generally stored in the control cabinet.

But traditional switch board does not have temperature detection's effect, because of the controlgear in the switch board is more, when the equipment circuit takes place the short circuit in the switch board, the temperature can be quick rise to cause the emergence of conflagration easily, increased the potential safety hazard, equipment in the switch board needs maintenance personnel to carry out periodic maintenance and maintenance moreover, but the control gear in the traditional switch board is when overhauing, and the switch board inner space is narrow and small and equipment is more, very inconvenient operation has reduced the practicality.

Disclosure of Invention

The utility model aims to provide a photovoltaic power station reactive voltage control device with inverter mixed response so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an inverter hybrid response photovoltaic power plant reactive voltage control device, comprising:

a cabinet body;

the equipment carrier plate is arranged on the back surface of the inner wall of the cabinet body;

the controller component is arranged on the front surface of the equipment carrier plate;

the driving detection mechanism is arranged on the cabinet body and comprises two fixing shells, the two fixing shells are respectively arranged at the left side and the right side of the cabinet body, a servo motor is arranged at the top of each fixing shell, the bottom end of an output shaft of the servo motor penetrates through the fixing shells and extends to the inside of the fixing shells, a threaded rod is arranged at the bottom end of the output shaft of the servo motor, a threaded block is connected with the surface of the threaded rod in a threaded manner, one side of the threaded block, close to the cabinet body, penetrates through the fixing shells and the cabinet body in sequence and extends to the inside of the cabinet body, and the front side of the controller assembly is fixedly connected with the two threaded blocks through a movable plate;

the limiting and fixing mechanism is arranged on the cabinet body.

Preferably, a temperature sensor is arranged at the back of the movable plate and corresponds to the position of the controller component, and an alarm is arranged at the left side of the fixed shell positioned at the left side and far away from the cabinet body.

Preferably, the spacing fixed establishment includes inserted block and logical groove, the quantity of inserted block is two and installs the bottom at the internal wall of cabinet respectively, the slot with the inserted block looks adaptation has been seted up to the bottom at the equipment carrier plate back and the position that corresponds the inserted block, the top of inserted block runs through the slot and extends to its inside and the inner wall mutual contact of slot.

Preferably, the through groove is formed in the bottom of the cabinet body and located on the front face of the equipment carrier plate, the fixing block is mounted on the inner wall of the through groove, the movable plate is arranged at the bottom of the cabinet body and corresponds to the position of the through groove, and the pedal is mounted on the front side of the movable plate.

Preferably, two connecting blocks are installed at the top of movable plate, the top of connecting block is from supreme penetrating through groove and fixed block in proper order and extending to the outside of leading to the groove down, and the baffle fixed connection that uses through cooperation with the equipment carrier plate is passed through at the top of two connecting blocks.

Preferably, the surface of the connecting block is sleeved with an elastic piece, and the elastic piece is made of a spring.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the mutual matching of the fixed shell, the servo motor, the threaded rod, the threaded block, the movable plate, the temperature sensor and the alarm, the temperature of equipment in the control cabinet can be conveniently and automatically detected, and when the short circuit temperature of the equipment circuit is increased, the short circuit temperature can be rapidly detected, so that the fire disaster occurrence rate can be effectively reduced, the potential safety hazard is reduced, and the practicability is improved.

2. According to the utility model, through the mutual matching of the insertion block, the through groove, the slot, the fixed block, the movable plate, the pedal, the connecting block, the baffle and the elastic piece, the equipment carrier plate and the controller component are conveniently detached and pulled out from the cabinet body, so that the controller component is conveniently maintained and overhauled, and the equipment is prevented from being overhauled and maintained due to the influence of the narrow space in the control cabinet.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a side view of the present utility model;

FIG. 3 is a cross-sectional view of a front view of the structure of the present utility model;

fig. 4 is an enlarged view of a portion of fig. 3 a in accordance with the present utility model.

In the figure: the intelligent cabinet temperature sensor comprises a cabinet body 1, an equipment carrier plate 11, a controller component 12, a driving detection mechanism 2, a fixed shell 21, a servo motor 22, a threaded rod 23, a threaded block 24, a movable plate 25, a temperature sensor 26, an alarm 27, a limiting and fixing mechanism 3, a plug block 31, a through groove 32, a slot 33, a fixed block 34, a movable plate 35, a pedal 36, a connecting block 37, a baffle 38 and an elastic piece 39.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a photovoltaic power station reactive voltage control apparatus with inverter mixed response includes: the cabinet body 1, the front of the cabinet body 1 is movably connected with a cabinet door through a hinge, and a central controller is arranged at the top of the front of the cabinet door.

The device carrier plate 11, the device carrier plate 11 sets up the back at cabinet body 1 inner wall, and the back of device carrier plate 11 and the back of cabinet body 1 inner wall contact each other, and the bottom and the left and right sides of device carrier plate 11 respectively with the inner wall sliding contact of cabinet body 1.

Controller module 12. The controller module 12 is disposed on the front surface of the device carrier plate 11.

The utility model provides a drive detection mechanism 2, drive detection mechanism 2 sets up on cabinet body 1, drive detection mechanism 2 includes fixed shell 21, the quantity of fixed shell 21 is two and installs respectively in the left and right sides of cabinet body 1, the top fixedly connected with servo motor 22 of fixed shell 21, servo motor 22 is a positive and negative rotation motor with self-locking function, the bottom of servo motor 22 output shaft runs through fixed shell 21 and extends to its inside, the bottom fixedly connected with threaded rod 23 of servo motor 22 output shaft, threaded rod 23's surface threaded connection has screw thread piece 24, screw thread piece 24 is close to one side of fixed shell 21 inner wall and the inner wall sliding contact of fixed shell 21, screw thread piece 24 runs through fixed shell 21 and cabinet body 1 in proper order and extends to the inside of cabinet body 1 near one side of cabinet body 1, just be located the front side of controller subassembly 12 through fly leaf 25 fixed connection between two screw thread pieces 24, the back of fly leaf 25 just corresponds the position fixedly connected with temperature sensor 26 of controller subassembly 12, the left side fixed shell 21 that is located left side and keep away from cabinet body 1's left side fixedly connected with alarm 27, servo motor 22 drives temperature sensor 26 and can be set for temperature sensor 26 under the motor 22 drives temperature sensor 26 and can carry out periodic control with the temperature sensor 26 through the regular control of temperature sensor 26, the controller is realized through the realization of this servo motor, can be with the controller is with the ordinary skill of the controller 12, the controller is simple and the controller is equipped with the controller in the field is simple, the control circuit is realized.

Through the mutually supporting of fixed shell 21, servo motor 22, threaded rod 23, screw thread piece 24, fly leaf 25, temperature sensor 26 and siren 27 to the temperature of the inside equipment of convenient automated detection switch board, when equipment circuit produced short circuit temperature rise, can be quick by the detection, thereby can effectually reduce the conflagration incidence, reduced the potential safety hazard, improved the practicality.

The limiting and fixing mechanism 3, limiting and fixing mechanism 3 sets up on the cabinet body 1, limiting and fixing mechanism 3 includes inserted block 31 and logical groove 32, the quantity of inserted block 31 is two and installs the bottom at cabinet body 1 inner wall respectively, slot 33 with inserted block 31 looks adaptation is seted up to the bottom at the equipment carrier plate 11 back and the position that corresponds inserted block 31, slot 33's bottom and back are the state that opens, slot 33 is run through at the top of inserted block 31 and extend to its inside and the inner wall mutual contact of slot 33, logical groove 32 is seted up at the bottom of cabinet body 1 and is located the front of equipment carrier plate 11, fixedly connected with fixed block 34 on the inner wall of logical groove 32, the bottom of cabinet body 1 and the position that corresponds logical groove 32 are provided with movable plate 35, the top of movable plate 35 and the bottom mutual contact of cabinet body 1, the front side fixedly connected with trample 36 of movable plate 35, the top fixedly connected with two connecting blocks 37, the top of connecting block 37 runs through groove 32 and fixed block 34 in proper order from bottom to the outside of logical groove 32, the top of two 37 is through the front of connecting block 37 and the elastic baffle 39 through the elastic baffle plate 39 that the device carrier plate 11 is used in the cooperation with the equipment carrier plate 11, the front of connecting plate 39 is cup jointed to the elastic baffle plate 39.

Specifically, the device carrier plate 11 needs to be pulled out from the cabinet body 1, the cabinet door is opened by a user, then the pedal 36 is stepped on by feet, the pedal 36 drives the movable plate 35 to move downwards, the movable plate 35 stretches the elastic piece 39 to move, the movable plate 35 drives the baffle 38 to move downwards through the connecting block 37, the baffle 38 and the device carrier plate 11 are separated, the baffle 38 moves into the through groove 32, then the device carrier plate 11 is pulled forward to move, the device carrier plate 11 drives the controller component 12 to move forward, the slot 33 and the plug block 31 are separated, and the device carrier plate 11 can be pulled out from the cabinet body 1.

Through the mutual cooperation of the inserting block 31, the through groove 32, the slot 33, the fixed block 34, the movable plate 35, the pedal 36, the connecting block 37, the baffle 38 and the elastic piece 39, the device carrier plate 11 and the controller component 12 are conveniently detached from the cabinet body 1, so that the controller component 12 is conveniently maintained and overhauled, and the overhauling and maintenance of the device due to the small influence of the inner space of the control cabinet are avoided.

When the intelligent controller is used, the servo motor 22 drives the threaded rod 23 to rotate positively and reversely through the output shaft, the threaded rod 23 moves downwards through the threaded block 24 and the movable plate 25, the movable plate 25 drives the temperature sensor 26 to move downwards, then the threaded rod 23 drives the threaded block 24 to move upwards, so that the temperature sensor 26 can move repeatedly up and down, when the temperature of the temperature sensor 26 senses that the temperature of the controller component 12 is higher than a set value, a signal is transmitted to the central controller, the central controller starts the alarm 27 to send an alarm to remind a worker, and the central controller immediately cuts off power to the corresponding controller component 12, so that the occurrence of potential safety hazards is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An inverter hybrid response photovoltaic power plant reactive voltage control device, comprising:

a cabinet body (1);

the equipment carrier plate (11), the equipment carrier plate (11) is arranged on the back of the inner wall of the cabinet body (1);

the controller assembly (12) is arranged on the front surface of the equipment carrier plate (11);

the driving detection mechanism (2), driving detection mechanism (2) sets up on the cabinet body (1), driving detection mechanism (2) include fixed shell (21), the quantity of fixed shell (21) is two and installs respectively in the left and right sides of the cabinet body (1), servo motor (22) are installed at the top of fixed shell (21), servo motor (22) output shaft's bottom runs through fixed shell (21) and extends to its inside, threaded rod (23) are installed to servo motor (22) output shaft's bottom, threaded rod (23)'s surface threaded connection has screw thread piece (24), one side that screw thread piece (24) are close to the cabinet body (1) runs through fixed shell (21) and cabinet body (1) in proper order and extends to the inside of the cabinet body (1), and be located the front side of controller subassembly (12) and pass through fly leaf (25) fixed connection between two screw thread pieces (24);

the limiting and fixing mechanism (3), and the limiting and fixing mechanism (3) is arranged on the cabinet body (1).

2. The inverter hybrid response photovoltaic power plant reactive voltage control device of claim 1, wherein: the back of the movable plate (25) is provided with a temperature sensor (26) corresponding to the position of the controller component (12), and the left side of the fixed shell (21) positioned at the left side and far away from the cabinet body (1) is provided with an alarm (27).

3. The inverter hybrid response photovoltaic power plant reactive voltage control device of claim 2, wherein: spacing fixed establishment (3) are including inserted block (31) and logical groove (32), the quantity of inserted block (31) is two and installs the bottom at cabinet body (1) inner wall respectively, bottom at equipment carrier plate (11) back and correspond the position of inserted block (31) seted up slot (33) with inserted block (31) looks adaptation, the top of inserted block (31) runs through slot (33) and extends to its inside and the inner wall mutual contact of slot (33).

4. A photovoltaic plant reactive voltage control device of inverter mixed response according to claim 3, characterized in that: the utility model discloses a cabinet, including cabinet body (1), equipment carrier plate (11), logical groove (32) are offered in the bottom of cabinet body (1) and are located the front of equipment carrier plate (11), install fixed block (34) on the inner wall of logical groove (32), the bottom of cabinet body (1) and the position that corresponds logical groove (32) are provided with movable plate (35), pedal (36) are installed to the front side of movable plate (35).

5. The inverter hybrid response photovoltaic power plant reactive voltage control device of claim 4, wherein: two connecting blocks (37) are installed at the top of movable plate (35), the top of connecting block (37) is from down supreme through groove (32) and fixed block (34) in proper order and extend to the outside of leading to groove (32), and baffle (38) fixed connection that uses through cooperation with equipment carrier plate (11) are passed through at the top of two connecting blocks (37).

6. The inverter hybrid response photovoltaic power plant reactive voltage control device of claim 5, wherein: the surface of the connecting block (37) is sleeved with an elastic piece (39), and the elastic piece (39) is made of a spring.

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