CN218998523U

CN218998523U - Grid-connected control cabinet

Info

Publication number: CN218998523U
Application number: CN202223293506.5U
Authority: CN
Inventors: 徐卓; 郭晓冬
Original assignee: Nanjing Changhai Electric Automation Co ltd
Current assignee: Nanjing Changhai Electric Automation Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-09
Anticipated expiration: 2032-12-09

Abstract

The utility model belongs to the technical field of new energy power stations, and particularly relates to a grid-connected control cabinet, which comprises a cabinet body, a touch screen embedded in the front end surface of the cabinet body and a mounting groove arranged at the bottom of the front end surface of the cabinet body, wherein a plurality of control panels are arranged in the mounting groove; the cabinet body is internally provided with a controller, and the output end of the controller is electrically connected with the two groups of locking components and used for controlling the opening and closing of the locking components. The defect of the prior art is overcome, the transparent baffle and the access door can be opened after the identity of the person is determined, the operation of the unauthorized person is avoided, and the misoperation of the touch screen is also avoided.

Description

Grid-connected control cabinet

Technical Field

The utility model belongs to the technical field of new energy power stations, and particularly relates to a grid-connected control cabinet.

Background

Solar power generation is a beneficial supplement to traditional power generation, and in view of the importance of the solar power generation to environmental protection and economic development, no inadequacy in developed countries promotes solar power generation work, and small and medium-scale solar power generation forms an industry. The solar power generation has 2 modes of photovoltaic power generation and solar thermal power generation, wherein the photovoltaic power generation has the outstanding advantages of simple maintenance, large and small power and the like, is widely applied as a medium-and small-sized grid-connected power supply, and is characterized in that direct current generated by a solar module is converted into alternating current meeting the requirements of a commercial power grid through a grid-connected inverter and then is directly connected into the public power grid.

The photovoltaic grid connection is required to be provided with a control cabinet, and the switch equipment, the measuring instrument, the protection electrical appliance and the auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen through the control cabinet; in order to facilitate the adjustment of equipment parameters or monitoring parameters, a touch screen is directly arranged on the cabinet, and the control cabinet with the touch screen is easy to operate by unrelated personnel, so that system faults are caused.

Disclosure of Invention

The utility model aims to provide a grid-connected control cabinet, which overcomes the defects of the prior art, and can open a transparent baffle and an access door after the identity of a person is determined, so that the operation of a person without permission is avoided, and the misoperation of a touch screen is also avoided.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a grid-connected control cabinet, includes the cabinet body, inlays the touch-sensitive screen of establishing at cabinet body front end face and sets up the mounting groove in cabinet body front end face bottom, install a plurality of control panels in the mounting groove, but the transparent baffle of lifting movement is installed to the front end of touch-sensitive screen, and the cabinet is internal to be equipped with the holding tank that holds transparent bottom plate and go up and down, one end articulates in the mounting groove has the access door, the cabinet is internal to install two sets of locking subassembly, and two sets of locking subassembly block with transparent baffle and access door for restrict the activity of transparent baffle and access door;

the cabinet body is internally provided with a controller, the output end of the controller is electrically connected with the two groups of locking assemblies and is used for controlling the opening and closing of the locking assemblies, the front end face of the cabinet body is provided with an identity recognition unit, and the identity recognition unit is electrically connected with the input end of the controller.

Further, the locking assembly comprises a locking groove formed in the cabinet body and a bolt installed in the locking groove, one end of the bolt extends to the outer side of the locking groove and is inserted into a clamping hole formed in one side surface of the transparent baffle plate/access door, one end of the bolt, which is far away from the clamping hole, is fixedly provided with a moving block, the other side of the moving block is connected with a magnetic block and a connecting spring, the other end of the connecting spring is fixedly connected with the inner side wall of the locking groove, an electromagnet corresponding to the position of the magnetic block is installed on the locking groove, and the electromagnet is electrically connected with the controller through a wire.

Further, the outer edge of the moving block is in sliding connection with the inner side wall of the locking groove, the connecting spring is arranged on the inner sides of the magnetic block and the electromagnet in a spiral mode, and the connecting spring is made of an aluminum alloy material.

Further, the identity recognition unit comprises a fingerprint module and a camera which are embedded in the front end face of the cabinet body, the fingerprint module is used for collecting fingerprint information of an operator, the camera is used for shooting facial images of the operator, and the identity recognition module electrically connected with the controller is installed in the cabinet body and used for comparing the obtained fingerprint information with the facial images and prestored information.

Further, two clamping holes are formed in the surface of one side of the transparent baffle, and the two clamping holes are respectively located at the upper portion and the lower portion of the transparent baffle.

Further, a pressure sensor is arranged on the cabinet body and is electrically connected with the input end of the controller, and when the transparent baffle is positioned in front of the touch screen, the bottom end of the transparent baffle is in contact with the pressure sensor.

Further, a strip-shaped pushing block is fixedly arranged at the bottom of the front end face of the transparent baffle, and a handle is fixedly arranged on the surface of one end, far away from the hinge, of the access door.

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

according to the grid-connected control cabinet, the transparent baffle and the access door can be moved only by opening the locking assembly after the identity of the person is determined by the identity recognition unit, so that the touch screen or the control panel is operated, and system faults caused by illegal operation of unauthorized persons are avoided.

Drawings

Fig. 1 is a schematic structural diagram of a grid-connected control cabinet.

Fig. 2 is a schematic diagram of an internal structure of a grid-connected control cabinet.

Fig. 3 is a schematic structural diagram of a locking assembly in a grid-connected control cabinet.

Fig. 4 is an electrical control schematic block diagram of a grid-connected control cabinet.

In the figure: 1. a cabinet body; 2. a transparent baffle; 3. a camera; 4. a pushing block; 5. a fingerprint module; 6. an access door; 7. a touch screen; 8. a control panel; 9. a mounting groove; 10. a magnetic block; 11. a clamping hole; 12. a locking groove; 13. a plug pin; 14. a connecting spring; 15. an electromagnet; 16. and (5) moving the block.

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.

As shown in fig. 1-4, the grid-connected control cabinet of the utility model comprises a cabinet body 1, a touch screen 7 embedded in the front end surface of the cabinet body 1 and a mounting groove 9 arranged at the bottom of the front end surface of the cabinet body 1, wherein a plurality of control panels 8 are arranged in the mounting groove 9, a transparent baffle 2 capable of moving up and down is arranged at the front end of the touch screen 7, a containing groove for containing the transparent bottom plate to move up and down is arranged in the cabinet body 1, an access door 6 is hinged at one end in the mounting groove 9, two groups of locking components are arranged in the cabinet body 1 and are clamped with the transparent baffle 2 and the access door 6, and are used for limiting the movement of the transparent baffle 2 and the access door 6;

the controller is installed in the cabinet body 1, and the output of controller and two sets of locking subassembly electric connection for control locking subassembly's opening and close, the identification unit is installed to the preceding terminal surface of cabinet body 1, and identification unit and the input electric connection of controller.

The locking assembly comprises a locking groove 12 formed in the cabinet body 1 and a bolt 13 arranged in the locking groove 12, one end of the bolt 13 extends to the outer side of the locking groove 12 and is inserted into a clamping hole 11 formed in one side surface of the transparent baffle 2/access door 6, one end of the bolt 13 away from the clamping hole 11 is fixedly provided with a moving block 16, the other side of the moving block 16 is connected with a magnetic block 10 and a connecting spring 14, the other end of the connecting spring 14 is fixedly connected with the inner side wall of the locking groove 12, an electromagnet 15 corresponding to the position of the magnetic block 10 is arranged on the locking groove 12, and the electromagnet 15 is electrically connected with the controller through a wire.

The outer edge of the moving block 16 is slidably connected with the inner side wall of the locking groove 12, the connecting spring 14 is spirally arranged on the inner sides of the magnetic block 10 and the electromagnet 15, and the connecting spring 14 is made of aluminum alloy materials.

In order to identify the identity of the person, the identity identification unit comprises a fingerprint module 5 and a camera 3, wherein the fingerprint module 5 and the camera 3 are embedded in the front end face of the cabinet body 1, the fingerprint module 5 is used for collecting fingerprint information of an operator, the camera 3 is used for shooting facial images of the operator, and the identity identification module electrically connected with the controller is arranged in the cabinet body 1 and used for comparing the obtained fingerprint information and facial images with prestored information; in addition, authority classification can be set, and after the identity of the personnel is identified, the corresponding locking assembly of the transparent baffle 2 or the access door 6 is controlled to be started according to the authority of the personnel, so that the operators and the access personnel are distinguished.

In order to limit the position of the transparent baffle 2, two engaging holes 11 are formed on one side surface of the transparent baffle 2, and the two engaging holes 11 are respectively located at the upper portion and the lower portion of the transparent baffle 2.

In order to improve the intelligent level, a pressure sensor is mounted on the cabinet body 1 and is electrically connected with the input end of the controller, and when the transparent baffle plate 2 is positioned in front of the touch screen 7, the bottom end of the transparent baffle plate 2 is in contact with the pressure sensor.

For convenient operation, a strip-shaped pushing block 4 is fixedly arranged at the bottom of the front end face of the transparent baffle plate 2, and a handle is fixedly arranged on the surface of one end, far away from the hinge, of the access door 6.

In summary, according to the grid-connected control cabinet disclosed by the utility model, in an initial state, the electromagnet 15 is in a closed state, and the connecting spring 14 extrudes the moving block 16 to enable the bolt 13 to be inserted into the upper part of the transparent baffle 2 and the clamping hole 11 of the access door 6; when the touch screen 7 is required to be operated or the access door 6 is required to be opened to operate the control panel 8, an operator stands in front of the cabinet body 1, places fingers on the fingerprint module, the controller starts the camera 3 to acquire facial information after the fingerprint module 5 acquires the fingerprints, and the identity of the operator is determined after the comparison analysis of the identity recognition module; then the controller controls the electromagnet 15 to start, at the moment, the magnetic poles at the end, close to each other, of the electromagnet 15 and the magnetic block 10 are opposite, and the attraction between the magnetic poles is utilized to drive the moving block 16 and the bolt 13 to move towards the locking groove 12 until the bolt 13 completely leaves the clamping hole 11; an operator pushes the transparent baffle plate 2 upwards through a push plate, a controller controls a corresponding electromagnet 15 to be closed after the pressure sensor senses that the pressure disappears, a bolt 13 is inserted into the clamping hole 11 when the transparent baffle plate 2 moves to the position where the clamping hole 11 and the locking groove 12 are opposite to each other, so that the transparent baffle plate 2 is fixed, the touch screen 7 is operated after the transparent baffle plate 2 is opened, when the transparent baffle plate 2 needs to be closed, the electromagnet 15 is controlled to be started through the touch screen 7, and then the transparent baffle plate 2 is pulled downwards until the transparent baffle plate 2 is contacted with the pressure sensor, and then the transparent baffle plate 2 is closed again, so that the locking of the transparent baffle plate 2 is realized; when overhauling, only need handheld handle open access door 6, then look over control panel 8, look over the state of specific electronic components, control opening and shutting of electronic components through the switch on control panel 8, reach the purpose of overhauling, reduce the number of times of tearing open the machine, it is more convenient.

Claims

1. The utility model provides a grid-connected control cabinet, includes the cabinet body (1), inlays touch-sensitive screen (7) of establishing terminal surface before the cabinet body (1) and sets up mounting groove (9) in terminal surface bottom before the cabinet body (1), install a plurality of control panel (8), its characterized in that in mounting groove (9): the front end of the touch screen (7) is provided with a transparent baffle (2) capable of moving up and down, the cabinet body (1) is internally provided with a containing groove for containing the transparent bottom plate to move up and down, one end in the installing groove (9) is hinged with an access door (6), two groups of locking components are arranged in the cabinet body (1), and the two groups of locking components are clamped with the transparent baffle (2) and the access door (6) and are used for limiting the movement of the transparent baffle (2) and the access door (6);

the intelligent cabinet is characterized in that a controller is arranged in the cabinet body (1), the output end of the controller is electrically connected with the two groups of locking assemblies and used for controlling the opening and closing of the locking assemblies, an identity recognition unit is arranged on the front end face of the cabinet body (1), and the identity recognition unit is electrically connected with the input end of the controller.

2. A grid-tie control cabinet according to claim 1, wherein: the locking assembly comprises a locking groove (12) formed in the cabinet body (1), and a bolt (13) mounted in the locking groove (12), one end of the bolt (13) extends to the outer side of the locking groove (12) and is inserted into a clamping hole (11) formed in one side surface of the transparent baffle plate (2)/the access door (6), one end of the bolt (13) away from the clamping hole (11) is fixedly provided with a moving block (16), the other side of the moving block (16) is connected with a magnetic block (10) and a connecting spring (14), the other end of the connecting spring (14) is fixedly connected with the inner side wall of the locking groove (12), an electromagnet (15) corresponding to the position of the magnetic block (10) is mounted on the locking groove (12), and the electromagnet (15) is electrically connected with the controller through a wire.

3. A grid-tie control cabinet according to claim 2, wherein: the outer edge of the moving block (16) is in sliding connection with the inner side wall of the locking groove (12), the connecting spring (14) is arranged on the inner sides of the magnetic block (10) and the electromagnet (15) in a spiral mode, and the connecting spring (14) is made of an aluminum alloy material.

4. A grid-tie control cabinet according to claim 1, wherein: the identity recognition unit comprises a fingerprint module (5) and a camera (3) which are embedded in the front end face of the cabinet body (1), the fingerprint module (5) is used for collecting fingerprint information of an operator, the camera (3) is used for shooting facial images of the operator, and the identity recognition module electrically connected with the controller is installed in the cabinet body (1) and used for comparing the obtained fingerprint information and facial images with prestored information.

5. A grid-tie control cabinet according to claim 1, wherein: two clamping holes (11) are formed in one side surface of the transparent baffle plate (2), and the two clamping holes (11) are respectively located at the upper portion and the lower portion of the transparent baffle plate (2).

6. The grid-tie control cabinet of claim 5, wherein: the pressure sensor is arranged on the cabinet body (1) and is electrically connected with the input end of the controller, and when the transparent baffle plate (2) is positioned in front of the touch screen (7), the bottom end of the transparent baffle plate (2) is in contact with the pressure sensor.

7. A grid-tie control cabinet according to claim 1, wherein: the bottom of the front end face of the transparent baffle plate (2) is fixedly provided with a strip-shaped pushing block (4), and the surface of one end of the access door (6) far away from the hinge is fixedly provided with a handle.