A collection terminal for distributed power supply system and installation method

Abstract

The present invention discloses a collection terminal and installation method for a distributed power supply system. The collection terminal includes a collection box, a line board and a controller. The collection box is fixedly installed on a power cabinet, and a collection element is installed inside the collection box; the line board is fixedly installed on the power cabinet, and a line frame is installed on the line board. The line frame is connected with a number of wires for connecting the collection box. The line board is also installed with a sensing mechanism, and the sensing mechanism has a mounting hole for installing each wire, which is used to send a sensing signal when each wire is displaced relative to the mounting hole; the controller is arranged in the collection box and is electrically connected to the sensing mechanism, which is used to control the collection box to feedback information when receiving the sensing signal. In this technical solution, by setting the line frame and the sensing mechanism, the connection status of the wire can be monitored in real time, and abnormal conditions can be discovered and fed back in time, thereby improving the stability of the collection terminal, the accuracy of fault detection and the response speed, and ensuring the rapid deployment and simple maintenance of the terminal.

Description

Technical Field

[0001] The present invention relates to the technical field of cable installation, and in particular to a collection terminal for a distributed power supply system and an installation method thereof. Background Art

[0002] my country's distributed power system is developing rapidly. In the distributed power grid connection, energy storage devices can smooth the output power of the power supply through appropriate charging and discharging, thereby reducing the impact or fluctuation when the distributed power is connected. The combination of distributed power and energy storage technology will greatly improve the energy utilization and economy of the system.

[0003] In view of the current situation of the rapid development of distributed power systems, we should use advanced information technology and intelligent management technology based on traditional energy systems, integrate meteorological data, power grid data, etc., conduct big data analysis, deeply couple information systems and energy systems, and achieve coordinated development and integrated complementarity of "source-grid-load-storage" to build a safe, reliable, intensive, efficient, clean and low-carbon smart energy system. Therefore, it is very necessary to install a collection terminal on the energy storage device.

[0004] At present, the data acquisition terminal used in distributed power supply systems is often combined with energy storage cabinets. Each battery stack of the energy storage cabinet is connected to the data acquisition terminal through wires, so that its current, voltage, operating environment and other information are recorded by the data acquisition terminal and sent to the remote power station for real-time monitoring. However, due to excessive current at the interface of the wire or aging of the wire, the temperature will be too high due to a short circuit, thereby damaging the wire. In addition, since energy storage cabinets are often set up in extreme environments such as outdoors, the wires are prone to falling off, resulting in the inability to feedback power information in a timely manner and the power information being misreported. Summary of the invention

[0005] The main purpose of the present invention is to provide a collection terminal and installation method for a distributed power system, aiming to solve the technical problem that the wires at the interface of the collection terminal fail and cannot provide timely feedback.

[0006] To achieve the above object, the present invention proposes a data acquisition terminal for a distributed power system, the data acquisition terminal comprising:

[0007] A collection box is fixedly installed on the power cabinet, and a collection element is installed inside the collection box;

[0008] A wire board is fixedly mounted on the power cabinet, a wire frame is mounted on the wire board, a plurality of wires for connecting the collection box are connected to the wire frame, and a sensing mechanism is also mounted on the wire board, the sensing mechanism has a mounting hole for mounting each of the wires, and is used to send a sensing signal when each of the wires is displaced relative to the mounting hole; and

[0009] The controller is disposed in the collection box and is electrically connected to the sensing mechanism, and is used to control the collection box to feedback information when receiving the sensing signal.

[0010] Optionally, the wire fixing frame includes a plurality of clamping blocks, and a clamping hole for clamping the wire is formed between two adjacent clamping blocks.

[0011] Optionally, a slide rail is provided on the line plate, and each clamping block is slidably arranged on the slide rail.

[0012] Optionally, a clamp is also installed on the line plate, and the clamp is used to clamp two adjacent clamping blocks.

[0013] Optionally, the clamp includes a screw and a fixing frame provided on the wire plate, the screw is connected to a screw hole on the fixing frame, and an end portion of the screw abuts against the clamping block.

[0014] Optionally, the acquisition box includes a chassis and a fan, the chassis is provided with a plurality of heat dissipation holes, the fan is arranged opposite to each of the heat dissipation holes, and the fan is arranged opposite to each of the wires.

[0015] Optionally, the wiring rack and the sensing mechanism are arranged close to each other, and the sensing mechanism is arranged close to an interface of the collection box.

[0016] Optionally, the sensing mechanism is a photoelectric sensor, and each of the wires is provided with a light-transmitting portion for light to pass through, so that light can pass through the mounting hole normally.

[0017] Optionally, the sensing mechanism further comprises an infrared detector, which is arranged opposite to each of the wires to detect the temperature thereof and feed back to the controller.

[0018] The present invention also proposes a method for installing the above-mentioned data acquisition terminal for the distributed power system, comprising the following steps:

[0019] S10, connect the acquisition box and the line board, and install them in the power cabinet;

[0020] S20, connecting each wire of the power supply to the wiring rack;

[0021] S30, continue to connect the wire to the installation hole of the sensing mechanism;

[0022] S40, insert the wire into the interface of the collection box, and finally clamp the wire.

[0023] In the technical solution of the present invention, by setting up a wiring rack and a sensing mechanism, the connection status of the wires can be monitored in real time, abnormal conditions can be discovered and fed back in time, the stability of the acquisition terminal, the accuracy of fault detection and the response speed can be improved, and the rapid deployment and simple maintenance of the terminal can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0025] Figure 1 A three-dimensional schematic diagram of an embodiment of a data acquisition terminal for a distributed power supply system provided by the present invention;

[0026] Figure 2 for Figure 1 3D schematic diagram of some structures;

[0027] Figure 3 for Figure 1 A three-dimensional schematic diagram from another perspective;

[0028] Figure 4 for Figure 1 A three-dimensional schematic diagram of part of the structure of the collection box.

[0029] In the figure: a data acquisition terminal 100 for a distributed power supply system, a data acquisition box 1, a chassis 11, a heat dissipation hole 112, a data acquisition element 12, a fan 13, a wire board 2, a wire fixing frame 21, a clamp block 211, a clamp hole 2111, a sensing mechanism 22, a mounting hole 221, a slide rail 23, a clamp 24, a screw 241, a fixing frame 242, a screw hole 2421, a wire 3, and a controller 4.

[0030] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] In order to better describe and illustrate the embodiments of the present application, reference may be made to one or more drawings, but the additional details or examples used to describe the drawings should not be considered as limiting the scope of the invention of the present application, any of the currently described embodiments or preferred methods.

[0033] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" are based on the positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention. They do not indicate that the device referred to must have a specific direction or operate in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0035] At present, the data acquisition terminal used in distributed power supply systems is often combined with energy storage cabinets. Each battery stack in the energy storage cabinet is connected to the data acquisition terminal through wires, so that its current, voltage, operating environment and other information are recorded by the data acquisition terminal and sent to the remote power station for real-time monitoring. However, since the current of the wire is too large at the interface, the wire is often damaged due to excessive temperature; in addition, since the energy storage cabinet is often set up in extreme environments such as outdoors, the wire is prone to falling off, resulting in the failure to feedback the power information in a timely manner and the power information being misreported.

[0036] In view of this, the present invention proposes a data acquisition terminal for a distributed power system. Figure 1-4 For an embodiment of a distributed power supply system acquisition terminal provided by the present invention, please refer to Figure 1-4 The data collection terminal 100 for the distributed power supply system includes a data collection box 1, a line board 2 and a controller 4.

[0037] Specifically, the distributed power supply system includes an energy storage device, which is a power box composed of several battery stacks. Among them, the collection box 1 of the collection terminal 100 is fixedly installed on the power cabinet, and the collection element 12 is installed inside the collection box 1. The battery stacks and the collection element 12 are electrically connected through the wires 3, so as to collect the current and voltage information of each battery stack. The line board 2 is also fixedly installed on the power cabinet, preferably fixedly connected with the collection box 1. The line board 2 is installed with a fixed wire rack 21, and the fixed wire rack 21 is connected with several wires 3 for connecting the collection box 1 to fix the wires 3. The line board 2 is also installed with a sensing mechanism 22, and the sensing mechanism 22 has a mounting hole 221 for mounting each wire 3, which is used to send a sensing signal when each wire 3 is displaced relative to the mounting hole 221. The controller 4 is arranged in the collection box 1 and is electrically connected to the sensing mechanism 22, so as to control the collection box 1 to collect and feedback information to the outside world when receiving the sensing signal, so as to notify the maintenance personnel to perform maintenance.

[0038] In the technical solution of the present invention, by setting up the wiring rack 21 and the sensing mechanism 22, the connection status of the wire 3 can be monitored in real time, abnormal conditions can be discovered and fed back in time, the stability of the acquisition terminal 100, the accuracy of fault detection and the response speed are improved, and the rapid deployment and simple maintenance of the terminal are ensured.

[0039] To prevent the wire 3 from falling off, refer to Figure 1 and Figure 2 In one embodiment of the present invention, the wire fixing frame 21 includes a plurality of clamping blocks 211 , and a clamping hole 2111 for clamping the wire 3 is formed between two adjacent clamping blocks 211 . The wire 3 is fixed by placing the wire 3 in the clamping hole 2111 .

[0040] Further, in order to make each clamping hole 2111 adapt to wires 3 of different thicknesses, please refer to Figures 1 to 3 In one embodiment of the present invention, a slide rail 23 is provided on the wire board 2, and each clamping block 211 is slidably disposed on the slide rail 23. The distance between two adjacent clamping blocks 211 is adjusted by sliding to achieve clamping of different wires 3.

[0041] To clamp the wire 3 to prevent it from shaking, refer to Figure 1 In one embodiment of the present invention, a clamp 24 is also installed on the line board 2, and the clamp 24 is used to clamp two adjacent clamping blocks 211.

[0042] Furthermore, there are many ways to clamp the clamp 24, please refer to Figure 1 and Figure 2 In one embodiment of the present invention, each clamping block 211 is arranged in a row or column, and the clamp 24 includes a screw rod 241 and a fixing frame 242 arranged on the wire board 2, the screw rod 241 is connected to the screw hole 2421 on the fixing frame 242, and the end of the screw rod 241 abuts against a clamping block 211 at the edge. By rotating the screw rod 241, it continuously applies pressure to the clamping block 211, so that each clamping block 211 is clamped to position the wire 3 in the clamping hole 2111. In order to fix the clamping block 211 at the other edge, a stopper can be set at the other edge to position it and prevent it from moving.

[0043] Of course, the embodiments of the present invention are not limited thereto, and the clamping may also be performed by means of an electromagnet, by energizing each clamping block 211 to have different polarities, thereby clamping the wire 3 .

[0044] To cool the collection element 12, refer to Figure 1 , Figure 3 and Figure 4In one embodiment of the present invention, the collection box 1 includes a chassis 11 and a fan 13. The collection element 12 is installed in the chassis 11. The chassis 11 is provided with a plurality of heat dissipation holes 112. The fan 13 is arranged opposite to each heat dissipation hole 112 to pass the airflow through the collection element 12 in the chassis 11 to achieve a heat dissipation effect. In addition, each heat dissipation hole 112 is opposite to each wire 3 outside the chassis 11, and can also take away the heat of the wire 3. Preferably, each wire 3 is arranged at the air inlet of the fan 13.

[0045] To facilitate the detection of loose wire 3 at the interface of the collection box 1, please refer to Figure 1 In one embodiment of the present invention, the wire frame 21 and the sensing mechanism 22 are arranged close to each other, and the sensing mechanism 22 is arranged close to the interface of the collection box 1. By reducing the shaking range of the wire 3 between the wire frame 21 and the interface of the chassis 11, the detection accuracy of the sensing mechanism 22 can be improved.

[0046] In order to realize the detection of the displacement of the wire 3 by the sensing mechanism 22, in one embodiment of the present invention, the sensing mechanism 22 includes a photoelectric sensor, and each wire 3 is provided with a light-transmitting portion for light to pass through, so that the light emitted by the photoelectric sensor can normally pass through the mounting hole 221. When the wire 3 is displaced, the position of the light-transmitting portion changes, resulting in the light being unable to pass through the mounting hole 221, and the photoelectric sensor being unable to receive the light, and the sensing mechanism 22 then sends a sensing signal to the controller 4, and feeds back the information to the outside world through the communication unit of the collection box 1.

[0047] It should be noted that the light-transmitting portion can be a transparent object fixedly sleeved on the wire 3, or a transparent portion of the wire 3 itself, or a notch on the wire 3 for light to pass through.

[0048] In order to detect the temperature of the wire 3, in one embodiment of the present invention, the sensing mechanism 22 also includes an infrared detector (not shown in the figure), which is arranged opposite to each wire 3. When the temperature of the wire 3 changes, the infrared detector receives the infrared light emitted by it and converts it into a temperature signal, which is fed back to the controller 4, and then the information is fed back to the outside world through the communication unit of the collection box 1 for real-time monitoring.

[0049] Preferably, the controller 4 and the fan 13 are interlocked and controlled. When the temperature of the wire 3 reaches a certain threshold, the controller 4 controls the fan 13 to start or accelerate the operation to start cooling the wire 3.

[0050] The present invention also proposes a method for installing the above-mentioned acquisition terminal 100 for the distributed power system, comprising the following steps:

[0051] Step S10: Connect the collection box 1 and the line board 2 and install them in the power cabinet.

[0052] During the specific implementation, the wire board 2 and the collection box 1 are fixedly connected together, ensuring that there are no cracks in the interface between the two, and the collection box 1 and the wire board 2 are carried as a whole to the predetermined position of the power cabinet. Use screws and anti-skid pads to connect the holes on the collection box 1 and the wire board 2, and fix the two as a whole in the power cabinet. When fixing, ensure that the equipment is stable to prevent loose connections due to vibration or impact.

[0053] Step S20 , connecting each wire 3 of the power supply to the wiring rack 21 .

[0054] In a specific implementation, the wire fixing frame 21 has a plurality of clamping holes 2111 for the wires, and the wires 3 of the power supply are aligned with the corresponding clamping holes 2111 of the wire fixing frame 21 .

[0055] Step S30 , continue to connect the wire 3 to the mounting hole 221 of the sensing mechanism 22 .

[0056] During specific implementation, ensure that the positions of the light-transmitting portions of each wire 3 are consistent with each other, so that the photoelectric sensor of the sensing mechanism 22 can smoothly pass the light through each light-transmitting portion, and ensure that the position of each wire 3 in the mounting hole 221 is not offset.

[0057] Step S40, insert the wire 3 into the interface of the collection box 1, and finally clamp the wire 3.

[0058] During specific implementation, the wire 3 is inserted into the interface of the collection box 1, and the screw 241 is fastened to the clamping block 211 using the clamp 24, so as to fix the wires 3 of different thicknesses and ensure the stability of the connection.

[0059] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A data acquisition terminal for a distributed power system, characterized in that: include: A collection box (1) is fixedly mounted on a power cabinet, and a collection element (12) is installed inside the collection box (1); A line board (2) is fixedly mounted on a power cabinet, a line frame (21) is mounted on the line board (2), a plurality of wires (3) for connecting to the collection box (1) are connected to the line frame (21), and a sensing mechanism (22) is also mounted on the line board (2), the sensing mechanism (22) having a mounting hole (221) for mounting each of the wires (3), and is used to emit a sensing signal when each of the wires (3) is displaced relative to the mounting hole (221); and A controller (4), disposed in the collection box (1) and electrically connected to the sensing mechanism (22), for controlling the collection box (1) to feedback information when receiving the sensing signal; The collection box (1) comprises a chassis (11) and a fan (13); the chassis (11) is provided with a plurality of heat dissipation holes (112); the fan (13) is arranged opposite to each of the heat dissipation holes (112); and the fan (13) is arranged opposite to each of the wires (3); The wire-fixing frame (21) and the sensing mechanism (22) are arranged close to each other, and the sensing mechanism (22) is arranged close to the interface of the collection box (1), and the sensing mechanism (22) is arranged between the interface of the wire-fixing frame (21) and the collection box (1); The sensing mechanism (22) is a photoelectric sensor, and each of the wires (3) is provided with a light-transmitting portion for light to pass through, so that light can pass through the mounting hole (221) normally; The light-transmitting portion is a transparent object fixedly mounted on the wire (3), or a transparent portion of the wire (3) itself, or a notch on the wire (3) for letting light pass; The sensing mechanism (22) further comprises an infrared detector, which is arranged opposite to each of the wires (3) to detect the temperature thereof and feed back to the controller (4); The controller (4) and the fan (13) are interlocked and controlled, and when the temperature of the wire (3) reaches a certain threshold, the controller (4) controls the fan (13) to start or accelerate the operation to start cooling the wire (3); The wire fixing frame (21) comprises a plurality of clamping blocks (211), and a clamping hole (2111) for clamping a wire (3) is formed between two adjacent clamping blocks (211).

2. The distributed power system acquisition terminal according to claim 1, characterized in that: A slide rail (23) is provided on the line plate (2), and each of the clamping blocks (211) is slidably disposed on the slide rail (23).

3. The distributed power system acquisition terminal according to claim 1, characterized in that: A clamp (24) is also mounted on the line plate (2), and the clamp (24) is used to clamp two adjacent clamping blocks (211).

4. The distributed power system acquisition terminal according to claim 3, characterized in that: The clamp (24) comprises a screw rod (241) and a fixing frame (242) provided on the wire plate (2); the screw rod (241) is connected to a screw hole (2421) on the fixing frame (242), and an end portion thereof abuts against the clamping block (211).

5. A method for installing a data acquisition terminal for a distributed power system according to any one of claims 1 to 4, characterized in that: The following steps are involved: S10, connect the acquisition box and the line board, and install them in the power cabinet; S20, connecting each wire of the power supply to the wiring rack; S30, continue to connect the wire to the installation hole of the sensing mechanism; S40, insert the wire into the interface of the collection box, and finally clamp the wire.

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