Intelligent safety power distribution cabinet

Abstract

The utility model provides an intelligent safety type power distribution cabinet, comprising a cabinet body which is internally provided with a main loop voltage acquisition unit, a main loop current acquisition unit, a branch current acquisition unit, a bus joint temperature signal input unit and a control unit. The main loop voltage acquisition unit, the main loop current acquisition unit, the branch current acquisition unit and the bus joint temperature signal input unit are electrically connected with the control unit; a touch screen is arranged on the outer surface of the cabinet body, the touch screen is used for displaying parameter data in the power distribution cabinet, and the touch screen is electrically connected with the control unit; an alarm device is arranged on the outer side face of the cabinet body and used for giving an alarm when data exceed a set threshold value. According to the utility model, through data acquisition, monitoring and intelligent management of the power distribution network, reliability, safety, rapidity, stability and real-time performance of a machine room power distribution system are improved, and the power distribution cabinet is high in universality and suitable for popularization and application.

Description

TECHNICAL FIELD

[0001] The utility model belongs to switch control equipment technical field, especially a kind of intelligent safety type switch board. BACKGROUND

[0002] Switch board is the last stage equipment of distribution system, it is suitable for power plant, substation, petrochemical, metallurgy rolling, transportation energy, residential area and so on place of distribution, can satisfy the distribution demand of different power system, with efficient, flexible, reliable characteristics.However, the intelligent degree of existing switch board is not high, safety needs to be improved, to ensure the safe and reliable operation of power system. SUMMARY

[0003] Therefore, the utility model aims at overcoming the above-mentioned problems in prior art, and proposes an intelligent safety type switch board.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] An intelligent safety type switch board, comprising a cabinet body, a main loop voltage acquisition unit, a main loop current acquisition unit, a branch current acquisition unit, a bus joint temperature signal input unit and a control unit are arranged in the cabinet body; the main loop voltage acquisition unit, the main loop current acquisition unit, the branch current acquisition unit and the bus joint temperature signal input unit are electrically connected to the control unit.

[0006] The bus joint temperature signal input unit comprises a first temperature sensor, the first temperature sensor is installed on the busbar of high-voltage switch board, and is used for detecting busbar temperature.

[0007] A second temperature sensor is further arranged in the cabinet body, the second temperature sensor is arranged on the inner wall of the cabinet body, and is used for detecting internal temperature data of switch board, and the second temperature sensor is electrically connected to the control unit.

[0008] A humidity sensor is further arranged in the cabinet body, the humidity sensor is arranged on the inner wall of the cabinet body, and is used for detecting internal humidity data of switch board, and the humidity sensor is electrically connected to the control unit.

[0009] A touch screen is arranged on the outer surface of the cabinet body, the touch screen is used for displaying each parameter data in switch board, and the touch screen is electrically connected to the control unit.

[0010] An alarm device is arranged on the outer side of the cabinet body, and is used for alarming and reminding when data exceeds set threshold.

[0011] Further, a camera is further arranged above the cabinet body, and the camera is electrically connected to the control unit.

[0012] Further, the control unit comprises a controller, an AD converter, a comparator, a wireless communication unit, a CAN communication interface, a power supply circuit, a clock circuit, a reset circuit and a JTAG emulation debugging circuit, and the CAN communication interface, the AD converter, the comparator, the wireless communication unit, the power supply circuit, the clock circuit, the reset circuit and the JTAG emulation debugging circuit are electrically connected with the controller.

[0013] Further, the main loop voltage acquisition unit, the main loop current acquisition unit and the branch current acquisition unit are electrically connected with the controller through the AD converter.

[0014] Further, a signal conditioning circuit is arranged between the loop voltage acquisition unit, the main loop current acquisition unit and the branch current acquisition unit and the AD converter, and the signal conditioning circuit comprises a differential amplification circuit, a low-pass filter circuit and a clamping circuit, the differential amplification circuit is used for completing conditioning of an analog signal, the low-pass filter circuit is used for filtering a high-frequency part of a signal, and the clamping circuit is used for controlling the signal within a safety range.

[0015] Further, the cabinet body is provided with heat dissipation holes.

[0016] Further, the monitoring host is arranged in a monitoring room, and the control unit further transmits the power distribution cabinet operation parameter to the upper-layer monitoring host.

[0017] Further, the power distribution cabinet is connected with the monitoring host through the wireless communication unit.

[0018] Further, the controller adopts a single-chip microcomputer.

[0019] Further, the monitoring host is further connected with a server.

[0020] Compared with the prior art, the intelligent safe power distribution cabinet has the following advantages:

[0021] The power distribution cabinet has high universality and is suitable for popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings constituting a part of this utility model are used to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model. In the drawings:

[0023] Figure 1 It is a structure schematic view of the intelligent safe power distribution cabinet of the utility model;

[0024] Figure 2 A principle block diagram of the intelligent safe power distribution cabinet;

[0025] Figure 3 A principle block diagram of the control unit of the utility model;

[0026] Figure 4 A signal conditioning circuit diagram of the utility model.

[0027] Explanation of reference signs

[0028] 1-cabinet body;2-second temperature sensor;3-humidity sensor;4-touch screen;5-alarm device;

[0029] 6-camera;7-monitor host;8-server. DETAILED DESCRIPTION

[0030] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0031] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0033] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0034] As Figures 1-2 The utility model provides a kind of intelligent safety type switch board, including cabinet 1, main loop voltage acquisition unit, main loop current acquisition unit, branch current acquisition unit, busbar joint temperature signal input unit and control unit are equipped in the cabinet 1;The main loop voltage acquisition unit, main loop current acquisition unit, branch current acquisition unit, busbar joint temperature signal input unit are electrically connected control unit;

[0035] The busbar joint temperature signal input unit includes first temperature sensor, and the first temperature sensor is installed on the busbar of high-voltage switch board, for detecting busbar temperature;

[0036] Second temperature sensor 2 is further equipped in the cabinet 1, and the second temperature sensor 2 is arranged in the inner wall of cabinet, for detecting the internal temperature data of switch board, and the second temperature sensor 2 is electrically connected control unit;

[0037] Humidity sensor 3 is further equipped in the cabinet 1, and the humidity sensor 3 is arranged in the inner wall of cabinet, for detecting the internal humidity data of switch board, and the humidity sensor 3 is electrically connected control unit;

[0038] The external surface of the cabinet 1 is equipped with touch screen 4, and the touch screen 4 is used to display each parameter data in switch board, and the touch screen 4 is electrically connected control unit;

[0039] Alarm device 5 is equipped on the external side of the cabinet 1, for data exceeding set threshold value to alarm and remind.

[0040] Specifically, camera 6 is further equipped above the cabinet 1, and the camera 6 is electrically connected control unit.

[0041] As Figure 3 The control unit includes controller, AD converter, comparator, wireless communication unit, CAN communication interface, power supply circuit, clock circuit, reset circuit and JTAG simulation debugging circuit, and the CAN communication interface, AD converter, comparator, wireless communication unit, power supply circuit, clock circuit, reset circuit and JTAG simulation debugging circuit are electrically connected controller.

[0042] Specifically, the main loop voltage acquisition unit, main loop current acquisition unit and branch current acquisition unit are electrically connected controller by AD converter.

[0043] Specific, the circuit voltage acquisition unit, main circuit current acquisition unit, branch current acquisition unit and AD converter are also provided with signal conditioning circuit, the signal conditioning circuit includes differential amplifier circuit, low pass filter circuit and clamping circuit, the differential amplifier circuit is used for completing the conditioning of analog signal, the low pass filter circuit is used for filtering the high frequency part of signal, and the clamping circuit is used for controlling signal within the safety range. Figure 4 As shown in the figure.

[0044] Specific, the cabinet side is provided with a heat dissipation hole.

[0045] Specific, further including monitoring host computer 7, the monitoring host computer 7 is arranged in the monitoring room, and the control unit further transmits the power distribution cabinet operating parameter to the upper monitoring host computer 7.

[0046] Specific, the power distribution cabinet is connected with the monitoring host computer 7 through a wireless communication unit.

[0047] Specific, the controller adopts a single-chip microcomputer.

[0048] Specific, the monitoring host computer 7 is also connected with a server 8.

[0049] The utility model discloses in working, utilize main circuit voltage acquisition unit, main circuit current acquisition unit, branch current acquisition unit real -time collection power distribution cabinet inside main circuit voltage, current, branch current data, and send data to control unit, and through touch -sensitive screen real -time display, and control unit will receive the data through comparator with the preset threshold value compares, and exceeds the set threshold value, then sends the alarm signal, and the alarm device is alarmed and reminded.

[0050] The utility model discloses in working, the first temperature sensor is attached on the heating point of power distribution cabinet, mainly installs on the busbar of high voltage power distribution cabinet, is used for detecting busbar temperature, and sends data to control unit, and control unit will receive the data through comparator with the preset threshold value compares, and once busbar temperature exceeds the set threshold value, then sends the alarm signal, and the alarm device is alarmed and reminded, and the temperature change of busbar indicates busbar contact state, if temperature exceeds the threshold value, then explain contact failure, and promptly inform the management personnel and maintain.

[0051] The utility model discloses in working, utilize second temperature sensor real -time detection power distribution cabinet internal temperature data, and send data to control unit, and control unit will receive the data through comparator with the preset threshold value compares, and once the temperature in the cabinet exceeds the set threshold value, then sends the alarm signal, and the alarm signal is alarmed and reminded, avoids that temperature is too high and causes component damage.

[0052] The utility model discloses a control unit, the data that the humidity sensor real -time detection power distribution cabinet inside humidity data is sent to control unit, and control unit will receive the data through comparator with the preset threshold value compare, once the cabinet body pin humidity exceeds the set threshold value, then sends the alarm signal, and the alarm signal is reminded through the alarm, avoids the damage of component caused by the excessive humidity.

[0053] The utility model discloses still the data of real -time acquisition is sent to the upper monitoring host computer and server, carries out the management and the preservation of data.

[0054] Need to explain, the utility model uses each component all is the existing product, and the connecting relationship of each component is also the conventional connecting relationship of the field.

[0055] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An intelligent safety type power distribution cabinet, characterized in that: Including cabinet (1), the cabinet (1) is equipped with main circuit voltage acquisition unit, main circuit current acquisition unit, branch current acquisition unit, bus joint temperature signal input unit and control unit in;The main circuit voltage acquisition unit, main circuit current acquisition unit, branch current acquisition unit, bus joint temperature signal input unit are all electrically connected control unit; The bus joint temperature signal input unit includes first temperature sensor, the first temperature sensor is installed on the busbar of high-voltage power distribution cabinet and is used for detecting busbar temperature; The cabinet (1) is further provided with second temperature sensor (2), the second temperature sensor (2) is arranged on the inner wall of the cabinet, is used for detecting the internal temperature data of power distribution cabinet, and the second temperature sensor (2) is electrically connected with the control unit; The cabinet (1) is further provided with humidity sensor (3), the humidity sensor (3) is arranged on the inner wall of the cabinet, is used for detecting the internal humidity data of power distribution cabinet, and the humidity sensor (3) is electrically connected with the control unit; The external surface of the cabinet (1) is provided with touch screen (4), the touch screen (4) is used for displaying various parameter data in power distribution cabinet, and the touch screen (4) is electrically connected with the control unit; The external side of the cabinet (1) is provided with alarm device (5), which is used for alarming and reminding when data exceeds the set threshold.

2. The intelligent safety power distribution cabinet according to claim 1, characterized in that: The cabinet (1) is further provided with camera (6), and the camera (6) is electrically connected with the control unit.

3. The intelligent safety power distribution cabinet according to claim 1, characterized in that: The control unit includes a controller, an AD converter, a comparator, a wireless communication unit, a CAN communication interface, a power supply circuit, a clock circuit, a reset circuit and a JTAG emulation debugging circuit, and the CAN communication interface, the AD converter, the comparator, the wireless communication unit, the power supply circuit, the clock circuit, the reset circuit and the JTAG emulation debugging circuit are all electrically connected with the controller.

4. The intelligent safety power distribution cabinet according to claim 1, characterized in that: The main circuit voltage acquisition unit, the main circuit current acquisition unit and the branch current acquisition unit are electrically connected with the controller through the AD converter.

5. The intelligent safety power distribution cabinet according to claim 4, characterized in that: A signal conditioning circuit is further provided between the circuit voltage acquisition unit, the main circuit current acquisition unit and the branch current acquisition unit and the AD converter, the signal conditioning circuit includes a differential amplification circuit, a low-pass filter circuit and a clamping circuit, the differential amplification circuit is used for conditioning analog signals, the low-pass filter circuit is used for filtering high-frequency parts of signals, and the clamping circuit is used for controlling signals within a safe range.

6. The intelligent safety power distribution cabinet according to claim 1, characterized in that: The cabinet (1) is provided with a heat dissipation hole on the side.

7. The intelligent safety power distribution cabinet according to claim 1, characterized in that: Further comprising a monitoring host computer (7), the monitoring host computer (7) is arranged in the monitoring room, and the control unit further transmits the operation parameters of the power distribution cabinet to the upper monitoring host computer (7).

8. The intelligent safety power distribution cabinet according to claim 7, characterized in that: The power distribution cabinet is connected with the monitoring host computer (7) through the wireless communication unit.

9. The intelligent safety power distribution cabinet according to claim 3, characterized in that: The controller adopts a single-chip microcomputer.

10. The intelligent safety power distribution cabinet according to claim 7, characterized in that: The monitoring host computer (7) is further connected with a server (8).

Images