Power cabinet monitoring equipment and power cabinet thereof

Abstract

The utility model discloses an electric power cabinet monitoring device and an electric power cabinet. The electric power cabinet monitoring device comprises a control module; the power supply module is electrically connected with the control module; the alarm module is electrically connected with the control module; the information acquisition module is electrically connected with the control module; the signal output module is electrically connected with the control module, and the signal output module is further connected with a relay output interface; and the display module is electrically connected with the control module, and the display module is provided with a DI interface and a DO interface. The display module is integrated with the DI interface and the DO interface to obtain the control signal of the power cabinet, the internal information of the power cabinet is displayed according to the control signal, and the alarm module responds to the alarm signal generated by the power cabinet to give an alarm, so that the power cabinet can realize function expansion without externally hanging components.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution systems, in particular to a power cabinet monitoring device and a power cabinet thereof. Background Art

[0002] The control signals of the power cabinet monitoring equipment in the prior art are uniformly provided by the signal system, and the power cabinet body only has a display function. When the power cabinet is running, external functional components are required to obtain information from the power cabinet by selecting appropriate sensors and network devices, such as temperature sensors, humidity sensors, current sensors, wireless communication modules or wired gateways, etc., resulting in the power cabinet itself having a relatively single function. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a power cabinet monitoring device and a power cabinet thereof, which integrates multiple components in the power cabinet display device, so that the power cabinet can realize the function expansion of the power cabinet without external components.

[0004] On the one hand, a dimming circuit according to an embodiment of the utility model includes:

[0005] Control module;

[0006] a power module, the power module being electrically connected to the control module;

[0007] an alarm module, the alarm module being electrically connected to the control module;

[0008] An information acquisition module, the information acquisition module is electrically connected to the control module;

[0009] A signal output module, the signal output module is electrically connected to the control module, and the signal output module is also connected to a relay output interface;

[0010] A display module is electrically connected to the control module, and the display module is provided with a DI interface and a DO interface.

[0011] According to some embodiments of the present utility model, the alarm module includes an alarm sound output unit, the alarm sound output unit is electrically connected to the control module, and the alarm sound output unit is provided with a speaker.

[0012] According to some embodiments of the utility model, the information acquisition module includes an environmental parameter acquisition unit and an electrical parameter acquisition unit, both of which are electrically connected to the control module, the environmental parameter acquisition unit is also connected to a sensor, and the electrical parameter acquisition unit is also connected to an electric power parameter sensor.

[0013] According to some embodiments of the utility model, the control module is also connected to a signal processing module, the signal processing module includes an input signal processing unit, a photoelectric isolation processing unit, a human body approach processing unit and a partial discharge processing unit, the input signal processing unit is electrically connected to the photoelectric isolation processing unit, the photoelectric isolation processing unit is also connected to a switch interface, the partial discharge processing unit is also connected to a partial discharge monitoring sensor device, and the human body approach processing unit is electrically connected to the control module.

[0014] According to some embodiments of the utility model, the signal output module is provided with an output circuit, and the output circuit includes a first chip, a first relay, a first photoelectric coupler, a second photoelectric coupler, a first resistor, a second resistor, a third resistor, a fourth resistor, a first transformer, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode, a third diode, a fourth diode, and a fifth diode. The first end of the first photoelectric coupler is electrically connected to the power supply module, the second end of the first photoelectric coupler is connected to one end of the first resistor, the other end of the first resistor is electrically connected to the first chip, the third end of the first photoelectric coupler, one end of the first capacitor, and one end of the second resistor are all electrically connected to the power supply module, the fourth end of the first photoelectric coupler, the other end of the first capacitor, the other end of the second resistor, and the anode of the first diode are all electrically connected to the first end of the first relay, and the cathode of the first diode and the second end of the first relay are all connected to The power module is electrically connected, the third end of the relay is electrically connected to the first end of the first transformer, the second end of the first transformer is electrically connected to the first chip, the anode of the second diode and the cathode of the third diode are electrically connected to the third end of the first transformer, the cathode of the fourth diode and the anode of the fifth diode are both electrically connected to the fourth end of the first transformer, the cathode of the second diode, the cathode of the fifth diode, one end of the third resistor and one end of the second capacitor are all electrically connected to the first end of the second photoelectric coupler, the anode of the third diode, the anode of the fourth diode, the other end of the third resistor and the other end of the second capacitor are all electrically connected to the second end of the second photoelectric coupler, the third end of the second photoelectric coupler and one end of the third capacitor are both grounded, the fourth end of the second photoelectric coupler and the other end of the third capacitor are both electrically connected to one end of the fourth resistor, and the other end of the fourth resistor is electrically connected to the power module.

[0015] According to some embodiments of the utility model, the human body approach processing unit is also connected to an infrared emitting device, an infrared receiving device and a sensing circuit, the sensing circuit includes a fifth resistor, a sixth resistor, a first photodiode and a first transistor, the fifth resistor is electrically connected to the anode of the first photodiode, the cathode of the first photodiode is electrically connected to the collector of the first transistor, the base of the first transistor is electrically connected to one end of the sixth resistor, the emitter of the first transistor is grounded, and the other end of the sixth resistor is electrically connected to the control module.

[0016] According to some embodiments of the present invention, the control module is also connected to a clock module and a storage device.

[0017] The utility model also provides a power cabinet, comprising the power cabinet monitoring device as described in any one of the above items.

[0018] The power cabinet monitoring device and the power cabinet thereof according to the embodiment of the utility model have at least the following beneficial effects:

[0019] Control module; power module, the power module is electrically connected to the control module; alarm module, the alarm module is electrically connected to the control module; information acquisition module, the information acquisition module is electrically connected to the control module; signal output module, the signal output module is electrically connected to the control module, and the signal output module is also connected to a relay output interface; display module, the display module is electrically connected to the control module, and the display module is provided with a DI interface and a DO interface. The display module integrates the DI interface and the DO interface to obtain the control signal of the power cabinet, and displays the internal information of the power cabinet according to the control signal. The alarm module responds to the alarm signal generated by the power cabinet itself to issue an alarm, so that the power cabinet can achieve functional expansion without external components.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 This is a circuit structure block diagram of the power cabinet monitoring device according to an embodiment of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the power cabinet monitoring device according to an embodiment of the utility model;

[0024] Figure 3 This is a circuit schematic diagram of the output circuit of the power cabinet monitoring device according to an embodiment of the utility model;

[0025] Figure 4 This is a circuit schematic diagram of the sensing circuit of the power cabinet monitoring equipment according to an embodiment of the utility model.

[0026] Reference numerals:

[0027] Control module 100, power module 200, alarm module 300, alarm sound output unit 310, speaker 311, information acquisition module 400, environmental parameter acquisition unit 410, electrical parameter acquisition unit 420, signal output module 500, display module 600, DI interface 610, DO interface 620, signal processing module 700, signal processing unit 710, photoelectric isolation processing unit 720, human body proximity processing unit 730, and partial discharge processing unit 740. DETAILED DESCRIPTION

[0028] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0029] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] Reference Figure 1, this embodiment provides a power monitoring cabinet, including: a control module 100; a power module 200, the power module 200 is electrically connected to the control module 100; an alarm module 300, the alarm module 300 is electrically connected to the control module 100; an information acquisition module 400, the information acquisition module 400 is electrically connected to the control module 100; a signal output module 500, the signal output module 500 is electrically connected to the control module 100, and the signal output module 500 is also connected to a relay output interface; a display module 600, the display module 600 is electrically connected to the control module 100, and the display module is provided with a DI interface 610 and a DO interface 620. The display module 600 integrates the DI interface 610 and the DO interface 600, obtains the control signal of the power cabinet, and displays the internal information of the power cabinet according to the control signal, and responds to the alarm signal of the power cabinet through the alarm module 300 to alarm, so that the power cabinet does not need an external component, and the information collected by the information acquisition module 400 is integrated through the DI interface 610 and the DO interface 620 to achieve the function expansion of the power monitoring cabinet.

[0032] It is worth noting that by setting the DI interface 610 and the DO interface 620 on the display module 600 and connecting to the internal equipment of the power cabinet, the control signal of the power cabinet is obtained, wherein the control signal is uniformly provided by the model system of the distribution cabinet. Specifically, the signals that the DI interface 610 can receive or send include but are not limited to voltage signals, auxiliary signals, power cabinet parameters, and thresholds of power cabinet parameters. The control signals of the power cabinet include but are not limited to ABC three-phase temperature, input voltage, output voltage, and alarm information.

[0033] The alarm module 300 includes an alarm sound output unit 310, which is electrically connected to the control module 100. The alarm sound output unit 310 is provided with a speaker 311, which is electrically connected to the DO interface 620. The speaker 311 of the alarm sound output unit 310 is used to respond to the alarm signal generated by the power cabinet itself to alarm. Specifically, the power cabinet obtains the alarm signal from the auxiliary signal, the auxiliary signal is generated according to the standard of the power cabinet through the DO interface 620, the alarm signal of the power cabinet is obtained through the DO interface 620, and the alarm signal is sent to the alarm module 300, thereby realizing the fault detection and alarm function of the power cabinet.

[0034] The information acquisition module 400 includes an environmental parameter acquisition unit 410 and an electrical parameter acquisition unit 420. Both the environmental parameter acquisition unit 410 and the electrical parameter acquisition unit 420 are electrically connected to the control module 100. The environmental parameter acquisition unit 410 is also connected to a sensor, and the electrical parameter acquisition unit 420 is also connected to an electrical parameter sensor. Specifically, when the environmental parameter acquisition unit 410 is connected to a temperature sensor, the temperature change inside the power cabinet can be monitored in real time. When the collected temperature value exceeds a preset temperature range, the alarm sound output unit 310 of the alarm module 300 is triggered to avoid safety accidents such as equipment failure or fire caused by excessive temperature inside the power cabinet. When the environmental parameter acquisition unit 410 is connected to a humidity sensor, the humidity change inside the power cabinet can be monitored to prevent damage to electrical equipment caused by excessive humidity inside the power cabinet. The power parameter acquisition unit 420 is also connected to a power parameter sensor, wherein the power parameter sensor includes but is not limited to a power sensor, a voltage sensor and a power factor detection device. The power parameter acquisition unit 420 is connected to the power parameter sensor to collect information such as current parameters, voltage parameters and power factor in the power cabinet in real time to ensure the load condition, reliability and energy efficiency of the power cabinet, thereby ensuring the safe operation of the power cabinet.

[0035] The control module 100 is also connected to a signal processing module 700, which includes an input signal processing unit 710, a photoelectric isolation processing unit 720, a human body approach processing unit 730 and a partial discharge processing unit 740. The input signal processing unit 710 is electrically connected to the photoelectric isolation processing unit 720, the photoelectric isolation processing unit 720 is also connected to a switch interface, the partial discharge processing unit 730 is also connected to a partial discharge detection sensor device, and the human body approach processing unit 740 is electrically connected to the control module 100. Among them, the input signal processing unit 710 is used to process external IO output signals, the photoelectric isolation processing unit 720 is used to realize the photoelectric isolation of the input signal processing unit 710, and the human body approach processing unit 730 is used to detect whether there is a staff member approaching the power cabinet. When the staff member approaches, the screen of the display module 600 is highlighted. After the staff member is away for a period of time, the screen brightness of the display module 600 is reduced but not extinguished, so that the staff member can see the display of the screen from a distance, thereby judging whether the function of the power cabinet is normal; the partial discharge processing unit 740 is used to monitor and process the partial discharge signal in the power cabinet and judge the insulation performance of the power cabinet. The power cabinet information in the signal processing module 700 is collected through the control module 100, and is integrated on the screen of the display module 600 for display through the DI interface 610 and the DO interface 620. There is no need to add functional components to the power cabinet housing. In addition, the power cabinet housing of the present application is carved from aluminum and is not easily damaged.

[0036] The signal output module 700 is provided with an output circuit, and the output circuit includes a first chip U1, a first relay KA1, a first photocoupler IC1, a second photocoupler IC2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first transformer T1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, and a fifth diode D5. A first end of the first photocoupler IC1 is electrically connected to the power module 100, a second end of the first photocoupler IC2 is connected to one end of the first resistor R1, and the other end of the first resistor R1 is electrically connected to the first chip U1. A third end of the first photocoupler IC1, one end of the first capacitor C1, and one end of the second resistor R2 are all electrically connected to the power module 200. A fourth end of the first photocoupler IC1, the other end of the first capacitor C1, the other end of the second resistor R2, and an anode of the first diode D1 are all electrically connected to a first end of the first relay KA1, and a cathode of the first diode D1 and a cathode of the first relay The second end of the electrical appliance KA1 is electrically connected to the power module 200, the third end of the relay KA1 is electrically connected to the first end of the first transformer T1, the second end of the first transformer T1 is electrically connected to the first chip U1, the anode of the second diode D2 and the cathode of the third diode D3 are electrically connected to the third end of the first transformer T1, the cathode of the fourth diode D4 and the anode of the fifth diode D5 are electrically connected to the fourth end of the first transformer T1, the cathode of the second diode D2, the cathode of the fifth diode D5, one end of the third resistor R3 and one end of the second capacitor R2 are electrically connected to the first end of the second photocoupler IC2, the anode D3 of the third diode, the anode of the fourth diode D4, the other end of the third resistor R3 and the other end of the second capacitor C2 are electrically connected to the second end of the second photocoupler IC2, the third end of the second photocoupler IC2 and one end of the third capacitor C3 are grounded, the fourth end of the second photocoupler IC2 and the other end of the third capacitor C3 are electrically connected to one end of the fourth resistor R4, and the other end of the fourth resistor R4 is electrically connected to the power module 100. The signal output module 500 forms an output circuit network through the output circuit, so that the output circuits can output signals independently and share the load together. The output circuit is connected to the first chip of the control module 100, so that the control module 100 can withstand a higher load. In addition, the output circuit ensures electrical isolation between the output end and the input end of the output circuit through the joint action of the first photocoupler IC1 and the second photocoupler IC2, preventing the influence of electrical interference, high voltage or high current signals at the input end on the output end, and further improving the safety of the power cabinet monitoring equipment.

[0037] The human body approach processing unit 730 is also connected to an infrared emitting device, an infrared receiving device and a sensing circuit. The sensing circuit is electrically connected to the infrared emitting device and the infrared receiving device respectively. The sensing circuit includes a fifth resistor R5, a sixth resistor R6, a first photodiode VD1 and a first transistor Q1. The fifth resistor R5 is electrically connected to the anode of the first photodiode VD1, the cathode of the first photodiode VD1 is electrically connected to the collector of the first transistor Q3, the base of the first transistor Q3 is electrically connected to one end of the sixth resistor R6, the emitter of the first transistor Q3 is grounded, and the other end of the sixth resistor R6 is electrically connected to the control module 100. This embodiment is connected to the infrared transmitting device and the infrared receiving device respectively through the sensing circuit, so as to monitor whether there are workers approaching the power cabinet. When there are workers approaching the power cabinet, the light signal received by the first photodiode in the sensing circuit is blocked by the human body and sends an electrical signal to the first transistor. After the first transistor receives the electrical signal, the infrared transmitting device transmits a signal to the infrared receiving device. After the infrared receiving device receives the electrical signal, it controls the input current of the display module screen to make the display module screen highlight.

[0038] In addition, an embodiment of the present application further provides a power cabinet, which includes the power cabinet monitoring device described in any of the above embodiments.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "further embodiments", "some specific embodiments" or "some examples" etc. means that the specific features, structures or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A power cabinet monitoring device, It is characterized in that include: Control module; a power module, the power module being electrically connected to the control module; an alarm module, the alarm module being electrically connected to the control module; An information acquisition module, the information acquisition module is electrically connected to the control module; A signal output module, the signal output module is electrically connected to the control module, and the signal output module is also connected to a relay output interface; A display module is electrically connected to the control module, and the display module is provided with a DI interface and a DO interface.

2. The power cabinet monitoring device according to claim 1, It is characterized in that The alarm module comprises an alarm sound output unit, the alarm sound output unit is electrically connected to the control module, and the alarm sound output unit is provided with a speaker.

3. The power cabinet monitoring device according to claim 1, It is characterized in that The information acquisition module includes an environmental parameter acquisition unit and an electrical parameter acquisition unit, both of which are electrically connected to the control module. The environmental parameter acquisition unit is also connected to a sensor, and the electrical parameter acquisition unit is also connected to an electric power parameter sensor.

4. The power cabinet monitoring device according to claim 1, It is characterized in that The control module is also connected to a signal processing module, which includes an input signal processing unit, a photoelectric isolation processing unit, a human body approach processing unit and a partial discharge processing unit. The input signal processing unit is electrically connected to the photoelectric isolation processing unit, the photoelectric isolation processing unit is also connected to a switch interface, the partial discharge processing unit is also connected to a partial discharge monitoring sensor device, and the human body approach processing unit is electrically connected to the control module.

5. The power cabinet monitoring device according to claim 1, It is characterized in that The signal output module is provided with an output circuit, and the output circuit includes a first chip, a first relay, a first photoelectric coupler, a second photoelectric coupler, a first resistor, a second resistor, a third resistor, a fourth resistor, a first transformer, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode, a third diode, a fourth diode, and a fifth diode. The first end of the first photoelectric coupler is electrically connected to the power module, the second end of the first photoelectric coupler is connected to one end of the first resistor, the other end of the first resistor is electrically connected to the first chip, the third end of the first photoelectric coupler, one end of the first capacitor, and one end of the second resistor are all electrically connected to the power module, the fourth end of the first photoelectric coupler, the other end of the first capacitor, the other end of the second resistor, and the anode of the first diode are all electrically connected to the first end of the first relay, and the cathode of the first diode and the second end of the first relay are all electrically connected to the power module. The third end of the relay is electrically connected to the first end of the first transformer, the second end of the first transformer is electrically connected to the first chip, the anode of the second diode and the cathode of the third diode are electrically connected to the third end of the first transformer, the cathode of the fourth diode and the anode of the fifth diode are both electrically connected to the fourth end of the first transformer, the cathode of the second diode, the cathode of the fifth diode, one end of the third resistor and one end of the second capacitor are all electrically connected to the first end of the second photoelectric coupler, the anode of the third diode, the anode of the fourth diode, the other end of the third resistor and the other end of the second capacitor are all electrically connected to the second end of the second photoelectric coupler, the third end of the second photoelectric coupler and one end of the third capacitor are both grounded, the fourth end of the second photoelectric coupler and the other end of the third capacitor are both electrically connected to one end of the fourth resistor, and the other end of the fourth resistor is electrically connected to the power module.

6. The power cabinet monitoring device according to claim 4, It is characterized in that The human body approach processing unit is also connected to an infrared transmitting device, an infrared receiving device and a sensing circuit, and the sensing circuit includes a fifth resistor, a sixth resistor, a first photodiode and a first transistor, the fifth resistor is electrically connected to the anode of the first photodiode, the cathode of the first photodiode is electrically connected to the collector of the first transistor, the base of the first transistor is electrically connected to one end of the sixth resistor, the emitter of the first transistor is grounded, and the other end of the sixth resistor is electrically connected to the control module.

7. The power cabinet monitoring device according to claim 1, It is characterized in that The control module is also connected to a clock module and a storage device.

8. A power cabinet, It is characterized in that include: A power cabinet monitoring device as claimed in any one of claims 1 to 7.

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