A direct current power distribution module and a direct current power distribution system

Abstract

This utility model discloses a DC power distribution module and a DC power distribution system. The DC power distribution module includes: a power input unit, a power distribution unit, a current detection unit, and a protection unit; the power input unit is connected to at least one DC power supply and receives input from one DC power supply; the power distribution unit is connected to the power input unit and distributes one DC power supply into eight independent outputs; the current detection unit is connected to the eight outputs and monitors the current value of each of the eight outputs in real time to ensure that it operates within a preset safety range; the protection unit is connected to the eight outputs and is used to cut off the power output of one of the eight outputs when an overload or short circuit fault is detected. This utility model distributes one DC power input into multiple outputs and performs real-time current monitoring on the multiple outputs, providing overload and short circuit protection functions.

Description

Technical Field

[0001] This utility model relates to the field of power management technology, and in particular to a DC power distribution module and a DC power distribution system. Background Technology

[0002] In industrial automation, communication equipment, and other applications requiring multiple DC power supplies, a single power input typically needs to be distributed into multiple outputs to meet the power demands of multiple loads. However, existing power distribution devices often lack real-time current monitoring and protection for each output channel, resulting in an inability to respond promptly to overload or short-circuit faults, potentially leading to equipment damage or system downtime. Furthermore, the lack of effective communication interfaces makes remote monitoring and management difficult. Utility Model Content

[0003] This utility model provides a DC power distribution module and a DC power distribution system that distributes one DC power input into multiple outputs, performs real-time current monitoring on each output channel, and has overload and short-circuit protection functions to respond promptly and avoid equipment damage or system shutdown.

[0004] According to one aspect of the present invention, a DC power distribution module is provided, comprising: a power input unit, a power distribution unit, a current detection unit, and a protection unit.

[0005] The power input unit is connected to at least one DC power supply, and the power input unit is used to receive input from the one DC power supply.

[0006] The power distribution unit is connected to the power input unit, and the power distribution unit is used to distribute the one DC power supply into eight independent outputs.

[0007] The current detection unit is connected to the eight outputs and is used to monitor the current value of each of the eight outputs in real time to ensure that it operates within a preset safety range.

[0008] The protection unit is connected to the eight outputs. When the protection unit detects an overload or short circuit fault in one of the eight outputs, it cuts off the power output of that output.

[0009] Optionally, the DC power distribution module may further include: a communication unit;

[0010] The communication unit is connected to the current detection unit and the protection unit, and the communication unit is also connected to the host computer. The communication unit is used to transmit the current value of each of the eight outputs detected by the current detection unit to the host computer, and the fault information of a certain output of the eight outputs detected by the protection unit.

[0011] Optionally, the communication between the communication unit and the host computer adopts a serial communication protocol.

[0012] Optionally, the current detection unit includes: a Hall sensor;

[0013] The Hall sensor is used to monitor the current value of each of the eight outputs in real time.

[0014] Optionally, the protection unit includes: a fuse or an electronic switch circuit;

[0015] The fuse or the electronic switching circuit is used to provide overload and short-circuit protection.

[0016] Optionally, the communication unit includes: an RS485 interface;

[0017] The RS485 interface communicates with the host computer to enable remote monitoring and management.

[0018] Optionally, the voltage of the DC power supply is 24V.

[0019] Optionally, the DC power distribution module may also include: a microcontroller;

[0020] The microcontroller is connected to the Hall sensor, and the microcontroller is used to perform analog-to-digital conversion processing on the current signal collected by the Hall sensor and upload it to the host computer through the communication unit.

[0021] According to another aspect of the present invention, a DC power distribution system is provided, the DC power distribution system comprising: a DC power distribution module as described in any one of the preceding aspects.

[0022] Optionally, the DC power distribution system further includes a host computer, which is communicatively connected to the communication unit.

[0023] The technical solution of this utility model embodiment provides a power distribution module for distributing a single DC power input into multiple outputs, and featuring current detection, overload protection, and short-circuit protection functions. The power distribution unit distributes a single DC power input into multiple outputs, and the current detection unit monitors the current of each output channel in real time to ensure it operates within a preset safety range. The protection unit provides overload and short-circuit protection functions; when an overload or short circuit is detected in a certain output, the power output of that output can be quickly cut off to prevent the fault from escalating, providing a timely response and avoiding equipment damage or system shutdown. In summary, this utility model solves the problem that existing power distribution devices typically lack real-time current monitoring and protection functions for each output channel, resulting in an inability to respond promptly to overload or short-circuit faults, potentially leading to equipment damage or system shutdown.

[0024] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of this utility model, nor is it intended to limit the scope of this utility model. Other features of this utility model will become readily apparent from the following description. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the structure of a DC power distribution module according to an embodiment of the present utility model;

[0027] Figure 2 This is a circuit diagram of a DC power distribution module provided according to an embodiment of the present utility model;

[0028] Figure 3 This is a schematic diagram showing the connection between a DC power distribution module and a host computer and load device according to an embodiment of the present utility model. Detailed Implementation

[0029] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0030] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0031] Figure 1 This is a schematic diagram of a DC power distribution module according to an embodiment of the present invention, with reference to... Figure 1 This utility model provides a DC power distribution module, which includes: a power input unit 10, a power distribution unit 20, a current detection unit 30, and a protection unit 40. The power input unit 10 is connected to at least one DC power supply and is used to receive input from one DC power supply. The power distribution unit 20 is connected to the power input unit 10 and is used to distribute one DC power supply into eight independent outputs. The current detection unit 30 is connected to the eight outputs and is used to monitor the current value of each of the eight outputs in real time to ensure that it operates within a preset safety range. The protection unit 40 is connected to the eight outputs and is used to cut off the power output of one of the eight outputs when an overload or short circuit fault is detected in that output.

[0032] Specifically, optionally, the DC power supply voltage is 24V. The power input unit 10 receives one 24V DC power input. The power distribution unit 20 distributes the input 24V DC power into eight independent outputs, each with independent control and protection functions. The current detection unit 30 monitors the current value of each output in real time to ensure it operates within a preset safety range. The protection unit 40 provides overload and short-circuit protection functions; when an overload or short circuit is detected in one output, it can quickly cut off the power output of that channel to prevent the fault from escalating, respond promptly, and avoid equipment damage or system shutdown.

[0033] Figure 2 This is a circuit schematic diagram of a DC power distribution module according to an embodiment of the present invention, such as... Figure 2As shown, the DC power distribution module includes a power input unit, eight power output terminals, a current detection unit, and a protection unit. The power input terminal receives 24V DC power, which is divided into eight outputs by the power distribution circuit. Each output passes through a current detection circuit and a protection circuit to monitor the output current in real time and disconnect the corresponding channel in the event of overload or short circuit.

[0034] By integrating the above functions, the DC power distribution module achieves efficient distribution and safe management of 24V DC power, and is suitable for application scenarios that require multiple power outputs and have high requirements for safety and real-time monitoring.

[0035] Compared with existing technologies, this utility model has the following advantages: Real-time monitoring: It can monitor the current of each output channel in real time, detect abnormalities in a timely manner, and improve the safety of the system. Rapid protection: When an overload or short circuit is detected, it can quickly disconnect the faulty channel to prevent the fault from spreading and protect the safety of the equipment and system. High integration: It integrates power distribution, current detection, protection, and communication functions into one unit, simplifying system design, reducing costs, and improving reliability.

[0036] The technical solution of this utility model embodiment provides a power distribution module for distributing a single DC power input into multiple outputs, and featuring current detection, overload protection, and short-circuit protection functions. The power distribution unit distributes a single DC power input into multiple outputs, and the current detection unit monitors the current of each output channel in real time to ensure it operates within a preset safety range. The protection unit provides overload and short-circuit protection functions; when an overload or short circuit is detected in a certain output, the power output of that output can be quickly cut off to prevent the fault from escalating, providing a timely response and avoiding equipment damage or system shutdown. In summary, this utility model solves the problem that existing power distribution devices typically lack real-time current monitoring and protection functions for each output channel, resulting in an inability to respond promptly to overload or short-circuit faults, potentially leading to equipment damage or system shutdown.

[0037] Continue to refer to Figure 1 and Figure 2 Optionally, the DC power distribution module further includes: a communication unit 50;

[0038] The communication unit 50 is connected to the current detection unit 30 and the protection unit 40. The communication unit 50 is also connected to the host computer. The communication unit 50 is used to transmit the current value of each of the eight outputs monitored by the current detection unit 30 to the host computer when the protection unit 40 detects a fault information of one of the eight outputs.

[0039] Continue to refer to Figure 1 and Figure 2 Optionally, the communication between the communication unit 50 and the host computer adopts a serial communication protocol.

[0040] Specifically, the communication unit 50 is connected to the host computer and uses a standard communication protocol (such as Modbus-RTU) to transmit the current data and fault information of each output channel to the monitoring system in the host computer, so as to realize remote monitoring and management.

[0041] Continue to refer to Figure 1 and Figure 2 Optionally, the communication unit 50 includes: an RS485 interface;

[0042] The RS485 interface communicates with the host computer to enable remote monitoring and management.

[0043] Specifically, the communication unit 50 uses an isolated RS485 interface to ensure data transmission stability and anti-interference capability. It communicates with the host computer via the RS485 interface to achieve remote monitoring and management, facilitating real-time monitoring of the DC power distribution module by the user.

[0044] Optionally, the protection unit includes: a fuse or an electronic switching circuit;

[0045] Fuse or electronic switching circuits are used to provide overload and short-circuit protection.

[0046] Specifically, the protection unit can be designed as a fast-acting fuse or electronic switch circuit to ensure that it responds to faults within milliseconds, providing timely response and avoiding equipment damage or system downtime.

[0047] Optionally, the current detection unit includes: a Hall sensor;

[0048] Hall effect sensors are used to monitor the current value of each of the eight output channels in real time.

[0049] Optionally, the DC power distribution module may also include: a microcontroller;

[0050] The microcontroller is connected to the Hall sensor. The microcontroller performs analog-to-digital conversion on the current signal collected by the Hall sensor and uploads it to the host computer through the communication unit.

[0051] Specifically, the current detection unit can use a high-precision Hall sensor. The signal is converted by an ADC and then processed by a microcontroller. The detection data is transmitted to the host computer through an RS485 interface to achieve remote monitoring.

[0052] An embodiment of this utility model also provides a DC power distribution system, which includes the DC power distribution module in any embodiment of this utility model.

[0053] Since the DC power distribution system includes the DC power distribution module provided in any embodiment of this utility model, the beneficial effects of the DC power distribution system and the DC power distribution module are the same, and will not be repeated here.

[0054] Figure 3 This is a schematic diagram illustrating the connection between a DC power distribution module, a host computer, and a load device according to an embodiment of this utility model. (Refer to...) Figure 3 Optionally, the DC power distribution system also includes a host computer, which is connected to the communication unit.

[0055] Specifically, Figure 3 The example illustrates the connection method between the DC power distribution module and the host computer and load devices. It communicates with the host computer through the RS485 interface to realize remote monitoring and management, which facilitates real-time monitoring of the DC power distribution module by users.

[0056] The specific embodiments described above do not constitute a limitation on the scope of protection of this utility model. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A DC power distribution module, characterized in that, include: Power input unit, power distribution unit, current detection unit, and protection unit; The power input unit is connected to at least one DC power supply, and the power input unit is used to receive input from the one DC power supply. The power distribution unit is connected to the power input unit, and the power distribution unit is used to distribute the one DC power supply into eight independent outputs. The current detection unit is connected to the eight outputs and is used to monitor the current value of each of the eight outputs in real time to ensure that it operates within a preset safety range. The protection unit is connected to the eight outputs. When the protection unit detects an overload or short circuit fault in one of the eight outputs, it cuts off the power output of that output.

2. The DC power distribution module according to claim 1, characterized in that, Also includes: Communication unit; The communication unit is connected to the current detection unit and the protection unit, and the communication unit is also connected to the host computer. The communication unit is used to transmit the current value of each of the eight outputs detected by the current detection unit to the host computer, and the fault information of a certain output of the eight outputs detected by the protection unit.

3. The DC power distribution module according to claim 2, characterized in that, The communication between the communication unit and the host computer adopts a serial communication protocol.

4. The DC power distribution module according to claim 2, characterized in that, The current detection unit includes: a Hall sensor; The Hall sensor is used to monitor the current value of each of the eight outputs in real time.

5. The DC power distribution module according to claim 1, characterized in that, The protection unit includes: a fuse or an electronic switch circuit; The fuse or the electronic switching circuit is used to provide overload and short-circuit protection.

6. The DC power distribution module according to claim 2, characterized in that, The communication unit includes: an RS485 interface; The RS485 interface communicates with the host computer to enable remote monitoring and management.

7. The DC power distribution module according to claim 1, characterized in that, The voltage of the DC power supply is 24V.

8. The DC power distribution module according to claim 4, characterized in that, Also includes: microcontroller; The microcontroller is connected to the Hall sensor, and the microcontroller is used to perform analog-to-digital conversion processing on the current signal collected by the Hall sensor and upload it to the host computer through the communication unit.

9. A DC power distribution system, characterized in that, The DC power distribution system includes: a DC power distribution module as described in any one of claims 1-8.

10. The DC power distribution system according to claim 9, characterized in that, Also includes: A host computer is connected to the communication unit.

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