CN219611583U - Power management system - Google Patents
Power management system Download PDFInfo
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- CN219611583U CN219611583U CN202223001069.5U CN202223001069U CN219611583U CN 219611583 U CN219611583 U CN 219611583U CN 202223001069 U CN202223001069 U CN 202223001069U CN 219611583 U CN219611583 U CN 219611583U
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Abstract
The utility model discloses a power management system, which is characterized by comprising: the system comprises a plurality of power boxes connected in parallel, wherein each power box comprises a plurality of intrinsically safe power components connected in parallel, and the intrinsically safe power components are used for acquiring operation data of the corresponding intrinsically safe power components; each intrinsic safety power supply component comprises a micro-control unit and a data analysis unit, wherein the micro-control unit is used for sending the operation data to the data analysis unit through a carrier communication circuit. The power management system provided by the utility model can digitize and monitor the operation data of the intrinsic safety power supply component, can analyze and process the operation data, can generate fault early warning when the intrinsic safety power supply component fails, and improves the intelligent degree and safety of the power management system, thereby improving the stability and safety of the electrohydraulic control system.
Description
Technical Field
The present utility model relates to the field of power management technologies, and in particular, to a power management system.
Background
Along with the large-force propulsion of intelligent construction of coal mines, automatic control of hydraulic supports of fully mechanized mining face is normalized, and for control of a follow-up machine (coal mining machine) which requires accuracy, requirements on explosion-proof and intrinsic safety power supplies for power supply in an electrohydraulic control system are higher and higher, and the power supplies directly influence stability and safety of the electrohydraulic control system.
However, in the related art, a power management system with high safety and high intelligentization degree does not exist yet, so how to improve the safety and the intelligentization degree of the power management system has become a problem to be solved.
In view of this, the present utility model has been made.
Disclosure of Invention
The present utility model aims to solve one of the technical problems in the related art at least to some extent.
Therefore, a first object of the present utility model is to provide a power management system for solving the technical problems of low intelligentization and low safety of the power management system in the prior art.
To achieve the above object, an embodiment of a first aspect of the present utility model provides a power management system, including: the system comprises a plurality of power boxes connected in parallel, wherein each power box comprises a plurality of intrinsically safe power components connected in parallel, and the intrinsically safe power components are used for acquiring operation data of the corresponding intrinsically safe power components; each intrinsic safety power supply component comprises a micro-control unit and a data analysis unit, wherein the micro-control unit is used for sending the operation data to the data analysis unit through a carrier communication circuit.
According to one embodiment of the utility model, the power management system is further configured to: acquiring operation parameters of a load connected with the intrinsic safety power supply assembly; and adjusting the operation data of the intrinsic safety power supply component according to the operation parameters.
According to one embodiment of the utility model, the power management system is further configured to: acquiring historical operation parameters of the load; and acquiring an adjustment strategy for the intrinsic safety power supply component according to the historical operation parameters.
According to one embodiment of the utility model, the operational data of the intrinsically safe power assembly includes at least one of: the current of the intrinsic safety power supply component, the voltage of the intrinsic safety power supply component, the power of the intrinsic safety power supply component and the temperature of the intrinsic safety power supply component.
According to an embodiment of the utility model, the data analysis unit is further configured to: acquiring a threshold value corresponding to each piece of operation data; and comparing each piece of operation data with the threshold value to obtain a comparison result of each piece of operation data with the threshold value.
According to one embodiment of the present utility model, the power management system further includes: and the monitoring terminal is used for receiving the comparison result through the detection circuit so as to generate fault early warning reminding aiming at any intrinsic safety power supply component.
According to one embodiment of the utility model, the power management system is further configured to: after any intrinsic safety power supply component is determined to have faults, the power supply box corresponding to the faulty intrinsic safety power supply component is subjected to turn-off operation.
The power management system provided by the embodiment of the utility model comprises: comprising the following steps: the power supply box comprises a plurality of intrinsically safe power supply components which are connected in parallel, the intrinsically safe power supply components are used for acquiring operation data of the corresponding intrinsically safe power supply components, each intrinsically safe power supply component comprises a micro-control unit and a data analysis unit, and the micro-control unit is used for sending the operation data to the data analysis unit through a carrier communication circuit. Therefore, the operation data of the intrinsic safety power supply assembly can be digitized and monitored, meanwhile, the operation data can be analyzed and processed, fault early warning can be generated when the intrinsic safety power supply assembly breaks down, the intelligent degree and the safety of the power supply management system are improved, and the stability and the safety of the electrohydraulic control system are improved.
Drawings
FIG. 1 is a schematic diagram of a power management system according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an intrinsic safety power module in a power management system according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of another power management system according to an embodiment of the present utility model;
in the figure:
1000-a power management system; 100-a power box; 200-monitoring terminals; 10-an intrinsic safety power supply assembly; 20-loading; 1-a micro control unit; 2-a data analysis unit; a 3-carrier communication circuit; 4-detecting circuit.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
A power management system according to an embodiment of the present utility model is described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a power management system according to an embodiment of the present disclosure.
As shown in fig. 1, the power management system 1000 according to the present embodiment includes: a plurality of power boxes 100 connected in parallel.
Alternatively, a plurality of parallel-connected power boxes 100 are connected in parallel on an ac line of 127V.
It should be noted that, for the electrohydraulic control system, the output of the electrohydraulic control system from the ac line connected in parallel with the 127V input is the flameproof and intrinsically safe power supply, and because the output power of each path of power supply is limited (12V/2A), a group of power supply boxes can be deployed every other several supports, 20 groups of power supply boxes can be deployed for one fully mechanized mining face (about 250 meters for example), the power supply boxes are connected in parallel with the ac line, and the ac power supply is from the comprehensive protector of the equipment roadway (for short, fully mechanized protection).
Wherein each power box 100 includes: the power supply system comprises a plurality of intrinsically safe power supply assemblies 10 connected in parallel, wherein the intrinsically safe power supply assemblies 10 are used for acquiring operation data of the corresponding intrinsically safe power supply assemblies 10.
It should be noted that the number of the intrinsic safety power supply assemblies 10 included in each power supply box 100 is not limited.
Alternatively, each power box 100 may include 2 intrinsically safe power assemblies 10; alternatively, each power box 100 may include 4 intrinsically safe power components.
Optionally, the operational data includes, but is not limited to, current of the intrinsically safe power supply assembly 10, voltage of the intrinsically safe power supply assembly 10, power of the intrinsically safe power supply assembly 10, and temperature of the intrinsically safe power supply assembly 10.
Further, the current of the intrinsic safety power supply assembly 10 may be divided into an input current and an output current, and the voltage of the intrinsic safety power supply assembly 10 may be divided into an input voltage and an output voltage.
Further, the intrinsically safe power assembly 10 may provide power to a load 20.
As shown in fig. 2, each of the intrinsic safety power supply assemblies 10 includes a micro control unit 1 and a data analysis unit 2, and the micro control unit 1 is configured to transmit operation data to the data analysis unit 2 through a carrier communication circuit 3.
Alternatively, each intrinsic safety power supply assembly 10 has an input of 40-256V alternating Current (Alternating Current, AC) voltage and an output of 12V/2A of intrinsic safety Direct Current (Direct Current).
The micro control unit (Microcontroller Unit, abbreviated as MCU), also called monolithic microcomputer (Single Chip Microcomputer) or singlechip, is to properly reduce the frequency and specification of the central processing unit (Central Process Unit, abbreviated as CPU), and integrate the peripheral interfaces such as memory, counter (Timer), universal serial bus (Universal Serial Bus, abbreviated as USB), analog-to-digital conversion, universal asynchronous Transmitter/transceiver (Universal Asynchronous Receiver/UART), programmable logic controller (Programmable Logic Controller, abbreviated as PLC), direct memory access (Direct Memory Access, abbreviated as DMA) and even the liquid crystal display (Liquid Crystal Display, abbreviated as LCD) dynamic circuits on a single chip to form a chip-level computer for different application occasions to perform different combination control.
The carrier communication circuit 3 can transmit analog or digital signals at high speed by a carrier system using an existing power line.
Alternatively, the data may be transmitted via a power carrier RS485 signal.
Further, after the micro control unit 1 transmits the operation data to the data analysis unit 2 through the carrier communication circuit 3, the data analysis unit 2 can perform intelligent analysis on the real-time operation data, for example: judging whether the current of the intrinsic safety power supply assembly 10 is in a safety range or not; for example: it is determined whether the voltage of the intrinsic safety power supply assembly 10 is within a safe range.
Further, after the real-time operation data is intelligently analyzed, when the operation data of the intrinsic safety power supply assembly 10 is not in a safe range, the corresponding power supply box can be turned off, so that maintenance personnel can conveniently maintain the power supply box.
It should be noted that, in the related art, in the fully-mechanized mining face, a plurality of intrinsic safety power supplies are connected in parallel, and the total current and total power of the plurality of intrinsic safety power supplies can only be detected in the comprehensive protector, and the intrinsic safety power supplies in the remote power supply box do not detect voltage, current, temperature and the like, so that when a fault occurs, the source of the fault cannot be determined in time.
Therefore, the power management system provided by the utility model can digitize and monitor the operation data of the intrinsic safety power supply component, can analyze and process the operation data, can generate fault early warning when the intrinsic safety power supply component fails, and improves the intelligent degree and safety of the power management system, thereby improving the stability and safety of the electrohydraulic control system.
Further, the power management system 1000 is further configured to: the operation parameters of the load 20 connected to the intrinsic safety power supply assembly 10 are acquired, and the operation data of the intrinsic safety power supply assembly 10 are adjusted according to the operation parameters.
Alternatively, the load 20 may be a controller, sensor, electromagnetic drive, electromagnetic pilot valve, or the like for a fully mechanized face.
It should be noted that, because the power load of the load is dynamically changed, the operation parameters of the load 20 may be obtained, and the load condition of the load 20 may be obtained according to the operation parameters, so as to adjust the operation data of the intrinsic safety power supply assembly 10.
Further, the power management system 1000 is further configured to: the historical operating parameters of the load 20 are obtained, and the adjustment strategy for the intrinsically safe power assembly 10 is obtained according to the historical operating parameters.
It should be noted that, to improve the degree of intelligence of the power management system, the historical operating parameters of the load 20 may be obtained and analyzed to obtain the adjustment policy of the intrinsic safety power assembly 10.
For example: the adjustment strategy may be to increase or decrease the amount of power supplied to the load at a fixed time.
Therefore, the power management system provided by the utility model can monitor the operation parameters of the load, can acquire the response condition of the load, can dynamically adjust the operation data of the intrinsic safety power supply component, can comprehensively analyze the historical operation parameters of the load, improves the intelligent degree and the management efficiency of the power management system, and ensures the safety and the stability of the power management system.
Further, the data analysis unit 2 is further configured to: and obtaining a threshold value corresponding to each piece of operation data, and comparing each piece of operation data with the threshold value to obtain a comparison result of each piece of operation data and the threshold value.
It should be noted that, the setting of the threshold corresponding to the operation data is not limited in the present disclosure, and may be set according to actual situations.
Further, after the threshold is obtained, the operation data may be compared with the threshold to obtain a comparison result of each operation data with the threshold.
In some embodiments, as shown in fig. 3, the power management system 1000 further comprises: and monitoring the terminal 200.
The monitoring terminal is used for receiving the comparison result through the detection circuit 4 to generate fault early warning reminding aiming at any intrinsic safety power supply assembly 10.
Further, after receiving the comparison result, the detection circuit 4 may extract the data of the carrier wave on the power line, so as to determine whether the operation data of the intrinsic safety power supply assembly 10 is within a safe range, and when the operation data of the intrinsic safety power supply assembly 10 is within the safe range, it is indicated that the intrinsic safety power supply assembly 10 has no fault, i.e. operates normally; when the operation data of the intrinsic safety power supply assembly 10 is not in the safety range, the intrinsic safety power supply assembly 10 is indicated to be in fault, and then a fault early warning prompt of the intrinsic safety power supply assembly 10 is generated.
Further, after generating the fault warning alert, the relevant staff can know that the intrinsic safety power supply assembly 10 is faulty for the first time.
Further, the power management system 100 is further configured to: after determining that any one of the intrinsic safety power supply assemblies 10 fails, the power box 100 corresponding to the failed intrinsic safety power supply assembly 10 is turned off.
It should be noted that, after the power box 100 corresponding to the failed intrinsic safety power supply assembly 10 performs the shutdown operation, the normal operation of the whole power management system is not affected, and the operation risk of the power management system is greatly reduced.
Further, each intrinsic safety power supply assembly 10 independently judges whether a fault occurs, and the power supply of the power supply box 100 corresponding to the intrinsic safety power supply assembly 10 can be remotely cut off through the monitoring terminal 200, so that maintenance safety is ensured, and meanwhile, the integral power failure is not needed.
Therefore, the power management system provided by the utility model can compare the operation data with the threshold value to determine whether the intrinsic safety power supply component fails, and can remotely cut off the power supply of the failed intrinsic safety power supply component and the corresponding power box after determining that the intrinsic safety power supply component fails, so that the maintenance safety can be ensured, and meanwhile, the whole power management system does not need to be powered off, so that the failure and replacement of any intrinsic safety power supply component do not influence the integral normal operation of the power management system, and the reliability and safety of the power management system are improved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (6)
1. A power management system, comprising: a plurality of power boxes connected in parallel, wherein,
each power box comprises a plurality of intrinsically safe power components connected in parallel, and the intrinsically safe power components are used for acquiring operation data of the corresponding intrinsically safe power components;
each intrinsic safety power supply component comprises a micro-control unit and a data analysis unit, wherein the micro-control unit is used for sending the operation data to the data analysis unit through a carrier communication circuit,
the data analysis unit is used for:
acquiring a threshold value corresponding to each piece of operation data;
comparing each piece of operation data with the threshold value to obtain a comparison result of each piece of operation data with the threshold value;
the micro control unit is a single-chip microcomputer or a single-chip microcomputer.
2. The power management system of claim 1, wherein the power management system is further configured to:
acquiring operation parameters of a load connected with the intrinsic safety power supply assembly;
and adjusting the operation data of the intrinsic safety power supply component according to the operation parameters.
3. The power management system of claim 2, wherein the power management system is further configured to:
acquiring historical operation parameters of the load;
and acquiring an adjustment strategy for the intrinsic safety power supply component according to the historical operation parameters.
4. The power management system of claim 1, wherein the operational data of the intrinsically safe power component includes at least one of: the current of the intrinsic safety power supply component, the voltage of the intrinsic safety power supply component, the power of the intrinsic safety power supply component and the temperature of the intrinsic safety power supply component.
5. The power management system of any of claims 1-4, wherein the power management system further comprises:
and the monitoring terminal is used for receiving the comparison result through the detection circuit so as to generate fault early warning reminding aiming at any intrinsic safety power supply component.
6. The power management system of claim 5, wherein the power management system is further configured to:
after any intrinsic safety power supply component is determined to have faults, the power supply box corresponding to the faulty intrinsic safety power supply component is subjected to turn-off operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001069.5U CN219611583U (en) | 2022-11-10 | 2022-11-10 | Power management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001069.5U CN219611583U (en) | 2022-11-10 | 2022-11-10 | Power management system |
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| Publication Number | Publication Date |
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| CN219611583U true CN219611583U (en) | 2023-08-29 |
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| CN202223001069.5U Active CN219611583U (en) | 2022-11-10 | 2022-11-10 | Power management system |
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