CN215990301U - Intelligent power supply management system of switch power supply cabinet - Google Patents
Intelligent power supply management system of switch power supply cabinet Download PDFInfo
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- CN215990301U CN215990301U CN202120349497.3U CN202120349497U CN215990301U CN 215990301 U CN215990301 U CN 215990301U CN 202120349497 U CN202120349497 U CN 202120349497U CN 215990301 U CN215990301 U CN 215990301U
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Abstract
The utility model relates to an intelligent power supply management system of a switch power cabinet, which comprises a micro-processing chip, a mains supply power failure detection unit, a 485 communication unit, an important and non-important load power failure control unit of the power cabinet and an important and non-important load power failure detection unit of the power cabinet, wherein the micro-processing chip is respectively connected with a real-time clock chip, the mains supply power failure detection unit, the communication unit, the important and non-important load power failure control unit of the power cabinet and the important and non-important load power failure detection unit of the power cabinet, and is also connected with a touch screen display unit. The utility model can effectively save the electricity charge for the operator without influencing the network requirements of the user, can better avoid the over discharge of the battery, effectively protect the battery, and stop the power supply of the battery if the commercial power is cut off in a fixed time.
Description
Technical Field
The utility model relates to the technical field of energy management of machine base stations, in particular to an intelligent power supply management system of a switch power supply cabinet.
Background
At present, the main function of a switch power supply cabinet is to convert alternating current sent by a power grid into stable low-voltage direct current, and the switch power supply cabinet and a storage battery pack form a full-floating charging power supply mode to be uninterruptedly used for loads needing stable direct current. When the commercial power is cut off, the power is automatically switched to be supplied by a battery, and the battery power supply time is generally about three hours according to the current general machine room configuration. After receiving the notice of the power failure of the commercial power, maintenance personnel can arrange to generate power on site. The battery supply only serves an emergency transition. However, for some special sites such as tourist attractions and office places, remote active power-off control cannot be performed even if no communication requirement exists. This causes a large electricity consumption loss, and also affects the battery life due to frequent charging and discharging of the battery.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide an intelligent power supply management system for a switch power supply cabinet, which can set time and realize the timing control of power supply of the switch power supply cabinet and a battery according to the time setting.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a switching power supply cabinet intelligence power supply management system, includes that microprocessor chip, commercial power have a power failure detecting element, 485 communication unit, the important and non-important load outage the control unit of power cabinet, the important and non-important load outage detecting element of power cabinet, microprocessor chip is connected with real-time clock chip, commercial power have a power failure detecting element, communication unit, the important and non-important load outage the control unit of power cabinet, the important and non-important load outage the detecting element of power cabinet respectively, microprocessor chip still is connected with touch-sensitive screen display element.
Specifically, the power-off control unit for the important and non-important loads of the power supply cabinet comprises an optical coupler, a thyristor, a current-limiting resistor and a voltage-dividing resistor, wherein one output end of the optical coupler is connected with one main electrode of the thyristor, the current-limiting resistor is connected in series between the main electrodes, the other output end of the optical coupler is connected with a gate pole of the thyristor, a starting button is connected to two output ends of the optical coupler in parallel, the starting button is arranged on a socket shell, one main electrode of the thyristor is connected with one input end of a commercial power, and the other main electrode is connected with one end of a load.
Specifically, commercial power outage detecting element includes power module, first comparison module, second comparison module, output module, power module, first comparison module, second comparison module, output module connect gradually in proper order.
Specifically, the power failure detection unit for the important and non-important loads of the power cabinet comprises a divider resistor, an isolation module and an output module, wherein the output module is connected with a micro-processing chip.
The utility model has the beneficial effects that: firstly, under the condition of not influencing the network requirements of users, the electricity charge can be effectively saved for operators, such as: according to the statistics of related data, most places such as park scenic spots, shopping malls, enterprises and public institutions and the like have no communication network requirement at night under normal conditions because of the characteristics of the places. Although a large number of base stations in the area normally operate at night, users are basically absent in the coverage area of the base stations, and therefore large power loss can be caused invisibly; at present, 5G is vigorously built, the loss of the electric energy is larger according to the electricity consumption measurement and calculation of 5G equipment, and if remote automatic power failure and recovery are realized on the premise that no user needs exist in the coverage range of 0-6 o' clock base stations at night aiming at the base stations, the electric energy loss can be effectively saved, and meanwhile, the network operation in normal time is not influenced;
secondly, the battery can be better avoided from being over-discharged, the battery is effectively protected, if the mains supply has a power failure within a fixed time, and the battery is stopped to supply power, the battery can be prevented from being over-discharged, the base station battery can be enabled to work for the maximum discharging time to the communication equipment outside the set time period, frequent charging and discharging of the battery are avoided, and the battery is effectively protected.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Fig. 3 is a schematic diagram of the commercial power failure detection unit of the present invention.
Fig. 4 is a schematic diagram of the power supply cabinet important and non-important load power-off detection unit of the utility model.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, an intelligent power supply management system for a switch power cabinet comprises a microprocessor chip, a mains power failure detection unit 2, a 485 communication unit, an important and non-important load power failure control unit 1 of the power cabinet, and an important and non-important load power failure detection unit 4 of the power cabinet, wherein the microprocessor chip is respectively connected with a real-time clock chip, the mains power failure detection unit 2, the 485 communication unit, the important and non-important load power failure control unit 1 of the power cabinet, and the important and non-important load power failure detection unit 4 of the power cabinet, and the microprocessor chip is also connected with a touch screen display unit.
Specifically, the power failure control unit 1 for important and non-important loads of the power cabinet comprises an optical coupler 1O1, a start button, a thyristor 102, a current limiting resistor R2 and a voltage dividing resistor R1, wherein one output end of the optical coupler 1O1 is connected with one main electrode of the thyristor 102, the current limiting resistor R2 is connected in series between the output ends, the other output end of the optical coupler 1O1 is connected with a gate of the thyristor 102, the start button is connected in parallel with two output ends of the optical coupler 1O1, the start button is arranged on a socket shell, one main electrode of the thyristor 102 is connected with one input end of commercial power, and the other main electrode is connected with one end of a load.
Specifically, the utility power outage detection unit 2 includes a power module, a first comparison module 201, a second comparison module 202, and an output module 203, where the power module, the first comparison module 201, the second comparison module 202, and the output module 203 are sequentially connected, the power module detects the utility power and performs step-down rectification, the first comparison module 201 is configured to compare an electrical signal output by the power module with a 0.5V reference voltage, the second comparison module 202 is configured to compare the electrical signal output by the first comparison module 201 with a 5V reference voltage and sets a power outage time for detection, and the output module 203 is configured to output a DC5V power outage detection signal and transmits the signal to the microprocessor chip;
the power supply module comprises a transformer T1 and a rectifier bridge VDB, commercial power is connected with a primary winding of the transformer T1, a secondary winding of the transformer T1 is connected with an alternating current input side of the rectifier bridge VDB, the negative electrode of the rectifier bridge VDB is grounded, and the rectifier bridge VDB is a UB151 type bridge rectifier element; the first comparison module comprises a plurality of resistors (R3, R9 and R10), a capacitor C3 and a comparator A1, the second comparison module comprises resistors R4-R7, capacitors C1-C2, a diode VD1 and a comparator A2, the comparator A1 and the comparator A2 adopt a collector open-circuit comparator LM311 which works by a 12V single power supply, and the output module comprises a resistor R8 and an output voltage U0 and is connected with the microprocessing chip MCU.
Specifically, the power failure detection unit 4 for important and non-important loads of the power supply cabinet includes a voltage dividing resistor 401, an isolation module 402, and an output module 403, as shown in fig. 4, two ends of the voltage dividing resistor are located at two sides of the load, and the output module 403 is connected to the MCU.
The working modes of the application are three types respectively: the working logics of the manual mode, the automatic mode and the following mode are as follows:
manual mode: the state of switching to the manual mode can be remotely controlled by connecting the machine room FSU with the 485 communication unit of the equipment or controlling the equipment by using the touch screen display unit;
automatic mode: in the automatic mode, a duty-free time period can be set, and if the communication base station has an alternating current power failure in the duty-free time period, the equipment can disconnect non-important loads according to the previous setting of a user, so that the battery can play the greatest role in the power failure time, and the data transmission of important equipment is ensured;
following mode: in the mode state, the device receives the control of the original switching power supply controller 3 and executes the control along with the command of the switching power supply.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the protection scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (4)
1. The utility model provides a switching power supply cabinet intelligence power supply management system which characterized in that: including micro-processing chip, commercial power outage detecting element, 485 communication unit, the important and non-important load outage the control unit of power cabinet, the important and non-important load outage detecting element of power cabinet, micro-processing chip is connected with real-time clock chip, commercial power outage detecting element, communication unit, the important and non-important load outage the control unit of power cabinet, the important and non-important load outage detecting element of power cabinet respectively, micro-processing chip still shows the unit with the touch-sensitive screen and is connected.
2. The intelligent power supply management system of the switch power supply cabinet according to claim 1, characterized in that: the power-off control unit for the important and non-important loads of the power cabinet comprises an optical coupler, a thyristor, a current-limiting resistor and a voltage-dividing resistor, wherein one output end of the optical coupler is connected with one main electrode of the thyristor, the current-limiting resistor is connected in series between the main electrodes, the other output end of the optical coupler is connected with a gate pole of the thyristor, a starting button is connected in parallel to two output ends of the optical coupler, the starting button is arranged on a socket shell, one main electrode of the thyristor is connected with one input end of commercial power, and the other main electrode is connected with one end of a load.
3. The intelligent power supply management system of the switch power supply cabinet according to claim 1, characterized in that: the commercial power failure detection unit comprises a power module, a first comparison module, a second comparison module and an output module, wherein the power module, the first comparison module, the second comparison module and the output module are sequentially connected.
4. The intelligent power supply management system of the switch power supply cabinet according to claim 1, characterized in that: the power failure detection unit for the important and non-important loads of the power cabinet comprises a divider resistor, an isolation module and an output module, wherein the output module is connected with a micro-processing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349497.3U CN215990301U (en) | 2021-02-06 | 2021-02-06 | Intelligent power supply management system of switch power supply cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349497.3U CN215990301U (en) | 2021-02-06 | 2021-02-06 | Intelligent power supply management system of switch power supply cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215990301U true CN215990301U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120349497.3U Active CN215990301U (en) | 2021-02-06 | 2021-02-06 | Intelligent power supply management system of switch power supply cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215990301U (en) |
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2021
- 2021-02-06 CN CN202120349497.3U patent/CN215990301U/en active Active
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