CN215580519U - 5G basic station emergency power supply device - Google Patents
5G basic station emergency power supply device Download PDFInfo
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- CN215580519U CN215580519U CN202122091792.6U CN202122091792U CN215580519U CN 215580519 U CN215580519 U CN 215580519U CN 202122091792 U CN202122091792 U CN 202122091792U CN 215580519 U CN215580519 U CN 215580519U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The utility model discloses an emergency power supply device for a 5G base station, which relates to the technical field of power supply control and comprises a mains supply detection module, a solar module, a DC-DC conversion module, a backup power supply module, a sampling module, a power supply switching module, a main control module and an emergency power supply module; the solar photovoltaic power supply comprises a mains supply detection module, a DC-DC conversion module, a solar module, a backup power module, a sampling signal, a power supply switching module and a main control module, wherein the mains supply detection module is used for detecting mains supply voltage, the DC-DC conversion module is used for DC-DC conversion, the solar module and the backup power module are used for providing electric energy, the sampling signal is used for detecting voltage, the power supply switching module is used for switching a power supply, and the main control module is used for receiving a processing signal and outputting a control signal. The emergency power supply device for the 5G base station has a mains supply detection function, adopts the backup power supply as the auxiliary emergency power supply to supply power after the mains supply is powered off, and supplies power through the main emergency power supply after the auxiliary emergency power supply is insufficient, so that the main emergency power supply is prevented from being damaged due to frequent power failure of the main emergency power supply caused by mains supply failure.
Description
Technical Field
The utility model relates to the technical field of power supply control, in particular to an emergency power supply device for a 5G base station.
Background
With the development of mobile communication technology, each major mainstream operator rapidly deploys a 5G mobile communication network, a large number of 5G base stations are installed in a hot spot area of a city, the 5G base stations are wide in range, the higher the frequency of 5G communication is, the greater the decay of electromagnetic waves is, the greater the layout density of the 5G base stations is than 4G, the base station distance is reduced from kilometer in the 4G era to hectometer, the number of the 5G base stations is increased by many times compared with the number of the 4G base stations, which causes how to ensure the power supply safety of the 5G base stations to be an important problem, the more the traffic carried by the 5G base stations has serious influence after the power supply is interrupted, on the market at present, most of the 5G base stations adopt an emergency standby power supply mode to prevent the occurrence of voltage interruption, but in places with poor quality power grids, a short-time power interruption phenomenon often occurs, which causes frequent discharge and power interruption of the emergency standby power supply, the emergency standby power supply is short in service life, the probability of failure of the emergency standby power supply is increased, and serious potential safety hazards of the emergency standby power supply are caused.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an emergency power supply device for a 5G base station, which aims to solve the problems in the background technology.
According to an embodiment of the present invention, an emergency power supply device for a 5G base station is provided, where the emergency power supply device for the 5G base station includes: the system comprises a mains supply detection module, a solar module, a DC-DC conversion module, a backup power module, a sampling module, a power supply switching module, a main control module and an emergency power supply module;
the commercial power detection module is used for detecting the discharge condition of commercial power and outputting a voltage signal;
the solar module is used for converting solar energy into electric energy;
the DC-DC conversion module is connected with the output end of the solar module and is used for receiving the electric energy output by the solar module and performing DC-DC conversion;
the backup power supply module is connected with the second end of the DC-DC conversion module and used for providing electric energy;
the sampling signal is used for detecting voltage signals output by the DC-DC conversion module and the backup power supply module;
the power supply switching module is connected with the second end of the backup power supply module and used for switching the backup power supply module and the emergency power supply module to work;
the main control module is used for receiving and processing voltage signals output by the commercial power detection module, the DC-DC conversion module and the backup power module and outputting control signals;
and the emergency power supply module is used for controlling an emergency power supply to supply power to the 5G base station.
Compared with the prior art, the utility model has the beneficial effects that: the emergency power supply device for the 5G base station has a function of detecting commercial power, knows the supply condition of the commercial power, adopts the backup power supply as the auxiliary emergency power supply to supply power after the commercial power is cut off, is simple to maintain, supplies power through the main emergency power supply after the electric quantity of the auxiliary emergency power supply is insufficient, avoids the damage of the main emergency power supply due to the frequent power failure of the main emergency power supply caused by the commercial power failure, and increases the reliability and the safety of the emergency power supply device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic block diagram of a 5G base station emergency power supply device according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a commercial power detection module according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a solar power module according to an embodiment of the present invention.
Fig. 4 is a circuit diagram of a power switching module according to an embodiment of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a 5G base station emergency power supply device, where the 5G base station emergency power supply device includes: the system comprises a mains supply detection module 1, a solar module 2, a DC-DC conversion module 3, a backup power supply module 4, a sampling module 5, a power supply switching module 6, a main control module 7 and an emergency power supply module 8;
specifically, the utility power detection module 1 is configured to detect a discharge condition of the utility power and output a voltage signal; the commercial power detection module 1 is connected with a first end of the main control module 7;
a solar module 2 for converting solar energy into electric energy; the solar module 2 is connected with a first end of the DC-DC conversion module 3;
the DC-DC conversion module 3 is used for receiving the electric energy output by the solar module 2 and performing DC-DC conversion; the second end of the DC-DC conversion module 3 is connected with the second end of the main control module 7;
a backup power module 4, a first end of the backup power module 4 being connected to a second end of the DC-DC conversion module 3 for providing electric energy;
the sampling module 5 is used for detecting voltage signals output by the DC-DC conversion module 3 and the backup power supply module 4; the sampling module 5 is connected with a third end of the main control module 7;
the first end of the power supply switching module 6 is connected with the second end of the backup power supply module 4 and is used for switching the backup power supply module 4 and the emergency power supply module 8 to work;
the main control module 7 is used for receiving and processing voltage signals output by the commercial power detection module 1, the DC-DC conversion module 3 and the backup power module 4 and outputting control signals; the fourth end of the main control module 7 is connected with the second end of the power supply switching module 6;
the emergency power supply module 8 is used for controlling an emergency power supply to supply power to the 5G base station; and the emergency power supply module 8 is connected with the third end of the power supply switching module 6.
In a specific embodiment, the utility power detection module 1 may adopt a three-phase six-pulse rectification circuit to cooperate with an isolation circuit to detect the condition of the utility power supply, or directly perform voltage sampling through a voltage transformer; the solar module 2 can adopt a solar photovoltaic panel J1 to convert solar energy into electric energy; the DC-DC conversion module 3 can adopt a switch tube to form a double BOOST circuit for DC-DC conversion, and can also adopt a special power supply charging chip for DC-DC conversion; the backup power module 4 can adopt a storage battery which is easy to replace; the sampling module 5 can detect the conversion voltage of the solar energy and the electric quantity of the backup power supply J2 in a resistance voltage division mode; the power supply switching module 6 can control the switching of the power supply by adopting a mode that a switching tube drives a relay K, wherein the switching tube is driven by the main control module 7 in an isolated mode; the main control module 7 may adopt a single chip or a Central Processing Unit (CPU) to receive the detected signal and control the conversion efficiency of the solar energy and the switching of the power supply; the emergency power supply module 8 supplies power to a general emergency power supply, which is not described herein.
Example 2: on the basis of embodiment 1, please refer to fig. 2, in a specific embodiment of the emergency power supply device for a 5G base station according to the present invention, the utility power detection module 1 includes a utility voltage AC, a first capacitor C1, a second capacitor C2, a third capacitor C3, a rectifier U3, a fourth capacitor C4, a first resistor R1, a voltage regulator VD1, a second resistor R2, a third resistor R3, a first coupler U2, a fourth resistor R4, a first power supply +3.3V, and a fifth resistor R5;
specifically, a first end, a second end and a third end of the mains voltage AC are respectively connected with an input end of a rectifier U3 through a first capacitor C1, a second capacitor C2 and a third capacitor C3 in sequence, an output end of the rectifier U3 is connected with a fourth capacitor C4 and is connected with a cathode of a first voltage stabilizer, a second resistor R2 and a third resistor R3 through a first resistor R1, the other end of the third resistor R3 is connected with a first end of a first coupler U2, the other end of the rectifier U3, the other end of the fourth capacitor C4, an anode of the first voltage stabilizer, the other end of a second resistor R2 and a second end of the first coupler U2, a third end of the first coupler U2 is connected with a fifth capacitor and a first end of a fifth resistor R5 and is connected with a first power supply +3.3V through a fourth resistor R4, and the fourth end of the first coupler U2 and the other end of the fifth capacitor are grounded.
In a specific embodiment, the utility power detection module 1 detects the condition of the utility power supply by using a three-phase six-pulse rectification circuit in cooperation with an isolation circuit, and the first capacitor C1, the second capacitor C2 and the third capacitor C3 can be filtered and stepped down by using a high-voltage filter capacitor; the first coupler U2 may be a TLP521 or a 6N137 photocoupler, where the TLP521 coupler is selected to implement isolated transmission of the voltage signal.
Example 3: on the basis of embodiment 1, please refer to fig. 3 and fig. 4, in a specific embodiment of the emergency power supply device for a 5G base station according to the present invention, the solar module 2 includes a solar photovoltaic panel J1; the DC-DC conversion module 3 comprises a sixth capacitor C6, a first switching tube M1, a first diode D1, a first inductor L1 and a seventh capacitor C7; the main control module 7 comprises a first controller U1;
specifically, the positive electrode of the solar photovoltaic panel J1 is connected to the sixth capacitor C6 and the source of the first switch tube M1, the drain of the first switch tube M1 is connected to the cathode of the first diode D1 and to the first end of the seventh capacitor C7 through the first inductor L1, the negative electrode of the solar photovoltaic panel J1 is connected to the other end of the sixth capacitor C6, the anode of the first diode D1 and the second end of the seventh capacitor C7, the gate of the first switch tube M1 is connected to the first driving end of the first controller U1, and the first end of the first controller U1 is connected to the second end of the fifth resistor R5.
Further, the DC-DC conversion module 3 further includes a second switching tube M2, a second diode D2 and a second inductor L2;
specifically, the source of the second switching tube M2 is connected to the anode of the solar photovoltaic panel J1, the drain of the second switching tube M2 is connected to the cathode of the second diode D2 and to the first end of the seventh capacitor C7 through the second inductor L2, the anode of the second diode D2 is connected to the cathode of the solar photovoltaic panel J1, and the gate of the second switching tube M2 is connected to the second driving end of the first controller U1.
Further, the sampling module 5 includes a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12 and a thirteenth resistor R13; the backup power supply module 4 comprises a backup power supply J2 and a third diode D3;
specifically, a first end of a tenth resistor R10 is connected to a first end of the seventh capacitor C7 and to the anode of the backup power supply J2 through the third diode D3, a second end of the tenth resistor R10 is connected to the third end of the first controller U1 and to the ground through an eleventh resistor R11, a twelfth resistor R12 is connected to the anode of the backup power supply J2, and a second end of the twelfth resistor R12 is connected to the fourth end of the first controller U1 and to the ground through a thirteenth resistor R13.
Further, the power switching module 6 includes a sixth resistor R6, a second coupler U4, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a fourth diode D4, a fifth diode D5, a sixth diode D6, a relay K, a third switching tube M3, and a second power supply + 5V;
specifically, the sixth resistor R6 is connected to the second end of the first controller U1, the other end of the sixth resistor R6 is connected to the first end of the second coupler U4, the second end of the second coupler U4 is grounded, the third end of the second coupler U4 is connected to the second power supply +5V, the cathode of the sixth diode D6 and the relay K through the seventh resistor R7, the fourth end of the second coupler U4 is connected to the eighth resistor R8, the cathode of the fourth diode D4 and the ninth resistor R9, the other end of the eighth resistor R8, the anode of the fourth diode D4 and the cathode of the fifth diode D5 are connected to the gate of the third switching tube M3, the drain of the third switching tube M3 is connected to the other end of the relay K and the anode of the sixth diode D6, and the source of the third switching tube M3, the anode of the fifth diode D5 and the other end of the ninth resistor R9 are grounded.
In a specific embodiment, the first switch M1, the second switch M2, and the third switch M3 may be N-channel enhancement MOSFETs (Metal-Oxide-Semiconductor Field-Effect transistors), the first switch M1 and the second switch M2 form a dual BOOST circuit in cooperation with peripheral components, and the third switch M3 drives the relay K to operate; the first controller U1 can select an STM32 series single chip microcomputer, and an MPPT control algorithm is built in, so that the conversion rate of solar energy is improved; the second coupler U4 may be a TLP521 or a 6N137 photocoupler, where a TLP521 coupler is used to implement isolated transmission of voltage signals; the relay K selects the power supply by controlling the relay K contact.
In the embodiment of the utility model, the mains supply voltage of the 5G base station is detected by the mains supply detection module 1, when the mains supply voltage AC is normal, the emergency power supply device does not supply power, and if the emergency power supply of the emergency power supply device is insufficient, the emergency power supply device is charged by the mains supply; when the mains voltage AC is powered off, in order to prevent short-term frequent power failure, the main control module 7 firstly controls the power supply switching module 6 to connect the backup power supply module 4 into the 5G base station for supplying power, at the moment, the emergency power supply module 8 does not supply power, when the electric quantity of the backup power supply module 4 is insufficient, the emergency power supply module 8 is controlled to supply power for a long time until the mains voltage AC recovers normal power supply, and when the electric quantity of the backup power supply module 4 is insufficient, solar energy can be converted into electric energy through the solar module 2 to supply power for the backup power supply J2; in the utility power detection module 1, when the utility power is normal, the ac input is stepped down by the first capacitor C1, the second capacitor C2 and the third capacitor C3, the rectifier U3 rectifies the power, the first voltage stabilizer stabilizes the voltage and outputs the voltage, the first coupler U2 is turned on, the fifth resistor R5 outputs a low level, when the utility power is cut off or only one phase of the utility power is available, the first coupler U2 is turned off, and the fifth resistor R5 outputs a high level.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a 5G basic station emergency power supply device which characterized in that:
this emergent power supply unit of 5G basic station includes: the system comprises a mains supply detection module, a solar module, a DC-DC conversion module, a backup power module, a sampling module, a power supply switching module, a main control module and an emergency power supply module;
the commercial power detection module is used for detecting the discharge condition of commercial power and outputting a voltage signal;
the solar module is used for converting solar energy into electric energy;
the DC-DC conversion module is connected with the output end of the solar module and is used for receiving the electric energy output by the solar module and performing DC-DC conversion;
the backup power supply module is connected with the second end of the DC-DC conversion module and used for providing electric energy;
the sampling signal is used for detecting voltage signals output by the DC-DC conversion module and the backup power supply module;
the power supply switching module is connected with the second end of the backup power supply module and used for switching the backup power supply module and the emergency power supply module to work;
the main control module is used for receiving and processing voltage signals output by the commercial power detection module, the DC-DC conversion module and the backup power module and outputting control signals;
and the emergency power supply module is used for controlling an emergency power supply to supply power to the 5G base station.
2. The emergency power supply device of the 5G base station according to claim 1, wherein the commercial voltage detection module comprises a commercial voltage, a first capacitor, a second capacitor, a third capacitor, a rectifier, a fourth capacitor, a first resistor, a voltage regulator tube, a second resistor, a third resistor, a first coupler, a fourth resistor, a first power supply and a fifth resistor;
the first end, the second end and the third end of the commercial voltage are respectively connected with the input end of the rectifier through the first capacitor, the second capacitor and the third capacitor in sequence, the output end of the rectifier is connected with the fourth capacitor and is connected with the cathode of the first voltage stabilizer, the second resistor and the third resistor through the first resistor, the other end of the third resistor is connected with the first end of the first coupler, the other output end of the rectifier, the other end of the fourth capacitor, the anode of the first voltage stabilizer, the other end of the second resistor and the second end of the first coupler are connected, the third end of the first coupler is connected with the first ends of the fifth capacitor and the fifth resistor and is connected with the first power supply through the fourth resistor, and the fourth end of the first coupler and the other end of the fifth capacitor are grounded.
3. The emergency power supply device for 5G base station as claimed in claim 2, wherein the solar module comprises a solar photovoltaic panel; the DC-DC conversion module comprises a sixth capacitor, a first switching tube, a first diode, a first inductor and a seventh capacitor; the main control module comprises a first controller;
the positive electrode of the solar photovoltaic panel is connected with the sixth capacitor and the source electrode of the first switch tube, the drain electrode of the first switch tube is connected with the cathode of the first diode and is connected with the first end of the seventh capacitor through the first inductor, the negative electrode of the solar photovoltaic panel is connected with the other end of the sixth capacitor, the anode of the first diode and the second end of the seventh capacitor, the grid electrode of the first switch tube is connected with the first driving end of the first controller, and the first end of the first controller is connected with the second end of the fifth resistor.
4. The emergency power supply device for the 5G base station according to claim 3, wherein the DC-DC conversion module further comprises a second switch tube, a second diode and a second inductor;
the source electrode of the second switch tube is connected with the anode of the solar photovoltaic panel, the drain electrode of the second switch tube is connected with the cathode of the second diode and is connected with the first end of the seventh capacitor through the second inductor, the anode of the second diode is connected with the cathode of the solar photovoltaic panel, and the grid electrode of the second switch tube is connected with the second driving end of the first controller.
5. The emergency power supply device for the 5G base station according to claim 4, wherein the sampling module comprises a tenth resistor, an eleventh resistor, a twelfth resistor and a thirteenth resistor; the backup power supply module comprises a backup power supply and a third diode;
the first end of the tenth resistor is connected with the first end of the seventh capacitor and the anode of the backup power supply through the third diode, the second end of the tenth resistor is connected with the third end of the first controller and is grounded through the eleventh resistor, the twelfth resistor is connected with the anode of the backup power supply, and the second end of the twelfth resistor is connected with the fourth end of the first controller and is grounded through the thirteenth resistor.
6. The emergency power supply device for the 5G base station according to claim 3, wherein the power switching module comprises a sixth resistor, a second coupler, a seventh resistor, an eighth resistor, a ninth resistor, a fourth diode, a fifth diode, a sixth diode, a relay, a third switch tube and a second power supply;
the third switch tube is connected with the other end of the relay, the source of the third switch tube, the anode of the fifth diode and the anode of the fifth diode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122091792.6U CN215580519U (en) | 2021-09-01 | 2021-09-01 | 5G basic station emergency power supply device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122091792.6U CN215580519U (en) | 2021-09-01 | 2021-09-01 | 5G basic station emergency power supply device |
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| CN215580519U true CN215580519U (en) | 2022-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114844195A (en) * | 2022-04-30 | 2022-08-02 | 福莱盈电子股份有限公司 | LED backlight unit power supply circuit |
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2021
- 2021-09-01 CN CN202122091792.6U patent/CN215580519U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114844195A (en) * | 2022-04-30 | 2022-08-02 | 福莱盈电子股份有限公司 | LED backlight unit power supply circuit |
| CN114844195B (en) * | 2022-04-30 | 2023-04-25 | 福莱盈电子股份有限公司 | LED backlight module power supply circuit |
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