CN218386918U - Photovoltaic power generation module of base station - Google Patents
Photovoltaic power generation module of base station Download PDFInfo
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- CN218386918U CN218386918U CN202222072607.3U CN202222072607U CN218386918U CN 218386918 U CN218386918 U CN 218386918U CN 202222072607 U CN202222072607 U CN 202222072607U CN 218386918 U CN218386918 U CN 218386918U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a basic station photovoltaic power generation module, include: the BOOST voltage boosting module comprises an energy storage inductor L, a diode D and an MOS (metal oxide semiconductor) tube Q, wherein one end of the energy storage inductor L is connected with the anode of an external photovoltaic panel, the other end of the energy storage inductor L is connected with the anode of the diode D and the drain electrode of the MOS tube Q respectively, the cathode of the diode D is connected with the anode of a base station direct current bus, the source electrode of the MOS tube Q is connected with the cathode of the photovoltaic panel and the cathode of the base station direct current bus respectively, a PWM (pulse width modulation) signal is input to the grid electrode of the MOS tube Q, and the CPU module is connected with the BOOST voltage boosting module. The utility model discloses a direct current technique of stepping up directly steps up the photovoltaic direct current to the energy that communication equipment can the direct use, lets photovoltaic power generation obtain the highest efficiency, and the direct current that has reduced traditional photovoltaic power generation photovoltaic converts alternating current, alternating current into and drops into for galvanic equipment, lets basic station photovoltaic power generation possess lower cost input.
Description
Technical Field
The utility model relates to a photovoltaic power generation technical field, in particular to basic station photovoltaic power generation module.
Background
The photovoltaic power generation is a power generation mode of directly converting solar radiation energy into electric energy by using a solar cell (photovoltaic power generation panel), and is the mainstream of the current solar power generation, so that the current solar power generation generally refers to solar photovoltaic power generation, and is one of the renewable energy power generation technologies with the highest technical maturity and the lowest cost at present. Distributed photovoltaic power generation refers to photovoltaic power generation facilities which are built and operated near a place where a user is located, mainly use the user side for self-use, surf the internet by using redundant electric quantity, and are characterized by balance adjustment in a power distribution system. Compared with a large photovoltaic power station, the household photovoltaic power generation has high power and wide occupied area, and the household photovoltaic power generation is characterized in that a photovoltaic cell panel is arranged on the top layer of a household residence or in a courtyard, a low-power inverter is used for carrying out a current conversion process, the new energy is directly utilized, and redundant electric energy can be merged into a power grid. The base station photovoltaic power generation is the household type and distributed photovoltaic power generation.
The base station is generally built on high buildings and mountains, so that the wireless signals of the base station can obtain wider coverage and serve more wireless users. The base station is provided with the solar photovoltaic panel, so that the irradiation of sunlight to the base station can be reduced, a good cooling effect is achieved for the outside of the base station, and the electricity charge loss of an air conditioner of the base station can be indirectly reduced. Of course, since the base station is located at the highest position of the floor or on a relatively high mountain, it provides the base station with a good radiation effect in wireless coverage, and obviously, these positions also provide it with better and more sunshine hours. At present, a lot of technical lines are used for implementing base station photovoltaic power generation, but most basically, photovoltaic modules are connected in series, and after high voltage is obtained through series connection, alternating current is output through a photovoltaic inverter, so that the alternating current is grid-connected for power generation. The conventional base station photovoltaic power generation mode does not play the most role of base station photovoltaic power generation. Firstly, the base station communication equipment is powered by a direct-current power supply, alternating current output by photovoltaic power is converted into direct current, a rectifier for converting the alternating current into the direct current is needed, the cost is needed by the rectifier, and secondly, the efficiency problem of converting the alternating current into the direct current exists.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a basic station photovoltaic power generation module, aims at adopting the direct current technique of stepping up, directly steps up the photovoltaic direct current to the energy that communication equipment can directly use, lets photovoltaic power generation obtain the highest efficiency, and the direct current that has reduced traditional photovoltaic power generation photovoltaic converts alternating current, alternating current into and drops into for galvanic equipment, lets basic station photovoltaic power generation possess lower cost and drops into.
In order to achieve the above object, the utility model provides a basic station photovoltaic power generation module, include: the BOOST voltage boosting module comprises an energy storage inductor L, a diode D and an MOS (metal oxide semiconductor) tube Q, wherein one end of the energy storage inductor L is connected with the anode of an external photovoltaic panel, the other end of the energy storage inductor L is connected with the anode of the diode D and the drain electrode of the MOS tube Q respectively, the cathode of the diode D is connected with the anode of a base station direct current bus, the source electrode of the MOS tube Q is connected with the cathode of the photovoltaic panel and the cathode of the base station direct current bus respectively, a PWM (pulse width modulation) signal is input to the grid electrode of the MOS tube Q, and the CPU module is connected with the BOOST voltage boosting module.
The utility model discloses a further technical scheme be, still include with voltage electric current collection module and communication module that the CPU module is connected.
The utility model discloses a further technical scheme be, still include with the power module that the CPU module is connected.
The utility model discloses a further technical scheme is, basic station photovoltaic power generation module supports two 24V of monolithic 12V, or three 36V photovoltaic solar panel's access.
The utility model discloses a further technical scheme is, still including having utmost point electric capacity C1, having utmost point electric capacity C2, having utmost point electric capacity C3 and resistance R, wherein, inductance L's one end with there is utmost point electric capacity C1's positive pole to connect, MOS pipe Q's source electrode is connected, there is utmost point electric capacity C2's positive pole respectively with diode D's negative pole resistance R's one end is connected, there is utmost point electric capacity C3's positive pole respectively with resistance R's the other end base station direct current generating line's positive pole is connected, there is utmost point electric capacity C1's negative pole have utmost point electric capacity C2's negative pole there is utmost point electric capacity C3's negative pole respectively with photovoltaic board the negative pole base station direct current generating line's negative pole is connected.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a direct current transform possesses very low photovoltaic power generation module manufacturing cost to the direct current of basic station direct use.
2. The utility model discloses a direct current transform is the direct current that the basic station directly used, lets photovoltaic power generation possess higher energy conversion efficiency.
3. The utility model discloses a direct current transform is the direct current that basic station directly used, lets basic station power generation energy need not through the electric wire netting, has reduced the coordination of series work that brings through the electric wire netting, improves work efficiency.
4. The utility model discloses a direct current transform is the direct current that the basic station directly used, and the basic station itself obtains better economic benefits. The average electricity charge of the traditional base station alternating current power supply reaches 0.80 yuan/kwh, and at present, the price of the on-line electricity provided by a power system for a photovoltaic power generation enterprise is 0.36-0.40 yuan/kwh.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic block diagram of a preferred embodiment of the base station photovoltaic power generation module of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Please refer to fig. 1, the utility model provides a basic station photovoltaic power generation module, the utility model discloses utilize photovoltaic solar energy itself just to be the characteristic of direct current output, adopt the direct current technique of stepping up, directly step up the photovoltaic direct current to the energy that communication equipment can directly be used, can let photovoltaic power generation obtain the highest efficiency, moreover, the direct current that has reduced traditional photovoltaic power generation photovoltaic converts alternating current into, the alternating current truns into to the equipment input for direct current, also lets basic station photovoltaic power generation possess lower cost input exactly. Certainly, the energy of photovoltaic power generation is directly used for communication equipment, the butt joint of photovoltaic power generation inversion grid connection and a power system is reduced, and the photovoltaic power generation obtains greater economic benefit!
Specifically, as shown in fig. 1, the utility model discloses basic station photovoltaic power generation module preferred embodiment includes CPU module and BOOST BOOST module, wherein, BOOST BOOST module includes energy storage inductance L, diode D, MOS pipe Q, energy storage inductance L's one end and external photovoltaic board's positive pole are connected, the other end respectively with diode D's positive pole MOS pipe Q's drain electrode is connected, diode D's negative pole is connected basic station direct current bus's positive pole, MOS pipe Q's source electrode respectively with photovoltaic board's negative pole base station direct current bus's negative pole is connected, MOS pipe Q's grid input PWM signal, the CPU module with BOOST BOOST module connects.
And the energy of the photovoltaic panel is boosted by the BOOST boosting module under the control of the CPU module and then enters a direct current bus of the base station to provide energy for base station equipment.
In this embodiment, the photovoltaic power generation module of the base station supports the access of two 24V or three 36V photovoltaic solar panels of a single 12V.
In addition, the base station photovoltaic power generation modules provided by the embodiment can be used in parallel at will.
In this embodiment, the photovoltaic power generation module of the base station further includes a voltage and current acquisition module and a communication module connected to the CPU module.
In this embodiment, the voltage and current collection module has an output power collection function, and can measure the power generation energy of the photovoltaic power generation module of the base station in real time. The communication module is used for transmitting the data of the photovoltaic power generation module of the base station to the outside.
In addition, in this embodiment, the communication module may be further configured to receive an external instruction, and close the output of the base station photovoltaic power generation module.
Further, in this embodiment, the base station photovoltaic power generation module further includes a power module connected to the CPU module, where the power module may be a power module in the prior art, and this embodiment is not limited to this and is not described in detail herein.
Further, in this embodiment, the base station photovoltaic power generation module further includes a polar capacitor C1, a polar capacitor C2, a polar capacitor C3, and a resistor R, where one end of the inductor L is connected to an anode of the polar capacitor C1, a source of the MOS transistor Q is connected, an anode of the polar capacitor C2 is connected to a cathode of the diode D and one end of the resistor R, an anode of the polar capacitor C3 is connected to the other end of the resistor R and an anode of the base station dc bus, and a cathode of the polar capacitor C1, a cathode of the polar capacitor C2, and a cathode of the polar capacitor C3 are connected to a cathode of the photovoltaic panel and a cathode of the base station dc bus, respectively.
The working principle of the photovoltaic power generation module of the base station of the present invention is further elaborated with reference to fig. 1.
A certain high-rise wireless base station is provided with mobile, communication and telecommunication wireless equipment, double groups of storage batteries are adopted on site, 24 south storage batteries with 500AH/2V in each group serve as a backup power supply, a rectifier of a direct current system adopts 380V alternating current for power supply, and load current is 79A.
A rectifier module: 3, maximum current 50A per module.
In actual use, 10 photovoltaic solar panels are directly and flatly arranged at the top of the base station, and because the 10 solar photovoltaic power generation panels are independently connected to the independent photovoltaic power generation modules, only one solar photovoltaic power generation panel and one photovoltaic power generation module are taken for description.
According to the utility model discloses a schematic block diagram (fig. 1) is shown, and solar photovoltaic power generation board's positive negative pole is connected to photovoltaic power generation module's solar energy input terminal's positive negative pole. Under the normal state, the solar photovoltaic power generation board has 40V direct-current voltage output under the sunshine. The voltage is in a dim light state, the basic voltage is 36V, and when sunlight is strong, the maximum output voltage reaches 42V.
Even in the state of the highest output voltage, the solar photovoltaic panel has a large difference of 53.5V from the bus voltage of the communication equipment of the base station, and the energy of the solar photovoltaic panel cannot provide energy for the base station.
In fig. 1, the energy of solar photovoltaic board the utility model discloses a under the control of CPU module, MOS device Q in fig. 1 is under the effect of PWM signal, let the MOS device be in on off state, this on off state, the indirect energy storage inductance L that lets is in energy storage and energy release state ceaselessly, when the energy release of inductance, carry out the rectification post-filtration through diode D, can let the voltage of this solar photovoltaic board improve, let the parallelly connected bus that gets into basic station direct current system of energy of solar photovoltaic board, this energy can provide the energy for basic station communication equipment.
In fig. 1, the energy of the solar photovoltaic panel is boosted by the BOOST voltage boosting module and then enters the dc bus of the base station through the resistor R in fig. 1. The resistor R in the figure 1 is an electronic device for detecting voltage and current, the impedance of the electronic device is relatively small, when current flows, voltage is formed on the resistor, the CPU module can calculate the current and the power of the solar photovoltaic panel transmitted to a direct current bus of a base station by the aid of the voltage data, and the power is integrated to obtain power generation data of the solar photovoltaic panel.
In actual use, when no photovoltaic power generation module is connected, the rectifier output direct current of the base station is 79A. When we access a photovoltaic power generation solar panel, the rectifier current display value of the base station is 75A. The photovoltaic power generation panel is shown to transmit 4A current to the base station, and the power output by the solar photovoltaic power generation panel is about 210W through conversion. The actual photovoltaic power generation data is matched with the data provided by the solar photovoltaic panel.
The communication module in fig. 1 is used for transmitting the power generation data of the solar photovoltaic power generation panel to the outside, counting and analyzing the power generation data outside, and forming the data of the solar power generation of the base station through the counting and analyzing data, so that the understanding and the actual use of the solar power generation of the base station are enriched.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a direct current transform possesses very low photovoltaic power generation module manufacturing cost for the direct current that uses of basic station.
2. The utility model discloses a direct current transform is the direct current that the basic station directly used, lets photovoltaic power generation possess higher energy conversion efficiency.
3. The utility model discloses a direct current transform is the direct current that basic station directly used, lets basic station generating energy need not through the electric wire netting, has reduced the series work coordination that brings through the electric wire netting, improves work efficiency.
4. The utility model discloses a direct current transform is the direct current that the basic station directly used, and the basic station itself obtains better economic benefits. The average electricity charge of the traditional base station alternating current power supply reaches 0.80 yuan/kwh, and at present, the price of the on-line electricity provided by a power system for a photovoltaic power generation enterprise is 0.36-0.40 yuan/kwh.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the conception of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (5)
1. A base station photovoltaic power generation module, comprising: the BOOST control circuit comprises a CPU module and a BOOST module, wherein the BOOST module comprises an energy storage inductor L, a diode D and an MOS (metal oxide semiconductor) tube Q, one end of the energy storage inductor L is connected with the anode of an external photovoltaic panel, the other end of the energy storage inductor L is respectively connected with the anode of the diode D and the drain electrode of the MOS tube Q, the cathode of the diode D is connected with the anode of a base station direct current bus, the source electrode of the MOS tube Q is respectively connected with the cathode of the photovoltaic panel and the cathode of the base station direct current bus, a PWM (pulse width modulation) signal is input to the grid electrode of the MOS tube Q, and the CPU module is connected with the BOOST module.
2. The base station photovoltaic power generation module of claim 1, further comprising a voltage current collection module and a communication module connected to the CPU module.
3. The base station photovoltaic power generation module of claim 2, further comprising a power module connected to the CPU module.
4. The base station photovoltaic power generation module of claim 1, wherein the base station photovoltaic power generation module supports access to a single 12V two-block 24V, or three 36V photovoltaic solar panels.
5. The base station photovoltaic power generation module according to claim 1, further comprising a polar capacitor C1, a polar capacitor C2, a polar capacitor C3, and a resistor R, wherein one end of the inductor L is connected to an anode of the polar capacitor C1, a source of the MOS transistor Q is connected, an anode of the polar capacitor C2 is connected to a cathode of the diode D and one end of the resistor R, an anode of the polar capacitor C3 is connected to the other end of the resistor R and an anode of the base station dc bus, and a cathode of the polar capacitor C1, a cathode of the polar capacitor C2, and a cathode of the polar capacitor C3 are connected to a cathode of the photovoltaic panel and a cathode of the base station dc bus, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222072607.3U CN218386918U (en) | 2022-08-08 | 2022-08-08 | Photovoltaic power generation module of base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222072607.3U CN218386918U (en) | 2022-08-08 | 2022-08-08 | Photovoltaic power generation module of base station |
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| Publication Number | Publication Date |
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| CN218386918U true CN218386918U (en) | 2023-01-24 |
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| CN202222072607.3U Active CN218386918U (en) | 2022-08-08 | 2022-08-08 | Photovoltaic power generation module of base station |
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- 2022-08-08 CN CN202222072607.3U patent/CN218386918U/en active Active
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