CN117375660A - Solar UPS data transmission device - Google Patents
Solar UPS data transmission device Download PDFInfo
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- CN117375660A CN117375660A CN202311313918.7A CN202311313918A CN117375660A CN 117375660 A CN117375660 A CN 117375660A CN 202311313918 A CN202311313918 A CN 202311313918A CN 117375660 A CN117375660 A CN 117375660A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 139
- 238000005265 energy consumption Methods 0.000 claims abstract description 53
- 238000001228 spectrum Methods 0.000 claims abstract description 39
- 230000007613 environmental effect Effects 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000004146 energy storage Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012417 linear regression Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
Abstract
The invention discloses a solar UPS data transmission device, which comprises: the data transmission module is used for receiving the output signal of the sensor, performing spread spectrum processing on the output signal and then sending the output signal to the control end; the electric energy storage module is used for storing electric energy and providing uninterrupted electric energy for the data transmission module and the sensor; the environmental energy collection module is used for collecting environmental energy and converting the environmental energy into electric energy to be stored in the electric energy storage module; and the energy-saving module is used for adjusting the energy consumption of the data transmission module and the sensor in real time according to the running state. The data transmission module performs spread spectrum processing on the output signal and then sends the output signal to the control end, so that the anti-interference capability of the output signal is improved; the electric energy storage module can provide uninterrupted electric energy for the data transmission module and the sensor so as to ensure that the state of the gate is monitored continuously for a long time; the energy-saving module can adjust the energy consumption required by the data transmission module or the sensor according to the running state of the data transmission module or the sensor so as to reduce the energy consumption and achieve the purpose of energy saving.
Description
Technical Field
The invention relates to the technical field of data transmission, in particular to a solar UPS data transmission device.
Background
Narrowband and broadband are two common network transmission technologies, the main difference between them is transmission speed and bandwidth, and broadband is faster in transmission speed and wider in bandwidth than narrowband, so that more data can be transmitted.
Spread spectrum is a communication technology for scattering the frequency spectrum of a transmission signal to the original bandwidth of the transmission signal to be wider, and is commonly used in a wireless communication neighborhood; the frequency bandwidth occupied by the spread signal is far greater than the minimum bandwidth necessary for the transmitted information, the spreading of the frequency band is accomplished by an independent code sequence, the method of coding and modulating is used for realizing the independent of the transmitted information data, and the same code is used for carrying out relevant synchronous receiving, despreading and recovering the transmitted information data at a receiving end.
UPS (Uninterruptible Power Supply) is an uninterruptible power supply, which is mainly used for providing uninterruptible power supply for equipment with higher requirements on power stability, and when the mains supply is normally input, the UPS stabilizes the mains supply and supplies the power to a load for use, and the UPS is an alternating current type voltage stabilizer and charges an internal battery; when the commercial power is interrupted (accident power failure), the UPS immediately supplies 220V alternating current to the load by using an inverter switching method, so that the load keeps normal work and soft and hardware of the load are protected from damage.
The data transmission device is used for receiving and transmitting the data detected by the sensor and is used for realizing stable transmission of the data. The sensor for detecting the opening degree, the posture and the like of the gate used for water conservancy and hydropower is terminal equipment of the big data Internet of things, and a wireless transceiver for data transmission needs to run continuously so as to ensure that the gate can be monitored in real time; the working environments of the sensor for detecting the working condition of the gate and the data transmission device are bad, so that the sensor has strong anti-interference performance for data transmission; the data transmission device needs uninterrupted work, so that the data has certain energy consumption during transmission, and particularly, the energy consumption is larger in order to ensure the stability and reliability of the data during high-frequency transmission, but the opening degree, the posture and the like of the gate are not changed all the time, so that the data detected by a high-frequency transmission sensor are not needed when the gate is in a static state, and the electric energy is wasted if the high-frequency transmission sensor always maintains the high energy consumption.
Therefore, there is a need to provide a solar UPS data transmission apparatus, which at least partially solves the problems in the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a solar UPS data transmission apparatus, including:
the data transmission module is used for receiving the output signal of the sensor, performing spread spectrum processing on the output signal and then sending the output signal to the control end;
the electric energy storage module is used for storing electric energy and providing uninterrupted electric energy for the data transmission module and the sensor;
the environmental energy collection module is used for collecting environmental energy and converting the environmental energy into electric energy to be stored in the electric energy storage module;
and the energy-saving module is used for adjusting the energy consumption of the data transmission module and the sensor in real time according to the running state.
Preferably, the environmental energy collected by the environmental energy collection module includes: one or more of solar energy, radio frequency, temperature differential, and mechanical energy.
Preferably, the data transmission module includes:
a receiving unit for receiving an output signal of the sensor;
the spread spectrum unit is used for performing spread spectrum processing on the output signal and obtaining a spread spectrum signal;
and the transmitting unit is used for transmitting the spread spectrum signal processed by the spread spectrum unit to the control end.
Preferably, the spreading unit includes:
the bandwidth determining subunit is used for determining the maximum bandwidth corresponding to each output signal according to the number of the output signals;
and the spread spectrum processing subunit is used for determining a corresponding spread spectrum code according to the maximum bandwidth corresponding to each output signal, and performing spread spectrum processing on the output signals according to the spread spectrum code to obtain spread spectrum signals corresponding to each output signal.
Preferably, the energy saving module includes:
the judging unit is used for judging whether the data acquired by the sensor at the current moment and the data acquired at the previous moment exceed an error range, if so, the sensor acquires the data at a first frequency, and if not, the sensor acquires the data at a second frequency; wherein the first frequency is greater than the second frequency.
Preferably, the energy saving module further comprises:
and the energy consumption adjusting unit is used for optimizing the transmitting power of the data transmission module according to the communication environment before the data transmission module transmits data each time so as to realize the adjustment of the transmission energy consumption of the data transmission module.
Preferably, optimizing the transmission power of the data transmission module according to the communication environment includes:
and determining a relation model between the transmitting power and the transmitting energy consumption of the data transmission module according to the communication environment, and optimizing the transmitting power of the data transmission module according to the relation model.
Preferably, the establishing of the relation model between the transmitting power and the transmitting energy consumption of the data transmission module includes:
establishing a relation between a link quality indication and a packet loss retransmission rate according to a communication environment;
establishing a relation between the transmitting power and the link quality indication;
establishing a relation between the transmitting power and the energy consumption for transmitting a single data packet;
and determining the total number of data packets to be transmitted by the data transmission module at the current moment, and obtaining a relation model between the transmitting power and the transmitting energy consumption of the data transmission module according to the packet loss retransmission rate and the energy consumption for transmitting single data packets.
Preferably, establishing the relationship between the link quality indication and the packet loss retransmission rate according to the communication environment includes:
under various communication environments, data packets are respectively sent to a control end for multiple times through a data transmission module, and the number of the data packets sent each time is the same;
recording the link quality indication of each data packet sent each time, and obtaining the average value of the link quality indications of a plurality of data packets sent each time;
collecting the total number of packet loss retransmission times when a plurality of data packets are transmitted each time, and obtaining the packet loss retransmission rate;
and establishing a relation between the link quality indication and the packet loss retransmission rate according to a plurality of link quality indication average values and a plurality of packet loss retransmission rates corresponding to the data packets sent for a plurality of times.
Preferably, establishing a relation between the transmission power and the link quality indication comprises:
in various communication environments, a plurality of data packets are respectively sent to a control end by adopting a plurality of different transmitting powers through a data transmission module;
and acquiring the link quality indication of each data packet corresponding to each transmitting power in each communication environment, and obtaining a link quality indication mean value corresponding to the transmitting power, thereby obtaining the relation between the transmitting power and the link quality indication.
Compared with the prior art, the invention at least comprises the following beneficial effects:
in order to ensure the stability of transmission of the output signal to the control end, the data transmission module spreads the frequency of the output signal and then sends the spread frequency to the control end, so that the anti-interference capability of the output signal can be improved; the electric energy storage module can provide uninterrupted electric energy for the data transmission module and the sensor so as to ensure that the state of the gate can be monitored continuously for a long time; the energy-saving module can adjust the energy consumption required by the data transmission module or the sensor according to the running state of the data transmission module or the sensor so as to reduce the energy consumption and achieve the purpose of energy saving.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a block diagram of a solar UPS data transmission apparatus according to the present invention;
fig. 2 is a block diagram of a data transmission module in the solar UPS data transmission apparatus according to the present invention;
fig. 3 is a block diagram of an energy saving module in the solar UPS data transmission device according to the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, the present invention provides a solar UPS data transmission apparatus, including:
the data transmission module is used for receiving the output signal of the sensor, performing spread spectrum processing on the output signal and then sending the output signal to the control end;
the electric energy storage module is used for storing electric energy and providing uninterrupted electric energy for the data transmission module and the sensor;
the environmental energy collection module is used for collecting environmental energy and converting the environmental energy into electric energy to be stored in the electric energy storage module;
and the energy-saving module is used for adjusting the energy consumption of the data transmission module and the sensor in real time according to the running state.
The sensor is used for detecting the opening degree and the gesture of the gate, the sensor transmits the opening degree and the gesture data of the gate detected in real time to the data transmission module in the form of output signals, and the communication mode of the output signals can select narrow bands or wide bands according to actual demands; because the working environment of the gate is generally bad, the data transmission module is easy to be interfered when in data transmission, and in order to ensure the stability of the transmission of the output signal to the control end, the data transmission module carries out spread spectrum processing on the output signal and then sends the output signal to the control end, so that the anti-interference capability of the output signal can be improved; the electric energy storage module can provide uninterrupted electric energy for the data transmission module and the sensor so as to ensure that the state of the gate can be monitored continuously for a long time, for example, a UPS (uninterrupted power supply) can be used, and the environment energy collection module can also store the collected and converted electric energy into the UPS so as to prevent the power supply from being supplied to the data transmission module and the sensor when the mains supply is interrupted (accident power failure); the energy-saving module can adjust the energy consumption required by the data transmission module or the sensor according to the running state of the data transmission module or the sensor so as to reduce the energy consumption, and particularly when the UPS is used for directly supplying power, the energy consumption needs to be saved so as to ensure that the data transmission device can work for a long time.
Further, the environmental energy collected by the environmental energy collection module includes: one or more of solar energy, radio frequency, temperature differential, and mechanical energy.
The environmental energy collection module can convert one or more of collected solar energy, radio frequency, temperature difference and mechanical energy into electric energy to be stored in the UPS, so that the environmental energy is fully utilized, and the energy consumption is further saved.
As shown in fig. 2, in one embodiment, the data transmission module includes:
a receiving unit for receiving an output signal of the sensor;
the spread spectrum unit is used for performing spread spectrum processing on the output signal and obtaining a spread spectrum signal;
and the transmitting unit is used for transmitting the spread spectrum signal processed by the spread spectrum unit to the control end.
Further, the spreading unit includes:
the bandwidth determining subunit is used for determining the maximum bandwidth corresponding to each output signal according to the number of the output signals;
and the spread spectrum processing subunit is used for determining a corresponding spread spectrum code according to the maximum bandwidth corresponding to each output signal, and performing spread spectrum processing on the output signals according to the spread spectrum code to obtain spread spectrum signals corresponding to each output signal.
In order to ensure that all the output signals can be transmitted to the control end under the condition that the number of the output signals is large, the bandwidth of each output signal needs to be reduced, the maximum bandwidth corresponding to each output signal is the maximum value of the bandwidth allowed when all the output signals can be transmitted to the control end, specifically, the relation between the number of the output signals and the maximum bandwidth can be established according to historical data, the maximum bandwidth corresponding to the number of the output signals can be obtained according to the relation, then the spreading code of each output signal can be determined according to the maximum bandwidth, the output signals are subjected to spreading processing according to the spreading code, the spreading signals corresponding to each output signal are obtained, and the sending unit can send the spreading signals to the control end, so that the sending number of the output signals is ensured.
As shown in fig. 3, in one embodiment, the energy saving module includes:
the judging unit is used for judging whether the data acquired by the sensor at the current moment and the data acquired at the previous moment exceed an error range, if so, the sensor acquires the data at a first frequency, and if not, the sensor acquires the data at a second frequency; wherein the first frequency is greater than the second frequency.
Because the opening and the posture of the gate are not changed in real time, the opening and the posture of the gate are only required to be collected at high frequency when the gate is required to be opened or closed or special conditions are met, so that the real-time monitoring and control of the gate are ensured;
therefore, the sensor for detecting the state of the gate can reduce the acquisition frequency of the gate when the gate is in a static state so as to reduce the energy consumption of the sensor and achieve the aim of saving energy;
specifically, whether the data collected by the sensor at the current moment and the data collected at the previous moment exceed an error range or not is judged, because the data collected by the sensor for multiple times have little phase difference when the gate is in a static state and the state is normal, the data can be collected at a second frequency when the data are changed within a normal error range, and the aim of reducing energy consumption is achieved; when the state of the gate is changed, the data acquired at the current moment and the data acquired at the previous moment have larger phase difference, and the acquisition frequency of the sensor can be immediately adjusted to be the first frequency, so that the real-time monitoring and control of the gate are ensured.
As shown in fig. 3, in one embodiment, the energy saving module further includes:
and the energy consumption adjusting unit is used for optimizing the transmitting power of the data transmission module according to the communication environment before the data transmission module transmits data each time so as to realize the adjustment of the transmission energy consumption of the data transmission module.
In general, in order to ensure stability of data transmission, a higher transmitting power is generally selected for data transmission, and the stability of data transmission is affected by a communication environment, such as a distance between a communication distance and a shielding object, and the data transmission module for detecting a gate state cannot sense the communication environment, so that the higher transmitting power can ensure the stability of data transmission, but the energy consumption of the data transmission module is increased undoubtedly, thereby wasting a large amount of electric energy;
based on the above, the energy consumption adjusting unit can optimize the transmitting power of the data transmission module according to the communication environment, thereby realizing the adjustment of the transmission energy consumption of the data transmission module, ensuring the stability of data transmission, reducing the energy consumption of the data transmission module as much as possible, and achieving the purpose of energy saving.
In one embodiment, optimizing the transmit power of the data transmission module according to the communication environment includes:
and determining a relation model between the transmitting power and the transmitting energy consumption of the data transmission module according to the communication environment, and optimizing the transmitting power of the data transmission module according to the relation model.
Further, the establishing of the relation model between the transmitting power and the transmitting energy consumption of the data transmission module comprises the following steps:
establishing a relation between a link quality indication and a packet loss retransmission rate according to a communication environment:
wherein,for packet loss retransmission rate, L is a link quality indicator, exp () is an exponential function of e, a is a first fitting parameter, and b is a second fitting parameter;
establishing a relation between the transmitting power and the link quality indication:
L＝c*P+d，L≥0
wherein P is the transmitting power of the data transmission module, c is a third fitting parameter, and d is a fourth fitting parameter;
the relation between the transmitting power and the energy consumption for transmitting single data packets is established:
eMono=f p+g
The energy consumption of the E single data transmission module when transmitting a single data packet is f, the f is a fifth fitting parameter, and the g is a sixth fitting parameter;
determining the total number of data packets to be transmitted by a data transmission module at the current moment, and obtaining a relation model between the transmitting power and the transmitting energy consumption of the data transmission module according to the packet loss retransmission rate and the energy consumption of transmitting a single data packet:
wherein E is z And M is the total number of data packets, which is the transmission energy consumption of the data transmission module, namely the actual transmission energy consumption.
Therefore, the transmitting power when the transmitting energy consumption of the data transmission module obtains the minimum value is the transmitting power after optimization, and the transmitting power is optimized by adopting the relation model before the data transmission module transmits data each time, so that the transmitting energy consumption of the data transmission module is adjusted, and the aim of saving energy is fulfilled; and the above relation model fully considers the quality and stability of data transmission, so as to ensure that the transmission energy consumption is reduced under the condition of stable data transmission.
Further, establishing a relationship between the link quality indication and the packet loss retransmission rate according to the communication environment includes:
under various communication environments, data packets are respectively sent to a control end for multiple times through a data transmission module, and the number of the data packets sent each time is the same;
recording the link quality indication of each data packet sent each time, and obtaining the average value of the link quality indications of a plurality of data packets sent each time;
collecting the total number of packet loss retransmission times when a plurality of data packets are transmitted each time, and obtaining the packet loss retransmission rate;
and establishing a relation between the link quality indication and the packet loss retransmission rate according to a plurality of link quality indication average values and a plurality of packet loss retransmission rates corresponding to the data packets sent for a plurality of times.
The link quality has direct influence on the packet loss retransmission rate, the worse the link quality is, the more times of packet loss retransmission are needed, the higher the packet loss retransmission rate is, and the transmission energy consumption is increased;
the multiple communication environments can be simulated by changing the communication distance of the data transmission module, whether a shielding object exists or not and other environments influencing signal transmission, or can be different actual working environments of the data transmission module, so that more accurate multiple link quality indication mean values and multiple discrete data of packet loss retransmission rates can be obtained, and the establishment of a more accurate relation between the link quality indication and the packet loss retransmission rates is facilitated;
in the relation between the link quality indication and the packet loss retransmission rate, the obtaining of the first fitting parameter and the second fitting parameter comprises the following steps: for formula (VI)Taking the logarithm of the two sides to obtain ∈>ln is a logarithmic function based on e, and discrete data of a plurality of link quality indication mean values and a plurality of packet loss retransmission rates corresponding to the multiple-transmission data packets obtained by the method are introduced into a formula>And then carrying out least square linear regression fitting to obtain values of a and b.
By the method, the more accurate relation between the link quality indication and the packet loss retransmission rate related to the communication environment can be obtained, and a more accurate basis is provided for a relation model between the transmitting power and the transmission energy consumption.
Further, establishing a relationship between the transmit power and the link quality indication includes:
in various communication environments, a plurality of data packets are respectively sent to a control end by adopting a plurality of different transmitting powers through a data transmission module;
and acquiring the link quality indication of each data packet corresponding to each transmitting power in each communication environment, and obtaining a link quality indication mean value corresponding to the transmitting power to obtain discrete data of the transmitting power and the link quality indication, thereby obtaining the relation between the transmitting power and the link quality indication.
And performing unitary linear regression fitting on the discrete data of the transmitting power and the link quality indication, and solving a third fitting parameter and a fourth fitting parameter in the formula L=c×P+d through the discrete data.
In order to obtain the discrete relation between the transmitting power and the energy consumption for transmitting the single data packet, respectively transmitting a plurality of data packets by a plurality of different transmitting powers to obtain the working time and the current change condition of a data transmission module, then calculating the average value of the energy consumption for transmitting the single data packet after integral averaging, obtaining the discrete data of the transmitting power and the energy consumption for transmitting the single data packet, wherein the discrete data are in a linear relation, performing unitary linear regression fitting on the discrete data, and solving a fifth fitting parameter and a sixth fitting parameter in a formula Esingle=f x P+g through the discrete data.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. A solar UPS data transmission apparatus, comprising:
the data transmission module is used for receiving the output signal of the sensor, performing spread spectrum processing on the output signal and then sending the output signal to the control end;
the electric energy storage module is used for storing electric energy and providing uninterrupted electric energy for the data transmission module and the sensor;
the environmental energy collection module is used for collecting environmental energy and converting the environmental energy into electric energy to be stored in the electric energy storage module;
and the energy-saving module is used for adjusting the energy consumption of the data transmission module and the sensor in real time according to the running state.
2. The solar UPS data transmission apparatus of claim 1, wherein the environmental energy collected by the environmental energy collection module comprises: one or more of solar energy, radio frequency, temperature differential, and mechanical energy.
3. The solar UPS data transmission apparatus of claim 1, wherein the data transmission module includes:
a receiving unit for receiving an output signal of the sensor;
the spread spectrum unit is used for performing spread spectrum processing on the output signal and obtaining a spread spectrum signal;
and the transmitting unit is used for transmitting the spread spectrum signal processed by the spread spectrum unit to the control end.
4. A solar UPS data transmission apparatus according to claim 3, wherein the spread spectrum unit comprises:
the bandwidth determining subunit is used for determining the maximum bandwidth corresponding to each output signal according to the number of the output signals;
and the spread spectrum processing subunit is used for determining a corresponding spread spectrum code according to the maximum bandwidth corresponding to each output signal, and performing spread spectrum processing on the output signals according to the spread spectrum code to obtain spread spectrum signals corresponding to each output signal.
5. The solar UPS data transmission apparatus of claim 1, wherein the energy saving module comprises:
the judging unit is used for judging whether the data acquired by the sensor at the current moment and the data acquired at the previous moment exceed an error range, if so, the sensor acquires the data at a first frequency, and if not, the sensor acquires the data at a second frequency; wherein the first frequency is greater than the second frequency.
6. The solar UPS data transmission apparatus of claim 1, wherein the energy saving module further comprises:
and the energy consumption adjusting unit is used for optimizing the transmitting power of the data transmission module according to the communication environment before the data transmission module transmits data each time so as to realize the adjustment of the transmission energy consumption of the data transmission module.
7. The solar UPS data transmission apparatus of claim 6, wherein optimizing the transmission power of the data transmission module according to the communication environment includes:
and determining a relation model between the transmitting power and the transmitting energy consumption of the data transmission module according to the communication environment, and optimizing the transmitting power of the data transmission module according to the relation model.
8. The solar UPS data transmission apparatus of claim 7, wherein the establishing of the relationship model between the transmission power and the transmission energy consumption of the data transmission module includes:
establishing a relation between a link quality indication and a packet loss retransmission rate according to a communication environment;
establishing a relation between the transmitting power and the link quality indication;
establishing a relation between the transmitting power and the energy consumption for transmitting a single data packet;
and determining the total number of data packets to be transmitted by the data transmission module at the current moment, and obtaining a relation model between the transmitting power and the transmitting energy consumption of the data transmission module according to the packet loss retransmission rate and the energy consumption for transmitting single data packets.
9. The solar UPS data transmission apparatus of claim 8, wherein establishing a relationship between the link quality indication and the packet loss retransmission rate according to the communication environment comprises:
under various communication environments, data packets are respectively sent to a control end for multiple times through a data transmission module, and the number of the data packets sent each time is the same;
recording the link quality indication of each data packet sent each time, and obtaining the average value of the link quality indications of a plurality of data packets sent each time;
collecting the total number of packet loss retransmission times when a plurality of data packets are transmitted each time, and obtaining the packet loss retransmission rate;
and establishing a relation between the link quality indication and the packet loss retransmission rate according to a plurality of link quality indication average values and a plurality of packet loss retransmission rates corresponding to the data packets sent for a plurality of times.
10. The solar UPS data transmission apparatus of claim 8, wherein establishing a relationship between transmit power and link quality indication comprises:
in various communication environments, a plurality of data packets are respectively sent to a control end by adopting a plurality of different transmitting powers through a data transmission module;
and acquiring the link quality indication of each data packet corresponding to each transmitting power in each communication environment, and obtaining a link quality indication mean value corresponding to the transmitting power, thereby obtaining the relation between the transmitting power and the link quality indication.
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| CN202311313918.7A CN117375660A (en) | 2023-10-11 | 2023-10-11 | Solar UPS data transmission device |
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| CN202311313918.7A CN117375660A (en) | 2023-10-11 | 2023-10-11 | Solar UPS data transmission device |
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