CN217642844U - Solar energy and switching power supply dual-power-supply input control system - Google Patents
Solar energy and switching power supply dual-power-supply input control system Download PDFInfo
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- CN217642844U CN217642844U CN202221361575.2U CN202221361575U CN217642844U CN 217642844 U CN217642844 U CN 217642844U CN 202221361575 U CN202221361575 U CN 202221361575U CN 217642844 U CN217642844 U CN 217642844U
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The utility model relates to an electrical equipment power supply technical field, especially, relate to a solar energy and switching power supply dual supply input control system, aim at solving the problem that prior art use cost is high, its technical scheme is a solar energy and switching power supply dual supply input control system, including solar energy supply module, the switching power supply module, dual supply drive circuit and dual supply executor, solar energy supply module is used for exporting the direct current who converts from solar energy, the switching power supply module is used for exporting the direct current who converts from the input source, dual supply drive circuit uses the output of solar energy supply module and switching power supply module as the input respectively, dual supply executor regards as the input with dual supply drive circuit's output, dual supply executor is controlled by dual supply drive circuit, an output for controlling dual supply system, this application has the solar energy that the daytime is abundant to consume energy and supply power supplementarily, the effect of the power cost of commercial cabinet is reduced.
Description
Technical Field
The application relates to the technical field of power supply of electrical equipment, in particular to a solar energy and switching power supply dual-power-supply input control system.
Background
A solar photovoltaic panel assembly is a power generation device that generates direct current upon exposure to the sun, and is composed of thin solid photovoltaic cells made almost entirely of semiconductor materials (e.g., silicon). Simple photovoltaic cells can provide energy for watches and computers, and more complex photovoltaic systems can illuminate houses and supply power to the grid.
With the shift of labor-intensive industrial construction to technology-intensive society, the change of consumption patterns and sales environments requires the emergence of new circulation channels; the labor cost of traditional modes such as supermarkets, department shopping centers and the like is continuously increased; in addition, due to the restriction of the field and the convenience of shopping, the business models of unmanned selling, new retail, fresh food cold chain and the like are gradually increased. Smart cabinets, beverage vending machines, and fresh food cabinets are found in communities and streets, and such commercial cabinets generally need to be refrigerated or frozen to ensure freshness of the food or palatability of the beverage in the cabinet.
At present, common commercial freezer generally adopts alternating current power supply drive compressor to refrigerate, and alternating current power supply directly inputs and drive compressor start-up refrigeration after stepping down through power adapter.
In view of the above-mentioned related art, the inventors consider that the above-mentioned technology has the following technical problems:
commercial refrigerators are generally disposed in outdoor environments, and the heating of outdoor environments in the daytime and frequent opening and closing of doors of the commercial refrigerators cause the compressors to consume more electric energy to maintain the temperatures, increasing the use costs of the commercial refrigerators.
SUMMERY OF THE UTILITY MODEL
In order to utilize the abundant solar energy of daytime energy consumption peak to carry out auxiliary power supply, reduce the power consumption cost of commercial cabinet, this application provides a solar energy and switching power supply dual supply input control system.
The application provides a solar energy and switching power supply double power supply input control system adopts following technical scheme:
the utility model provides a solar energy and switching power supply dual supply input control system, includes solar energy supply module, switching power supply module, two power supply drive circuit and two power supply executor, solar energy supply module is used for the output conversion from the direct current of solar energy, switching power supply module's input is connected with the input source, switching power supply module is used for the output conversion from the direct current of input source, two power supply drive circuit respectively with the output of solar energy supply module and switching power supply module is as the input, two power supply executor with two power supply drive circuit's output is as the input, two power supply executor are controlled by two power supply drive circuit for control two power supply's output.
Through adopting above-mentioned technical scheme, set up solar module in order to acquire the solar energy that is splendid relatively daytime, utilize the cooperation between two power supply drive circuit and the two power supply executor to realize switching power supply and solar energy supply module's power supply control, thereby make commercial freezer borrow solar energy resource daytime great in the energy consumption, solar energy resource's seasonal characteristic also provides outdoor temperature more and more abundant solar energy resource more simultaneously, can convert more electric energy compensation and give such pertinence compensation mode of commercial freezer, thereby help overcoming commercial freezer higher energy consumption burden under daytime or high temperature environment, reduce the power consumption cost of commercial freezer.
In a specific possible embodiment, the dual power supply driving circuit includes a comparison circuit, and the comparison circuit is used for comparing input voltages of the solar energy supply module and the switching power supply module.
Through adopting above-mentioned technical scheme, through setting up comparison circuit for the output of solar energy supply module obtains examining numerically, thereby helps controlling the ability that solar energy supply module satisfies the energy supply demand accurately, thereby accurately carries out energy supply control, helps guaranteeing the stability of system's energy supply.
In a specific implementation manner, the dual power supply driving circuit further includes a sampling circuit, and the sampling circuit is disposed before the comparison circuit and is used for respectively sampling the voltages of the solar energy supply module and the switching power supply module.
By adopting the technical scheme, the sampling circuit is favorable for realizing comparison of double power supplies through the small signal obtained by sampling in the original large signal, so that the current required to be input by the comparator is reduced, and the purchasing cost of the comparator is reduced.
In a specific implementation manner, a voltage boost circuit is further disposed between the dual power supply driving circuit and the dual power supply actuator, and the voltage boost circuit is configured to boost an output of the switching power supply module.
Through adopting above-mentioned technical scheme, set up boost circuit between two power supply drive circuit and two power supply executor, help adjusting the output voltage of switching power module to the user demand of commercial freezer is satisfied in the output that makes switching power module.
In a specific embodiment, the dual power supply actuator is configured as a power tube, and an output terminal of the dual power supply drive circuit is connected to a base terminal of the dual power supply actuator.
By adopting the technical scheme, the power tube is used as the double-power-supply actuator, the circuit complexity is favorably reduced, and the control of large signals is realized by small signals.
In a specific possible embodiment, a current limiting resistor is further provided between the output terminal of the dual power supply driving circuit and the base of the dual power supply actuator.
Through adopting above-mentioned technical scheme, set up the control signal size that current-limiting resistor helps the two power supply executor of supplementary triode form, help improving the security of circuit.
In a specific implementation mode, two diodes which are connected in parallel in the same direction are connected in series at the output end of the solar energy supply module.
By adopting the technical scheme, the two parallel homodromous diodes are beneficial to reducing the voltage drop of the diodes and improving the output current of the solar energy supply module.
In a specific implementation mode, the input source of the switching power supply module is provided as a mains and/or alternating current power supply.
By adopting the technical scheme, the input source of the switching power supply module is favorably expanded, so that technicians are favorably enabled to select a proper input source for power supply, and the flexibility of the system is favorably improved.
In summary, the present application includes at least one of the following beneficial technical effects:
the solar module is arranged to obtain relatively intense solar energy in the daytime, and the power supply control of the switching power supply and the solar energy supply module is realized by utilizing the cooperation between the double power supply driving circuit and the double power supply actuator, so that solar energy resources can be borrowed by the commercial refrigerator in the daytime with higher energy consumption, and meanwhile, the seasonal characteristic of the solar energy resources also provides a targeted compensation mode that the solar energy resources are richer when the outdoor temperature is higher, and more electric energy can be converted to compensate the commercial refrigerator, so that the higher energy consumption burden of the commercial refrigerator in the daytime or high-temperature environment can be overcome, and the electricity consumption cost of the commercial refrigerator can be reduced;
by arranging the comparison circuit, the output of the solar energy supply module is checked numerically, so that the capability of the solar energy supply module for meeting the energy supply requirement is controlled accurately, the energy supply control is performed accurately, and the stability of system energy supply is ensured;
set up boost circuit between two power supply drive circuit and two power supply executor, help adjusting the output voltage of switching power module to make switching power module's output satisfy the user demand of commercial freezer.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments 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 to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic system structure diagram of a solar and switching power supply dual-power-supply input control system shown in an embodiment of the present application;
fig. 2 is a schematic circuit diagram of a dual-power-supply input control system for a solar power supply and a switching power supply shown in an embodiment of the present application.
Description of the reference numerals: 1. a solar energy supply module; 2. a switching power supply module; 3. a dual power drive circuit; 31. a comparison circuit; 32. a sampling circuit; 33. a boost circuit; 4. double power supply executor.
Detailed Description
The present embodiments are only illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but the technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to fig. 1-2 of the embodiments of the present application as long as they are protected by patent laws within the scope of the claims of the present application to make the objects, technical solutions and advantages of the embodiments of the present application clearer, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments.
Example (b):
the embodiment of the application discloses a solar energy and switching power supply dual-power-supply input control system.
The embodiment of the application discloses a solar energy and switching power supply dual-power-supply input control system.
Referring to fig. 1 and 2, the solar energy and switching power supply dual-power-supply input control system comprises a solar energy supply module 1 and a switching power supply module 2. Specifically, the solar energy supply module 1 may be provided with a circuit module which is built based on a solar photovoltaic panel and is used for converting solar energy into electric energy, and the solar energy supply module 1 takes direct current as output. The switch power module 2 can be a circuit module which is built on the basis of a switch converter and used for converting an alternating current input source into a direct current output source, the input source of the switch power module 2 can be a 220V high-voltage alternating current commercial power or an alternating current power supply with other parameters, and the output of the switch power module 2 is a rated voltage direct current power supply. In this embodiment, the output voltage of the solar energy supply module 1 is AV, and the output voltage of the switching power supply module 2 is rated BV =24V, for example, other situations and the like are not described again.
Referring to fig. 1 and fig. 2, the system further includes a dual power supply driving circuit 3 which takes the outputs of the solar energy power supply module 1 and the switching power supply module 2 as dual inputs, the dual power supply driving circuit 3 is used for controlling the final power supply output of the system, and the system further includes a dual power supply actuator 4 which is controlled by the dual power supply driving circuit 3 and is used for executing power supply output regulation. Specifically, the dual power supply drive circuit 3 includes a comparison circuit 31, a sampling circuit 32, and a booster circuit 33.
Referring to fig. 2, wherein the sampling circuit 32 is used to sample the output signals of the solar energy supply module 1 and the switching power supply module 2 respectively for subsequent comparison and analysis, the sampling circuit 32 may be a voltage dividing circuit constructed based on a resistor with a fixed value, the sampling circuit 32 takes the output of the solar energy supply module 1 as input and outputs the solar energy sampling signal, and also takes the output of the switching power supply module 2 as input and outputs the switching power supply sampling signal. The comparison circuit 31 is configured to compare the dual inputs of the dual power supply driving circuit 3 based on the output value and output a driving signal, the comparison circuit 31 may be a voltage comparison circuit 31 built based on a voltage comparator, and the comparison circuit 31 takes the solar sampling signal and the switching power supply sampling signal as inputs and takes the voltage comparison result of the two as an output driving signal. The voltage boost circuit 33 is configured to boost the output signal of the switching power supply so that the output signal of the switching power supply matches the output requirement of the system, and the voltage boost circuit 33 may be an amplifier circuit built based on an operational amplifier, and output the boosted power supply signal with the output of the switching power supply as an input.
Referring to fig. 1 and 2, the system further includes a dual power supply actuator 4 controlled by the dual power supply driving circuit 3, the dual power supply actuator 4 may be configured as a controllable gating circuit built based on a power tube, and an output end of the dual power supply driving circuit 3 is connected to a base of an MOS transistor M7 in the dual power supply driving circuit 3. In addition, a current limiting resistor is further arranged between the output end of the double-power-supply driving circuit 3 and the base of the MOS transistor M7, and the current limiting resistor is used for limiting the base current of the MOS transistor M7 so as to achieve the circuit protection effect.
Referring to fig. 1 and 2, the solar energy supply module 1 is also directly connected to the output end of the system through two parallel schottky diodes arranged in the same direction, and both schottky diodes are conducted from the solar energy supply module 1 to the output end of the system.
The implementation principle of the solar energy and switching power supply dual-power-supply input control system in the embodiment of the application is as follows: the solar energy supply module 1 and the switch power supply module 2 supply energy to the system at the same time, the output BV of the switch power supply module 2 is 24V standard voltage, the output AV of the solar energy supply module 1 changes according to the illumination condition, and accordingly, the following output conditions are generated:
when the AV partial voltage is larger than the BV partial voltage, the U7A outputs a low level, the U7B outputs a low level, the triode Q2 is turned off, the MOS tube M7 is turned off to output, and at the moment, the power consumption requirement of the system can be met only by the solar energy supply module 1;
when the AV partial pressure is smaller than the value after the BV partial pressure, the U7A outputs a high resistance state, the U7B outputs a high resistance state, the triode Q2 is opened, the triode Q1 is opened, the MOS tube M7 is opened for power supply, and the solar energy supply module 1 and the switch power supply module 2 supply power for the system together to meet the power consumption requirement.
The above embodiments are only used to describe the technical solutions of the present application in detail, but the above embodiments are only used to help understanding the method and the core idea of the present application, and should not be construed as limiting the present application. Those skilled in the art should also appreciate that various modifications and substitutions can be made without departing from the scope of the present disclosure.
Claims (8)
1. The utility model provides a solar energy and switching power supply dual supply input control system which characterized in that: including solar energy supply module (1), switching power supply module (2), two power supply drive circuit (3) and two power supply executor (4), solar energy supply module (1) is used for the output to convert from the direct current of solar energy, the input of switching power supply module (2) is connected with the input source, switching power supply module (2) are used for the output to convert from the direct current of input source, two power supply drive circuit (3) respectively with the output of solar energy supply module (1) and switching power supply module (2) is as the input, two power supply executor (4) with the output of two power supply drive circuit (3) is as the input, two power supply executor (4) are controlled by two power supply drive circuit (3) for the output of controlling two power supply system.
2. The dual power input control system of claim 1, wherein: the dual-power-supply driving circuit (3) comprises a comparison circuit (31), wherein the comparison circuit (31) is used for comparing the input voltages of the solar energy supply module (1) and the switching power supply module (2).
3. The dual power input control system of claim 2, wherein: the dual-power-supply driving circuit (3) further comprises a sampling circuit (32), wherein the sampling circuit (32) is arranged before the comparison circuit (31) and is used for sampling the voltage of the solar energy supply module (1) and the voltage of the switching power supply module (2) respectively.
4. The dual power input control system of a solar power and switching power supply as claimed in claim 1, wherein: the dual power supply driving circuit (3) further comprises a boost circuit (33), and the boost circuit (33) is used for boosting the output of the switching power supply module (2).
5. The dual power input control system of claim 1, wherein: the double-power supply actuator (4) is set as a power tube, and the output end of the double-power supply driving circuit (3) is connected with the base of the double-power supply actuator (4).
6. The dual power input control system of claim 5, wherein: and a current-limiting resistor is also arranged between the output end of the double-power-supply driving circuit (3) and the base of the double-power-supply actuator (4).
7. The dual power input control system of claim 1, wherein: the output end of the solar energy supply module (1) is connected in series with two diodes which are connected in parallel in the same direction.
8. The dual power input control system of claim 1, wherein: the input source of the switching power supply module (2) is set to be a commercial power supply and/or an alternating current power supply.
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CN202221361575.2U CN217642844U (en) | 2022-06-01 | 2022-06-01 | Solar energy and switching power supply dual-power-supply input control system |
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CN202221361575.2U CN217642844U (en) | 2022-06-01 | 2022-06-01 | Solar energy and switching power supply dual-power-supply input control system |
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