CN208078721U - Solar street light charge-discharge control system - Google Patents
Solar street light charge-discharge control system Download PDFInfo
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- CN208078721U CN208078721U CN201721750908.XU CN201721750908U CN208078721U CN 208078721 U CN208078721 U CN 208078721U CN 201721750908 U CN201721750908 U CN 201721750908U CN 208078721 U CN208078721 U CN 208078721U
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- relay
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- street light
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Abstract
The utility model discloses a kind of solar street light charge-discharge control system, including load, photovoltaic module and accumulator, three is electrically connected, further include being electrically connected with the photovoltaic module and the accumulator, voltage acquisition component for acquiring the photovoltaic module and the battery tension, for receiving acquired information of voltage, and make the middle control component of respective feedback, and the voltage adjusting assembly adjusted for realizing the photovoltaic module output voltage, the voltage acquisition component and the voltage adjusting assembly are electrically connected with the middle control component, and interact feedback.The utility model ensure that the automatic adjustment and matching of charging voltage in road lamp system by the way of automation, realizes the full-automatic switching of charging, electric discharge, effectively extends the service life of each component in road lamp system, it is ensured that the stable operation of road lamp system.
Description
Technical field
The utility model is related to a kind of control systems, more particularly to one kind is in photovoltaic module application system, the realization sun
The solar street light charge-discharge control system that energy streetlight charging and discharging state adjusts in time, belongs to photovoltaic module application field.
Background technology
Photovoltaic module (also referred to as solar panel) is core and solar power generation in solar power system
Most important part in system.From the point of view of the applicable cases of photovoltaic module more universal at present, photovoltaic module is more to be answered
For in the fields such as power grid power supply, resident living power supply and city illumination power supply.
In city illumination is for electrical domain for common street lamp, some simple Solar Street Lighting Systems are directly by battery
Plate, accumulator and street lamp three are simply combined into.During its use, although the purpose of illumination can be realized, by
It is too simple in its structure, therefore the matching of whole system voltage is not easily accomplished, so also just to the energy storage component in system
It is proposed very high requirement with load.Each component is very after long-time use, in system for such solar street light
It is easy to be damaged.
Just because of this, how to provide a kind of service life that can enable each component in road lamp system to extend, it is ensured that road
The solar street light charge-discharge control system of lamp system stable operation, it is urgently to be resolved hurrily just to become those skilled in that art
Problem.
Invention content
In view of the prior art there are drawbacks described above, the purpose of this utility model is to propose one kind in photovoltaic module application system
In, realize the solar street light charge-discharge control system that adjusts in time of solar street light charging and discharging state.
The purpose of this utility model will be achieved by the following technical programs：
A kind of solar street light charge-discharge control system, including load, photovoltaic module and accumulator, three electrically connect
It connects, further includes being electrically connected, with the photovoltaic module and the accumulator for acquiring the photovoltaic module and the accumulator
The voltage acquisition component of voltage for receiving acquired information of voltage and make the middle control component of respective feedback, and is used for
Realize the voltage adjusting assembly that the photovoltaic module output voltage is adjusted, the voltage acquisition component and the voltage adjusting assembly
It is electrically connected with the middle control component and interacts feedback.
Preferably, the voltage acquisition component includes analog-digital converter, the analog-digital converter respectively with the photovoltaic group
Part, the accumulator and the middle control component are electrically connected.
Preferably, the analog-digital converter is ADC0809 converters.
Preferably, the voltage adjusting assembly includes DC/DC modules, relay module and relay resistance, the DC/
DC modules include the first DC/DC modules and the 2nd DC/DC modules, and the relay module includes the first relay and the second relay
Device.
Preferably, the first DC/DC modules are electrically connected with first relay, the two is set to the photovoltaic group
Between part and the accumulator.
Preferably, the 2nd DC/DC modules are electrically connected with second relay, the two is set to the accumulator and institute
It states between load.
Preferably, first relay and second relay are electrically connected with the middle control component, in described
Component is controlled to be electrically connected by the relay resistance and the first DC/DC modules.
Preferably, the middle control component is STC89C52 single chip.
Preferably, further include the display feedback component shown for data, the display feedback component and the middle control group
Part is electrically connected and is controlled by it.
Preferably, the display feedback component is LCD1602 displays.
Compared with prior art, the protrusion effect of the utility model is：The utility model is ensured by the way of automation
The automatic adjustment and matching of charging voltage, realize the full-automatic switching of charging, electric discharge, effectively extend in road lamp system
The service life of each component in road lamp system, it is ensured that the stable operation of road lamp system.Meanwhile being automated in the utility model
Adjustment mode also eliminates institute's maloperation that may be present during manual work, and it is accurate in operating process not only to improve
Property, and further ensure the using effect of the utility model.In addition, the utility model can be by existing component
Combination is connected and is obtained, and system assembly cost is relatively low, is provided the foundation for its subsequent large-scale promotion.
In conclusion the utility model high degree of automation, using effect is notable, specifically very high use and promotion price
Value.
Just attached drawing in conjunction with the embodiments below, is described in further detail specific embodiment of the present utility model, so that this
Utility model technical solution is more readily understood, grasps.
Description of the drawings
Fig. 1 is the system structure diagram of the utility model.
Specific implementation mode
As shown in Figure 1, the utility model discloses one kind in photovoltaic module application system, realization solar street light charge and discharge
The solar street light charge-discharge control system that electricity condition adjusts in time.
A kind of solar street light charge-discharge control system, including load, photovoltaic module and accumulator, three electrically connect
It connects, further includes being electrically connected, with the photovoltaic module and the accumulator for acquiring the photovoltaic module and the accumulator
The voltage acquisition component of voltage for receiving acquired information of voltage and make the middle control component of respective feedback, and is used for
Realize the voltage adjusting assembly that the photovoltaic module output voltage is adjusted, the voltage acquisition component and the voltage adjusting assembly
It is electrically connected with the middle control component and interacts feedback.
The voltage acquisition component includes analog-digital converter, the analog-digital converter respectively with the photovoltaic module, described
Accumulator and the middle control component are electrically connected.
In the present embodiment, the analog-digital converter is ADC0809 converters.
The voltage adjusting assembly includes DC/DC modules, relay module and relay resistance, the DC/DC modules
Including the first DC/DC modules and the 2nd DC/DC modules, the relay module includes the first relay and the second relay.
This system is used cooperatively by middle control component, relay module and relay resistance three's, and tradition is substituted
DC/DC moulds manual potentiometer in the block, to realize the automatic adjustment of voltage.Different voltage requests can be adjusted and connect
Enter the mode of resistance sizes to realize.In the present embodiment, a starting resistance and four outer connecting resistances are provided with, difference is passed through
The combination of resistance is, it can be achieved that 15 step-lengths, the voltage regulative mode of 0.15V are increased per step-length so that DC/DC module output voltages
It is adjustable between 12V-14.25V, it is selected so that accumulator charges.
In the technical scheme, the relay module be similar to one switch, type be divided into it is normally opened and two kinds normally closed, when
Relay can change state when having high level to flow through.
Specifically, the first DC/DC modules are electrically connected with first relay, the two is set to the photovoltaic
Between component and the accumulator.2nd DC/DC modules are electrically connected with second relay, the two is set to the electric power storage
Between pond and the load.
First relay and second relay are electrically connected with the middle control component, and the middle control component is logical
The relay resistance is crossed to be electrically connected with the first DC/DC modules.
In the present embodiment, the middle control component is STC89C52 single chip.
In addition to above-mentioned component, this system further includes the display feedback component shown for data, the display feedback component
It is electrically connected and is controlled by it with the middle control component.
In the present embodiment, the display feedback component is LCD1602 displays.
Judgement flow when the operation principle of the utility model described briefly below and its operation：
System acquires the voltage of photovoltaic module first, judges daytime and night, carries out the charging of accumulator daytime, and according to
The existing voltage of accumulator is judged, fast charge early period and the mode of later stage floating charge is taken to prevent over-charging of battery, specific to charge
Voltage is the output voltage of the first DC/DC modules after automatic adjustment, and voltage-regulation principle is fairly simple, passes through external relay resistance generation
For original manual adjusting potentiometer, partial pressure mode is taken to carry out the adjusting of voltage.System carries out the electric discharge of accumulator at night,
The voltage matches of accumulator and load are mainly in view of, the tune for carrying out voltage by the 2nd DC/DC modules adjusted is needed
It saves, ability powering load, the depth of discharge problem of accumulator is considered in power supply process, at this equally to the voltage of accumulator
It is acquired, when voltage is smaller, disconnects the switch of electric discharge relay module in time, prevent accumulator from crossing and put.
The system flow of the utility model includes mainly the charge and discharge strategy of the utility model, herein with the lead of 12V
The photovoltaic module of acid accumulator, the street lamp of 12V5W, system voltage more than 15V illustrates for embodiment.Vpv is photovoltaic in figure
Assembly circuit exit potential, Vbat are battery tension, and Vdc is accumulator fast charge voltage, and V ' dc are battery floating charge pressure, Kc
For synchronous coefficient.During system operation, the fast charge voltage Vdc of accumulator is Vbat+1V, and battery floating charge pressure is
13.8V, it is 11V to put a blanking voltage.The utility model ensure that charging voltage in road lamp system by the way of automation
It automatically adjusts and matches, realize the full-automatic switching of charging, electric discharge, effectively extend the use of each component in road lamp system
Service life, it is ensured that the stable operation of road lamp system.Meanwhile the adjustment mode automated in the utility model also eliminates artificial work
Institute's maloperation that may be present, not only improves the accuracy in operating process, but also further ensure this reality during industry
With novel using effect.In addition, the utility model can be obtained by combination, connection to existing component, system dress
With advantage of lower cost, provide the foundation for its subsequent large-scale promotion.
In conclusion the utility model high degree of automation, using effect is notable, specifically very high use and promotion price
Value.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit and essential characteristics of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein, and should not any reference numeral in claim be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (10)
1. a kind of solar street light charge-discharge control system, including load, photovoltaic module and accumulator, three is electrically connected,
It is characterized in that：Further include being electrically connected, with the photovoltaic module and the accumulator for acquiring the photovoltaic module and institute
The voltage acquisition component for stating battery tension, for receiving acquired information of voltage and making the middle control component of respective feedback,
And the voltage adjusting assembly adjusted for realizing the photovoltaic module output voltage, the voltage acquisition component and the voltage
Adjusting part is electrically connected with the middle control component and interacts feedback.
2. solar street light charge-discharge control system according to claim 1, it is characterised in that：The voltage acquisition component
Including analog-digital converter, the analog-digital converter is electric with the photovoltaic module, the accumulator and the middle control component respectively
Property connection.
3. solar street light charge-discharge control system according to claim 2, it is characterised in that：The analog-digital converter is
ADC0809 converters.
4. solar street light charge-discharge control system according to claim 1, it is characterised in that：The voltage adjusting assembly
Including DC/DC modules, relay module and relay resistance, the DC/DC modules include the first DC/DC modules and second
DC/DC modules, the relay module include the first relay and the second relay.
5. solar street light charge-discharge control system according to claim 4, it is characterised in that：The first DC/DC moulds
Block and first relay are electrically connected, the two is set between the photovoltaic module and the accumulator.
6. solar street light charge-discharge control system according to claim 4, it is characterised in that：2nd DC/DC modules with
Second relay is electrically connected, the two is set between the accumulator and the load.
7. solar street light charge-discharge control system according to claim 4, it is characterised in that：First relay and
Second relay is electrically connected with the middle control component, and the middle control component passes through the relay resistance and described the
One DC/DC modules are electrically connected.
8. solar street light charge-discharge control system according to claim 1, it is characterised in that：The middle control component is
STC89C52 single chip.
9. solar street light charge-discharge control system according to claim 1, it is characterised in that：Further include aobvious for data
The display feedback component shown, the display feedback component are electrically connected and are controlled by it with the middle control component.
10. solar street light charge-discharge control system according to claim 9, it is characterised in that：The display feedback group
Part is LCD1602 displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721750908.XU CN208078721U (en) | 2017-12-15 | 2017-12-15 | Solar street light charge-discharge control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721750908.XU CN208078721U (en) | 2017-12-15 | 2017-12-15 | Solar street light charge-discharge control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078721U true CN208078721U (en) | 2018-11-09 |
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| CN201721750908.XU Active CN208078721U (en) | 2017-12-15 | 2017-12-15 | Solar street light charge-discharge control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565944A (en) * | 2017-12-15 | 2018-09-21 | 中建材浚鑫科技有限公司 | Solar street light charge-discharge control system |
-
2017
- 2017-12-15 CN CN201721750908.XU patent/CN208078721U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565944A (en) * | 2017-12-15 | 2018-09-21 | 中建材浚鑫科技有限公司 | Solar street light charge-discharge control system |
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