CN214381489U - Solar lamp automatic control circuit and solar lamp - Google Patents
Solar lamp automatic control circuit and solar lamp Download PDFInfo
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- CN214381489U CN214381489U CN202023231024.8U CN202023231024U CN214381489U CN 214381489 U CN214381489 U CN 214381489U CN 202023231024 U CN202023231024 U CN 202023231024U CN 214381489 U CN214381489 U CN 214381489U
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Abstract
The utility model relates to the field of lighting technology, a solar lamp automatic control circuit and solar lamp is provided, above-mentioned control circuit includes: the voltage detection module, the first switch module, the second switch module, the first resistor, the second resistor and the one-way conduction element; the voltage detection module is used for detecting the voltage of the solar panel and controlling the on-off of the first switch module according to the detected voltage of the solar panel. When the light is strong enough, the output voltage of the solar panel is high, the voltage detection module controls the first switch module to be switched on, the second switch module is switched off, and the light source does not emit light; along with light weakens, solar panel's output voltage reduces, and when voltage detection module detected solar panel's output voltage and was less than preset voltage, control first switch module disconnection, the second switch module switched on, and the light source is luminous. The utility model discloses can open or close according to light control solar lamp is automatic, circuit structure is simple, need not to use photosensitive element, and is with low costs.
Description
Technical Field
The utility model belongs to the technical field of the illumination, especially, relate to a solar lamp automatic control circuit and solar lamp.
Background
Along with the improvement of intelligent level, outdoor lighting lamp sets up automatic function of opening more, and the illumination lamps and lanterns are automatic to be opened when outdoor light is less than certain level.
In the prior art, the photosensitive automatic starting function of the lighting lamp is generally realized by arranging the photosensitive element, the control circuit structure is complex, and the photosensitive element is high in cost.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a solar lamp automatic control circuit and solar lamp to solve among the prior art through the photosensitive element control illumination lamps and lanterns the sensitization is automatic to be opened, control circuit structure is complicated, photosensitive element is with high costs problem.
The embodiment of the utility model provides a first aspect provides a solar lamp automatic control circuit, include: the voltage detection module, the first switch module, the second switch module, the first resistor, the second resistor and the one-way conduction element;
the input end of the voltage detection module is connected with the anode of the one-way conduction element, the input end of the voltage detection module is also used for being connected with the anode of the solar panel, and the output end of the voltage detection module is connected with the control end of the first switch module;
the first end of the first switch module is respectively connected with the second end of the first resistor, the first end of the second resistor and the control end of the second switch module, and the second end of the first switch module is grounded;
the first end of the first resistor is connected with the negative electrode of the unidirectional conducting element, and the first end of the first resistor is also used for being respectively connected with the positive electrode of the storage battery and the positive electrode of the light source;
the first end of the second switch module is connected with the negative electrode of the light source, and the second end of the second switch module is grounded;
the second end of the second resistor, the negative electrode of the storage battery and the negative electrode of the solar panel are all grounded;
the voltage detection module is used for detecting the voltage of the solar panel and controlling the on-off of the first switch module according to the detected voltage of the solar panel.
Optionally, the voltage detection module includes: a third resistor and a fourth resistor;
and the first end of the third resistor is connected with the input end of the voltage detection module, the second end of the third resistor is connected with the output end of the voltage detection module, and the second end of the third resistor is grounded through a fourth resistor.
Optionally, the first switch module includes: a first switch tube;
the first end of the first switch tube is connected with the first end of the first switch module, the second end of the first switch tube is connected with the second end of the first switch module, and the control end of the first switch module is connected with the control end of the first switch module.
Optionally, the first switch tube is an NMOS tube.
Optionally, the second switch module includes: a second switching tube;
and the first end of the second switch tube is connected with the first end of the second switch module, the second end of the second switch tube is connected with the second end of the second switch module, and the control end of the second switch tube is connected with the control end of the second switch module.
Optionally, the second switch tube is an NMOS tube.
Optionally, the solar lamp automatic control circuit further comprises: a fifth resistor;
the negative electrode of the light source is connected with the first end of the second switch module through a fifth resistor; or
The second end of the second switch module is grounded through a fifth resistor; or
And the anode of the light source is respectively connected with the first end of the first resistor, the cathode of the unidirectional conducting element and the anode of the storage battery through a fifth resistor.
Optionally, the unidirectional conducting element is a diode.
The embodiment of the utility model provides a second aspect provides a solar lamp, include: battery, solar panel, light source reach if the embodiment of the utility model provides an arbitrary kind solar lamp automatic control circuit in the first aspect.
The embodiment of the utility model provides a solar lamp automatic control circuit, include: the voltage detection module, the first switch module, the second switch module, the first resistor, the second resistor and the one-way conduction element; the voltage detection module is used for detecting the voltage of the solar panel and controlling the on-off of the first switch module according to the detected voltage of the solar panel. When the light is strong enough, the output voltage of the solar panel is high, the voltage detection module controls the first switch module to be switched on, the second switch module is switched off, and the light source does not emit light; along with light weakens, solar panel's output voltage reduces, and the output voltage who detects solar panel when voltage detection module controls first switch module disconnection when being less than preset voltage, and then second switch module switches on, and the light source is luminous. The embodiment of the utility model provides a need not to set up photosensitive element and can realize that the automation of solar lamp is opened or is closed according to the current light condition, circuit structure is simple, does not use photosensitive element, and is with low costs.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 without inventive labor.
Fig. 1 is a schematic circuit structure diagram of an automatic control circuit of a solar lamp provided in an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an automatic control circuit of a solar lamp according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Referring to fig. 1, an embodiment of the present invention provides a solar lamp automatic control circuit, including: the voltage detection module 11, the first switch module 12, the second switch module 13, the first resistor R1, the second resistor R2 and the unidirectional conducting element D1;
the input end of the voltage detection module 11 is connected with the positive electrode of the unidirectional conducting element D1, the input end of the voltage detection module is also used for being connected with the positive electrode VCC of the solar panel, and the output end of the voltage detection module is connected with the control end of the first switch module 12;
a first switch module 12, a first end of which is connected to the second end of the first resistor R1, the first end of the second resistor R2 and the control end of the second switch module 13, respectively, and a second end of which is grounded;
a first resistor R1, having a first end connected to the negative electrode of the unidirectional conducting element D1, and a first end further connected to the positive electrode of the battery BAT and the positive electrode of the light source LED, respectively;
a first end of the second switch module 13 is connected with the cathode of the light source LED, and a second end is grounded;
the second end of the second resistor R2, the negative electrode of the battery BAT and the negative electrode of the solar panel are all grounded;
the voltage detection module 11 is configured to detect a voltage of the solar panel, and control the first switch module 12 to be turned on or off according to the detected voltage of the solar panel.
Because the output voltage of the solar panel is related to light, within a certain range, the stronger the light is, the larger the output voltage of the solar panel is; conversely, the weaker the light, the lower the output voltage of the solar panel. When the voltage detection module 11 detects that the output voltage of the solar panel is greater than the preset voltage, it indicates that the light is strong at the moment, and the light does not need to be turned on, the voltage detection module 11 controls the first switch module 12 to be turned on, the voltage at the control end of the second switch module 13 is pulled down, the second switch module 13 is turned off, and the light source LED does not emit light; at this time, the output voltage of the solar panel is greater than the voltage of the battery BAT, the one-way conduction element D1 is conducted in the forward direction, and the solar panel charges and stores energy for the battery BAT. When the voltage detection module 11 detects that the output voltage of the solar panel is smaller than the preset voltage, it indicates that the light is weak at the moment and needs to be turned on, the voltage detection module 11 controls the first switch module 12 to be turned off, the voltage at the control end of the second switch module 13 is a high level, the second switch module 13 is turned on, and the light source LED emits light. At this time, the output voltage of the solar panel is smaller than the voltage of the storage battery BAT, the one-way conduction element D1 is cut off in the reverse direction, and the storage battery BAT supplies power to the light source LED. The embodiment of the utility model provides a solar lamp automatic control circuit need not to set up photosensitive element and can realize the sensitization, opens or closes according to the automation of current light condition control solar lamp, and circuit structure is simple, convenient and practical, does not use photosensitive element, and is with low costs.
The value of the preset voltage can be set according to actual requirements.
In some embodiments, referring to fig. 2, the voltage detection module 11 may include: a third resistor R3 and a fourth resistor R4;
and a first end of the third resistor R3 is connected to the input end of the voltage detection module 11, a second end of the third resistor R3 is connected to the output end of the voltage detection module 11, and the second end of the third resistor R3 is also grounded through the fourth resistor R4.
The third resistor R3 and the fourth resistor R4 divide the voltage to realize the detection of the output voltage of the solar panel. The preset voltage can be adjusted by adjusting the resistances of the third resistor R3 and the fourth resistor R4.
In some embodiments, referring to fig. 2, the first switch module 12 may include: a first switching tube Q1;
a first switch tube Q1, having a first end connected to the first end of the first switch module 12, a second end connected to the second end of the first switch module 12, and a control end connected to the control end of the first switch module 12.
In some embodiments, the first switch transistor Q1 may be an NMOS transistor.
In some embodiments, referring to fig. 2, the second switch module 13 may include: a second switching tube Q2;
and a second switch tube Q2, having a first end connected to the first end of the second switch module 13, a second end connected to the second end of the second switch module 13, and a control end connected to the control end of the second switch module 13.
In some embodiments, the second switch transistor Q2 may be an NMOS transistor.
In some embodiments, referring to fig. 2, the solar powered light automatic control circuit may further comprise: a fifth resistor R5;
the cathode of the light source LED is connected to the first end of the second switch module 13 through a fifth resistor R5; or
The second end of the second switch module 13 is grounded through a fifth resistor R5; or
The anode of the light source LED is connected to the first end of the first resistor R1, the cathode of the unidirectional conductive element D1, and the anode of the battery BAT through a fifth resistor R5.
The fifth resistor R5 is a current limiting resistor to prevent the light source LED from being damaged by overlarge current.
In some embodiments, the unidirectional conducting element D1 may be a diode.
The principle of the solar lamp automatic control circuit provided by the above embodiment is explained in detail with reference to fig. 2;
when light is strong, the output voltage of the solar panel is high, the voltage at the connection point of the third resistor R3 and the fourth resistor R4 is high, the high level of the grid of the first switch tube Q1 is switched on, the low level of the grid of the second switch tube Q2 is switched off in a grounding mode, and the light source LED does not emit light. Meanwhile, the output voltage of the solar panel is greater than the voltage of the storage battery BAT, the one-way conduction element D1 is conducted in the forward direction, and the solar panel charges and stores energy for the storage battery BAT.
When light is darker, the output voltage of the solar panel is lower, the voltage at the connection point of the third resistor R3 and the fourth resistor R4 is lower, the grid low level of the first switch tube Q1 is disconnected, the voltage of the first resistor R1 and the second resistor R2 is divided, the grid high level of the second switch tube Q2 is connected, and the light source LED emits light. Meanwhile, the output voltage of the solar panel is smaller than the voltage of the storage battery BAT, the one-way conduction element D1 is cut off reversely, and the storage battery BAT supplies power to the light source LED.
Therefore, automatic photosensitive control of the solar lamp is realized, and the solar lamp is simple and practical.
Corresponding to any kind of above-mentioned solar lamp automatic control circuit, the embodiment of the utility model provides a solar lamp is still provided, and this solar lamp includes: the battery BAT, the solar panel, the light source LED and any one of the solar lamp automatic control circuits have the advantages of the solar lamp automatic control circuit, and the description is omitted here.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (9)
1. An automatic control circuit for a solar lamp, comprising: the voltage detection module, the first switch module, the second switch module, the first resistor, the second resistor and the one-way conduction element;
the input end of the voltage detection module is connected with the anode of the one-way conduction element, the input end of the voltage detection module is also used for being connected with the anode of the solar panel, and the output end of the voltage detection module is connected with the control end of the first switch module;
the first end of the first switch module is respectively connected with the second end of the first resistor, the first end of the second resistor and the control end of the second switch module, and the second end of the first switch module is grounded;
the first end of the first resistor is connected with the negative electrode of the unidirectional conducting element, and the first end of the first resistor is also used for being respectively connected with the positive electrode of the storage battery and the positive electrode of the light source;
the first end of the second switch module is connected with the negative electrode of the light source, and the second end of the second switch module is grounded;
the second end of the second resistor, the negative electrode of the storage battery and the negative electrode of the solar panel are all grounded;
the voltage detection module is used for detecting the voltage of the solar panel and controlling the first switch module to be switched on or switched off according to the detected voltage of the solar panel.
2. The solar-powered light automatic control circuit of claim 1, wherein the voltage detection module comprises: a third resistor and a fourth resistor;
and the first end of the third resistor is connected with the input end of the voltage detection module, the second end of the third resistor is connected with the output end of the voltage detection module, and the second end of the third resistor is grounded through the fourth resistor.
3. The solar powered light automatic control circuit of claim 1 wherein the first switch module comprises: a first switch tube;
the first end of the first switch tube is connected with the first end of the first switch module, the second end of the first switch tube is connected with the second end of the first switch module, and the control end of the first switch tube is connected with the control end of the first switch module.
4. The automatic control circuit of solar energy lamp as claimed in claim 3, wherein the first switch tube is an NMOS tube.
5. The solar powered light automatic control circuit of claim 1 wherein the second switch module comprises: a second switching tube;
and the first end of the second switch tube is connected with the first end of the second switch module, the second end of the second switch tube is connected with the second end of the second switch module, and the control end of the second switch tube is connected with the control end of the second switch module.
6. The automatic control circuit of solar energy lamp as claimed in claim 5, wherein the second switch tube is an NMOS tube.
7. A solar powered light automatic control circuit as claimed in any of claims 1 to 6 further comprising: a fifth resistor;
the negative electrode of the light source is connected with the first end of the second switch module through the fifth resistor; or
The second end of the second switch module is grounded through the fifth resistor; or
And the anode of the light source is respectively connected with the first end of the first resistor, the cathode of the unidirectional conducting element and the anode of the storage battery through the fifth resistor.
8. A solar powered light automatic control circuit as claimed in any one of claims 1 to 6 wherein the unidirectional conducting element is a diode.
9. A solar powered light, comprising: storage battery, solar panel, light source and solar lamp automatic control circuit as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231024.8U CN214381489U (en) | 2020-12-28 | 2020-12-28 | Solar lamp automatic control circuit and solar lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231024.8U CN214381489U (en) | 2020-12-28 | 2020-12-28 | Solar lamp automatic control circuit and solar lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214381489U true CN214381489U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023231024.8U Active CN214381489U (en) | 2020-12-28 | 2020-12-28 | Solar lamp automatic control circuit and solar lamp |
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| Country | Link |
|---|---|
| CN (1) | CN214381489U (en) |
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- 2020-12-28 CN CN202023231024.8U patent/CN214381489U/en active Active
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