CN220173450U - Street lamp control circuit - Google Patents
Street lamp control circuit Download PDFInfo
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- CN220173450U CN220173450U CN202320229226.3U CN202320229226U CN220173450U CN 220173450 U CN220173450 U CN 220173450U CN 202320229226 U CN202320229226 U CN 202320229226U CN 220173450 U CN220173450 U CN 220173450U
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- street lamp
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- detection circuit
- illumination
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- 238000005286 illumination Methods 0.000 claims abstract description 97
- 238000001514 detection method Methods 0.000 claims abstract description 85
- 238000004891 communication Methods 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a street lamp control circuit, which comprises: the first illumination detection circuit and the second illumination detection circuit are matched with each other to control the street lamp driving circuit, and the first illumination detection circuit and the second illumination detection circuit are respectively arranged at different energy-saving street lamp backlight positions. The utility model synthesizes the test results of the first illumination detection circuit and the second illumination detection circuit to control the street lamp, and avoids the problem that one illumination detection circuit is shielded to cause that the street lamp cannot be controlled based on the scene light condition.
Description
Technical Field
The utility model relates to the field of street lamp design, in particular to a street lamp control circuit.
Background
In order to realize street lamp energy saving, the design direction of a street lamp control circuit mainly has two directions, one direction is used for detecting a lighting demand person, controlling street lamp lighting under the condition that the lighting demand person exists, and the other direction is used for detecting illumination intensity, detecting the illumination intensity through a photosensitive sensor and controlling street lamp brightness according to illumination conditions. An automatic control system and an automatic control method for an LED street lamp are provided in the patent of CN 201210583986.0. The LED street lamp automatic control system comprises a control processing unit, a photosensitive unit, a light intensity analysis unit and an LED illumination unit. The LED lighting unit is arranged below the lampshade of the LED street lamp, and the photosensitive unit is arranged above the lampshade of the LED street lamp, so that light emitted by the LED lighting unit is not sensed by the photosensitive unit. The light sensing unit is used for sensing light and transmitting a sensing light signal which is in light with the sensed light according to the sensed light to the light intensity analysis unit; the light intensity analysis unit analyzes the intensity of the current illumination according to the sensed light signal, and transmits a light intensity signal representing the intensity of the current illumination to the control processing unit. The control processing unit compares the light intensity signal with a first light intensity threshold value, a second light intensity threshold value and a third light intensity threshold value which are sequentially increased. However, the design has defects, and after the photosensitive unit is blocked, the problem that the street lamp cannot be controlled based on the scene light easily occurs.
Disclosure of Invention
In order to solve the technical problems described above or at least partially solve the technical problems described above, the present utility model provides a street lamp control circuit.
The utility model provides a street lamp control circuit, comprising: the first illumination detection circuit and the second illumination detection circuit are matched with each other to control the street lamp driving circuit, and the first illumination detection circuit and the second illumination detection circuit are respectively arranged at different energy-saving street lamp backlight positions.
Furthermore, the first illumination detection circuit and the second illumination detection circuit are connected with the input of an OR gate, and the output of the OR gate is connected with the street lamp driving circuit for controlling the street lamp to be turned on or off.
Further, the first illumination detection circuit and the second illumination detection circuit are connected with a control unit, and the control unit is connected with the street lamp driving circuit for controlling the street lamp to be turned on or off.
Still further, the first illumination detection circuit and the second illumination detection circuit include:
the input end of the comparator is connected with a first voltage dividing circuit which is used for providing reference voltage and is connected between the power supply and the ground in series; the other input end of the comparator is connected with a second voltage dividing circuit for providing an optical signal, the second voltage dividing circuit comprises a photosensitive element and a voltage dividing resistor which are connected in series between a power supply and the ground, the photosensitive element comprises an equivalent photosensitive resistor consisting of the photosensitive resistor, a phototriode and a triode Q, the output end of the comparator is connected with an OR gate, and the OR gate is connected with the street lamp driving circuit.
Still further, the first illumination detection circuit and the second illumination detection circuit include:
the Schmitt trigger consists of a 555 timer, wherein a trigger pin and a threshold pin of the 555 timer are connected with a second voltage dividing circuit, the second voltage dividing circuit comprises a photosensitive element and a voltage dividing resistor which are connected in series between a power supply and the ground, a control pin of the 555 timer is connected with a capacitor C1, an output of the 555 timer is connected with an OR gate, and the OR gate is connected with the street lamp driving circuit.
Further, the first illumination detection circuit and the second illumination detection circuit adopt an illumination sensor, and the illumination sensor is connected with the control unit.
Further, the control unit is connected with a street lamp driving circuit for controlling the switch of the street lamp to be turned off or/and the brightness.
Furthermore, the control unit is connected with the communication unit, and the communication unit adopts any one of a zigbee wireless communication module and a GPRS wireless communication module.
Furthermore, the control unit is connected with the communication unit, and the control unit is connected with the display screen and the warning circuit.
Compared with the prior art, the technical scheme provided by the embodiment of the utility model has the following advantages:
the first illumination detection circuit and the second illumination detection circuit of the street lamp control circuit provided by the utility model are matched to control the street lamp driving circuit, and the first illumination detection circuit and the second illumination detection circuit are respectively arranged at different energy-saving street lamp backlight positions. And the street lamp is controlled by integrating the test results of the first illumination detection circuit and the second illumination detection circuit, so that the problem that one illumination detection circuit is shielded to generate the street lamp cannot be controlled based on scene light is avoided.
In an application scene provided with a control unit, whether shielding occurs can be judged through signal output of the first illumination detection circuit and the second illumination detection circuit, and prompt is timely given when any one of the first illumination detection circuit and the second illumination detection circuit is shielded.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic diagram of a street lamp control circuit according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of another street lamp control circuit according to the present utility model;
FIG. 3 is a schematic diagram of a first illumination detection circuit according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of another first illumination detection circuit according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Referring to fig. 1 and 2 in combination, the present utility model provides a street lamp control circuit, including: the street lamp comprises a first illumination detection circuit and a second illumination detection circuit, wherein the first illumination detection circuit and the second illumination detection circuit are matched to control a street lamp driving circuit, and the first illumination detection circuit and the second illumination detection circuit are arranged at different positions of the street lamp.
In order to realize that the first illumination detection circuit and the second illumination detection circuit are matched to control the street lamp driving circuit, the first illumination detection circuit and the second illumination detection circuit are connected with the input of an OR gate, the output of the OR gate is connected with the street lamp driving circuit for controlling the opening and closing of the street lamp, or the first illumination detection circuit and the second illumination detection circuit are connected with a control unit, and the control unit is connected with the street lamp driving circuit for controlling the opening and closing of the street lamp.
Fig. 1 shows a manner in which the first illumination detection circuit and the second illumination detection circuit are connected to an input of an or gate, and an output of the or gate is connected to a street lamp driving circuit for controlling the street lamp to be turned on or off. Fig. 2 shows a manner in which the first illumination detection circuit and the second illumination detection circuit are connected to the control unit, and the control unit controls the street lamp driving circuit according to the first illumination detection circuit and the second illumination detection circuit.
Specifically, in an implementation manner that the first illumination detection circuit and the second illumination detection circuit are connected to an input of an or gate, and an output of the or gate is connected to a street lamp driving circuit that controls opening and closing of a street lamp, the first feasible first illumination detection circuit and the second illumination detection circuit provided by the embodiment of the utility model include:
the input end of the comparator is connected with a first voltage dividing circuit which is used for providing reference voltage and is connected between the power supply and the ground in series; the other input end of the comparator is connected with a second voltage dividing circuit for providing optical signals, the second voltage dividing circuit comprises a photosensitive element and a voltage dividing resistor which are connected in series between a power supply and the ground, the photosensitive element comprises an equivalent photosensitive resistor consisting of the photosensitive resistor, a phototriode and a triode Q, the output end of the comparator is connected with an OR gate, and the OR gate is connected.
Referring to fig. 3, a first possible first illumination detection circuit includes:
the input end of the comparator U1A is connected with a resistor R1 and a resistor R2 which are used for providing reference voltage and are connected between a power supply and the ground in series; the other input end of the comparator U1A is connected to a photo-sensitive element and a resistor R3 connected in series between a power supply and ground and used for providing an optical signal, the photo-sensitive element in this embodiment includes an equivalent photo-sensitive resistor composed of a photo-sensitive resistor, a photo-transistor and a transistor Q, the photo-transistor X1 shown in fig. 2 is arranged at the base of the transistor Q1, and the photo-transistor X3 changes the equivalent resistance between the emitter and the collector of the transistor Q1 according to the current generated by illumination; the output end of the comparator U1A is connected with one input of the OR gate.
A first possible second illumination detection circuit includes:
the input end of the comparator U2A is connected with a resistor R5 and a resistor R6 which are used for providing reference voltage and are connected between a power supply and the ground in series; the other input end of the comparator U12A is connected with a photosensitive element and a resistor R7 which are connected in series between a power supply and the ground and used for providing an optical signal; the output end of the comparator U2A is connected with the other input end of the OR gate.
The or gate includes: the diode D1 and the diode D2 are connected with a resistor R4 which is grounded, and the N poles of the diode D1 and the diode D2 are connected with the resistor R4. The output end of the comparator U1A is connected with the P pole of the diode D1, and the output end of the comparator U2A is connected with the P pole of the diode D2. And the non-grounding end of the resistor R4 is connected with the street lamp driving circuit. As a preferred implementation manner, the resistor R4 may be replaced by a capacitor with an adaptive specification, and the capacitor may play a role of buffering, so as to avoid the situation that the street lamp is immediately turned off and turned back on when the first light detection circuit and the second light detection circuit are temporarily shielded at the same time.
The street lamp driving circuit comprises a triode Q2, wherein a base electrode of the triode Q2 is connected between a resistor R8 and a resistor R9 which are connected in series, the resistor R8 and the resistor R9 are connected between a power supply and a non-grounding end of the resistor R4 in series, an emitter electrode and a collector electrode of the triode Q2 are connected between the power supply and a coil of a relay K1, the coil of the relay K1 is grounded, and a contact of the relay K1 is arranged in a street lamp loop.
In the above embodiments, the first light detecting circuit, the second light detecting circuit, and the street lamp driving circuit are merely exemplary. Other forms of circuit structures may also be employed. The second feasible first illumination detection circuit and the second illumination detection circuit provided by the embodiment of the utility model comprise:
the Schmitt trigger consists of a 555 timer, wherein a trigger pin and a threshold pin of the 555 timer are connected with a second voltage dividing circuit, the second voltage dividing circuit comprises a photosensitive element and a voltage dividing resistor which are connected in series between a power supply and the ground, a control pin of the 555 timer is connected with a capacitor C1, an output of the 555 timer is connected with an OR gate, and the OR gate is connected with the street lamp driving circuit.
As shown in fig. 4, a second possible first illumination detection circuit includes:
the Schmitt trigger composed of a 555 timer U2A, wherein a trigger pin and a threshold pin of the 555 timer U2A are connected between a photosensitive element and a resistor R10 through a resistor R11, the photosensitive element and the resistor R10 are connected between a power supply and the ground in series, the photosensitive element is an equivalent photosensitive resistor composed of a phototriode and a triode in FIG. 4, a phototriode X3 is arranged on a base electrode of the triode Q3, and the equivalent resistance between an emitter and a collector of the triode Q3 is changed by the phototriode X3 according to current generated by illumination. The control pin of 555 timer U2A connects electric capacity C1.
A second possible second light detection circuit includes: the Schmitt trigger consists of a 555 timer U2B, wherein a trigger pin and a threshold pin of the 555 timer U2B are connected between a photosensitive element and a resistor R13 through a resistor R12, the photosensitive element and the resistor R13 are connected between a power supply and the ground in series, and a control pin of the 555 timer U2B is connected with a capacitor C3. Because the output of the 555 timer can be directly matched with a relay, the or gate comprises a diode D3 and a diode D4, wherein N poles of the diode D3 and the diode D4 are connected together, and the N poles of the diode D3 and the diode D4 are connected to serve as the relay of the street lamp driving circuit.
In an embodiment in which the first illumination detection circuit and the second illumination detection circuit are connected to the control unit, preferably, the first illumination detection circuit and the second illumination detection circuit use an illumination sensor, and the control unit is connected to a street lamp driving circuit for controlling the switch of the street lamp to be turned off or/and brightness. The illuminance sensor can detect more accurate illumination conditions, the control unit can control the brightness of the street lamp through the street lamp driving circuit based on the illumination conditions, and accordingly, one feasible street lamp driving circuit adopts a PWM driving circuit. Furthermore, the control unit is connected with the communication unit, and the control unit is connected with the display screen and the warning circuit. The communication unit adopts any one of a zigbee wireless communication module and a GPRS wireless communication module. In an embodiment in which the first illumination detection circuit and the second illumination detection circuit are connected to the control unit, the control unit verifies illuminance conditions detected by the first illumination detection circuit and the second illumination detection circuit in the same time period to determine whether the first illumination detection circuit and the second illumination detection circuit are blocked. And under the condition of shielding, a shielding alarm is timely sent to a remote control console for managing the street lamp through the communication unit, maintenance is reminded, and the warning circuit is used for warning.
In the embodiments provided in the present utility model, it should be understood that the disclosed structure may be implemented in other manners. For example, the structural embodiments described above are merely illustrative, and for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via interfaces, structures or units, which may be in electrical, mechanical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present utility model may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A street lamp control circuit, comprising: the first illumination detection circuit and the second illumination detection circuit are matched with each other to control the street lamp driving circuit, and the first illumination detection circuit and the second illumination detection circuit are respectively arranged at different energy-saving street lamp backlight positions.
2. The street lamp control circuit of claim 1, wherein the first illumination detection circuit and the second illumination detection circuit are connected to inputs of an or gate, and an output of the or gate is connected to the street lamp driving circuit that controls turning on and off of a street lamp.
3. The streetlight control circuit of claim 1, wherein the first illumination detection circuit and the second illumination detection circuit are connected to a control unit, and the control unit is connected to the streetlight driving circuit for controlling the on/off of the streetlight.
4. A street lamp control circuit as claimed in claim 2 or 3, wherein the first and second illumination detection circuits comprise:
the input end of the comparator is connected with a first voltage dividing circuit which is used for providing reference voltage and is connected between the power supply and the ground in series; the other input end of the comparator is connected with a second voltage dividing circuit for providing optical signals, the second voltage dividing circuit comprises a photosensitive element and a voltage dividing resistor which are connected in series between a power supply and the ground, the photosensitive element comprises an equivalent photosensitive resistor formed by the photosensitive resistor, a phototriode and a triode Q, the output end of the comparator is connected with an OR gate, and the OR gate is connected with the street lamp driving circuit.
5. A street lamp control circuit as claimed in claim 2 or 3, wherein the first and second illumination detection circuits comprise:
the Schmitt trigger consists of a 555 timer, wherein a trigger pin and a threshold pin of the 555 timer are connected with a second voltage dividing circuit, the second voltage dividing circuit comprises a photosensitive element and a voltage dividing resistor which are connected in series between a power supply and the ground, a control pin of the 555 timer is connected with a capacitor C1, an output of the 555 timer is connected with an OR gate, and the OR gate is connected with the street lamp driving circuit.
6. The street lamp control circuit of claim 3, wherein the first and second illumination detection circuits employ an illumination sensor, the illumination sensor being coupled to the control unit.
7. The street lamp control circuit of claim 6, wherein the control unit is connected to a street lamp driving circuit for controlling the turn-off or/and brightness of a street lamp switch.
8. The street lamp control circuit according to claim 3, wherein the control unit is connected to a communication unit, and the communication unit adopts any one of zigbee wireless communication module and GPRS wireless communication module.
9. A street lamp control circuit as claimed in claim 3, characterized in that the control unit is connected to a communication unit, the control unit being connected to a display screen and a warning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320229226.3U CN220173450U (en) | 2023-02-14 | 2023-02-14 | Street lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320229226.3U CN220173450U (en) | 2023-02-14 | 2023-02-14 | Street lamp control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220173450U true CN220173450U (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320229226.3U Active CN220173450U (en) | 2023-02-14 | 2023-02-14 | Street lamp control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220173450U (en) |
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2023
- 2023-02-14 CN CN202320229226.3U patent/CN220173450U/en active Active
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