CN216905030U - Intelligent camera with energy-saving control function - Google Patents
Intelligent camera with energy-saving control function Download PDFInfo
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- CN216905030U CN216905030U CN202220107514.7U CN202220107514U CN216905030U CN 216905030 U CN216905030 U CN 216905030U CN 202220107514 U CN202220107514 U CN 202220107514U CN 216905030 U CN216905030 U CN 216905030U
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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
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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Abstract
The utility model discloses an intelligent camera with energy-saving control, which comprises a camera, a power supply battery, a power-off control circuit and a sound detection circuit, wherein the power supply battery is connected with an input power supply to charge a battery through the power supply battery; the power supply battery is connected with the camera through the power-off control circuit so as to carry out power on or off control on the camera when detecting that the input power supply is powered off; the sound detection circuit is connected with the power-off control circuit and used for detecting sound and controlling the power supply and conduction of the camera through the power-off control circuit when a sound signal is detected. Therefore, after the input power supply is powered off, the power-off control circuit can be awakened by the sound detection circuit to continuously supply power for the camera within the set time. Therefore, in a relatively quiet indoor environment, even if the indoor environment is disconnected, safety monitoring can be well achieved, and the indoor environment monitoring system has good practicability.
Description
Technical Field
The utility model relates to the technical field of cameras, in particular to an intelligent camera with energy-saving control.
Background
In a monitoring system, image signals are usually acquired through a camera, and the camera is usually relatively high in power. Therefore, the camera needs to be continuously powered by the power supply. However, when a sudden power failure occurs, the camera may not operate because of the absence of a power supply. Although the subsequent power supply for the camera after power failure can be provided by the battery. However, the battery is usually relatively limited in power, and cannot provide continuous power supply all day long, and the practicability is poor, so that the battery is not adopted as the continuous power supply of the camera in the prior art.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the utility model aims to provide an intelligent camera with energy-saving control.
In order to achieve the above object, according to an embodiment of the present invention, an intelligent camera with energy-saving control includes:
a camera;
the power supply battery is connected with an input power supply so as to charge the battery through the power supply battery;
the power supply battery is connected with the camera through the power supply control circuit so as to carry out power on or off control on the camera when detecting that the input power supply is powered down;
the sound detection circuit is connected with the power-off control circuit and used for detecting sound and controlling the power supply and conduction of the camera through the power-off control circuit when a sound signal is detected.
Further, according to an embodiment of the present invention, the power outage control circuit includes:
a MOS transistor Q2, a source of the MOS transistor Q2 is connected to the power supply battery, a drain of the MOS transistor Q2 is connected to the camera, a gate of the MOS transistor Q2 is connected to a source of the MOS transistor Q2 through a resistor R2, the gate of the MOS transistor Q2 is further connected to one end of a resistor R3, the other end of the resistor R3 is connected to one end of a resistor R4, and the other end of the resistor R4 is connected to a reference ground;
and the power failure detection circuit is respectively connected with the input power supply and the other end of the resistor R3 so as to detect that the MOS transistor Q2 is controlled to be disconnected through the resistor R3 when the input power supply is powered down.
Further, according to an embodiment of the present invention, the power outage detection circuit includes:
a MOS transistor Q4, the gate of the MOS transistor Q4 is connected to one end of a resistor R21, the other end of the resistor R21 is connected to the input power supply, the drain of the MOS transistor Q4 is connected to a pull-up power source VCC through a resistor R8, the source of the MOS transistor Q4 is connected to a ground reference, and the source of the MOS transistor Q4 is further connected to the gate of the MOS transistor Q4 through a resistor R20; the drain of the MOS transistor Q4 is also connected to the other end of the resistor R3.
Further, according to an embodiment of the present invention, the power down detection circuit further includes:
the resistor R9, the other end of the resistor R21 is connected with the input power supply through the resistor R9; one end of the resistor R9 is connected with the other end of the resistor R21, and the other end of the resistor R9 is connected with the input power supply;
a resistor R10, one end of the resistor R10 being connected to the one end of the resistor R9, the other end of the resistor R10 being connected to a reference ground.
Further, according to an embodiment of the present invention, the power down detection circuit further includes:
a capacitor C5, one end of the capacitor C5 is connected with the one end of the resistor R10, and the other end of the capacitor C5 is connected with a reference ground;
a zener diode D4, a cathode of the zener diode D4 being connected to the one end of the resistor R10, and an anode of the zener diode D4 being connected to a ground reference.
Further, according to an embodiment of the present invention, the sound detection circuit includes:
a microphone M1;
and the audio signal output end of the microphone M1 is connected with the timing end of the timer U2, the timing output end of the timer U2 is connected with the grid electrode of the MOS transistor Q4, and power supply control is performed on the camera through a power-off control circuit within set timing time after the microphone M1 detects a sound signal.
Further, according to an embodiment of the present invention, the sound detection circuit further includes:
an audio signal output end of the microphone M1 is connected with a timing end of the timer U2 through the operational amplifier U3; the audio signal output end of the microphone M1 is connected to one end of a resistor R13, the other end of the resistor R13 is connected to the negative input end of the operational amplifier U3, the positive input end of the operational amplifier U3 is connected to one end of a resistor R14, the other end of the resistor R14 is connected to the ground, the positive input end of the operational amplifier U3 is further connected to one end of a resistor R15, the other end of the resistor R15 is connected to the power supply, and the audio signal output end of the microphone M1 is further connected to the pull-up power supply through a resistor R12.
Further, according to an embodiment of the present invention, the sound detection circuit further includes:
a variable resistor RX1, one end of the variable resistor RX1 is connected with a power supply, and the other end of the variable resistor RX1 is connected with the negative input end of the operational amplifier U3.
Further, according to an embodiment of the present invention, the intelligent camera with energy-saving control further includes a charging circuit, and the power supply battery is connected to the input power supply through the charging circuit to charge the power supply battery and supply power to the camera.
Further, according to an embodiment of the present invention, the charging circuit includes:
a MOS transistor Q1, the source of the MOS transistor Q1 is connected with the input power supply;
a diode D1, the anode of the diode D1 being connected to the drain of the MOS transistor Q1, the cathode of the diode D1 being connected to the power supply battery;
and a charging control end of the charging controller U1, wherein a charging control end of the charging controller U1 is connected with a grid electrode of the MOS transistor Q1, so that the charging of the power supply battery is controlled through the MOS transistor Q1.
The intelligent camera with the energy-saving control function is connected with an input power supply through a power supply battery so as to charge the battery through the power supply battery; the power supply battery is connected with the camera through the power-off control circuit so as to carry out power on or off control on the camera when detecting that the input power supply is powered off; the sound detection circuit is connected with the power-off control circuit and used for detecting sound and controlling the power supply and conduction of the camera through the power-off control circuit when a sound signal is detected. Therefore, after the input power supply is powered off, the power-off control circuit can be awakened by the sound detection circuit to continuously supply power to the camera within the set time. Therefore, in a relatively quiet indoor environment, even if the indoor environment is disconnected, safety monitoring can be well achieved, and the indoor environment monitoring system has good practicability.
Drawings
FIG. 1 is a circuit diagram of an intelligent camera with energy-saving control according to an embodiment of the present invention; reference numerals:
the objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, an embodiment of the present invention provides an intelligent camera with energy saving control, including: the device comprises a camera, a power supply battery, a power-off control circuit and a sound detection circuit, wherein the power supply battery is connected with an input power supply so as to charge the battery through the power supply battery; the power supply can be introduced through the input power supply, and the power supply battery can be charged through the charging circuit while the camera is powered.
The power supply battery is connected with the camera through the power-off control circuit so as to detect that the power supply of the input power supply is cut off and control the on or off of the power supply of the camera; that is, the power-off control circuit is provided between the setting head and the power supply battery, and the power supply state of the input power source can be detected by the power-off control circuit. When the input power supply supplies power normally, the power-off control circuit is in a conducting state, supplies power to the camera through the input power supply and charges a power supply battery. When the input power supply is powered off, the power-off control circuit disconnects the power supply channel between the power supply battery and the camera when detecting that the input power supply is in a power-off state. After the input power supply is cut off, the camera quickly consumes the power supply of the power supply battery.
The sound detection circuit is connected with the power-off control circuit and used for detecting sound and controlling power supply and conduction of the camera through the power-off control circuit when a sound signal is detected. The sound detection circuit can detect the sound signals of the surrounding environment of the camera. Particularly in monitoring locations where the environment is relatively quiet. Such as a home environment or other building environment. The presence or absence of personnel activity in or around the monitored area can be detected by the sound detection circuit. When personnel move in a monitoring area or around, a control signal can be generated and output to the power-off control circuit, and the power supply battery is conducted with the camera through the power-off control circuit so as to supply power to the camera. And enabling the camera to work normally again and acquiring a video image. In the set time, when there is no sound, the person is said to have left. The sound detection circuit does not output a control signal to the power-off control circuit. And the power-off control circuit disconnects the power channel between the power supply battery and the camera again. Thus, the quick consumption of the electric quantity of the rechargeable battery can be avoided. In one embodiment of the utility model, the wake-up time can be set according to the actual situation of the user. For example, 3 minutes may be set.
The intelligent camera with the energy-saving control function is connected with an input power supply through a power supply battery so as to charge the battery through the power supply battery; the power supply battery is connected with the camera through the power-off control circuit so as to carry out power on or off control on the camera when detecting that the input power supply is powered off; the sound detection circuit is connected with the power-off control circuit and used for detecting sound and controlling the power supply and conduction of the camera through the power-off control circuit when a sound signal is detected. Therefore, after the input power supply is powered off, the power-off control circuit can be awakened by the sound detection circuit to continuously supply power for the camera within the set time. Therefore, in a relatively quiet indoor environment, even if the indoor environment is disconnected, safety monitoring can be well achieved, and the indoor environment monitoring system has good practicability.
The power-off control circuit includes: the power supply circuit comprises a MOS transistor Q2 and a power failure detection circuit, wherein the source electrode of the MOS transistor Q2 is connected with the power supply battery, the drain electrode of the MOS transistor Q2 is connected with the camera, the grid electrode of the MOS transistor Q2 is connected with the source electrode of the MOS transistor Q2 through a resistor R2, the grid electrode of the MOS transistor Q2 is further connected with one end of a resistor R3, the other end of the resistor R3 is connected with one end of a resistor R4, and the other end of the resistor R4 is connected with a reference ground; the power-off detection circuit is respectively connected with an input power supply and the other end of the resistor R3 so as to detect that the MOS transistor Q2 is controlled to be switched off through the resistor R3 when the input power supply is powered off.
The power-down detection circuit detects the power-down of the input power supply, and when the power-down of the input power supply is detected, the MOS transistor Q2 is controlled to be switched off through the resistor R3. Specifically, when the input power is turned off, the power-off detection circuit outputs a high-level voltage to the other end of the resistor R3. At this time, the MOS transistor Q2 is turned off. The power supply of the power supply battery stops outputting. Similarly, when the input power supply supplies power normally, the power failure detection circuit outputs a low level voltage to the other end of the resistor R3. The MOS transistor Q2 is normally on and the input voltage can charge the supply battery. Meanwhile, both the charging of the power supply battery and the input power supply can supply power for the camera.
A MOS transistor Q4, the gate of the MOS transistor Q4 is connected to one end of a resistor R21, the other end of the resistor R21 is connected to the input power supply, the drain of the MOS transistor Q4 is connected to a pull-up power source VCC through a resistor R8, the source of the MOS transistor Q4 is connected to a ground reference, and the source of the MOS transistor Q4 is further connected to the gate of the MOS transistor Q4 through a resistor R20; the drain of the MOS transistor Q4 is also connected to the other end of the resistor R3. Specifically, the gate of the MOS transistor Q4 is connected to the input power supply through a resistor R21, and the gate of the MOS transistor Q4 is at a high level when the input power supply is normally powered. At this time, the MOS transistor Q4 is turned on and outputs a low level voltage to the power-off control circuit, which is normally turned on. Conversely, when the input power is turned off, the gate of the MOS transistor Q4 is low. At this time, the MOS transistor Q4 is turned off and outputs a high level to the power-off control circuit, the MOS transistor Q2 of which is turned off, and the power-off control circuit turns off the power output channel.
The power down detection circuit further includes: a resistor R9 and a resistor R10, the other end of the resistor R21 being connected to the input power source through the resistor R9; wherein one end of the resistor R9 is connected with the other end of the resistor R21, and the other end of the resistor R9 is connected with the input power supply; one end of the resistor R10 is connected to the one end of the resistor R9, and the other end of the resistor R10 is connected to a reference ground. The resistor R9 and the resistor R10 form a voltage divider circuit, so that an input voltage can be divided and then output to the gate of the MOS transistor Q4.
The power down detection circuit further includes: a capacitor C5 and a voltage regulator diode D4, one end of the capacitor C5 is connected with one end of the resistor R10, and the other end of the capacitor C5 is connected with the reference ground; the capacitor C5 can filter the high-voltage pulse interference signal input to the power supply terminal to ensure the stability of the voltage of the gate of the MOS transistor Q4. The power failure detection circuit is prevented from generating false detection due to interference signals. Thereby ensuring the stability of the whole circuit.
The cathode of the zener diode D4 is connected to the one end of the resistor R10, and the anode of the zener diode D4 is connected to the ground. The stability of the voltage of the gate of the MOS transistor Q4 is further ensured by the zener diode D4. The power failure detection circuit is prevented from generating false detection due to interference signals, and therefore the stability of the whole circuit is guaranteed.
The sound detection circuit includes: the microphone M1 and the timer U2, the audio signal output end of the microphone M1 is connected with the timing end of the timer U2, the timing output end of the timer U2 is connected with the grid of the MOS transistor Q4, so that after the microphone M1 detects a sound signal, the power supply control is carried out on the camera through the power-off control circuit within the set timing time. The microphone M1 can detect the sound signal of the camera surrounding environment, and convert the sound signal into an electric signal and output the electric signal. When the microphone M1 detects a sound signal, it can generate an audio detection signal and output it to the timer U2, and when the timer U2 detects an audio detection signal, it can output a high level signal to the power-off detection circuit, and the gate of the MOS transistor Q4 of the power-off detection circuit is at a high level and starts to conduct. At this time, the power-off control circuit also starts to be conducted and supplies power to the camera. And the timer U2 starts to time, when no sound signal is input within the set time, the time is over, and a low level signal is output to the power-off detection circuit, the grid of the MOS transistor Q4 of the power-off detection circuit is at a low level and is cut off again, so that the power-off control circuit is also disconnected, and the power supply battery is disconnected with the camera.
The sound detection circuit further includes: an audio signal output end of the microphone M1 is connected with a timing end of the timer U2 through the operational amplifier U3; the audio signal output end of the microphone M1 is connected to one end of a resistor R13, the other end of the resistor R13 is connected to the negative input end of the operational amplifier U3, the positive input end of the operational amplifier U3 is connected to one end of a resistor R14, the other end of the resistor R14 is connected to the ground, the positive input end of the operational amplifier U3 is further connected to one end of a resistor R15, the other end of the resistor R15 is connected to the power supply, and the audio signal output end of the microphone M1 is further connected to the pull-up power supply through a resistor R12. The resistors R14 and R15 form a voltage divider circuit, so that the voltage of the power supply VCC can be divided and then output to the positive input terminal of the operational amplifier U3, thereby providing a reference voltage value for the operational amplifier U3. The operational amplifier U3 constitutes a voltage comparator that compares the output voltage of the microphone M1 with the reference voltage value. When the input voltage value of the microphone M1 is greater than the reference voltage, the output voltage of the operational amplifier U3 is level-shifted, and then high level is shifted to low level. And after detecting the low level, the timer starts timing, outputs a high level to the power-off detection circuit, and conducts the power supply battery and the camera through the power-off detection circuit and the power-off control circuit to supply power to the camera.
The sound detection circuit further includes: a variable resistor RX1, one end of the variable resistor RX1 is connected with a power supply, and the other end of the variable resistor RX1 is connected with the negative input end of the operational amplifier U3. The resistance value can be adjusted and controlled by the variable resistor RX1 to adjust and control the sensitivity of the sound signal.
The intelligent camera with the energy-saving control function further comprises a charging circuit, and the power supply battery is connected with the input power supply through the charging circuit so as to charge the power supply battery and supply power to the camera. The charging circuit includes: a MOS transistor Q1, a diode D1 and a charge controller U1, wherein the source of the MOS transistor Q1 is connected with an input power supply; the anode of the diode D1 is connected with the drain of the MOS transistor Q1, and the cathode of the diode D1 is connected with the power supply battery; the charging control terminal of the charging controller U1 is connected to the gate of the MOS transistor Q1 to control the charging of the power supply battery through the MOS transistor Q1.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent changes may be made in some of the features of the embodiments. All equivalent structures made by using the contents of the specification and the attached drawings of the utility model can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the utility model.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (10)
1. The utility model provides a take energy-saving control's intelligent camera which characterized in that includes:
a camera;
the power supply battery is connected with an input power supply so as to charge the battery through the power supply battery;
the power supply battery is connected with the camera through the power supply control circuit so as to carry out power on or off control on the camera when detecting that the input power supply is powered down;
the sound detection circuit is connected with the power-off control circuit and used for detecting sound and controlling the power supply and conduction of the camera through the power-off control circuit when a sound signal is detected.
2. The intelligent camera with energy-saving control according to claim 1, wherein the power-off control circuit comprises:
a MOS transistor Q2, a source of the MOS transistor Q2 is connected to the power supply battery, a drain of the MOS transistor Q2 is connected to the camera, a gate of the MOS transistor Q2 is connected to a source of the MOS transistor Q2 through a resistor R2, the gate of the MOS transistor Q2 is further connected to one end of a resistor R3, the other end of the resistor R3 is connected to one end of a resistor R4, and the other end of the resistor R4 is connected to a reference ground;
and the power failure detection circuit is respectively connected with the input power supply and the other end of the resistor R3 so as to detect that the MOS transistor Q2 is controlled to be disconnected through the resistor R3 when the input power supply is powered down.
3. The intelligent camera with energy-saving control according to claim 2, wherein the power-off detection circuit comprises:
a MOS transistor Q4, the gate of the MOS transistor Q4 being connected to one end of a resistor R21, the other end of the resistor R21 being connected to the input power supply, the drain of the MOS transistor Q4 being connected to a pull-up power supply via a resistor R8, the source of the MOS transistor Q4 being connected to ground, the source of the MOS transistor Q4 being further connected to the gate of the MOS transistor Q4 via a resistor R20; the drain of the MOS transistor Q4 is also connected to the other end of the resistor R3.
4. The intelligent camera with energy-saving control according to claim 3, wherein the power-off detection circuit further comprises:
the other end of the resistor R9 is connected with the input power supply through the resistor R9; one end of the resistor R9 is connected with the other end of the resistor R21, and the other end of the resistor R9 is connected with the input power supply;
a resistor R10, one end of the resistor R10 being connected to the one end of the resistor R9, the other end of the resistor R10 being connected to a reference ground.
5. The intelligent camera with energy-saving control according to claim 4, wherein the power-off detection circuit further comprises:
a capacitor C5, one end of the capacitor C5 is connected with the one end of the resistor R10, and the other end of the capacitor C5 is connected with a reference ground;
a zener diode D4, a cathode of the zener diode D4 being connected to the one end of the resistor R10, and an anode of the zener diode D4 being connected to the ground.
6. The intelligent camera with energy-saving control according to any one of claims 3 to 5, wherein the sound detection circuit comprises:
a microphone M1;
and the audio signal output end of the microphone M1 is connected with the timing end of the timer U2, the timing output end of the timer U2 is connected with the grid electrode of the MOS transistor Q4, and power supply control is performed on the camera through a power-off control circuit within set timing time after the microphone M1 detects a sound signal.
7. The intelligent camera with energy-saving control according to claim 6, wherein the sound detection circuit further comprises:
an audio signal output end of the microphone M1 is connected with a timing end of the timer U2 through the operational amplifier U3; the audio signal output end of the microphone M1 is connected to one end of a resistor R13, the other end of the resistor R13 is connected to the negative input end of the operational amplifier U3, the positive input end of the operational amplifier U3 is connected to one end of a resistor R14, the other end of the resistor R14 is connected to the ground, the positive input end of the operational amplifier U3 is further connected to one end of a resistor R15, the other end of the resistor R15 is connected to the power supply, and the audio signal output end of the microphone M1 is further connected to the pull-up power supply through a resistor R12.
8. The intelligent camera with energy-saving control according to claim 7, wherein the sound detection circuit further comprises:
a variable resistor RX1, one end of the variable resistor RX1 is connected with a power supply, and the other end of the variable resistor RX1 is connected with the negative input end of the operational amplifier U3.
9. The intelligent camera with the energy-saving control function according to claim 1, further comprising a charging circuit, wherein the power supply battery is connected with the input power supply through the charging circuit so as to charge the power supply battery and supply power to the camera.
10. The smart camera with energy-saving control according to claim 9, wherein the charging circuit comprises:
a MOS transistor Q1, the source of the MOS transistor Q1 is connected with the input power supply;
a diode D1, the anode of the diode D1 being connected to the drain of the MOS transistor Q1, the cathode of the diode D1 being connected to the power supply battery;
and a charging control end of the charging controller U1, wherein a charging control end of the charging controller U1 is connected with a grid electrode of the MOS transistor Q1, so that the charging of the power supply battery is controlled through the MOS transistor Q1.
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| CN202220107514.7U CN216905030U (en) | 2022-01-14 | 2022-01-14 | Intelligent camera with energy-saving control function |
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| CN202220107514.7U CN216905030U (en) | 2022-01-14 | 2022-01-14 | Intelligent camera with energy-saving control function |
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