CN216122583U - Wireless low-power consumption camera - Google Patents
Wireless low-power consumption camera Download PDFInfo
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- CN216122583U CN216122583U CN202121673733.3U CN202121673733U CN216122583U CN 216122583 U CN216122583 U CN 216122583U CN 202121673733 U CN202121673733 U CN 202121673733U CN 216122583 U CN216122583 U CN 216122583U
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Abstract
The application relates to a wireless low-power-consumption camera, which belongs to the technical field of security monitoring and comprises a micro control unit, an image acquisition unit, a power supply unit and a communication unit; the micro control unit is electrically connected with the image acquisition unit, the power supply unit and the communication unit and is used for processing the image data acquired by the image acquisition unit and sending the processed image data to the remote terminal through the communication unit, and the power supply unit is used for providing electric energy required by the camera; the micro control unit is also electrically connected with a frame rate adjusting unit, and the frame rate adjusting unit is used for adjusting the frame rate of the camera; the micro control unit starts and stops the frame rate adjusting unit at regular time and is used for reducing the working frequency of the micro control unit. The method and the device have the effect of reducing power consumption while not influencing normal work of the camera.
Description
Technical Field
The application relates to the field of security monitoring, in particular to a wireless low-power-consumption camera.
Background
The wireless camera is a new generation camera generated by combining a traditional camera and a wireless transmission technology, and can transmit image data acquired by the camera to a remote terminal in a wireless mode. The network transmission mode according to the wireless camera comprises a wireless Wi-Fi network camera, a 4G network camera and the like.
With the maturity of solar technology and the outdoor application scene of network camera, there is some wireless camera to be supplied power by solar cell, and when current solar cell supplied power to wireless camera, in order to make wireless camera obtain continuous electric energy, often need install great solar panel and battery of great capacity for supply power to wireless camera.
In view of the above-mentioned related technologies, the inventor believes that the existing wireless camera is powered by a large solar panel and a large-capacity battery, but the wireless camera does not save power, reduces power consumption, and increases cost.
SUMMERY OF THE UTILITY MODEL
In order to reduce power consumption while not influencing the normal work of a camera, the application provides a wireless low-power-consumption camera.
The application provides a wireless low-power consumption's camera adopts following technical scheme:
a wireless low-power consumption camera comprises a micro control unit, an image acquisition unit, a power supply unit and a communication unit; the micro control unit is electrically connected with the image acquisition unit, the power supply unit and the communication unit, and is used for processing the image data acquired by the image acquisition unit and sending the processed image data to the remote terminal through the communication unit, and the power supply unit is used for providing electric energy required by the camera; the micro control unit is also electrically connected with a frame rate adjusting unit, and the frame rate adjusting unit is used for adjusting the frame rate of the camera; the micro control unit is used for starting and closing the frame rate adjusting unit at regular time and reducing the working frequency of the micro control unit.
By adopting the technical scheme, the acquisition frame rate is reduced in a scene without a high frame rate by setting the frame rate adjusting unit and the micro control unit at regular time, the working frequency of the micro control unit is reduced, and the power consumption is reduced while the normal work of the camera is not influenced, so that the electric energy of the power supply unit is saved, and the service life of a battery in the camera is prolonged.
Optionally, the micro control unit is further electrically connected to a storage unit, and the storage unit is used for storing the image data processed by the micro control unit; the micro control unit is used for opening and closing the storage unit at regular time and reducing the working frequency of the micro control unit.
By adopting the technical scheme, the storage unit is opened and closed at regular time through the micro control unit, the storage of the stored image data is closed when the storage is not needed, the working frequency of the micro control unit is reduced, and the power consumption is reduced while the normal work of the camera is not influenced, so that the electric energy of the power supply unit is further saved, and the service life of a battery in the camera is further prolonged.
Optionally, the micro control unit is further electrically connected to a movement detection unit, and the movement detection unit is used for detecting a moving object; the micro control unit is used for turning on and off the mobile detection unit at regular time and reducing the working frequency of the micro control unit.
By adopting the technical scheme, when a moving object does not need to be detected, the micro control unit closes the moving detection unit at regular time, so that the working frequency of the micro control unit is reduced, the normal work of the camera is not influenced, and the power consumption is reduced, thereby further saving the electric energy of the power supply unit and further prolonging the service time of a battery in the camera.
Optionally, the communication unit is provided with a low power consumption mode, the micro control unit is electrically connected with a wake-up unit for waking up the communication unit from the low power consumption mode, and the wake-up unit is electrically connected to a branch of a large data transmission channel of the communication unit.
Through adopting above-mentioned technical scheme, be not the communication operation that need last in daily use, and the communication unit is in the communication state all the time and will lead to consuming a large amount of electric energy, through the setting to the low-power consumption mode of communication unit, the electric energy of power supply unit can be saved, the live time of battery in the camera has also further been prolonged, awaken unit electric connection is on communication unit's big data volume transmission channel branch for awaken communication unit from the low-power consumption mode, make big data volume transmission channel switch on, carry out the signal transmission of big data volume.
Optionally, the power supply unit is further connected with a light supplementing lighting unit and a human body detection unit, the light supplementing lighting unit is electrically connected with the human body sensor, and the human body sensor is used for controlling the light supplementing lighting unit to supplement light for lighting when sensing that a human body exists in the field of view.
By adopting the technical scheme, under the condition of weak light such as night, the definition of the image data acquired by the camera is influenced, and the clear image data can be acquired by the image acquisition unit through the arrangement of the light-supplementing illumination unit; through the arrangement of the human body detection unit, when the human body sensor senses that a human body exists in the visual field, the light supplementing and illuminating unit works; when no human body is sensed in the visual field, the light supplementing and illuminating unit does not work, and the effect of saving electric energy is also achieved.
Optionally, the human body detection unit mainly comprises a pyroelectric human body induction sensor.
Through adopting above-mentioned technical scheme, through the setting to pyroelectric human body induction sensor to the realization is to the response of human body, so that control light filling lighting unit's operating condition.
Optionally, the human body detection unit is connected with a signal amplification unit and a switch unit, the signal amplification unit is electrically connected with the human body detection unit and the switch unit, the switch unit is connected with the power supply loop of the light supplement lighting unit, and the signal amplification unit is used for amplifying the signal of the human body detection unit and controlling the switch unit to be switched on.
By adopting the technical scheme, the detection signal acquired by the human body detection unit can be amplified by the signal amplification unit, so that distortion in the signal transmission process is avoided; the switch unit is connected to a power supply loop of the light supplementing illumination unit and used for controlling the on-off of the light supplementing illumination unit, and after the signal amplification unit amplifies the signal of the human body detection unit, the switch unit is controlled to be switched on, so that the light supplementing illumination unit is controlled to supplement light for illumination.
Optionally, the signal amplification unit includes at least one operational amplifier, and the switch unit includes at least one triode.
By adopting the technical scheme, the signal amplification function is realized by setting the operational amplifier; through the arrangement of the triode, the switching function is realized.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the frame rate adjusting unit, the storage unit and the mobile detection unit are started and closed at regular time through the micro control unit, and the acquisition frame rate is reduced in a scene without a high frame rate; closing storage of the stored image data when storage is not required; turning off the detection function when the moving object does not need to be detected; therefore, the working frequency of the micro control unit is reduced, the power consumption is reduced, and the electric energy of the power supply unit is saved;
2. the on-off control of the communication unit is realized through the awakening unit, when a signal with large data volume does not need to be transmitted, the awakening unit is switched off, the communication unit enters a low-power-consumption state, and the power consumption is reduced while the normal work of the camera is not influenced, so that the electric energy of the power supply unit is further saved, and the service life of a battery in the camera is further prolonged;
3. by controlling the supplementary lighting unit by the human body detection unit, when a person enters the visual field range of the image acquisition unit, the supplementary lighting unit works; when no person enters the visual field range of the image acquisition unit, the light supplementing and illuminating unit does not work; thereby further realizing the power saving of the power supply unit and further prolonging the service time of the battery in the camera.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
fig. 2 is a circuit diagram of the fill-in lighting operation according to the embodiment of the present application.
Description of reference numerals: 1. a micro control unit; 2. an image acquisition unit; 3. a power supply unit; 4. a communication unit; 5. a frame rate adjusting unit; 6. a storage unit; 7. a movement detection unit; 8. a wake-up unit; 9. a supplementary lighting unit; 10. a human body detection unit; 11. a signal amplification unit; 12. a switch unit.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a wireless low-power-consumption camera. Referring to fig. 1, the wireless low-power consumption camera includes a micro control unit 1, an image acquisition unit 2, a power supply unit 3 and a communication unit 4, wherein the image acquisition unit 2 is in signal connection with the micro control unit 1 and is used for sending image data to the micro control unit 1 for processing. The micro control unit 1 is in signal connection with the communication unit 4, and is used for processing image data and sending the processed image data to a remote terminal, so that the remote terminal can check the image data. The power supply unit 3 is used to supply power to the power consumption unit of the entire camera.
In this application, the model of the micro control unit 1 includes, but is not limited to, STM32H7 series, EFM32 series, STM32F1 series, and GD32F3 series, and all the micro control units 1 capable of realizing the functions of this application may be used, and in this application, the model of the micro control unit 1 preferably adopts an STM32F103C8T6 chip. After the power supply unit 3 adopts the solar lithium battery solar panel to obtain the electric energy, the lithium battery is charged through voltage stabilization, and the electric energy converted by the solar battery is used for supplying power to the power utilization unit in the camera.
Referring to fig. 1, the micro control unit 1 is in signal connection with a frame rate adjusting unit 5, a storage unit 6 and a movement detecting unit 7; the frame rate adjusting unit 5 is configured to adjust a frame rate of the camera, and when the frame rate of the camera is decreased, the frequency of the micro control unit 1 is decreased, so that the power consumption of the micro control unit 1 is decreased. The storage unit 6 is used for storing the image data processed by the micro control unit 1 and is convenient for tracing and checking the image data, and the storage unit 6 mainly adopts a TF memory card in the application; since the frequency of the mcu 1 is reduced when the image data processed by the mcu 1 is not required to be stored, the power consumption of the mcu 1 is reduced. The movement detection unit 7 is used for detecting a moving object, storing image data of the moving object and performing warning; when the motion detection unit 7 is turned off, the operating frequency of the mcu 1 is also decreased, and the power consumption of the mcu 1 is also decreased.
Referring to fig. 1, in the daily use process of the camera, all functions are not required to be started, and in order to save the electric energy of the power supply unit 3 and not affect the use of the camera, the micro control unit 1 starts and stops the frame rate adjusting unit 5, the storage unit 6 and the mobile detecting unit 7 at regular time, and the acquisition frame rate is reduced in a scene without a high frame rate; closing storage of the stored image data when storage is not required; turning off the detection function when the moving object does not need to be detected; the working frequency of the micro control unit 1 can be reduced, and the power consumption is reduced, so that the electric energy of the power supply unit 3 is saved, and the service time of a battery in the camera is prolonged.
Referring to fig. 1, in the present application, the communication unit 4 is configured to remotely transmit image data in real time, transmit stored data in the storage unit 6, wirelessly transmit a parameter setting instruction, and transmit the image data to the cloud. While not requiring continuous communication operation in daily use, the communication unit 4 always being in the communication state will consume a large amount of electric power. In order to reduce the power consumed by the communication unit 4, the communication unit 4 is provided with a low power consumption mode, and when communication is not required, the communication unit 4 enters the low power consumption mode, and only basic communication connection is realized, so that further power saving is realized.
Referring to fig. 1, when the remote terminal needs to view real-time image data, the communication unit 4 needs to be awakened so as to transmit the real-time image data; in order to wake up the communication unit 4 in the low power consumption mode, the micro control unit 1 is connected with a wake-up unit 8, and the wake-up unit 8 is electrically connected between the micro control unit 1 and the communication unit 4 and used for communicating a large data volume transmission channel between the communication unit 4 and the micro control unit 1 and transmitting large data volume data such as real-time image data. In this application, awakening unit 8 adopts switching element to set up on big data volume transmission channel branch, after communication unit 4 of low-power consumption mode received big data volume transmission channel start signal, send start signal to little the control unit 1, little the control unit 1 sends level signal according to start signal and starts the switching element in the big data volume transmission channel, make big data volume transmission channel switch on, communication unit 4 withdraws from low-power consumption mode simultaneously, carries out the signal transmission of big data volume. And after a signal of a large data amount does not need to be transmitted, the switching device is turned off, and the communication unit 4 enters a low power consumption state from the beginning.
Referring to fig. 1 and 2, because under the less strong circumstances of light such as night, the image data definition that the camera acquireed receives the influence, for clear acquireing image data, often need carry out the light filling illumination, long-time light filling illumination can increase the consumption, and the camera is the image data when having the human body usually in the needs record field of vision, consequently the camera still is provided with light filling illumination unit 9 and human body detecting element 10, in this application, light filling illumination unit 9 mainly comprises a plurality of LED lamp series connection, human body detecting element 10 mainly comprises pyroelectric human body induction sensor, light filling illumination unit 9 and human body sensor electric connection, when human body sensor senses the human body in the field of vision, the light filling light lights, acquire clear image data.
Referring to fig. 1 and 2, in order to facilitate the light supplement lighting unit 9 to receive a detection signal of the human body detection unit 10, the human body detection unit 10 is connected to a signal amplification unit 11 and a switch unit 12, the signal amplification unit 11 is electrically connected to the human body detection unit 10 and the switch unit 12, the switch unit 12 is connected to a power supply loop of the light supplement lighting unit 9, and after the signal amplification unit 11 amplifies the signal of the human body detection unit 10, the switch unit 12 is controlled to be turned on, so that the light supplement lighting unit 9 is controlled to perform light supplement lighting.
Referring to fig. 2, the signal amplifying unit 11 includes at least one operational amplifier, and is preferably configured as an operational amplifier N1, wherein the input end of the operational amplifier N1 in the same direction is electrically connected to the output end of the human body detecting unit 10, and the other end of the human body detecting unit 10 is connected to the positive electrode VCC of the power supply unit 3. A first resistor R1 is connected between the output terminal of the human body detecting unit 10 and the negative GND of the power supply unit 3, and a first resistor R1 is connected in series in a loop between the equidirectional input terminal of the operational amplifier N1 and the negative GND of the power supply unit 3. Through the setting of the first resistor R1, the zero drift can be eliminated, and the function of balancing the voltage at the equidirectional input end and the voltage at the inversed input end of the operational amplifier N1 is achieved.
Referring to fig. 2, in order to prevent the current flowing through the operational amplifier N1 from being offset, the inverting input terminal of the operational amplifier N1 is connected to a second resistor R2, and the other terminal of the second resistor R2 is connected to a third resistor R3 and a fourth resistor R4. One end of each of the third resistor R3 and the fourth resistor R4 is connected to the second resistor R2, the other end of the third resistor R3 is connected to the positive electrode VCC of the power supply unit 3, and the other end of the fourth resistor R4 is connected to the negative electrode GND of the power supply unit 3. The resistance value of the same-direction input end of the operational amplifier N1 can be balanced by setting the resistance of the reverse input end of the operational amplifier N1, so that the current flowing through the operational amplifier N1 is prevented from being out of order, and the function of a stable circuit is achieved.
Referring to fig. 2, in this application, switch unit 12 includes the triode that is no less than one, preferably set up to a triode Q1 in this application, triode Q1 adopts NPN type triode in this application, wherein, one end electric connection of light filling lighting unit 9 is in the collecting electrode of triode Q1, the other end of light filling lighting unit 9 is connected in the anodal VCC of power supply unit 3, the anodal VCC of power supply unit 3 is connected to the positive pole VCC of keeping away from the LED lamp of switch unit 12 one end in light filling lighting unit 9 promptly, the negative pole of the LED lamp of the anodal VCC one end of keeping away from power supply unit 3 in light filling lighting unit 9 is connected in the collecting electrode of triode Q1. The base of the transistor Q1 is electrically connected to the output terminal of the operational amplifier N1, and the emitter of the transistor Q1 is electrically connected to the negative GND of the power supply unit 3. When the base of the triode Q1 receives the amplified signal sent by the output terminal of the operational amplifier N1, the emitter and the collector of the triode are conducted, thereby realizing the conduction of the supplementary lighting unit 9.
The implementation principle of the wireless low-power-consumption camera in the embodiment of the application is as follows: the frame rate adjusting unit 5, the storage unit 6 and the mobile detecting unit 7 are opened and closed at regular time through the micro control unit 1, so that the acquisition frame rate is reduced in a scene without a high frame rate; closing storage of the stored image data when storage is not required; turning off the detection function when the moving object does not need to be detected; thereby reducing the operating frequency of the micro control unit 1 and thus reducing the power consumption, and thus achieving a saving of the electrical energy of the power supply unit 3.
By the on-off control of the communication unit 4 by the wake-up unit 8, when there is no need to transmit a signal of a large data amount, the wake-up unit 8 is turned off, and the communication unit 4 enters a low power consumption state. When the communication unit 4 in the low power consumption mode receives a start signal of the large data volume transmission channel, the start signal is sent to the micro control unit 1, the micro control unit 1 sends a level signal according to the start signal to start a switch device in the large data volume transmission channel, so that the large data volume transmission channel is conducted, and meanwhile, the communication unit 4 exits the low power consumption mode to transmit a large data volume signal.
Through the control to light filling lighting unit 9 to human detection unit 10, when someone got into the field of vision scope of image acquisition unit 2, human detection unit 10 detected the human body to send the signal, signal control switch unit 12 after the enlargeing switches on, makes light filling lighting unit 9 work, acquires clear image data when light is darker.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A wireless, low power consumption camera, characterized by: the system comprises a micro-control unit (1), an image acquisition unit (2), a power supply unit (3) and a communication unit (4); the micro control unit (1) is electrically connected to the image acquisition unit (2), the power supply unit (3) and the communication unit (4) and is used for processing the image data acquired by the image acquisition unit (2) and sending the processed image data to a remote terminal through the communication unit (4), and the power supply unit (3) is used for providing electric energy required by the camera;
the micro control unit (1) is also electrically connected with a frame rate adjusting unit (5), and the frame rate adjusting unit (5) is used for adjusting the frame rate of the camera; the micro control unit (1) is used for turning on and off the frame rate adjusting unit (5) at regular time and reducing the working frequency of the micro control unit (1).
2. A wireless low power consumption camera according to claim 1, wherein: the micro control unit (1) is also electrically connected with a storage unit (6), and the storage unit (6) is used for storing the image data processed by the micro control unit (1); the micro control unit (1) is used for opening and closing the storage unit (6) at regular time and reducing the working frequency of the micro control unit (1).
3. A wireless low power consumption camera according to claim 1, wherein: the micro control unit (1) is also electrically connected with a mobile detection unit (7), and the mobile detection unit (7) is used for detecting a moving object; the micro control unit (1) is used for turning on and off the movement detection unit (7) at regular time and reducing the working frequency of the micro control unit (1).
4. A wireless low power consumption camera according to claim 1, wherein: the communication unit (4) is provided with a low power consumption mode, the micro control unit (1) is electrically connected with a wake-up unit (8) for waking up the communication unit (4) from the low power consumption mode, and the wake-up unit (8) is electrically connected to a branch of a large data transmission channel of the communication unit (4).
5. A wireless low power consumption camera according to claim 1, wherein: the power supply unit (3) is still connected with light filling lighting unit (9) and human detecting element (10), light filling lighting unit (9) with human detecting element (10) electric connection, human detecting element (10) are used for when sensing that there is the human body in the field of vision, control light filling lighting unit (9) carry out the light filling illumination.
6. A wireless low power consumption camera according to claim 5, wherein: the human body detection unit (10) mainly comprises a pyroelectric human body induction sensor.
7. A wireless low power consumption camera according to claim 5, wherein: human detection unit (10) are connected with signal amplification unit (11) and switch element (12), signal amplification unit (11) electric connection in human detection unit (10) with switch element (12), switch element (12) connect in the power supply circuit of light filling lighting unit (9), signal amplification unit (11) are used for enlargiing the signal of human detection unit (10), and control switch element (12) switch on.
8. A wireless low power consumption camera according to claim 7, wherein: the signal amplification unit (11) comprises at least one operational amplifier, and the switch unit (12) comprises at least one triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121673733.3U CN216122583U (en) | 2021-07-21 | 2021-07-21 | Wireless low-power consumption camera |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121673733.3U CN216122583U (en) | 2021-07-21 | 2021-07-21 | Wireless low-power consumption camera |
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| CN216122583U true CN216122583U (en) | 2022-03-22 |
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| CN202121673733.3U Active CN216122583U (en) | 2021-07-21 | 2021-07-21 | Wireless low-power consumption camera |
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