CN220554051U

CN220554051U - Low-power consumption intelligent monitoring camera

Info

Publication number: CN220554051U
Application number: CN202321900817.5U
Authority: CN
Inventors: 黄亨明; 何建安; 庄佳卿; 李进耀
Original assignee: Leedarson Lighting Co Ltd
Current assignee: Leedarson Lighting Co Ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-03-01
Anticipated expiration: 2033-07-19

Abstract

The utility model provides a low-power-consumption intelligent monitoring camera which comprises a WiFi antenna unit, a BLE antenna unit, a multifunctional control unit, an image sensor unit, an IR-CUT and a lens unit, wherein the WiFi antenna unit, the BLE antenna unit and the image sensor unit are respectively and electrically connected with the multifunctional control unit, and the IR-CUT and the lens unit are electrically connected with the multifunctional control unit through the image sensor unit. In the utility model, a brand new generation of multifunctional low-power-consumption main control chip with ISP and WiFi integration is adopted, an externally-hung low-power-consumption auxiliary MCU and a low-power-consumption WiFi chip are not needed, a peripheral circuit becomes simpler, the cost is reduced, the design space of a PCB (printed circuit board) can be reduced, and the product is more compact and portable.

Description

Low-power consumption intelligent monitoring camera

Technical Field

The utility model belongs to the technical field of cameras, and particularly relates to a low-power-consumption intelligent monitoring camera.

Background

With the development of modern society, surveillance cameras are increasingly used, but with the progress of social science and technology, the needs of customers are improved, and some defects exist in the traditional surveillance cameras.

In the traditional monitoring camera, the Linux system is basically adopted, the starting time is relatively slow, the image outputting time is correspondingly slow, and the customer experience feel is relatively poor due to the fact that the image outputting time is slow; in terms of circuit design, the traditional monitoring camera is composed of a main control chip with an ISP and a WiFi chip, and peripheral circuits are complex and difficult to realize miniaturization and portability; functionally, the traditional monitoring camera cannot realize low power consumption, and only has a single monitoring function of real-time video recording, occupies a large storage space of an SD card or a cloud disk, and has short video storage cycle coverage time and short storage history; if the low-power-consumption camera is required to be made, a MCU with low power consumption is added as an auxiliary CPU, and a WiFi chip with low power consumption is selected, so that the complexity of a circuit is increased, and the cost is correspondingly increased; on the link, the traditional monitoring camera generally only has 2.4G WiFi connection, does not support 5G connection, and has poor compatibility.

In view of this, it is important to design and manufacture a low-power-consumption intelligent monitoring camera.

Disclosure of Invention

Aiming at the technical problems that a monitoring camera in the prior art is longer in starting time, single in function, poor in WiFi compatibility, complex in peripheral circuit, difficult to realize small and lightweight, relatively high in cost and the like, the utility model provides a low-power-consumption intelligent monitoring camera.

The utility model provides a low-power-consumption intelligent monitoring camera which comprises a WiFi antenna unit, a BLE antenna unit, a multifunctional control unit, an image sensor unit, an IR-CUT and a lens unit, wherein the WiFi antenna unit, the BLE antenna unit and the image sensor unit are respectively and electrically connected with the multifunctional control unit, and the IR-CUT and the lens unit are electrically connected with the multifunctional control unit through the image sensor unit. According to the design scheme, a brand new generation multifunctional low-power-consumption main control chip with ISP and WiFi integration is adopted, an externally hung low-power-consumption auxiliary MCU and a low-power-consumption WiFi chip are not needed, a peripheral circuit becomes simpler, the cost is reduced, the design space of a PCB (printed circuit board) can be reduced, and the product is smaller and more portable.

Preferably, the multifunctional control unit adopts an RTL8735 chip, and has ISP and H265/H264 video coding functions, wiFi functions, BLE functions, audio coding and decoding functions, storage functions, logic control functions and low power consumption functions. The traditional control unit has only a single ISP function, and if WiFi communication is needed, a low-power-consumption WIFI chip is also needed to be added as a communication unit; compare and can reduce a wiFi chip and peripheral power supply circuit for circuit design is simpler, and the cost is lower, can also reduce PCB board size, makes the product more small and exquisite.

Further preferably, the WiFi function of the multifunctional control unit is used to transmit the video and audio information to the network cloud platform through a 5G or 2.4G network of wireless WiFi. On a link, the low-power-consumption intelligent monitoring camera of the scheme is 2.4G and 5G WiFi, is more friendly in compatibility, cannot be limited to 2.4G WiFi connection, and is more matched with the rapidly-developed informatization era.

Further preferably, the WiFi and BLE antenna units are configured to provide data transceiving of a WiFi link and a BLE link for the monitoring camera.

Further preferably, the model of the image sensor unit is set to be JX-F51, and the image sensor unit communicates with and controls the multifunctional control unit through a CSI interface. The image sensor is a key device capable of converting optical information into electric signals, can provide 200 ten thousand image pixels and is communicated and controlled with the multifunctional control unit through the CSI interface.

It is further preferred that the IR-CUT and lens unit is provided with filters for correcting daytime color cast problems while improving night brightness, providing optical imaging for the camera, and assisting the image sensor unit. When the photosensitive device detects the intensity change of light, the built-in IR-CUT switches the filter, corrects the color cast problem in the daytime, improves the brightness at night and enables the image to achieve the optimal effect; therefore, the double filters can automatically switch the filters in the daytime or at night, and the optimal imaging effect can be ensured.

Preferably, the multifunctional power supply system further comprises a power adapter unit and a DC-DC power supply unit, wherein the DC-DC power supply unit is electrically connected with the multifunctional control unit, the power adapter unit is electrically connected with the DC-DC power supply unit, the power adapter unit is used for converting commercial power into a 5.0V direct current power supply, and the DC-DC power supply unit is used for achieving the function of voltage rising and falling.

Further preferably, the power adapter further comprises a battery unit, the battery unit is respectively and electrically connected with the power adapter unit and the power adapter unit, the power adapter unit is further used for charging the battery unit, and the battery unit is provided with a charging interface and an external power supply interface. The battery unit is a portable battery module accessory, is internally provided with a charging protection circuit and a temperature sensor, and provides protection for charging and discharging points of the battery unit and protection for stopping charging and discharging when the temperature is too high.

Further preferably, the multifunctional control unit further comprises a PIR sensor unit electrically connected with the multifunctional control unit, wherein the PIR sensor unit is used for providing human body detection for the camera and informing the multifunctional control unit to wake up the system to perform snapshot, video recording or intercom. The PIR sensor unit outputs a signal to inform the multifunctional control unit when a person enters the sensing range of the sensor, and the system is awakened to perform snapshot, video recording or intercom.

Further preferably, the low power consumption function of the multifunctional control unit wakes up the system through a remote APP or the PIR sensor unit to perform real-time monitoring or intercom.

Further preferably, the image sensor further comprises a first LDO power supply unit and a second LDO power supply unit, wherein the first LDO power supply unit and the second LDO power supply unit are electrically connected with the DC-DC power supply unit, and the first LDO power supply unit is used for converting 3.3V of the DC-DC power supply unit into 1.8V and 2.8V to provide power for the image sensor unit; the second LDO power supply unit is used for converting direct-current 5.0V power supply into 3.3V power supply to independently provide power for the PIR sensor unit.

Preferably, the multifunctional electronic device further comprises an SD card storage unit and an audio input/output unit, wherein the SD card storage unit and the audio input/output unit are respectively and electrically connected with the multifunctional control unit.

Preferably, the multifunctional light source further comprises an infrared light supplementing unit and a photosensitive sensor unit, wherein the infrared light supplementing unit and the photosensitive sensor unit are respectively and electrically connected with the multifunctional control unit. The infrared light supplementing unit provides a light supplementing effect for the camera, so that the camera can normally shoot and record pictures at night; the photosensitive sensor unit is used for judging whether the current environment is daytime or night, and the auxiliary camera is used for switching on and off the IR-CUR and the infrared light supplementing function.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The traditional low-power consumption monitoring camera is composed of a main control chip with an ISP, a WiFi chip and an auxiliary low-power consumption MCU, wherein peripheral circuits are complex, and the cost is correspondingly high; the low-power-consumption intelligent monitoring camera adopts the latest multifunctional main control chip with ISP and WiFi integration, has the low-power-consumption function, does not need to be externally hung with a low-power-consumption MCU or a low-power-consumption WiFi chip to serve as an auxiliary CPU, reduces the cost, simultaneously enables the design to be smaller and more exquisite, reduces circuits of the WiFi and the auxiliary low-power-consumption MCU, enables the circuit to be simpler, enables the design to be smaller and more exquisite and portable, simultaneously can reduce the cost, and greatly improves the market competitiveness.

(2) The traditional monitoring camera adopts a Linux system with slower starting time, and correspondingly slower image outputting time, so that the user experience is poorer due to the slow image outputting; in order to solve the problem of slow image resolution, the low-power-consumption intelligent monitoring camera adopts a FreeRTOS system, can rapidly finish starting and presenting a first picture, greatly shortens image time, and provides a new and rapid experience for users.

(3) The low-power consumption intelligent monitoring camera can be configured to provide multiple choices for consumers, and the consumers can select different configurations according to different requirements: the power supply of the adapter is selected to be only supplied with power, and a battery is not matched; the power supply is carried out by only matching the battery with the adapter; both the adapter and the battery are selected.

(4) The low-power-consumption intelligent monitoring camera not only has a low-power-consumption function under the condition of battery-powered battery version, but also has a low-power-consumption function under the condition of adapter-powered normal electric version; the normal electric version is provided with two working mode monitoring modes and a low power consumption mode: monitoring mode is a video monitoring mode in real time for 24 hours all day; the low power consumption mode only triggers PIR or APP issues parameters, the system wakes up to start the camera shooting or video recording function, so that the SD card storage space can be saved or the cloud storage space can be saved, the video local storage cycle coverage time is prolonged, the video or image storage history is longer, and a user can configure two different working modes through the APP according to different use environments.

(5) Compared with the traditional 2.4G monitoring camera, the WiFi communication of the low-power-consumption intelligent monitoring camera is provided with 2.4G and 5G, and can be connected with WiFi of a 5G wireless router, so that compatibility is more friendly, wiFi connection which is not limited to 2.4G can be realized, the low-power-consumption intelligent monitoring camera is more matched with the rapid-development informatization age, and development requirements of a modern society can be met.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the utility model. Many of the intended advantages of other embodiments and embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

Fig. 1 shows a schematic diagram of the principle structure of a low-power intelligent monitoring camera according to an embodiment of the utility model;

fig. 2 shows a topology diagram of a low power intelligent monitoring camera according to an embodiment of the utility model.

Meaning of each number in the figure: 1. a 5.0V power adapter unit; 2. a battery unit; 3. a DC-DC power supply unit; 4. a first LDO power supply unit; 5. an image sensor unit; 6. IR-CUT and lens unit; 7. a multi-function control unit; 8. a WiFi/BLE antenna unit; 9. an audio input/output unit; 10. an SD card memory cell; 11. an infrared light supplementing unit; 12. a photosensor unit; 13. a second LDO power supply unit; 14. PIR sensor unit.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The utility model provides a low-power-consumption intelligent monitoring camera, and fig. 1 shows a schematic diagram of the principle structure of the low-power-consumption intelligent monitoring camera according to one embodiment of the utility model, and as shown in fig. 1, the low-power-consumption intelligent monitoring camera comprises a 5.0V power adapter unit 1, a battery unit 2, a DC-DC power supply unit 3, a first LDO power supply unit 4, an image sensor unit 5, an IR-CUT and lens unit 6, a multifunctional control unit 7, a WiFi/BLE antenna unit 8, an audio input/output unit 9, an SD card storage unit 10, an infrared light supplementing unit 11, a photosensitive sensor unit 12, a second LDO power supply unit 13 and a PIR sensor unit 14.

Further, as shown in fig. 2, the low-power-consumption intelligent monitoring camera transmits audio and video information to the network cloud platform server through the 2.4G or 5G wireless WiFi network, and a user can receive the audio and video information of the cloud platform server through the smart phone or the tablet personal computer through the WiFi network or the 4G/5G mobile network, so that functions of video intercom, monitoring, snapshot and the like can be realized.

Specifically, with reference to fig. 1, each unit module of the low-power consumption intelligent monitoring camera disclosed in the utility model is described in detail below.

5.0V power adapter unit 1: the power adapter converts commercial power into 5.0V direct current power to provide power for the low-power consumption intelligent monitoring camera system, and can charge the battery unit 2 under the condition of installing a battery.

Cell unit 2: the battery unit 2 is a portable battery module accessory, is internally provided with a charging protection circuit and a temperature sensor, and provides protection for charging and discharging points of the battery unit 2 and protection for stopping charging and discharging when the temperature is too high; in the embodiment, the battery module is provided with a Type-C charging interface and an external power supply golden finger interface, and can provide a power supply of 3.0V-4.2V for supplying power to the low-power consumption intelligent monitoring camera system.

DC-DC power supply unit 3: the system can automatically judge whether the adapter is powered or the battery is powered, and can monitor different power supply modes; the DC-DC power supply unit 3 has the function of increasing or decreasing the voltage, can reduce the voltage of a 4.2V battery to 3.3V, can also increase the voltage below 3.3V to 3.3V, and is used for a 3.3V power supply system; if the adapter supplies power, directly starting a voltage reducing function, reducing the 5.0V power supply voltage to 3.3V for a 3.3V power supply system; meanwhile, the DC-DC power supply unit 3 is also provided with a common step-down DC-DC power supply unit, and can be converted into power supplies of 1.8V and 0.9V required by the normal operation of the multifunctional control unit 7.

In the embodiment, the low-power-consumption intelligent monitoring camera is compatible in structure, two versions of an adapter power supply normal electric version and a battery power supply battery version can be selected, an adapter power supply version can be selected for indoor monitoring, a battery version can be selected under the condition that outdoor or mains power supply is inconvenient, the battery and the adapter can be used simultaneously, and the intelligent monitoring camera can be normally used under the condition of power failure; different configurations and different prices can be selected according to the actual use condition, so that consumers have more selectivity; if the low power intelligent monitoring camera is selected to be powered by a battery, the low power intelligent monitoring camera is only in a low power mode by default.

Meanwhile, the adapter power supply normal electric plate is provided with 2 working modes, a monitoring mode and a low power consumption mode: monitoring mode is a video monitoring mode in real time for 24 hours all day; the low power consumption mode only triggers PIR or APP issues parameters, the system is awakened to start the video capturing or recording function, the SD card storage space can be saved or the cloud storage space can be saved, the video local storage cycle coverage time is prolonged, the video or image storage history is longer, and a user can configure 2 different working modes through APP according to different use environments.

In addition, the battery version adopts a detachable battery module, and the battery module can be charged by a 5V Type-C interface; the battery version is equipped with 2 batteries, and a standby battery, after the APP end receives battery low-power reminding, the user can directly keep up with the standby battery, and does not need to detach the camera to charge, so that the use is very convenient.

The first LDO power supply unit 4: the 3.3V of the DC-DC power supply unit 3 is converted into 1.8V and 2.8V by the first LDO power supply unit 4 to supply power to the image sensor unit 5.

The image sensor unit 5: in this embodiment, the image sensor is a JX-F51, which is a key device capable of converting optical information into electrical signals, and is capable of providing 200 ten thousand image pixels, and communicating and controlling with the multifunctional control unit 7 through the CSI interface.

IR-CUT and lens unit 6: the IR-CUT is characterized in that a group of filters are arranged in the camera lens group, and when the photosensitive device detects the intensity change of light, the built-in IR-CUT can switch the filters to correct the color cast problem in the daytime, and the brightness at night is improved, so that the image achieves the optimal effect. Therefore, the double filters can automatically switch the filters in daytime or at night, and the optimal imaging effect can be obtained. The lens refers to a component on the camera that receives an optical object and adjusts it so as to realize optical imaging, and provides optical imaging for the camera, assisting the image sensor unit 5.

Multifunctional control unit 7: in this embodiment, the multifunctional control unit 7 is an RTL8735 chip. It has the following functions:

the system has ISP and H265/H264 video coding functions, and can better restore the image information of the image sensor unit 5 into real image video information; the system has the WiFi function, and can transmit the image audio and video information to a network cloud platform through a 5G or 2.4G network of wireless WiFi; the Bluetooth intelligent monitoring camera has the BLE function, and Bluetooth can be used for parameter configuration of a network connected with the low-power intelligent monitoring camera; the audio encoder/decoder has the audio encoding/decoding function, can convert the analog signals of the audio input unit into digital signals, and can transmit the digital signals through a WiFi wireless network; the audio digital signal of the network can be received and restored to an analog signal, and the analog signal is output through the audio output unit, so that the network intercom function of the low-power-consumption intelligent monitoring camera can be realized;

the storage function is also provided, and the image information and the audio and video information can be stored in the SD card through the SD card storage unit 10; the infrared light supplementing unit 11 has a logic control function, can judge whether the light supplementing unit is working or not in daytime or night through the photosensitive sensor; whether a person enters the monitoring area or not can be judged through the signal of the PIR sensor unit 14, and whether the functions of snapshot or video recording and the like are started or not is controlled; the intelligent monitoring system has the low-power consumption function, and can monitor or talk over in real time through a remote APP or PIR wake-up system.

In this embodiment, the WiFi communication of the low power consumption intelligent monitoring camera has 2.4G and 5G, and compared with the traditional 2.4G monitoring camera, the low power consumption intelligent monitoring camera can be connected with the WiFi of the 5G wireless router, the compatibility is more friendly, the low power consumption intelligent monitoring camera cannot be limited to the WiFi connection of 2.4G, and the low power consumption intelligent monitoring camera is more matched with the information age of rapid development, and can adapt to the development requirement of the modern society.

WiFi/BLE antenna element 8: the camera is provided with a WiFi link and a BLE link for transceiving data.

Audio input/output unit 9: the audio input means that the audio input is provided through the MIC pickup; the audio output means that the SOC main control unit outputs an audio signal, the audio signal is amplified by the power amplifier and then output to the loudspeaker, and the loudspeaker emits sound.

SD card storage unit 10: providing storage of pictures and audio video recordings for the camera.

The infrared light filling unit 11: the camera is provided with the light supplementing function, so that the camera can normally shoot and record pictures at night.

Photosensor unit 12: and the infrared light supplementing device is used for judging whether the current environment is daytime or night, and the auxiliary camera is used for starting and stopping the IR-CUR and the infrared light supplementing function.

The second LDO power supply unit 13: the direct current 5.0V power supply is converted into 3.3V through the second LDO power supply unit 13, and the PIR sensor unit 14 is independently provided with power.

PIR sensor unit 14: the PIR sensor unit 14 outputs a signal to inform the multifunctional control unit 7 to wake up the system for capturing, recording or intercom when a person enters the sensor sensing range.

The traditional low-power consumption monitoring camera is composed of a main control chip with an ISP, a WiFi chip and an auxiliary low-power consumption MCU, wherein peripheral circuits are complex, and the cost is correspondingly high; the low-power-consumption intelligent monitoring camera adopts the latest multifunctional main control chip with ISP and WiFi integration, has the low-power-consumption function, does not need to be externally hung with a low-power-consumption MCU or a low-power-consumption WiFi chip to serve as an auxiliary CPU, reduces the cost, simultaneously enables the design to be smaller and more exquisite, reduces circuits of the WiFi and the auxiliary low-power-consumption MCU, enables the circuit to be simpler, enables the design to be smaller and more exquisite and portable, simultaneously can reduce the cost, and greatly improves the market competitiveness.

Particularly, the traditional monitoring camera adopts a Linux system with slower starting time and correspondingly slower image outputting time, and the user experience feel is poorer due to the slow image outputting; in order to solve the problem of slow image, the low-power-consumption intelligent monitoring camera adopts a FreeRTOS system, can rapidly finish starting and presenting a first picture, greatly shortens image time, and provides a new and rapid experience for users. In addition, the configuration can give the consumer a plurality of choices, and the consumer can select different configurations according to different requirements: (1) optionally only an adapter is used for supplying power without a battery; (2) optionally only providing battery-operated adapter power; (3) both adapter and battery options.

While the utility model has been described with reference to specific embodiments, the scope of the utility model is not limited thereto, and any changes or substitutions can be easily made by those skilled in the art within the scope of the utility model disclosed herein, and are intended to be covered by the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The word 'comprising' does not exclude the presence of elements or steps not listed in a claim. The word 'a' or 'an' preceding an element does not exclude the presence of a plurality of such elements. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims

1. The utility model provides a low-power consumption intelligent monitoring camera which characterized in that, includes wiFi and BLE antenna element, multi-functional control unit, image sensor unit and IR-CUT and camera lens unit, wiFi and BLE antenna element and image sensor unit respectively with multi-functional control unit electric connection, IR-CUT and camera lens unit pass through image sensor unit with multi-functional control unit electric connection.

2. The low power intelligent monitoring camera of claim 1, wherein the multifunctional control unit employs an RTL8735 chip, and has ISP and H265/H264 video coding functions, wiFi functions, BLE functions, audio codec functions, storage functions, logic control functions, and low power functions.

3. The low power consumption intelligent monitoring camera of claim 2, wherein the WiFi function of the multifunctional control unit is used to transmit the video and audio information to the network cloud platform through a 5G or 2.4G network of wireless WiFi.

4. A low power intelligent monitoring camera according to claim 3, wherein the WiFi and BLE antenna units are configured to provide data transceiving of a WiFi link and a BLE link for the monitoring camera.

5. The low power consumption intelligent monitoring camera according to claim 4, wherein the model of the image sensor unit is set to be JX-F51, and the image sensor unit communicates with and controls the multifunctional control unit through a CSI interface.

6. The low power intelligent monitoring camera of claim 5, wherein the IR-CUT and lens unit is provided with a filter for correcting daytime color cast problems while improving night brightness, providing optical imaging for the camera, and assisting the image sensor unit.

7. The low-power consumption intelligent monitoring camera according to claim 1, further comprising a power adapter unit and a DC-DC power supply unit, wherein the DC-DC power supply unit is electrically connected with the multifunctional control unit, the power adapter unit is electrically connected with the DC-DC power supply unit, the power adapter unit is used for converting commercial power into 5.0V direct current power, and the DC-DC power supply unit is used for achieving a function of raising and lowering voltage.

8. The low-power consumption intelligent monitoring camera of claim 7, further comprising a battery unit, wherein the battery unit is electrically connected with the power adapter unit and the power adapter unit, respectively, the power adapter unit is further used for charging the battery unit, and the battery unit is provided with a charging interface and an external power supply interface.

9. The low power intelligent monitoring camera of claim 8, further comprising a PIR sensor unit electrically connected to the multifunctional control unit, the PIR sensor unit configured to provide a body detection for the camera, and inform the multifunctional control unit to wake up a system for capturing, recording or intercom.

10. The low power intelligent monitoring camera of claim 9, wherein the low power function of the multifunctional control unit is monitored or talked in real time by waking up the system through a remote APP or the PIR sensor unit.

11. The low power consumption intelligent monitoring camera of claim 10, further comprising a first LDO power supply unit and a second LDO power supply unit, the first LDO power supply unit and the second LDO power supply unit each electrically connected to the DC-DC power supply unit, the first LDO power supply unit configured to convert 3.3V of the DC-DC power supply unit to 1.8V and 2.8V to provide power for the image sensor unit; the second LDO power supply unit is used for converting direct-current 5.0V power supply into 3.3V power supply to independently provide power for the PIR sensor unit.

12. The low power consumption intelligent monitoring camera according to claim 1, further comprising an SD card storage unit and an audio input/output unit, wherein the SD card storage unit and the audio input/output unit are electrically connected to the multifunctional control unit, respectively.

13. The low-power consumption intelligent monitoring camera according to claim 1, further comprising an infrared light supplementing unit and a photosensitive sensor unit, wherein the infrared light supplementing unit and the photosensitive sensor unit are respectively electrically connected with the multifunctional control unit.