CN110855865A - Solar camera - Google Patents

Solar camera Download PDF

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Publication number
CN110855865A
CN110855865A CN201911145998.3A CN201911145998A CN110855865A CN 110855865 A CN110855865 A CN 110855865A CN 201911145998 A CN201911145998 A CN 201911145998A CN 110855865 A CN110855865 A CN 110855865A
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CN
China
Prior art keywords
module
charging
solar
power supply
resistor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911145998.3A
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Chinese (zh)
Inventor
任斌
李建浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Century Lile Technology Co Ltd
Original Assignee
Shenzhen Century Lile Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Century Lile Technology Co Ltd filed Critical Shenzhen Century Lile Technology Co Ltd
Priority to CN201911145998.3A priority Critical patent/CN110855865A/en
Publication of CN110855865A publication Critical patent/CN110855865A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/2251Constructional details
    • H04N5/22521Elements optimizing image sensor operations, e.g. EMF protection, heat transfer, moisture or dust
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068Battery or charger load switching, e.g. concurrent charging and load supply
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells

Abstract

The invention discloses a solar camera, which is provided with a solar energy conversion module for collecting solar energy and converting the solar energy into electric energy and then transmitting the electric energy to a power supply module, wherein the power supply module is respectively connected with a main control module and an external charging output module; the technical problems that in the prior art, the camera can work only by an external power supply and cannot provide a charging function for external electronic equipment are solved, and the solar camera can be self-powered and can supply power outwards are provided.

Description

Solar camera
Technical Field
The invention relates to the technical field of cameras, in particular to a solar camera.
Background
With the continuous development of science and technology, new products with better performance and more comprehensive functions are continuously developed from application products in various technical fields. As one of the important devices for image acquisition, a camera has excellent product performance and more comprehensive auxiliary functions, and is one of the consideration conditions for consumers to purchase and use.
Therefore, in order to gain the favor of more consumers, how to perform necessary performance optimization or function addition on the camera becomes a technical problem to be solved by those skilled in the art in the process of developing the camera.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a solar camera which can be self-powered and can supply power outwards.
In a first aspect, an embodiment of the present invention provides a solar camera, including: the device comprises a solar energy conversion module, a power supply module, a main control module, an image acquisition module and an external charging output module;
the main control module is connected with the image acquisition module to control the working state of the image acquisition module;
the solar energy conversion module is connected with the input end of the power supply module so as to convert solar energy into electric energy and transmit the electric energy to the power supply module;
the power supply module is respectively connected with the main control module and the external charging output module and respectively supplies power to the main control module and the external charging output module.
The solar camera provided by the embodiment of the invention at least has the following beneficial effects:
the solar camera in the embodiment of the invention is provided with a solar energy conversion module for collecting solar energy and converting the solar energy into electric energy and then transmitting the electric energy to the power supply module, the power supply module is respectively connected with the main control module and the external charging output module, and after the power supply module is connected with external electronic equipment through the external charging output module, the solar camera can charge the external electronic equipment; the technical problems that in the prior art, the camera can work only by an external power supply and cannot provide a charging function for external electronic equipment are solved, and the solar camera can be self-powered and can supply power outwards are provided.
According to other embodiments of the present invention, a solar camera further comprises a wireless transmission module;
the power supply module is connected with the wireless transmission module and is used for providing a working power supply for the wireless transmission module;
the main control module is connected with the wireless transmission module and used for controlling the working state of the wireless transmission module.
According to other embodiments of the present invention, a solar camera, the power module comprises a voltage conversion circuit and an energy storage battery;
the energy storage battery is respectively connected with the voltage conversion circuit and the external charging output circuit;
the voltage conversion circuit is respectively connected with the main control module and the wireless transmission module.
According to other embodiments of the solar camera of the present invention, the wireless transmission module is a WIFI module.
According to still further embodiments of the present invention, the solar conversion module includes: the solar energy collecting unit, the rectifying unit and the charging switch control unit;
the solar energy collecting unit is connected with the rectifying unit so as to convert solar energy into electric energy and then carry out rectifying treatment;
the rectification unit is connected with the charging switch control unit, and the charging switch control unit is connected with the power module and used for charging the power module.
According to other embodiments of the present invention, a solar camera includes a solar energy collection unit, the solar energy collection unit includes a polycrystalline silicon plate, the rectifying unit includes a first rectifying diode, and the charging switch control unit includes a first MOS transistor, a first resistor, a second resistor, a third resistor, a first diode, and a switch control chip; the output end of the polycrystalline silicon plate is connected with the negative electrode of the first rectifier diode, the positive electrode of the first rectifier diode is respectively connected with the first end of the first resistor and the source electrode of the first MOS tube, the second end of the first resistor is respectively connected with the first end of the second resistor and the grid electrode of the first MOS tube, the second end of the second resistor is connected with the output end of the switch control chip, the output end of the power module is connected with the positive electrode of the first diode, the negative electrode of the first diode is respectively connected with the first end of the third resistor and the input end of the switch control chip, the second end of the third resistor and the grounding end of the switch control chip are respectively connected with a power ground, and the drain electrode of the first MOS tube is connected with the input end of the power module.
According to other embodiments of the present invention, a solar camera further comprises an external power input circuit;
the external power supply input circuit is connected with the power supply module and used for transmitting electric energy of an external input power supply to the power supply module.
According to still other embodiments of the present invention, the external power input circuit includes: the charging management system comprises an external power input interface, an overvoltage protection unit, a voltage stabilizing and filtering unit and a charging management unit;
the external power input interface is respectively connected with the overvoltage protection unit, the voltage-stabilizing filtering unit and the charging management unit;
the charging management unit is connected with the power supply module and used for charging the power supply module.
According to still further embodiments of the present invention, the external power interface is a first USB interface, the overvoltage protection unit is a first bidirectional diode, the voltage stabilizing and filtering unit comprises a first capacitor, a second capacitor and a second diode, the charging management unit comprises a charging control chip, the voltage output end of the first USB interface is respectively connected with the first end of the first bidirectional diode, the anode of the second diode and the input end of the charging control chip, the cathode of the second diode is respectively connected with the first end of the first capacitor, the first end of the second capacitor and a system power supply, the second end of the first capacitor, the second end of the second capacitor and the second end of the first bidirectional diode are respectively connected with a power ground, and the output end of the charging management chip is connected with the input end of the power module.
According to the solar camera of other embodiments of the present invention, the main control module is a chip model MB95F636KPMC-G-UNE 2.
Drawings
Fig. 1 is a block diagram of a solar camera according to an embodiment of the present invention;
fig. 2 is a circuit diagram of an embodiment of a voltage conversion circuit in a solar camera according to the present invention;
fig. 3 is a circuit diagram of another embodiment of a voltage conversion circuit in a solar camera according to an embodiment of the present invention;
fig. 4 is a circuit diagram of an embodiment of a solar conversion module in a solar camera according to the present invention;
fig. 5 is a circuit diagram of another embodiment of a solar energy conversion module in a solar camera according to an embodiment of the present invention;
fig. 6 is a circuit diagram of an embodiment of an external charging output module in a solar camera according to the present invention;
fig. 7 is a circuit diagram of an embodiment of a solar camera in which an external power input circuit includes an external power input interface, an overvoltage protection unit, and a voltage stabilizing and filtering unit;
fig. 8 is a circuit diagram of an embodiment of a solar camera according to the present invention, in which an external power input circuit includes a charging management unit;
fig. 9 is a schematic circuit diagram of a main control module in a solar camera according to an embodiment of the present invention.
Detailed Description
The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
In the description of the embodiments of the present invention, if reference is made to "first", "second", "third", etc., it should be understood as being used for distinguishing technical features, and it should not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
Referring to fig. 1, in an embodiment of the present invention, a solar camera includes: the solar charging system comprises a solar energy conversion module, a power supply module, a main control module, an image acquisition module and an external charging output module. The solar energy conversion module is connected with the power supply module and is used for converting solar energy into electric energy by the solar energy module and transmitting the electric energy to the power supply module; the power supply module is respectively connected with the external charging output module and the main control module and is used for supplying power to the external charging output module and the main control module; the main control module is connected with the image acquisition module and is used for controlling the working state of the image acquisition module. In the embodiment of the invention, the solar energy conversion module is connected with the power supply module, the solar energy is converted into the electric energy to provide a working power supply for the self-working of the camera, and the external power supply output module is connected with the power supply module to charge the electric energy stored by the power supply module in the solar camera for the external electronic equipment, so that the technical problems that the camera needs an external power supply to provide the working power supply for the camera and cannot provide a charging function for the external electronic equipment in the prior art are solved, and the solar camera capable of self-powering and supplying power outwards is provided.
In some embodiments, the solar camera further comprises a wireless transmission module, the wireless transmission module is arranged and can be used for transmitting image information collected by the solar camera to external equipment in a wireless transmission mode, the wireless transmission module is arranged and enables the solar camera to be independently installed and used, and wireless installation and use are completely achieved (power is supplied by the power supply through the solar conversion module, and data transmission is carried out through the wireless transmission module). In the embodiment of the invention, the wireless transmission module can be set as a WIFI module, the power supply module is connected with the WIFI module and used for providing working power supply for the WIFI module, and the main control module is connected with the WIFI module and used for controlling the working state of the WIFI module.
In some embodiments, the power module of the solar camera includes an energy storage battery and a voltage conversion circuit, the solar conversion module is connected to the energy storage battery, and transmits the converted electric energy to the energy storage battery, the energy storage battery is respectively connected to the voltage conversion circuit and the external charging output module, and the voltage conversion circuit converts the voltage transmitted by the energy storage battery and outputs the converted voltage to the main control module and the WIFI module, so as to provide a working voltage for the main control module and the WIFI module. Wherein, the energy storage battery is a lithium battery.
Referring to fig. 2, in the embodiment of the present invention, the voltage conversion circuit includes a resistor R1, a resistor R2, a resistor R3, an inductor L1, a voltage conversion chip U1, and capacitors C1 to C5; the voltage conversion chip U1 is a SY8089 chip, a first end of the resistor R2 is connected to the main control module, a second end of the resistor R2 is connected to a first end of the capacitor C5 and an enable end EN of the voltage conversion chip U1, a first end of the capacitor C1 is connected to a first end of the capacitor C2, a voltage input end IN of the voltage conversion chip U1 and a system power VCC _ SYs, a second end of the capacitor C1 and a second end of the capacitor C2 are connected to a power ground, an inductance pin LX of the voltage conversion chip U1 is connected to a first end of the inductor L1, an output feedback pin FB of the voltage conversion chip U1 is connected to a first end of the resistor R3 and a first end of the resistor R1, a second end of the resistor R3 is connected to a ground terminal GND of the voltage conversion chip U1 and a power ground, a second end of the resistor R1 is used as an output end of the voltage conversion circuit, and is connected to a second end of the inductor L1 and a second end of the capacitor C3, A first terminal of the capacitor C4 is connected, and a second terminal of the capacitor C3 and a second terminal of the capacitor C4 are connected to a power ground, respectively. In this embodiment, the output voltage is controlled by setting the resistor R1 and the resistor R3, and the output voltage can be specifically expressed as: VOUT is 0.6 × (1+ R1/R3), and in this embodiment, the values of the resistor R1 and the resistor R3 are set so that the voltage conversion circuit outputs 3.3V to supply power to the WIFI module and the main control module.
In some embodiments, the image capturing module includes a DSP processing module and a sensor, and then referring to fig. 3, the voltage conversion circuit is configured to output multiple paths of outputs to simultaneously power the DSP processor and the sensor, and the resistance of the output adjusting resistor (which is equivalent to changing the values of the resistor R1 and the resistor R3) is specifically set according to the difference of the power supply objects, so as to output a specific voltage, in this embodiment, by setting the three output voltage conversion circuits, 3.3V is output to power the WIFI module and the main control module, 1.8V is output to power the sensor, and 1V is output to power the DSP processor. Obviously, under other similar conditions, the technical scheme protected by the invention is also provided by correspondingly adding a plurality of outputs to supply power for different devices.
In some embodiments, the solar energy conversion module includes a solar energy collection unit, a rectification unit, and a charging switch control unit. The solar energy collection unit converts solar energy into electric energy and then rectifies the electric energy through the rectifying unit, and the electric energy output by the rectifying unit is controlled by the charging switch control unit to charge the energy storage battery. Specifically, referring to fig. 4, the SOLAR energy collection unit in this embodiment includes a polysilicon plate SOLAR1, the rectifying unit includes a first rectifying diode D1, and the charging switch control unit includes a first MOS transistor Q1, a first resistor R12, a second resistor R51, a third resistor R19, a first diode D6, and a switch control chip U5. In this embodiment, the switch control chip is an LN61C-N3602MR chip. An output end of the polysilicon plate SOLAR1 is connected with an anode of a first rectifying diode D1, a cathode of a first rectifying diode D1 is connected with a first end of a first resistor R12 and a source of a first MOS transistor Q1 respectively, a second end of a first resistor R12 is connected with a first end of a second resistor R51 and a gate of the first MOS transistor Q1 respectively, a second end of a second resistor R51 is connected with an output end of the on-off control chip U5, an output end VCC _ BAT of the power module is connected with an anode of the first diode D6, a cathode of the first diode D6 is connected with a first end of the third resistor R19 and an input end of the switch control chip U5 respectively, a second end of the third resistor R19 and a ground end of the switch control chip U5 are connected with a power ground respectively, and a drain of the first MOS transistor Q1 serving as a drain of the SOLAR energy conversion module is connected with the energy storage battery for charging the energy storage battery. Through being provided with above-mentioned solar energy conversion module, can realize preventing the overcharge of energy storage battery, the overdischarge condition to charge for the energy storage battery after stepping up the electric energy of polycrystalline silicon board conversion.
In addition, referring to fig. 5, in some embodiments, a plurality of polysilicon plates may be provided for collecting solar energy, and a plurality of rectifier diodes may be provided for rectifying currents output by the plurality of polysilicon plates, and the process principle of implementation thereof corresponds to the above solar energy conversion module with reference to each other, which is not described herein again.
Referring to fig. 6, in some embodiments, the external charging output module of the solar camera includes a charging transformer chip IC100, a capacitor C101 to a capacitor 108, a resistor R101, a resistor R102, a light emitting diode D101, an inductor L101, and a charging output interface. In this embodiment, the charge transformer chip IC100 is an IP5305 chip. Specifically, a first end of the capacitor C101 is connected to a first end of the resistor R101, a first end of the capacitor C103, and a VIN pin of the charging transformer chip IC100, the energy storage battery BAT is connected to a LED1 pin of the charging transformer chip IC100, an anode of the light emitting diode D101, a first end of the inductor L101, and a first end of the resistor R102, a cathode of the light emitting diode D101 is connected to a second end of the capacitor C101, a second end of the resistor R101, a second end of the capacitor C103, a PGND pin of the charging transformer chip IC100, and a power ground, a second end of the inductor L101 is connected to a SW pin of the charging transformer chip IC100, a second end of the resistor R102 is connected to a BAT pin of the charging transformer chip IC100 and a first end of the capacitor C104, and a second end of the capacitor C104 is connected to a second end of the capacitor C105, a second end of the capacitor C106, a second end of the capacitor C107, a second end of the capacitor C108, and. The VOUT pin of the charging transformer chip IC100 is connected to the first end of the capacitor C106, the first end of the capacitor C107, the first end of the capacitor C108, and the charging output interface J101, wherein the charging output interface J101 is a TYPE-a interface, i.e., a USB interface. In this embodiment, the charging transformer chip IC100 is arranged to boost the voltage output by the energy storage battery to 5V and output the voltage to the charging output interface J101 to supply power to the external electronic device.
Referring to fig. 7 and 8, in an embodiment of the present invention, the solar camera includes an external power input circuit, the external power input circuit is connected to the energy storage battery, and is configured to transmit electric energy of an external input power to the power module, and specifically, the external power input circuit includes an external power input interface, an overvoltage protection unit, a voltage stabilization filtering unit, and a charging management unit; in the embodiment of the invention, the external power interface is a first USB interface, the overvoltage protection unit is a first bidirectional diode D4, the voltage-stabilizing filter unit comprises a first capacitor C12, a second capacitor C13 and a second diode D2, and the charging management unit comprises a charging control chip U18 and a peripheral circuit. Wherein, the charging control chip U18 is a TP4056 type chip. Specifically, the voltage output terminal VCC of the first USB interface is connected to the first end of the first bidirectional diode D4, the anode of the second diode D2, the VCC pin of the charging control chip U18, and the CE pin of the charging control chip U18, the cathode of the second diode D2 is connected to the first end of the first capacitor C12, the first end of the second capacitor C12, and the system power supply, and the second end of the first capacitor C12, the second end of the second capacitor C12, and the second end of the first bidirectional diode D4 are connected to the power ground. In an embodiment of the present invention, the peripheral circuit of the charge management unit includes: the LED13, the resistor R59, the resistor R60, the resistor R61, the capacitor C50 and the capacitor C51; the anode of the light emitting diode LED13 is connected to the VCC pin of the charging control chip U18, the CE pin of the charging control chip U18, and the first end of the capacitor C51, the cathode of the light emitting diode LED13 is connected to the first end of the resistor R60, the second end of the resistor R60 is connected to the first end of the resistor R61 and the CHRG pin of the charging control chip U18, the second end of the resistor R61 is connected to the main control module, the PROG pin of the charging control chip U18 is connected to the first end of the resistor R59, the BAT pin of the charging control chip U18 is connected to the first end of the capacitor C50 and the energy storage battery, the second end of the capacitor C50, the second end of the capacitor C51, and the second end of the resistor R59 are connected to the power ground, and the PAD pin, GND pin, and TEMP pin of the charging control chip U18 are connected to the power ground. In the embodiment of the invention, after a 5V input power supply is obtained through the external power supply input interface, the voltage is reduced to 4.2V through the charging control chip U18, and the energy storage battery is charged.
In combination with the external charging output module and the external power input circuit (refer to fig. 6 to 8), the VIN pin of the charging transformer chip IC100 is connected to the VCC pin of the charging control chip U18 and the CE pin of the charging control chip U18, so that the energy storage battery can be continuously charged while being discharged.
In addition, in some embodiments, the solar camera is further provided with an infrared LED lamp, an infrared sensing circuit and a human body sensing circuit, the infrared circuit senses ambient light by adopting a photosensitive diode and sends a sensing signal to the main control module, and the main control module controls the infrared LED lamp to be turned on or turned off according to the received sensing signal. The human body sensing circuit obtains human body temperature information in an infrared detection mode and then transmits the human body temperature information to the main control module, and the main control module controls the solar camera of the embodiment of the invention to enter a working mode. In this embodiment infrared LED lamp, infrared induction circuit and human sensing circuit all can adopt current mature technique to be applied to solar camera, aim at makes solar camera more energy-conserving, is favorable to prolonging the operating time of solar camera. In the embodiment of the present invention, the main control module is a chip of model MB95F636KPMC-G-UNE2, and a specific pin diagram thereof can refer to fig. 9.
In summary, in the solar camera in the embodiment of the present invention, the solar conversion module is arranged to collect solar energy and convert the solar energy into electric energy, and transmit the electric energy to the power module, the power module is respectively connected to the main control module and the external charging output module, and after the power module is connected to the external electronic device through the external charging output module, the solar camera can charge the external electronic device; the technical problems that in the prior art, the camera can work only by an external power supply and cannot provide a charging function for external electronic equipment are solved, and the solar camera can be self-powered and can supply power outwards are provided.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A solar camera, comprising: the device comprises a solar energy conversion module, a power supply module, a main control module, an image acquisition module and an external charging output module;
the main control module is connected with the image acquisition module to control the working state of the image acquisition module;
the solar energy conversion module is connected with the input end of the power supply module so as to convert solar energy into electric energy and transmit the electric energy to the power supply module;
the power supply module is respectively connected with the main control module and the external charging output module and respectively supplies power to the main control module and the external charging output module.
2. The solar camera of claim 1, further comprising a wireless transmission module;
the power supply module is connected with the wireless transmission module and is used for providing a working power supply for the wireless transmission module;
the main control module is connected with the wireless transmission module and used for controlling the working state of the wireless transmission module.
3. The solar camera of claim 2, wherein the power module comprises a voltage conversion circuit and an energy storage battery;
the energy storage battery is respectively connected with the voltage conversion circuit and the external charging output circuit;
the voltage conversion circuit is respectively connected with the main control module and the wireless transmission module.
4. The solar camera according to claim 2 or 3, wherein the wireless transmission module is a WIFI module.
5. The solar camera according to any one of claims 1 to 3, wherein the solar conversion module comprises: the solar energy collecting unit, the rectifying unit and the charging switch control unit;
the solar energy collecting unit is connected with the rectifying unit so as to convert solar energy into electric energy and then carry out rectifying treatment;
the rectification unit is connected with the charging switch control unit, and the charging switch control unit is connected with the power module and used for charging the power module.
6. The solar camera head as claimed in claim 5, wherein the solar energy collecting unit comprises a polysilicon plate, the rectifying unit comprises a first rectifying diode, and the charging switch control unit comprises a first MOS transistor, a first resistor, a second resistor, a third resistor, a first diode and a switch control chip; the output end of the polycrystalline silicon plate is connected with the negative electrode of the first rectifier diode, the positive electrode of the first rectifier diode is respectively connected with the first end of the first resistor and the source electrode of the first MOS tube, the second end of the first resistor is respectively connected with the first end of the second resistor and the grid electrode of the first MOS tube, the second end of the second resistor is connected with the output end of the switch control chip, the output end of the power module is connected with the positive electrode of the first diode, the negative electrode of the first diode is respectively connected with the first end of the third resistor and the input end of the switch control chip, the second end of the third resistor and the grounding end of the switch control chip are respectively connected with a power ground, and the drain electrode of the first MOS tube is connected with the input end of the power module.
7. The solar camera according to any one of claims 1 to 3, further comprising an external power input circuit;
the external power supply input circuit is connected with the power supply module and used for transmitting electric energy of an external input power supply to the power supply module.
8. The solar camera of claim 7, wherein the external power input circuit comprises: the charging management system comprises an external power input interface, an overvoltage protection unit, a voltage stabilizing and filtering unit and a charging management unit;
the external power input interface is respectively connected with the overvoltage protection unit, the voltage-stabilizing filtering unit and the charging management unit;
the charging management unit is connected with the power supply module and used for charging the power supply module.
9. The solar camera according to claim 8, wherein the external power interface is a first USB interface, the overvoltage protection unit is a first bidirectional diode, the voltage stabilizing and filtering unit comprises a first capacitor, a second capacitor and a second diode, the charging management unit comprises a charging control chip, the voltage output end of the first USB interface is respectively connected with the first end of the first bidirectional diode, the anode of the second diode and the input end of the charging control chip, the cathode of the second diode is respectively connected with the first end of the first capacitor, the first end of the second capacitor and a system power supply, the second end of the first capacitor, the second end of the second capacitor and the second end of the first bidirectional diode are respectively connected with a power ground, and the output end of the charging management chip is connected with the input end of the power module.
10. The solar camera according to any one of claims 1 to 3, wherein the main control module is a model MB95F636KPMC-G-UNE2 chip.
CN201911145998.3A 2019-11-21 2019-11-21 Solar camera Pending CN110855865A (en)

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CN201911145998.3A CN110855865A (en) 2019-11-21 2019-11-21 Solar camera
PCT/CN2019/128966 WO2021098009A1 (en) 2019-11-21 2019-12-27 Solar camera

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US20180302559A1 (en) * 2017-04-18 2018-10-18 Chi Yuen Lee Fast activating video camera with solar supplemented charging
CN107181299A (en) * 2017-06-15 2017-09-19 浙江吉利控股集团有限公司 Portable power source for outdoor power supply
CN206932315U (en) * 2017-08-05 2018-01-26 刘一锋 It is a kind of with solar recharging or commercial power charged to be wirelessly transferred camera

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