CN212137820U - Mobile video monitoring device - Google Patents
Mobile video monitoring device Download PDFInfo
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- CN212137820U CN212137820U CN202020884134.5U CN202020884134U CN212137820U CN 212137820 U CN212137820 U CN 212137820U CN 202020884134 U CN202020884134 U CN 202020884134U CN 212137820 U CN212137820 U CN 212137820U
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- rod
- mobile video
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a mobile video monitoring device, which comprises a device body, wherein a plurality of wheels are arranged at the bottom of the device body, and an installation rod is arranged on the device body; the camera is arranged on the mounting rod; a solar panel mounted on the mounting bar; the input end of the direct current converter is connected with the output end of the solar panel; the rechargeable battery is connected with the output end of the direct current converter and supplies power to the camera; the input end of the maximum power tracking module is connected with the output end of the solar panel; and the input end of the PWM controller is connected with the output end of the maximum power tracking module, and the output end of the PWM controller is connected with the direct current converter. The device is additionally provided with a maximum power tracking module and a PWM controller to control the direct current converter, so that the direct current converter can work at proper output power, and the conversion efficiency of solar energy is improved. The utility model discloses can wide application in the supervisory equipment field.
Description
Technical Field
The utility model belongs to the technical field of the supervisory equipment and specifically relates to a remove video monitoring device.
Background
At present, more and more large-scale activities are carried out in temporary places such as open squares, gymnasiums and the like, and the temporary places are not necessarily provided with enough security facilities to meet the activity requirements. Therefore, some mobile video monitoring devices have come into use, and usually because of the difficulty of wiring, these monitoring devices are powered by batteries, and in order to improve the endurance, a solar module is usually added as an energy source.
However, the output voltage of the solar panel is affected by the environment, and the solar panel cannot effectively charge the battery.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a: a mobile video monitoring device is provided to improve the conversion efficiency of solar energy.
The utility model adopts the technical proposal that:
a mobile video surveillance apparatus, comprising:
the device comprises a device body, a plurality of wheels are arranged at the bottom of the device body, and an installation rod is arranged on the device body;
the camera is arranged on the mounting rod;
a solar panel mounted on the mounting bar;
the input end of the direct current converter is connected with the output end of the solar panel;
the rechargeable battery is connected with the output end of the direct current converter and supplies power to the camera;
the input end of the maximum power tracking module is connected with the output end of the solar panel;
and the input end of the PWM controller is connected with the output end of the maximum power tracking module, and the output end of the PWM controller is connected with the direct current converter.
Further, the installation pole is including cup jointing the first body of rod, the second body of rod and the locking mechanism of installation, the first body of rod and the second body of rod can relative motion, the first body of rod is fixed on the device body, camera and/or solar panel install on the second body of rod, locking mechanism is used for fixing the first body of rod with the second body of rod.
Furthermore, the device also comprises an electrical property acquisition module, a processor and a wireless communication module, wherein the input end of the electrical property acquisition module is connected with the rechargeable battery, the output end of the electrical property acquisition module is connected with the input end of the processor, and the processor is respectively connected with the camera and the electrical property acquisition module.
Furthermore, the electrical property acquisition module comprises a current sampling circuit, a voltage sampling circuit and a battery management chip, wherein the current sampling circuit and the voltage sampling circuit are respectively connected with the input end of the battery management chip.
Further, the wireless communication module is an internet of things module.
Further, the wireless communication module comprises a signal processing unit, an antenna and an SIM card slot, wherein the signal processing unit is respectively connected with the antenna and the SIM card slot.
Further, the device also comprises a GPS positioning module, and the GPS positioning module is connected with the processor.
Further, the bottom of the device body is provided with an anchoring mechanism.
The utility model has the advantages that: the device is additionally provided with a maximum power tracking module and a PWM controller to control the direct current converter, so that the direct current converter can work at proper output power, and the conversion efficiency of solar energy is improved.
Drawings
Fig. 1 is a schematic structural diagram of a mobile video monitoring apparatus according to an embodiment of the present invention;
fig. 2 is a block diagram of a mobile video monitoring apparatus according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, the present embodiment discloses a mobile video monitoring apparatus, which includes:
the device comprises a device body 110, wherein a plurality of wheels 130 are mounted at the bottom of the device body 110, and a mounting rod 120 is mounted on the device body 110. The bottom in this embodiment refers to a surface of the device that faces the ground when the device is normally deployed.
A camera 150 mounted on the mounting bar 120; wherein, the camera can adopt realization such as ball machine, camera rifle, and in addition, the camera can be from taking wireless transmission function, turning to function, take a night or memory function.
A solar panel 140 mounted on the mounting bar 120; wherein, solar panel is equipped with steering mechanism, and this steering mechanism can be automatic control, also can manually control. For example, a solar tracking device may be installed for the solar panel 140, the position of the sun is sensed by a sensor, and then the solar panel is driven to change the posture based on a driving mechanism of the solar panel, thereby obtaining more solar energy.
The input end of the direct current converter is connected with the output end of the solar panel; the DC converter in this embodiment refers to a DC-DC converter, and the purpose of the DC converter is to adjust the output voltage of the solar panel so that the solar panel can charge the rechargeable battery.
The rechargeable battery is connected with the output end of the direct current converter and supplies power to the camera; specifically, in the present embodiment, the rechargeable battery supplies power to all the electronic components, and when the rechargeable battery is selected as the rechargeable battery, it is necessary to configure a dc voltage reducing circuit to reduce the voltage of the rechargeable battery so as to satisfy the operating voltage of the electronic components.
The input end of the maximum power tracking module is connected with the output end of the solar panel; the MPPT controller can detect the generated voltage of the solar panel in real time and track the maximum voltage current Value (VI), so that the system charges the storage battery with the maximum Power output.
The maximum power tracking module adjusts the duty ratio of a PWM (pulse width modulation) driving signal of the DC converter according to the change of the current and the voltage in the solar panel array by detecting the change of the current and the voltage in the solar panel array so as to enable the solar panel array to output the maximum power.
And the input end of the PWM controller is connected with the output end of the maximum power tracking module, and the output end of the PWM controller is connected with the direct current converter. And the PWM controller changes the PWM duty ratio output by the PWM controller based on the output signal of the maximum power tracking module, so that the output power of the direct current converter is maximized.
In some embodiments, in order to facilitate the height adjustment of the camera or the solar panel on the site, the installation rod includes a first rod body, a second rod body and a locking mechanism, the first rod body and the second rod body are installed in a sleeved mode and can move relatively, the first rod body is fixed on the device body, the camera and/or the solar panel is installed on the second rod body, and the locking mechanism is used for fixing the first rod body and the second rod body. When the locking mechanism is in a loosening state, the first rod body and the second rod body can move relatively, and when the locking mechanism is locked, the first rod body and the second rod body cannot move relatively. Adopt the mode of loop bar in this embodiment for body of rod length can be adjusted, consequently installs camera or solar panel on the second body of rod that can remove for the device body, can obtain height control's function.
Referring to fig. 2, in some embodiments, the apparatus further includes an electrical property acquisition module, a processor and a wireless communication module, an input of the electrical property acquisition module is connected to the rechargeable battery, an output of the electrical property acquisition module is connected to an input of the processor, and the processor is connected to the camera and the electrical property acquisition module, respectively.
The electrical property acquisition module comprises a current sampling circuit, a voltage sampling circuit and a battery management chip, wherein the current sampling circuit and the voltage sampling circuit are respectively connected with the input end of the battery management chip.
In this embodiment, the current sampling circuit may be formed by the right current sensor LA200-P and its peripheral circuit, the voltage sampling circuit is formed by two voltage dividing resistors, and the power management chip is formed by DS2438 and its peripheral circuit. In the embodiment, the battery pack divides the voltage of the 12-24V rechargeable battery into 0-10V through the voltage dividing resistor, and is connected to the DS2438 voltage pin. The current sensor LA200-P obtains the current positive and negative current of the battery, enters a first current monitoring input pin of the DS2438, returns to the ground end through a second current monitoring output pin of the DS2438, and accordingly obtains current information of the battery.
By configuring the electrical property acquisition module, the processor and the wireless communication module, the state data of the battery can be sent out, so that the server can analyze the use state of the battery.
In some embodiments, the wireless communication module is an internet of things module. For example, the module can be an NB-IOT Internet of things module, a Lora module or a GPRS data transmission module and the like.
In some embodiments, the wireless communication module comprises a signal processing unit, an antenna and a SIM card slot, the signal processing unit being connected with the antenna and the SIM card slot, respectively. The signal processing unit of the embodiment adopts the USR-GM3 module to upload the solar control state in real time, the module is simple and convenient to operate, the signal processing unit adopts AT instruction operation control, the solar charging and discharging state is processed by the processor and then sent to the USR-GM3 module, and the USR-GM3 module is configured with an Internet of things card and sent to the server through wireless 2G/4G.
In some embodiments, the device further comprises a GPS location module coupled to the processor.
In this embodiment, a GPS positioning module is further provided, and since the present apparatus is mobile, the GPS positioning module is configured to facilitate determination of the monitoring position at the server.
Referring to fig. 1, in some embodiments, the bottom of the device body 110 is provided with an anchoring mechanism 160. The anchoring mechanism 160 is used to fix the device body 110 in cooperation with other mechanisms to prevent the device body 110 from moving. For example, by a rope, or by a ground-mounted fixture.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (8)
1. A mobile video surveillance device, comprising:
the device comprises a device body, a plurality of wheels are arranged at the bottom of the device body, and an installation rod is arranged on the device body;
the camera is arranged on the mounting rod;
a solar panel mounted on the mounting bar;
the input end of the direct current converter is connected with the output end of the solar panel;
the rechargeable battery is connected with the output end of the direct current converter and supplies power to the camera;
the input end of the maximum power tracking module is connected with the output end of the solar panel;
and the input end of the PWM controller is connected with the output end of the maximum power tracking module, and the output end of the PWM controller is connected with the direct current converter.
2. A mobile video surveillance device according to claim 1, characterized in that the mounting rod comprises a first rod, a second rod and a locking mechanism, the first rod and the second rod are mounted in a sleeved manner, the first rod is fixed on the device body, the camera and/or the solar panel is mounted on the second rod, and the locking mechanism is used for fixing the first rod and the second rod.
3. The mobile video monitoring device according to claim 1, further comprising an electrical property acquisition module, a processor and a wireless communication module, wherein an input terminal of the electrical property acquisition module is connected to the rechargeable battery, an output terminal of the electrical property acquisition module is connected to an input terminal of the processor, and the processor is connected to the camera and the electrical property acquisition module, respectively.
4. The mobile video monitoring device according to claim 3, wherein the electrical property acquisition module comprises a current sampling circuit, a voltage sampling circuit and a battery management chip, and the current sampling circuit and the voltage sampling circuit are respectively connected with an input end of the battery management chip.
5. A mobile video surveillance device according to claim 3, characterized in that the wireless communication module is an internet of things module.
6. The mobile video monitoring device according to claim 3, wherein the wireless communication module comprises a signal processing unit, an antenna and a SIM card slot, and the signal processing unit is connected with the antenna and the SIM card slot respectively.
7. A mobile video surveillance unit according to claim 3, characterized in that the unit further comprises a GPS positioning module, which is connected to the processor.
8. A mobile video surveillance unit according to any of claims 1 to 6, characterized in that the bottom of the unit body is provided with anchoring means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884134.5U CN212137820U (en) | 2020-05-22 | 2020-05-22 | Mobile video monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884134.5U CN212137820U (en) | 2020-05-22 | 2020-05-22 | Mobile video monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212137820U true CN212137820U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020884134.5U Active CN212137820U (en) | 2020-05-22 | 2020-05-22 | Mobile video monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212137820U (en) |
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2020
- 2020-05-22 CN CN202020884134.5U patent/CN212137820U/en active Active
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