CN219697902U - Shared bicycle monitoring sniffing device based on solar charging - Google Patents
Shared bicycle monitoring sniffing device based on solar charging Download PDFInfo
- Publication number
- CN219697902U CN219697902U CN202320573994.0U CN202320573994U CN219697902U CN 219697902 U CN219697902 U CN 219697902U CN 202320573994 U CN202320573994 U CN 202320573994U CN 219697902 U CN219697902 U CN 219697902U
- Authority
- CN
- China
- Prior art keywords
- resistor
- circuit
- main control
- charging
- module
- 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.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 83
- 238000004891 communication Methods 0.000 claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 17
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a solar charging-based shared bicycle monitoring and sniffing device, which comprises a main control module, a Bluetooth sniffing module and a communication module; the solar energy charging system also comprises a solar panel, a charging circuit, a camera module and a storage battery; the solar panel is connected with the storage battery through a charging circuit; the storage battery is used for supplying power to the main control module, the Bluetooth sniffing module, the camera module and the communication module; the storage battery is connected with the Bluetooth sniffing module through a voltage change-over switch circuit; the switch control end of the switch voltage regulator U4 is also connected with the main control module. The utility model integrates the Bluetooth sniffing and the camera, uses solar energy to supply power for the Bluetooth sniffing module and the camera, solves the problem of high power supply cost of the Bluetooth sniffing module, and simultaneously has the functions of remote switch, voltage and current detection and the like of the Bluetooth sniffing module.
Description
Technical Field
The utility model relates to a device for monitoring and sniffing a shared bicycle for outdoor use.
Background
In order to solve the problem of inconvenient management of city sharing bicycles, the prior art provides a solution for monitoring and managing the sharing bicycles based on a Bluetooth sniffing mode.
The utility model patent application of China with publication number of CN114842581A provides a city sharing bicycle locking control system and a management control method based on Bluetooth, which are used for monitoring data information of sharing bicycles in real time through a Bluetooth sniffing terminal, communicating interaction instructions with a cloud management server and managing a parking management and control area, and realizing control automation and accuracy without any remote control, thereby having good economic and social benefits.
However, the conventional sniffing device is independently installed, and needs to be paved with power supply facilities independently, so that the cost is high and the construction period is long. On the other hand, the sniffing module is always in a sniffing state after being installed and cannot be closed remotely, invalid data sniffed in the debugging and maintenance processes can interfere with normal bicycle management, and the problem that the operation is too complicated can be solved only by means of manual deletion of a server side.
Disclosure of Invention
The utility model provides a solar charging-based shared bicycle monitoring sniffing device, which aims at: (1) The solar energy is used for supplying power to the Bluetooth sniffing module, so that the problem of high power supply cost is solved; (2) realize the switching function of bluetooth sniffing module.
The technical scheme of the utility model is as follows:
the utility model provides a sharing bicycle monitoring sniffing device based on solar charging, includes main control module, bluetooth sniffing module and communication module are connected with main control module respectively, still include solar panel, charging circuit, camera module and battery;
the solar panel is connected with the storage battery through a charging circuit; the charging circuit is used for charging the storage battery;
the storage battery is used for supplying power to the main control module, the Bluetooth sniffing module, the camera module and the communication module;
the storage battery is connected with the Bluetooth sniffing module through a voltage conversion switch circuit, and the voltage conversion switch circuit is used for converting the output voltage of the storage battery based on a switching voltage regulator U4 and then supplying the output voltage to the Bluetooth sniffing module; the switch control end of the switch voltage regulator U4 is also connected with a main control module.
As a further improvement of the solar charging based shared bicycle monitoring sniffer: the solar panel is connected with the storage battery sequentially through a solar voltage detection circuit, a charging switch circuit, a charging current detection circuit and a charging circuit;
the solar voltage detection circuit is also connected with the main control module and is used for detecting the output voltage of the solar panel and sending the detection result to the main control module;
the charging switch circuit is also connected with the main control module and used for controlling the on-off of a connecting circuit between the solar panel and the storage battery;
the charging current detection circuit is also connected with the main control module and is used for detecting the current output to the charging circuit by the solar panel and sending the detection result to the main control module.
As a further improvement of the solar charging based shared bicycle monitoring sniffer: the solar voltage detection circuit comprises a resistor R11 and a resistor R18 which are connected in series between a positive output end and a grounding end of the solar panel, and a capacitor C15 which is connected in parallel with the resistor R18, wherein a node between the resistor R11 and the resistor R18 is the solar voltage detection output end connected with the main control module.
As a further improvement of the solar charging based shared bicycle monitoring sniffer: the charging switch circuit comprises a MOS tube Q1 arranged on a connecting circuit between the solar panel and the storage battery, and further comprises a resistor R13, a resistor R14, a resistor R15, a resistor R17 and a triode Q2;
the source electrode of the MOS tube Q1 is used for being connected with a solar panel, the drain electrode is used for being connected with a storage battery, the grid electrode is connected with the collector electrode of the triode Q2 through a resistor R15, and the grid electrode is also connected with the source electrode of the MOS tube Q1 through a resistor R13;
the base electrode of the triode Q2 is connected with the source electrode of the MOS tube Q1 through a resistor R17 and a resistor R14, and a node between the resistor R17 and the resistor R14 is a charging switch control end connected with the main control module; the emitter of transistor Q2 is grounded.
As a further improvement of the solar charging based shared bicycle monitoring sniffer: the charging current detection circuit comprises a first detection resistor, an amplifier U6, a resistor R28, a resistor R25 and a capacitor C22;
the first detection resistor is arranged on a connecting circuit between the solar panel and the charging circuit, two input ends of the amplifier U6 are respectively connected with two ends of the first detection resistor, an output end of the amplifier U6 is connected with a grounding end sequentially through a resistor R28 and a resistor R25, and a node between the resistor R28 and the resistor R25 is a charging current detection output end connected with the main control module; the capacitor C22 is connected in parallel with the resistor R25.
As a further improvement of the solar charging based shared bicycle monitoring sniffer: the output end of the storage battery is connected with the camera module through the camera switching circuit;
the camera switching circuit comprises an MOS tube Q7 arranged on a power supply circuit between the storage battery and the camera module, and further comprises a resistor R38, a resistor R32, a resistor R35 and a triode Q8;
the source electrode of the MOS tube Q7 is connected with the positive output end of the storage battery, the drain electrode is connected with the camera module, the grid electrode is connected with the collector electrode of the triode Q8 through a resistor R35, and the grid electrode is also connected with the source electrode of the MOS tube Q7 through a resistor R32;
the base of the triode Q8 is connected with a camera switch control end connected with a main control module through a resistor R38, and the emitter of the triode Q8 is grounded.
As a further improvement of the solar charging based shared bicycle monitoring sniffer: the voltage conversion circuit is based on a switching voltage regulator U3 and is used for converting 12V voltage output by the storage battery into 4V and then respectively supplying the 4V voltage to the main control module and the communication module.
As a further improvement of the solar charging based shared bicycle monitoring sniffer: the output end of the voltage conversion circuit is connected with the main control module through the main control current detection circuit;
the main control current detection circuit comprises a second detection resistor, an amplifier U5, a resistor R24, a resistor R22 and a capacitor C21;
the second detection resistor is arranged on a power supply circuit between the voltage conversion circuit and the main control module, two input ends of the amplifier U5 are respectively connected with two ends of the second detection resistor, an output end of the amplifier U5 is connected with a grounding end sequentially through a resistor R24 and a resistor R22, and a node between the resistor R24 and the resistor R22 is a main control current detection output end connected with the main control module; the capacitor C21 is connected in parallel with the resistor R22.
As a further improvement of the solar charging based shared bicycle monitoring sniffer: the output end of the voltage conversion circuit is connected with the communication module through the communication switch circuit;
the communication switch circuit comprises a MOS tube Q4 arranged on a power supply circuit between the voltage conversion circuit and the communication module, and further comprises a resistor R7, a resistor R1, a resistor R6 and a triode Q6;
the source electrode of the MOS tube Q4 is connected with the positive output end of the voltage conversion circuit, the drain electrode is connected with the communication module, the grid electrode is connected with the collector electrode of the triode Q6 through a resistor R6, and the grid electrode is also connected with the source electrode of the MOS tube Q4 through a resistor R1;
the base electrode of the triode Q6 is connected with a communication switch control end connected with the main control module through a resistor R7, and the emitter electrode of the triode Q6 is grounded.
As a further improvement of the solar charging based shared bicycle monitoring sniffer: the system also comprises a battery temperature detection circuit and an environment temperature detection circuit which are respectively connected with the main control module; the battery temperature detection circuit is used for detecting the temperature of the storage battery, and the environment temperature detection circuit is used for detecting the environment temperature.
Compared with the prior art, the utility model has the following beneficial effects: (1) The device integrates the Bluetooth sniffing module and the monitoring camera, and utilizes solar energy to supply power for the Bluetooth sniffing module and the monitoring camera, so that the power supply problem of the Bluetooth sniffing module is solved, the field installation and debugging process is simplified, the efficiency is improved, and the cost is reduced; (2) The device not only utilizes the switching voltage regulator U4 to complete voltage conversion and convert the output voltage of the storage battery into the voltage matched with the Bluetooth chip, but also skillfully utilizes the switching control end of the switching voltage regulator to realize the power supply switching control of the Bluetooth sniffing module, and can remotely close the sniffing function when sniffing is not needed; (3) The device also detects the output voltage and current of the solar panel through the solar voltage detection circuit and the charging current detection circuit, and simultaneously controls the power supply circuit through the charging switch circuit, when the voltage or the current exceeds a preset range, the main control module can disconnect the power supply circuit through the charging switch circuit to stop charging, so that the influence on the charging efficiency or the damage to elements is avoided; (4) The device also controls the on-off state of the camera module through the camera switching circuit, and can remotely close the camera module when shooting is not needed.
Drawings
FIG. 1 is a schematic diagram of communication connections between modules/circuits;
FIG. 2 is a schematic diagram of the power connections between the modules/circuits;
fig. 3 is a schematic diagram of a bluetooth chip in a bluetooth sniffing module;
FIG. 4 is a schematic diagram of a voltage conversion switch circuit;
fig. 5 is a circuit diagram of a solar voltage detection circuit and a charge switch circuit portion;
FIG. 6 is a circuit diagram of a charging current detection circuit;
FIG. 7 is a circuit diagram of a charging circuit;
FIG. 8 is a circuit diagram of a camera switching circuit;
FIG. 9 is a circuit diagram of a voltage conversion circuit;
FIG. 10 is a circuit diagram of a master current detection circuit;
FIG. 11 is a circuit diagram of a master control module;
FIG. 12 is a circuit diagram of a communication switch circuit;
fig. 13 is a circuit diagram of a communication module;
fig. 14 is a circuit diagram of a temperature detecting section, in which the left side section is a reference voltage circuit, the middle is a circuit diagram of an ambient temperature detecting circuit, and the right side is a circuit diagram of a battery temperature detecting circuit.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings:
referring to fig. 1, a solar charging-based monitoring and sniffing device for a shared bicycle comprises a main control module 4, a camera module 9 and a communication module 5, wherein the camera module 9 and the communication module 5 are respectively connected with the main control module 4.
As shown in fig. 2, the solar charging-based shared bicycle monitoring and sniffing device further comprises a solar panel 14, a solar voltage detection circuit 1, a charging switch circuit 8, a charging current detection circuit 2, a charging circuit 15 and a storage battery 16.
The solar panel 14 is connected to the storage battery 16 through a solar voltage detection circuit 1, a charging switch circuit 8, a charging current detection circuit 2 and a charging circuit 15 in this order.
The solar voltage detection circuit 1 is further connected with the main control module 4, and is configured to detect an output voltage of the solar panel 14, and send a detection result to the main control module 4.
The charging switch circuit 8 is also connected with the main control module 4 and used for controlling the on-off of a connecting circuit between the solar panel 14 and the storage battery 16.
The charging current detection circuit 2 is further connected to the main control module 4, and is configured to detect a current output from the solar panel 14 to the charging circuit 15, and send a detection result to the main control module 4.
The charging circuit 15 is used for charging the storage battery 16 with electric energy output by solar energy. The storage battery 16 is used for supplying power to the main control module 4, the camera module 9 and the communication module 5.
The main control module 4 is the core of the device, and is based on the HC32L136K8TA chip shown in FIG. 11.
As shown in fig. 5, the solar voltage detection circuit 1 includes a resistor R11 and a resistor R18 connected in series between the positive output terminal and the ground terminal of the solar panel 14, and a capacitor C15 connected in parallel with the resistor R18, where the capacitor C15 is used for filtering. The node between the resistor R11 and the resistor R18 is a solar voltage detection output end connected with the main control module 4. The main control module 4 obtains the output voltage value of solar energy through the voltage at two ends of the resistor R18.
As shown in fig. 5, the charging switch circuit 8 includes a MOS transistor Q1 disposed on a connection circuit between the solar panel 14 and the storage battery 16, and further includes a resistor R13, a resistor R14, a resistor R15, a resistor R17, and a triode Q2.
The source electrode of the MOS tube Q1 is used for being connected with the solar panel 14, the drain electrode is used for being connected with the storage battery 16, the grid electrode is connected with the collector electrode of the triode Q2 through the resistor R15, and the grid electrode is also connected with the source electrode of the MOS tube Q1 through the resistor R13.
The base electrode of the triode Q2 is connected with the source electrode of the MOS tube Q1 through a resistor R17 and a resistor R14, and a node between the resistor R17 and the resistor R14 is a charging switch control end connected with the main control module 4; the emitter of transistor Q2 is grounded.
When the main control module 4 sends high level to the charging switch control end, the triode Q2 is conducted with the MOS tube Q1, and the solar cell panel is conducted with the charging circuit 15 connected with the rear side.
Further, as shown in fig. 6, the charging current detection circuit 2 includes a first detection resistor, an amplifier U6, a resistor R28, a resistor R25, and a capacitor C22.
The first detection resistor is arranged on a connecting circuit between the solar panel 14 and the charging circuit 15, and two input ends of the amplifier U6 are respectively connected with two ends of the first detection resistor to detect the voltage of the first detection resistor. The output end of the amplifier U6 is connected with the grounding end sequentially through a resistor R28 and a resistor R25, and a node between the resistor R28 and the resistor R25 is a charging current detection output end connected with the main control module 4. The capacitor C22 is connected in parallel with the resistor R25.
The main control module 4 obtains the output voltage of the amplifier U6 and the amplified value of the first detection resistor voltage through the charging current detection output end, and then converts the current on the circuit between the solar panel 14 and the charging circuit 15, namely the charging current.
When the main control module 4 detects that the output voltage or the charging current of the solar energy exceeds the normal range, a low level is sent to the charging switch control end, the triode Q2 and the MOS tube Q1 are cut off, and a circuit between the solar cell panel and the charging circuit 15 connected with the rear side is disconnected to stop charging.
As shown in fig. 7, the charging circuit 15 is based on a CN3722 chip and has a solar cell maximum power point tracking function (MPTT).
As shown in fig. 2, the battery 16 is connected to the bluetooth sniffing module 6 via a voltage switching circuit 11. As shown in fig. 4, the voltage conversion switch circuit 11 is based on a switch voltage regulator U4 for converting the 12V output voltage of the battery 16 to 5V and then supplies the bluetooth sniffer module 6. The switch control end of the switch voltage regulator U4 is also connected with the main control module 4, and the main control module 4 can directly switch off the switch voltage regulator U4 through the switch control end, so that the power supply of the Bluetooth sniffing module 6 is disconnected, and the Bluetooth function is closed.
The bluetooth sniffer module 6 is based on an NRF52840 chip as shown in fig. 3. During sniffing, the Bluetooth slave installed on the sharing simplex adopts a periodic broadcast transmission mechanism, the power consumption of the whole machine can be controlled in a very low range (broadcast once in 1 second and average power consumption of 15 uA), and broadcast information supports carrying 31 bytes of user data at most. The host device (bluetooth sniffing module 6 in the device) serving as the receiving end can dynamically grasp the broadcast data packet, only realize broadcast data monitoring in the mode, extract effective user data in the broadcast data packet, including MAC address, signal strength RSSI, user-defined data field and the like, and then judge whether the information-sending sharing bicycle passes over a preset electronic fence area according to the information.
As shown in fig. 2, the output end of the storage battery 16 is further connected with the camera module 9 through the camera switch circuit 10.
Specifically, as shown in fig. 8, the camera switch circuit 10 includes a MOS transistor Q7 disposed on a power supply circuit between the storage battery 16 and the camera module 9, and further includes a resistor R38, a resistor R32, a resistor R35, and a triode Q8.
The source electrode of the MOS tube Q7 is connected with the positive output end of the storage battery 16, the drain electrode is connected with the camera module 9, the grid electrode is connected with the collector electrode of the triode Q8 through a resistor R35, and the grid electrode is also connected with the source electrode of the MOS tube Q7 through a resistor R32.
The base of the triode Q8 is connected with a camera switch control end connected with the main control module 4 through a resistor R38, and the emitter of the triode Q8 is grounded.
When the camera module 9 needs to be closed, the main control module 4 sends low level to the camera switch control end, the triode Q8 and the MOS tube Q7 are cut off, and power supply to the camera module 9 is disconnected. In combination with the communication module 5, remote switch control of the camera module 9 can be realized.
As in fig. 2, a voltage conversion circuit 17 is also included. As shown in fig. 9, the voltage conversion circuit 17 is based on a switching voltage regulator U3, and is configured to convert the 12V voltage output from the battery 16 into 4V, and then supply the 4V to the main control module and the communication module 5, respectively. Because the voltage conversion circuit 17 supplies power to the main control module 4 and the communication module 5 at the same time, the power supply cannot be disconnected, otherwise, the main control module 4 cannot work, so that the switch control end of the switch voltage regulator U3 is directly grounded, and then the on-off of the power supply of the communication module 5 is controlled by other modes alone.
Further, the output end of the voltage conversion circuit 17 is connected with the main control module 4 through the main control current detection circuit 3.
As shown in fig. 10, the master current detection circuit 3 includes a second detection resistor, an amplifier U5, a resistor R24, a resistor R22, and a capacitor C21.
The second detection resistor is arranged on a power supply circuit between the voltage conversion circuit 17 and the main control module 4, two input ends of the amplifier U5 are respectively connected with two ends of the second detection resistor, an output end of the amplifier U5 is connected with a grounding end sequentially through a resistor R24 and a resistor R22, and a node between the resistor R24 and the resistor R22 is a main control current detection output end connected with the main control module 4; the capacitor C21 is connected in parallel with the resistor R22.
The amplifier U5 amplifies the voltage of the second detection resistor, and the main control module 4 converts the current value supplied to the main control module 4 according to the voltage.
As shown in fig. 2, the output end of the voltage conversion circuit 17 is connected with the communication module 5 through the communication switch circuit 7.
As shown in fig. 12, the communication switch circuit 7 includes a MOS transistor Q4 disposed on a power supply circuit between the voltage conversion circuit 17 and the communication module 5, and further includes a resistor R7, a resistor R1, a resistor R6, and a transistor Q6.
The source electrode of the MOS tube Q4 is connected with the positive output end of the voltage conversion circuit 17, the drain electrode is connected with the communication module 5, the grid electrode is connected with the collector electrode of the triode Q6 through a resistor R6, and the grid electrode is also connected with the source electrode of the MOS tube Q4 through a resistor R1.
The base of the triode Q6 is connected with a communication switch control end connected with the main control module 4 through a resistor R7, and the emitter of the triode Q6 is grounded.
When the communication module 5 needs to be closed, the main control module 4 sends low level to the control end of the communication switch, the triode Q6 and the MOS tube Q4 are cut off, and power supply to the communication module 5 is disconnected.
The communication module 5 is a GRPS module or a 4G module or a 5G module. Fig. 13 is a circuit diagram of the communication module 5 in the present embodiment.
As shown in fig. 14, the battery temperature detection circuit 12 and the ambient temperature detection circuit 13 are respectively connected with the main control module 4. The battery temperature detection circuit 12 is configured to detect a temperature of the secondary battery 16, and the ambient temperature detection circuit 13 is configured to detect an ambient temperature. The left part of the figure provides a reference voltage Vref, and the middle ambient temperature detection circuit 13 and the right battery temperature detection circuit 12 respectively acquire temperature values through thermistors and then output the temperature values to the main control module 4. When the battery temperature or the ambient temperature is too high, the charging circuit 15, the secondary battery 16, and the like can be protected by turning off the charging switch circuit 8 as well.
Claims (10)
1. The utility model provides a sharing bicycle control sniffing device based on solar charging, includes main control module (4), bluetooth sniffing module (6) and communication module (5) are connected with main control module (4) respectively, its characterized in that: the solar energy charging system also comprises a solar panel (14), a charging circuit (15), a camera module (9) and a storage battery (16);
the solar panel (14) is connected with the storage battery (16) through a charging circuit (15); the charging circuit (15) is used for charging a storage battery (16);
the storage battery (16) is used for supplying power to the main control module (4), the Bluetooth sniffing module (6), the camera module (9) and the communication module (5);
the storage battery (16) is connected with the Bluetooth sniffing module (6) through a voltage conversion switch circuit (11), and the voltage conversion switch circuit (11) is used for converting the output voltage of the storage battery (16) based on a switching voltage regulator U4 and then supplying the output voltage to the Bluetooth sniffing module (6); the switch control end of the switch voltage regulator U4 is also connected with a main control module (4).
2. The solar charging-based shared bicycle monitoring sniffer device according to claim 1, wherein: the solar panel (14) is connected with the storage battery (16) through a solar voltage detection circuit (1), a charging switch circuit (8), a charging current detection circuit (2) and a charging circuit (15) in sequence;
the solar voltage detection circuit (1) is also connected with the main control module (4) and is used for detecting the output voltage of the solar panel (14) and sending the detection result to the main control module (4);
the charging switch circuit (8) is also connected with the main control module (4) and used for controlling the on-off of a connecting circuit between the solar panel (14) and the storage battery (16);
the charging current detection circuit (2) is also connected with the main control module (4) and is used for detecting the current output to the charging circuit (15) by the solar panel (14) and sending the detection result to the main control module (4).
3. The solar charging-based shared bicycle monitoring sniffer of claim 2, wherein: the solar voltage detection circuit (1) comprises a resistor R11 and a resistor R18 which are connected in series between a positive output end and a grounding end of the solar panel (14), and further comprises a capacitor C15 connected with the resistor R18 in parallel, wherein a node between the resistor R11 and the resistor R18 is the solar voltage detection output end connected with the main control module (4).
4. The solar charging-based shared bicycle monitoring sniffer of claim 2, wherein: the charging switch circuit (8) comprises a MOS tube Q1 arranged on a connecting circuit between the solar panel (14) and the storage battery (16), and further comprises a resistor R13, a resistor R14, a resistor R15, a resistor R17 and a triode Q2;
the source electrode of the MOS tube Q1 is connected with a solar panel (14), the drain electrode is connected with a storage battery (16), the grid electrode is connected with the collector electrode of the triode Q2 through a resistor R15, and the grid electrode is also connected with the source electrode of the MOS tube Q1 through a resistor R13;
the base electrode of the triode Q2 is connected with the source electrode of the MOS tube Q1 through a resistor R17 and a resistor R14, and a node between the resistor R17 and the resistor R14 is a charging switch control end connected with the main control module (4); the emitter of transistor Q2 is grounded.
5. The solar charging-based shared bicycle monitoring sniffer of claim 2, wherein: the charging current detection circuit (2) comprises a first detection resistor, an amplifier U6, a resistor R28, a resistor R25 and a capacitor C22;
the first detection resistor is arranged on a connecting circuit between the solar panel (14) and the charging circuit (15), two input ends of the amplifier U6 are respectively connected with two ends of the first detection resistor, an output end of the amplifier U6 is connected with a grounding end sequentially through a resistor R28 and a resistor R25, and a node between the resistor R28 and the resistor R25 is a charging current detection output end connected with the main control module (4); the capacitor C22 is connected in parallel with the resistor R25.
6. The solar charging-based shared bicycle monitoring sniffer device according to claim 1, wherein: the output end of the storage battery (16) is connected with the camera module (9) through the camera switch circuit (10);
the camera switching circuit (10) comprises a MOS tube Q7 arranged on a power supply circuit between the storage battery (16) and the camera module (9), and further comprises a resistor R38, a resistor R32, a resistor R35 and a triode Q8;
the source electrode of the MOS tube Q7 is connected with the positive output end of the storage battery (16), the drain electrode is connected with the camera module (9), the grid electrode is connected with the collector electrode of the triode Q8 through a resistor R35, and the grid electrode is also connected with the source electrode of the MOS tube Q7 through a resistor R32;
the base electrode of the triode Q8 is connected with a camera switch control end connected with a main control module (4) through a resistor R38, and the emitting electrode of the triode Q8 is grounded.
7. The solar charging-based shared bicycle monitoring sniffer device according to claim 1, wherein: the intelligent control device further comprises a voltage conversion circuit (17), wherein the voltage conversion circuit (17) is used for converting 12V voltage output by the storage battery (16) into 4V based on the switching voltage regulator U3 and then respectively supplying the 4V voltage to the main control module and the communication module (5).
8. The solar charging-based shared bicycle monitoring sniffer of claim 7, wherein: the output end of the voltage conversion circuit (17) is connected with the main control module (4) through the main control current detection circuit (3);
the main control current detection circuit (3) comprises a second detection resistor, an amplifier U5, a resistor R24, a resistor R22 and a capacitor C21;
the second detection resistor is arranged on a power supply circuit between the voltage conversion circuit (17) and the main control module (4), two input ends of the amplifier U5 are respectively connected with two ends of the second detection resistor, an output end of the amplifier U5 is connected with a grounding end sequentially through a resistor R24 and a resistor R22, and a node between the resistor R24 and the resistor R22 is a main control current detection output end connected with the main control module (4); the capacitor C21 is connected in parallel with the resistor R22.
9. The solar charging-based shared bicycle monitoring sniffer of claim 7, wherein: the output end of the voltage conversion circuit (17) is connected with the communication module (5) through the communication switch circuit (7);
the communication switch circuit (7) comprises a MOS tube Q4 arranged on a power supply circuit between the voltage conversion circuit (17) and the communication module (5), and further comprises a resistor R7, a resistor R1, a resistor R6 and a triode Q6;
the source electrode of the MOS tube Q4 is connected with the positive output end of the voltage conversion circuit (17), the drain electrode is connected with the communication module (5), the grid electrode is connected with the collector electrode of the triode Q6 through the resistor R6, and the grid electrode is also connected with the source electrode of the MOS tube Q4 through the resistor R1;
the base electrode of the triode Q6 is connected with a communication switch control end connected with the main control module (4) through a resistor R7, and the emitting electrode of the triode Q6 is grounded.
10. The solar charging-based shared bicycle monitoring sniffer according to any one of claims 1 to 9, wherein: the device also comprises a battery temperature detection circuit (12) and an environment temperature detection circuit (13) which are respectively connected with the main control module (4); the battery temperature detection circuit (12) is used for detecting the temperature of the storage battery (16), and the environment temperature detection circuit (13) is used for detecting the environment temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320573994.0U CN219697902U (en) | 2023-08-04 | 2023-08-04 | Shared bicycle monitoring sniffing device based on solar charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320573994.0U CN219697902U (en) | 2023-08-04 | 2023-08-04 | Shared bicycle monitoring sniffing device based on solar charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219697902U true CN219697902U (en) | 2023-09-15 |
Family
ID=87967154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320573994.0U Active CN219697902U (en) | 2023-08-04 | 2023-08-04 | Shared bicycle monitoring sniffing device based on solar charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219697902U (en) |
-
2023
- 2023-08-04 CN CN202320573994.0U patent/CN219697902U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108736567B (en) | Power supply system for power monitoring | |
| CN204390021U (en) | Office's comprehensive intelligent control system | |
| CN106297241B (en) | Intelligent electric energy meter GPRS power down reporting system | |
| CN104254183A (en) | MPPT (maximum power point tracking)-based wind-solar complementary streetlight controller and control method thereof | |
| CN219697902U (en) | Shared bicycle monitoring sniffing device based on solar charging | |
| WO2021258367A1 (en) | Control circuit, battery management system, and electrochemical device | |
| CN209962910U (en) | State detection terminal of power switch | |
| CN107309886A (en) | A kind of household intelligent robot system | |
| CN103973101B (en) | A kind of DC-DC power source adapter | |
| CN206775232U (en) | A kind of wireless charging device suitable for intelligent access control system | |
| CN207283265U (en) | It is a kind of based on solar powered and timing transmission power transmission line monitoring system | |
| CN210927206U (en) | Charge-discharge control circuit of solar energy collecting power supply | |
| CN219960198U (en) | Outdoor solar charging monitoring camera | |
| CN209913966U (en) | A intelligent communication equipment case for high definition video monitoring | |
| CN201207574Y (en) | Electric power adapter | |
| CN109526111B (en) | Power carrier wave three-primary-color multi-color-temperature LED street lamp control system | |
| CN113093059A (en) | System and method for rapidly detecting power failure after meter based on improved MBUS bus | |
| CN202773152U (en) | Single lamp controller based on electric power carrier wave communication | |
| CN208579808U (en) | A kind of LORAWAN water leakage monitoring device | |
| CN214504191U (en) | Farmland environmental data acquisition control device | |
| CN217183019U (en) | Intelligent closestool lasts supply circuit | |
| CN217932475U (en) | Battery monitoring device for alarming | |
| CN214280967U (en) | Lead-acid battery charging device | |
| CN204376510U (en) | Electric car charger battery fills full automatic shutdown and timing shutdown lock-in circuit | |
| CN210468872U (en) | Agricultural integrated planting data acquisition and transmission terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |