CN213906337U - Power supply control system of outdoor camera - Google Patents
Power supply control system of outdoor camera Download PDFInfo
- Publication number
- CN213906337U CN213906337U CN202022367820.8U CN202022367820U CN213906337U CN 213906337 U CN213906337 U CN 213906337U CN 202022367820 U CN202022367820 U CN 202022367820U CN 213906337 U CN213906337 U CN 213906337U
- Authority
- CN
- China
- Prior art keywords
- battery
- micro
- circuit board
- processing unit
- unit
- 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
Images
Landscapes
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A power supply control system of an outdoor camera comprises a battery pack, a system control circuit board, a battery charge-discharge control circuit board, a charging interface and a high-power output interface which are arranged on a power supply shell, wherein a micro-processing unit, an input-output voltage acquisition unit and an input-output current detection unit are arranged on the system control circuit board, a DC-DC buck-boost circuit is arranged on the battery charge-discharge control circuit board, a signal input end of the micro-processing unit is connected with the input-output voltage acquisition unit, the input-output current detection unit, the charging interface and the high-power output interface, and a signal output end of the micro-processing unit is connected with the DC-DC buck-boost circuit. The design not only can automatically switch the charging and discharging states, but also ensures the stability of the performance of the charging and discharging process.
Description
Technical Field
The utility model belongs to electronic product power control field, concretely relates to outdoor camera power control system.
Background
With the continuous development of science and technology, cameras are widely applied to daily life of people, the demand for the electric quantity of the cameras is increased, and especially, outdoor camera portable mobile power sources are applied more and more as common power supply equipment. However, the existing power control system not only has a single function, but also cannot ensure the stability of the performance of the charging and discharging process.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned problem that exists among the prior art, provide an outdoor camera power control system of charge-discharge process stable performance.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides an outdoor camera power control system, includes that the interface and the high-power output interface that charge that set up on group battery, system control circuit board, battery charge and discharge control circuit board, the power casing, be provided with micro-processing unit, input and output voltage acquisition unit, input and output current detection unit on the system control circuit board, be provided with DC-DC lift voltage circuit on the battery charge and discharge control circuit board, micro-processing unit's signal input part and input and output voltage acquisition unit, input and output current detection unit, the interface that charges, high-power output interface connection, micro-processing unit's signal output part and DC-DC step up and down circuit connection.
The system also comprises a battery switch driving button and a CAN-BUS data transmission interface which are arranged on the power supply shell, wherein the battery switch driving button is connected with the signal input end of the micro-processing unit, and the CAN-BUS data transmission interface is connected with the signal output end of the micro-processing unit.
And the system control circuit board is also provided with a battery balancing unit connected with the micro-processing unit.
The battery charging and discharging control circuit board is also provided with a battery temperature monitoring unit, and the signal input end and the signal output end of the battery temperature monitoring unit are respectively connected with the thermistor on the battery pack and the signal input end of the micro-processing unit.
The system also comprises a battery overcurrent protection circuit board arranged on the battery pack, wherein the battery overcurrent protection circuit board comprises two battery anode welding pieces for welding the battery anodes, a battery cathode welding piece for welding the battery cathodes, a microswitch connected with the battery cathodes in series and a protective tube.
The system also comprises a residual electric quantity display LED lamp connected with the signal output end of the micro-processing unit.
The system further comprises an auxiliary power supply, and the auxiliary power supply is connected with the micro-processing unit, the input and output voltage acquisition unit, the input and output current detection unit, the battery equalization unit and the battery switch driving button.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to an outdoor camera power control system, which comprises a battery pack, a system control circuit board, a battery charge-discharge control circuit board, a charging interface and a high-power output interface, wherein the system control circuit board is provided with a micro-processing unit, an input-output voltage acquisition unit and an input-output current detection unit, the battery charge-discharge control circuit board is provided with a DC-DC buck-boost circuit, the signal input end of the micro-processing unit is connected with the input-output voltage acquisition unit, the input-output current detection unit, the charging interface and the high-power output interface, the signal output end of the micro-processing unit is connected with the DC-DC buck-boost circuit, the structure not only has the charging and discharging interfaces independently arranged, can automatically switch the charging and discharging states, but also inserts a charging device into the charging interface when a power supply needs to be charged, and the micro-processing unit controls the DC-DC buck-boost circuit to adjust the charging voltage, when a power supply is needed to supply power to the outside, the powered device is inserted into the high-power output interface, the micro-processing unit controls the DC-DC voltage boosting and reducing circuit to adjust the charging and discharging voltage to be consistent with the required voltage of the powered device, and the input and output voltage acquisition unit and the input and output current detection unit acquire the charging and supplying voltage and current in real time in the charging and power supply processes, so that the stability of the performance of the charging and discharging processes is effectively guaranteed. Therefore, the utility model discloses not only can automatic switch over fill, discharge state, guarantee the stability of charge-discharge process performance moreover.
2. The utility model relates to an still be provided with battery temperature monitoring unit on the battery charge-discharge control circuit board among outdoor camera power control system, battery temperature monitoring unit's signal input, the output respectively with the thermistor on the group battery, microprocessor unit's signal input part is connected, when battery temperature monitoring unit monitors the battery temperature too high, microprocessor unit CAN control and close DC-DC lift voltage circuit in order to protect the battery, and simultaneously, CAN-BUS data transmission interface has been adopted, through this CAN communication interface, CAN be to consumer conveying electric quantity, charge-discharge current, information such as battery temperature. Therefore, the utility model discloses not only realize the overheat protection of battery, can communicate with consumer moreover.
3. The utility model relates to a battery overcurrent protection circuit board among outdoor camera power control system includes two anodal battery positive electrode soldering lugs of welding battery, the battery negative pole soldering lug of welding battery negative pole, micro-gap switch and the protective tube of establishing ties with the battery negative pole, micro-gap switch closure makes battery access equipment when the power supply unit installation is accomplished, micro-gap switch disconnection when taking out the battery, can effectively prevent to lead to the battery soldering lug short circuit because misoperation, if micro-gap switch damages, the protective tube can fuse when the short circuit, in order to continue to protect battery safety. Therefore, the utility model discloses a short-circuit protection of battery.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, a battery pack 1, a system control circuit board 2, a micro-processing unit 21, an input/output voltage acquisition unit 22, an input/output current detection unit 23, a battery equalization unit 24, a battery charge/discharge control circuit board 3, a DC-DC buck-boost circuit 31, a battery temperature monitoring unit 32, a charging interface 4, a high-power output interface 5, a battery switch driving button 6, a CAN-BUS data transmission interface 7, a battery overcurrent protection circuit board 8, a battery anode tab 81, a battery cathode tab 82, a micro switch 83, a fuse 84, a remaining power display LED lamp 9 and an auxiliary power supply 10.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Referring to fig. 1, the power control system of the outdoor camera comprises a battery pack 1, a system control circuit board 2, a battery charge and discharge control circuit board 3, a charging interface 4 and a high-power output interface 5 which are arranged on a power shell, wherein the system control circuit board 2 is provided with a micro-processing unit 21, an input and output voltage acquisition unit 22 and an input and output current detection unit 23, the battery charge and discharge control circuit board 3 is provided with a DC-DC buck-boost circuit 31, a signal input end of the micro-processing unit 21 is connected with the input and output voltage acquisition unit 22, the input and output current detection unit 23, the charging interface 4 and the high-power output interface 5, and a signal output end of the micro-processing unit 21 is connected with the DC-DC buck-boost circuit 31.
The system also comprises a battery switch driving button 6 and a CAN-BUS data transmission interface 7 which are arranged on the power supply shell, wherein the battery switch driving button 6 is connected with the signal input end of the micro-processing unit 21, and the CAN-BUS data transmission interface 7 is connected with the signal output end of the micro-processing unit 21.
The system control circuit board 2 is also provided with a battery equalization unit 24 connected with the micro-processing unit 21.
The battery charging and discharging control circuit board 3 is also provided with a battery temperature monitoring unit 32, and the signal input end and the signal output end of the battery temperature monitoring unit 32 are respectively connected with the thermistor on the battery pack 1 and the signal input end of the micro-processing unit 21.
The system further comprises a battery overcurrent protection circuit board 8 arranged on the battery pack 1, wherein the battery overcurrent protection circuit board 8 comprises two battery anode welding sheets 81 for welding battery anodes, a battery cathode welding sheet 82 for welding battery cathodes, a micro switch 83 connected with the battery cathodes in series and a protective tube 84.
The system also comprises a remaining power display LED lamp 9 connected with the signal output end of the micro-processing unit 21.
The system further comprises an auxiliary power supply 10, wherein the auxiliary power supply 10 is connected with the micro-processing unit 21, the input and output voltage acquisition unit 22, the input and output current detection unit 23, the battery equalization unit 24 and the battery switch driving button 6.
The utility model provides an outdoor camera power control system, its rationale is as follows:
when the power supply needs to be charged, the charging equipment is inserted into the charging interface 4, the battery switch driving button 6 is pressed, the micro-processing unit 21 controls to enter a charging state, then the input and output voltage acquisition unit 22 and the input and output current detection unit 23 respectively acquire charging voltage and current in real time and send the charging voltage and current to the micro-processing unit 21, and the micro-processing unit 21 controls the DC-DC buck-boost circuit 31 to adjust the charging voltage to a reasonable range according to the received charging voltage and current.
When a power supply is needed to supply power to the outside, the powered device is inserted into the high-power output interface 5, the battery switch driving button 6 is pressed, the microprocessor unit 21 is controlled to enter a power supply state, the DC-DC voltage-boosting and voltage-reducing circuit 31 is controlled to regulate output voltage according to the difference value between the voltage requested by the powered device and the output voltage collected by the input and output voltage collecting unit 22, so that the output voltage collected by the input and output voltage collecting unit 22 is consistent with the required voltage of the powered device, then the powered device is supplied with power, and the input and output current detecting unit 23 monitors the power supply current in real time in the power supply process to enable the power supply current not to exceed the requested current of the powered device.
When the powered device is plugged into the high-power output interface 5, the CAN-BUS data transmission interface 7 sends a relevant signal to the micro-processing unit 21 to turn on the high-power output.
The battery temperature monitoring unit 32 monitors the battery temperature in real time and sends temperature information to the micro-processing unit 21, and when the temperature is too high, the micro-processing unit 21 controls to turn off the DC-DC buck-boost circuit 31 to protect the battery.
The utility model discloses a establish ties micro-gap switch 83 and protective tube 84 at the battery negative pole, micro-gap switch 83 can prevent the battery soldering lug short circuit that leads to because of misoperation, if micro-gap switch 83 damages, protective tube 84 can fuse when the short circuit to play the effect of protection battery.
The components of the utility model are explained as follows:
input/output voltage acquisition unit 22: and collecting the voltage input and output by the system.
Input/output current detection section 23: and detecting and collecting the current input and output by the system.
The cell balancing unit 24: after the batteries are used for a long time, capacity loss occurs, the batteries with high loss are fully charged before the batteries with low loss, when the batteries are fully charged, the charging is cut off to prevent overcharging, so that the batteries with low loss cannot be fully charged, and in order to fully charge each battery, the battery equalizing unit 24 is adopted to connect a discharge resistor in parallel for the batteries to be fully charged to reduce the charging speed.
DC-DC step-up/step-down circuit 31: the wide-range DC-DC conversion can support 1.25V-40V to 24V when the battery is subjected to input power supply, can support 24V to 1.25V-40V when the battery is subjected to external power supply output, has the highest working frequency of 1000kHz, and has low quiescent current and short-circuit current limitation.
Battery temperature monitoring unit 32: the battery temperature is monitored by a thermistor provided on the battery.
High-power output interface 5: supporting 24V/4A high-power output.
CAN-BUS data transmission interface 7: and starting a high-power output function, and transmitting power supply working state data such as battery voltage, battery temperature, battery residual capacity, output voltage and the like to the electric equipment.
Example 1:
referring to fig. 1, an outdoor camera power control system comprises a battery pack 1, a system control circuit board 2, a battery charge-discharge control circuit board 3, a charging interface 4, a high-power output interface 5, a battery switch drive button 6, a CAN-BUS data transmission interface 7, a remaining power display LED lamp 9 and an auxiliary power supply 10, wherein the charging interface 4, the high-power output interface 5, the battery switch drive button 6 and the CAN-BUS data transmission interface 7 are all arranged on a power supply shell, a battery overcurrent protection circuit board 8 is arranged on the battery pack 1, the battery overcurrent protection circuit board 8 comprises two battery positive electrode welding pieces 81 for welding battery positive electrodes, a battery negative electrode welding piece 82 for welding battery negative electrodes, a micro switch 83 and a protective tube 84 which are connected in series with the battery negative electrodes, a micro processing unit 21 is arranged on the system control circuit board 2, The battery charging and discharging control circuit board 3 is provided with a DC-DC voltage step-up and step-down circuit 31 and a battery temperature monitoring unit 32, the signal input end of the micro processing unit 21 is connected with the signal output end of the input and output voltage step-up and step-down circuit 22, the input and output current detecting unit 23, the signal output end of the battery temperature monitoring unit 32, a charging interface 4, a high-power output interface 5 and a battery switch driving button 6, the signal output end of the micro processing unit 21 is connected with the DC-DC voltage step-up and step-down circuit 31, a CAN-BUS data transmission interface 7 and a residual electric quantity display LED lamp 9, the signal input end of the battery temperature monitoring unit 32 is connected with a thermistor on the battery pack 1, and the auxiliary power supply 10 is connected with the micro processing unit 21, The input/output voltage acquisition unit 22, the input/output current detection unit 23, the battery equalization unit 24, and the battery switch drive button 6 are connected.
Claims (6)
1. An outdoor camera power control system characterized in that:
the system comprises a battery pack (1), a system control circuit board (2), a battery charge and discharge control circuit board (3), a charging interface (4) and a high-power output interface (5), wherein the battery charge and discharge control circuit board (3) and a power supply shell are provided with the charging interface (4) and the high-power output interface (5), the battery over-current protection circuit board (8) is arranged on the battery pack (1), the battery over-current protection circuit board (8) comprises two battery anode welding sheets (81) for welding battery anodes, a battery cathode welding sheet (82) for welding battery cathodes, and a micro switch (83) and a protective tube (84) which are connected with the battery cathodes in series, a micro processing unit (21), an input and output voltage acquisition unit (22) and an input and output current detection unit (23) are arranged on the system control circuit board (2), a DC-DC (31) lifting circuit is arranged on the battery charge and discharge control circuit board (3), and a signal input end and output voltage acquisition unit (22) of the micro processing unit (21), The input and output current detection unit (23), the charging interface (4) and the high-power output interface (5) are connected, and the signal output end of the micro-processing unit (21) is connected with the DC-DC buck-boost circuit (31).
2. An outdoor camera power control system according to claim 1, characterized in that: the system further comprises a battery switch driving button (6) and a CAN-BUS data transmission interface (7) which are arranged on the power supply shell, the battery switch driving button (6) is connected with the signal input end of the micro-processing unit (21), and the CAN-BUS data transmission interface (7) is connected with the signal output end of the micro-processing unit (21).
3. An outdoor camera power control system according to claim 2, characterized in that: and the system control circuit board (2) is also provided with a battery balancing unit (24) connected with the micro-processing unit (21).
4. An outdoor camera power control system according to any one of claims 1-3, characterized in that: the battery charging and discharging control circuit board (3) is also provided with a battery temperature monitoring unit (32), and the signal input end and the signal output end of the battery temperature monitoring unit (32) are respectively connected with the thermistor on the battery pack (1) and the signal input end of the micro-processing unit (21).
5. An outdoor camera power control system according to any one of claims 1-3, characterized in that: the system also comprises a residual power display LED lamp (9) connected with the signal output end of the micro-processing unit (21).
6. An outdoor camera power control system according to claim 3, characterized in that: the system further comprises an auxiliary power supply (10), wherein the auxiliary power supply (10) is connected with the micro-processing unit (21), the input and output voltage acquisition unit (22), the input and output current detection unit (23), the battery equalization unit (24) and the battery switch driving button (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367820.8U CN213906337U (en) | 2020-10-22 | 2020-10-22 | Power supply control system of outdoor camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367820.8U CN213906337U (en) | 2020-10-22 | 2020-10-22 | Power supply control system of outdoor camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213906337U true CN213906337U (en) | 2021-08-06 |
Family
ID=77113928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022367820.8U Active CN213906337U (en) | 2020-10-22 | 2020-10-22 | Power supply control system of outdoor camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213906337U (en) |
-
2020
- 2020-10-22 CN CN202022367820.8U patent/CN213906337U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2520003B1 (en) | Solar charger for charging power battery | |
| CN111431227B (en) | Series-parallel switching control circuit and battery device | |
| CN104882936B (en) | Communication energy storage power supply system | |
| CN217984639U (en) | Lithium battery protection device and system | |
| CN213906337U (en) | Power supply control system of outdoor camera | |
| CN213990242U (en) | Low-voltage movable plug power supply device | |
| CN204013467U (en) | A kind of from power-saving circuit | |
| CN111478406A (en) | Intelligent charging equipment | |
| CN100547877C (en) | The automatic stop function control circuit of positive and negative combined pulse charge machine | |
| CN111564883A (en) | Active storage battery charging and discharging management system and method | |
| CN111293746A (en) | Efficient battery energy overall balancing method | |
| CN219164275U (en) | Storage battery pack charge-discharge protection circuit | |
| CN2791888Y (en) | Chargeable cell with protective circuit | |
| CN220964374U (en) | Lithium battery charge-discharge protection circuit | |
| CN214479796U (en) | FSU (frequency selective Unit) intelligent standby power module of base station | |
| CN209767172U (en) | Power communication direct-current power supply system based on lithium iron phosphate battery | |
| CN220106614U (en) | Sodium ion battery | |
| CN214099687U (en) | Multiple protection battery pack | |
| CN218482700U (en) | Uninterrupted power supply | |
| CN214205073U (en) | Charger supported by solar power generation | |
| CN216599028U (en) | Energy storage power supply with built-in intelligent protection and emergency starting | |
| CN215419728U (en) | Power supply system for intelligent storage cabinet | |
| CN212435391U (en) | Battery double-layer protection circuit and battery device | |
| CN210898564U (en) | Hybrid electric forklift system | |
| CN218940723U (en) | BMS prevents secondary overcharge protection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |