CN212627214U

CN212627214U - Power management system for unattended bayonet and unattended bayonet

Info

Publication number: CN212627214U
Application number: CN202021150512.3U
Authority: CN
Inventors: 刘德滨; 汪文芳; 林丽奕; 田云果; 黄莲花
Original assignee: Xiamen Deerwei Technology Co ltd
Current assignee: Xiamen del Micro Technology Co.,Ltd.
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-26
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a power management system for an unattended bayonet and the unattended bayonet, wherein the power management system comprises a control device and a storage battery; the unattended bayonet further comprises an uninterrupted power supply, a face recognition barrier gate and a lighting device. The control equipment uniformly manages the solar energy, the wind energy and the commercial power and supplies power to the face recognition barrier gate, the lighting device, the wireless network bridge and the monitoring camera. Wind energy, solar energy and mains supply multi-path power supply management realizes wind-solar energy storage complementary control, has high protection safety characteristic simultaneously, and comprehensively meets the power supply requirements of outdoor unattended bayonets.

Description

Power management system for unattended bayonet and unattended bayonet

Technical Field

The utility model relates to a power management field, in particular to a power management system and unmanned on duty bayonet socket for unmanned on duty bayonet socket.

Background

With the continuous development of scientific technology, security monitoring equipment is more and more intelligent, the coverage range is more and more wide, and the unattended intelligent identification channel is comprehensively and effectively realized by adopting advanced technical means such as a portrait identification comparison technology, 4G wireless network transmission, control, display and the like. Current intelligent recognition, control channel equipment all need stable power supply, lead to outdoor no cable or unsuitable complicated cable junction's region to be difficult to realize that unmanned on duty bayonet's intelligence is current, and the requirement to power connection is just higher when the bayonet needs are portable as required simultaneously.

SUMMERY OF THE UTILITY MODEL

For solving the problem mentioned in the above-mentioned background art, the utility model provides a power management system and unmanned on duty bayonet socket for unmanned on duty bayonet socket can guarantee the stable continuous operation of load to it is current to realize the intelligence of outdoor unmanned on duty bayonet socket.

The utility model discloses an in the first aspect, a power management system for unmanned on duty bayonet socket is proposed, including controlgear and storage battery, controlgear includes the micro-control chip as core processing device, and the power supply route management chip of being connected with micro-control chip respectively, the management chip charges, the photovoltaic power generation MPPT controller of being connected with photovoltaic power generation equipment, the wind energy power generation MPPT controller of being connected with wind energy power generation equipment and the AC/DC transform chip of being connected with the alternating current, the photovoltaic power generation MPPT controller, the input of the management chip that charges is connected respectively to the output of wind energy power generation MPPT controller and AC/DC transform chip, power supply management chip and storage battery are connected respectively to the output of the management chip that charges, storage battery connects the power supply management chip.

Preferably, the photovoltaic power generation device comprises a solar panel, the wind power generation device comprises a power generation fan, the alternating current is the mains supply, and the AC/DC conversion chip comprises a plurality of power supply output ports of direct currents with different voltages.

Preferably, the power supply system further comprises a DC/DC conversion chip, wherein the output end of the power supply path management chip is connected to the DC/DC conversion chip, and the DC/DC conversion chip comprises a plurality of power supply output ports for direct currents with different voltages.

Preferably, the power management system further comprises an upper computer for monitoring, wherein the upper computer is connected with a communication port of the micro control chip for communication and is used for displaying power management parameters.

Preferably, the direct current output by the commercial power after passing through the AC/DC conversion chip and the DC/DC conversion chip includes electromagnetic compatibility characteristics. The EMC should be considered for each electronic device using the switching power supply, and how good the EMC is determines the stability of the electronic device in the outdoor environment at the unattended card gate. The voltage output by the AC/DC conversion chip and the DC/DC conversion chip can not generate electromagnetic interference harmful to other devices, and can bear electromagnetic interference with certain intensity.

Preferably, the charging management chip comprises a BQ24610 model chip, the power supply path management chip comprises an LTC4417 model chip, and the micro control chip comprises an STM32F042F4P6 model chip.

Preferably, the DC/DC conversion chip comprises a TPS54332 chip and a TPS61089 chip, the AC/DC conversion chip comprises a HI-LINK-2M chip, and the photovoltaic power generation MPPT controller and the wind power generation MPPT controller are WS-MPPT 15.

The utility model discloses a second aspect provides an unmanned on duty bayonet socket, and it still includes face identification banister, uninterrupted power source and lighting device, and lighting device and face identification banister are connected to galvanic power supply output port to provide required supply voltage, uninterrupted power source input and mains connection, DC/DC transform chip is connected to the output.

The technical scheme of the utility model can have following beneficial effect: the power management system of the unattended bayonet manages wind energy, solar energy and a mains supply multi-path power supply to realize wind-solar energy storage complementary control. The solar battery pack monitoring system has the advantages that the maximum power point of a solar panel and a power generation fan is tracked, the charging efficiency of the storage battery pack is improved, the whole-course monitoring can be carried out on the charging and discharging process of the storage battery pack, the electric quantity of the storage battery pack and the temperature of the storage battery pack, the utilization efficiency of the storage battery pack is effectively improved, the high-protection safety characteristic is achieved, and the power supply requirement of an outdoor unattended bayonet is comprehensively met. And the control equipment in the power management system of the unattended bayonet controls the power supply quantity of the storage battery pack so as to better coordinate the operation of each load. When the battery power is insufficient or the commercial power grid has a power failure instantly, the storage battery direct current power supply in the uninterruptible power supply is converted into alternating current to continue supplying power for the load, or when the whole power management system is broken down, the standby power system can be adopted to directly supply power for the load, so that inconvenience and loss caused by power failure are avoided.

Drawings

Fig. 1 is a schematic structural view of an unattended bayonet according to an embodiment of the present invention;

fig. 2 is a schematic frame diagram of a power management system for an unattended bayonet according to an embodiment of the present invention;

fig. 3 is a charging and discharging schematic diagram for an unattended bayonet according to an embodiment of the present invention.

Description of reference numerals: 1-a photovoltaic power generation device; 2-a wind power plant; 101-a solar panel; 201-a power generation fan; 1000-face recognition barrier; 12-a battery pack; 2000-uninterruptible power supply; 3000-control devices; 3-commercial power; 5-a photovoltaic power generation MPPT controller; 6-a wind power generation MPPT controller; 7-AC/DC conversion chip; 8-a charge management chip; 9-micro control chip; 10-an upper computer; 11-a power supply path management chip; 13-DC/DC conversion chip; 111-a photovoltaic solar panel; 112-a photovoltaic solar panel; 113-a photovoltaic solar panel; 511/512/513-photovoltaic power generation MPPT controller; a load of 141-9V; a load of 142-12V; 143-24V load; load of 144-48V; 132/133/134/135/136/137/138-DC/DC conversion chip.

Detailed Description

Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely illustrative of some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In a specific embodiment, as shown in fig. 1, the unattended card port includes a face recognition barrier 1000, an uninterruptible power supply 2000, a storage battery 12, a solar panel 101, and a power generation fan 201, wherein a power supply output port of direct current is connected to the face recognition barrier 1000 and the lighting device 4000 to provide a required power supply voltage, an input end of the uninterruptible power supply 3000 is connected to the utility power 3, and an output end thereof is connected to the DC/DC conversion chip 13.

The face recognition barrier 1000 is composed of two parts: face identification banister aircraft nose and floodgate machine. The different place of face identification banister and other banisters is, except can punching the card, two-dimensional code switching off, can also do face identification (brush face) switching off, not only promotes the experience of business turn over and feels, still more promotes the security degree.

In a specific embodiment, as shown in fig. 2, the power management system for an unattended gate, on one hand, the control device 3000 includes a micro-control chip 9 as a core processing device, and a power supply path management chip 11, a charging management chip 8, a photovoltaic MPPT controller 5 connected to the photovoltaic power generation device 1, a wind power generation MPPT controller 6 connected to the wind power generation device 2, and an AC/DC conversion chip 7 electrically connected to an alternating current, the output terminals of the photovoltaic MPPT controller 5, the wind power generation MPPT controller 6, and the AC/DC conversion chip 7 are respectively connected to the input terminal of the charging management chip 8, the output terminal of the charging management chip 8 is respectively connected to the power supply management chip 11 and the storage battery 12, and the storage battery 12 is connected to the power supply management chip 11.

The power management system for the unattended bayonet further comprises a mains supply 3, a DC/DC conversion chip 13 and an upper computer 10, the photovoltaic power generation equipment 1 comprises a solar panel 101, the wind power generation equipment 2 comprises a power generation fan 201, the alternating current is the mains supply 3, the AC/DC conversion chip 7 comprises a plurality of direct current power supply output ports with different voltages, the output end of the power supply path management chip 11 is connected with the DC/DC conversion chip 13, the DC/DC conversion chip 13 comprises a plurality of direct current power supply output ports with different voltages, and the upper computer 10 is connected with a communication port of the micro-control chip 9 for communication and is used for displaying power management parameters. The direct current output by the commercial power 3 after passing through the AC/DC conversion chip 7 and the DC/DC conversion chip 13 comprises electromagnetic compatibility characteristics. The EMC should be considered for each electronic device using the switching power supply, and how good the EMC is determines the stability of the electronic device in the outdoor environment at the unattended card gate. The electromagnetic compatibility requires that the voltages output by the AC/DC conversion chip 7 and the DC/DC conversion chip 13 cannot generate electromagnetic interference harmful to other devices thereof, and can endure electromagnetic interference of a certain intensity.

In a specific embodiment, taking the example that the charging management chip 8 is a BQ24610 model chip, the power supply path management chip 11 is an LTC4417 model chip, and the micro control chip 9 is an STM32F042F4P6 model chip, the characteristics of the above three chips are described, where the charging management chip 8 includes a protection module for charging protection of the storage battery pack 12; and the open leakage power supply detection module is used for reducing the power consumption of the charging management chip 8. And a charging indication module, configured to indicate a charging state of the storage battery pack 12.

When the output voltage of the solar panel 101 is greater than that of the storage battery pack 12, and the output voltage of the power generation fan 201 is greater than that of the storage battery pack 12, the storage batteries 12 are respectively charged, and the storage batteries can be lead-acid storage batteries, nickel-hydrogen storage batteries, nickel-cadmium batteries, sodium-sulfur storage batteries, nickel-zinc storage batteries, and lithium batteries. Taking lithium batteries as an example, the storage battery packs 12 are all connected in a mode of 3 series and 4 parallel, the standard voltage of the lithium batteries is 3.7v, the full charge is 4.2v, the series connection of the lithium batteries increases the voltage and the parallel connection increases the capacitance, the series connection of three lithium batteries is 12.6v, and the parallel connection capacity of 4 lithium batteries is 1000 mA. Thus, 3 series-connected lithium batteries will output 11.11V-12.6V voltage via the charge management chip 8. When the output voltage of the solar panel 101 is too large to charge the storage battery pack 12, the service life of the battery is very easy to be damaged, and a high-power voltage reduction circuit can be used to reduce the voltage to charge the storage battery pack 12, so that the service life of the battery can be protected. The power management system for the unattended card port can also add other power supplies as input power supplies according to the use environment, such as tidal energy and geothermal energy, and can correspondingly add the storage battery pack 12 and the charging management chip 8.

The chip type of the DC/DC conversion chip 13 may be, for example, a TPS54332 chip and a TPS61089 chip, the TPS61089 chip is a DC boost converter, and the input voltage range is as follows: 2.7V to 12V, output voltage range: 4.5V to 12.6V, and 13.2V internal output overvoltage protection. The TPS54332 chip is a direct current buck converter, and the input voltage is: 3.5V to 28V, the output voltage is: 0.8V-25V, and the required voltage is provided for the load through the voltage boosting and reducing treatment.

According to the specific embodiment, the functions of the uninterruptible power supply, the micro control chip and the upper computer are explained respectively:

UPS 2000 is a UPS, and UPS 2000 is an UPS that includes an energy storage device. The power supply device is mainly used for providing uninterrupted power supply for partial equipment with higher requirements on power supply stability. When the commercial power 3 is input normally, the UPS supplies the commercial power 3 to a load for use after stabilizing the voltage, and the UPS is an alternating current type voltage stabilizer and also charges a built-in battery at the same time; when the commercial power 3 is interrupted (power failure), the UPS immediately provides the dc power of the battery as a load, and the uninterruptible power supply 2000, i.e., the USP, may be a lithium battery UPS power supply or a lead-acid battery UPS. The main use of the power supply is to provide a stable, uninterrupted power supply to a power management system for an unattended bayonet. When an accident power failure occurs, the UPS battery can immediately supply the DC power stored in the battery to the load by the method of switching and converting the inverter to continuously supply 220V AC power. The load is maintained in a normal working state, and the software and hardware of the load are protected from being damaged.

The micro-control chip 9 is a digital control unit, and specifically includes MPPT control, ac/dc conversion control, charge management, and discharge management. An ARM chip can be selected, wherein the STM32 is an industrial control low-power-consumption core-oriented ARM chip of an easy semiconductor and is a Cortex M3 core; DSP chips may also be selected, for example: the TMS320C6000 series, DSP is digital signal processing, and is mainly used for occasions with special requirements on operation speed, such as digital model processing.

The upper computer 8 is connected with a communication port of the micro-control chip 9 for communication and is used for displaying power management parameters such as battery charging and discharging states, battery capacity, battery temperature, charging voltage and the like. Further explained, the upper computer 8 can be a computer directly sending out control commands, the computer is used as a control center, all power supplies are controlled units at the same level, information concentration and information dispersion are achieved through a switch, the LXI bus communication technology is used as a basis, control of the computer on the power supplies is achieved, and a working platform is provided for a system control interface of the upper computer 8. The system control interface realizes man-machine information interaction on a software layer, a user sends a command to the power supply through the control interface to realize control over the power supply, and the power supply sends working state information to the upper computer 8 and displays the working state information through the control interface, so that the system can realize real-time monitoring of the working state of the power supply.

In a specific embodiment, fig. 3 is a schematic charging and discharging diagram for an unattended bayonet according to an embodiment of the present invention, which is divided into a main power supply system, a load output system and a standby power system. In the main power supply system, the solar energy storage battery pack is composed of three photovoltaic

solar panels

111, 112 and 113 respectively, a BSM180-72200W/24V single crystal silicon panel and a power generation fan 2, the three photovoltaic solar panels are respectively controlled by photovoltaic power

generation MPPT controllers

511, 512 and 513 and a wind power generation MPPT controller 6, the model of the controller is CM3048, wherein each path of voltage output by the photovoltaic power

generation MPPT controllers

511, 512 and 513 and the wind power generation MPPT controller 6 is respectively subjected to voltage conversion by DC/

DC conversion chips

131, 132, 133 and 134, and the MPPT controller can detect the power generation voltages of the

solar panels

111, 112 and 113 and the power generation fan 2 in real time and track the highest voltage current value, so that the system charges the storage battery pack 12 with the maximum power output. The load output part can be externally connected with a 9V load 141, a 12V load 142, a 24V load 143 and a 48V load 144 after voltage conversion is carried out on the DC/

DC conversion chips

131, 132, 133 and 134. The spare electric system part, commercial power 3 passes through AC/DC conversion chip, and wherein AC/DC conversion chip includes EAC module, converts the alternating current into direct current after the conversion, and partly charges storage battery 12, and its direct current has electromagnetic compatibility's characteristic, and another part passes through DC/

DC conversion chip

135, 136, 137 and 138 external 9V load 141, 12V load 142, 24V load 143 and 48V load 144 respectively, provides power supply voltage for it.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit and scope of the invention. In this way, if these modifications and changes are within the scope of the claims of the present invention and their equivalents, the present invention is also intended to cover these modifications and changes. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims

1. The utility model provides a power management system for unmanned on duty bayonet socket, its characterized in that includes controlgear and storage battery, controlgear includes the little accuse chip as core processing device, and respectively with power supply route management chip, the management chip that charges that little accuse chip is connected, photovoltaic power generation MPPT controller with photovoltaic power generation equipment is connected, the wind energy power generation MPPT controller with wind energy power generation equipment is connected and with the AC/DC conversion chip of interchange electricity connection, photovoltaic power generation MPPT controller, wind energy power generation MPPT controller and AC/DC conversion chip's output is connected respectively the input of management chip charges, the output of management chip that charges is connected respectively power supply management chip and storage battery, storage battery connects power supply management chip.

2. The power management system for the unattended bayonet according to claim 1, further comprising a utility power, wherein the photovoltaic power generation device comprises a solar panel, the wind power generation device comprises a power generation fan, the utility power is the utility power, and the AC/DC conversion chip comprises a plurality of power output ports for direct currents of different voltages.

3. The power management system for the unattended bayonet according to any one of claims 1 and 2, further comprising a DC/DC conversion chip, wherein an output end of the power supply path management chip is connected to the DC/DC conversion chip, and the DC/DC conversion chip comprises a plurality of power supply output ports for direct currents of different voltages.

4. The power management system for the unattended bayonet according to claim 3, further comprising an upper computer for monitoring, wherein the upper computer is connected with the communication port of the micro control chip for communication, and is used for displaying power management parameters.

5. The power management system of claim 2, wherein the DC power output from the commercial power source after passing through the AC/DC conversion chip comprises electromagnetic compatibility.

6. The power management system for an unmanned bayonet of claim 1, wherein the charge management chip comprises a BQ24610 model chip, the supply path management chip comprises an LTC4417 model chip, and the micro-control chip comprises an STM32F042F4P6 model chip.

7. The power management system for an unmanned on duty bayonet of claim 3, wherein said DC/DC conversion chip comprises a TPS54332 model chip and a TPS61089 model chip.

8. The power management system for an unmanned bayonet of claim 5, wherein the AC/DC conversion chip comprises a HI-LINK-2M model chip.

9. The power management system for an unmanned bayonet of claim 1, wherein the photovoltaic power generation MPPT controller and wind power generation MPPT controller are WS-MPPT15 model.

10. An unattended bayonet, comprising the power management system for the unattended bayonet according to any one of claims 1 to 9, and further comprising a face recognition barrier, an uninterruptible power supply, a DC/DC conversion chip and a lighting device, wherein the power management system is connected with the face recognition barrier and the lighting device, and the uninterruptible power supply is connected with the DC/DC conversion chip for connection, so as to connect the face recognition barrier and the lighting device.