CN215419728U - Power supply system for intelligent storage cabinet - Google Patents

Power supply system for intelligent storage cabinet Download PDF

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Publication number
CN215419728U
CN215419728U CN202122051627.8U CN202122051627U CN215419728U CN 215419728 U CN215419728 U CN 215419728U CN 202122051627 U CN202122051627 U CN 202122051627U CN 215419728 U CN215419728 U CN 215419728U
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China
Prior art keywords
power supply
lithium battery
wide
backup
temperature
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CN202122051627.8U
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Chinese (zh)
Inventor
何彬彬
赵旭东
赵文昱
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Beijing Yinshan Technology Co ltd
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Beijing Yinshan Technology Co ltd
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Abstract

The utility model provides a power supply system for an intelligent storage cabinet, and relates to the technical field of backup power supplies. The power supply system comprises an AC-DC voltage-stabilizing switching power supply, a backup power supply controller, a backup wide-temperature lithium battery and a power supply monitoring device; the AC-DC voltage-stabilizing switch power supply is connected with an electric load in the intelligent storage cabinet, AC220V alternating current commercial power is converted into a 12V direct current power supply, and a bypass provides a stable power supply for equipment in the intelligent storage cabinet under the condition that the commercial power is normally supplied; the backup power supply controller is connected with the backup wide-temperature lithium battery and controls charging and discharging of the backup wide-temperature lithium battery to form a backup power supply; the power supply monitoring device is connected with the AC-DC voltage-stabilizing switching power supply, the backup wide-temperature lithium battery and the backup power supply controller and is used for monitoring the output voltage and current of the DC end of the AC-DC voltage-stabilizing switching power supply; and monitoring the power supply voltage and current of the DC output interface of the wide-temperature lithium battery, and monitoring the temperature, capacity and electric quantity of the wide-temperature lithium battery.

Description

Power supply system for intelligent storage cabinet
Technical Field
The utility model relates to the technical field of power supplies, in particular to a power supply system for an intelligent storage cabinet.
Background
The intelligent storage cabinet is used as a promoter of the internet of things era, and integrates internet of things data communication, data control, data storage, data linkage, data decision, traffic operation, channel integration, block chain technology, artificial intelligence technology, interconnection technology and interconnection technology together, so that a solid foundation is laid for the smart city and the universal interconnection era.
The intelligent storage cabinet is based on technologies such as positioning, real-time monitoring, mobile internet, internet of things and AI, and stores services under the internet of things are connected, so that high-quality, high-efficiency and extraordinary high-quality life services are provided for consumers, and the intelligent storage cabinet is widely applied.
The intelligent storage cabinet is applied to a storage cabinet, an express delivery cabinet, a transfer cabinet and the like, and is also applied to storage of special articles in a large number, such as firearms and ammunition, biochemical products, medicines, special instruments and equipment and the like.
General intelligent locker power is the commercial power and inserts, be the power supply of intelligent locker through switching power supply, can realize general power supply demand, nevertheless to the unable monitoring of power quality, if have a power failure, then controller stop work, the signal can't spread, the cabinet door can't be opened, even there is stand-by power supply, stand-by power supply starts to be equivalent to the resetting of intelligent locker, probably arouse data loss, the cabinet door is opened by mistake, the circumstances such as controller trouble, the normal use to intelligent locker has caused the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art and provides a power supply system for an intelligent storage cabinet, which is used for supplying power to the intelligent storage cabinet uninterruptedly.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a power supply system for an intelligent storage cabinet comprises an AC-DC voltage-stabilizing switching power supply, a backup power supply controller, a backup wide-temperature lithium battery and a power supply monitoring device; the AC-DC voltage-stabilizing switch power supply is connected with an electric load in the intelligent storage cabinet, AC220V alternating current commercial power is converted into a 12V direct current power supply, and a bypass provides a stable power supply for equipment in the intelligent storage cabinet under the condition that the commercial power is normally supplied; the backup power supply controller is connected with the backup wide-temperature lithium battery and controls charging and discharging of the backup wide-temperature lithium battery to form a backup power supply; the power supply monitoring device is connected with the AC-DC voltage-stabilizing switching power supply, the backup wide-temperature lithium battery and the backup power supply controller.
Preferably, the backup power controller comprises a mains supply interface, a discharge controller, a PWM charge controller, and a protection circuit; the discharge controller is connected with the backup wide-temperature lithium battery and controls the backup wide-temperature lithium battery to be switched uninterruptedly under the condition that the mains supply is powered off; the commercial power interface is connected with the wide-temperature lithium battery through the PWM charging controller, and a charging power supply is provided for the wide-temperature lithium battery through the PWM charging controller; the PWM charging controller adopts a PWM chip to control the charging of the wide-temperature lithium battery; and the protection circuit is connected with the PWM charging controller.
Preferably, the protection circuit includes an over-temperature protection circuit, an overcharge protection circuit, an overdischarge protection circuit, an overcurrent protection circuit, an overvoltage protection circuit, an overload protection circuit, a short-circuit protection circuit, and a reverse connection protection circuit.
Preferably, the backup wide-temperature lithium battery comprises a lithium battery, a wide-temperature control device, an AC input interface and a DC output interface; the lithium battery stores electric power, and the wide temperature control device is connected with the lithium battery; the AC input interface provides a charging power supply for the wide-temperature lithium battery through the PWM charging controller, the DC output interface is connected with an electric load in the intelligent storage cabinet, and electric energy of the wide-temperature lithium battery is output as a backup direct-current power supply.
Preferably, the power supply monitoring device comprises an ammeter, a voltmeter, a power meter and a temperature sensor, and is used for monitoring the output voltage and current of the DC end of the AC-DC voltage-stabilizing switching power supply; and monitoring the power supply voltage and current of the DC output interface of the wide-temperature lithium battery, and monitoring the temperature, capacity and electric quantity of the wide-temperature lithium battery.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the power supply system for the intelligent storage cabinet, provided by the utility model, is used as a part of a movable ring monitoring system of the intelligent storage cabinet, can be instantly switched to a standby power supply in the cabinet to supply power in case of unexpected power failure (less than 10ms), can provide 12-72 hours of standby power supply, has multiple safety protection functions of overcharge, overdischarge, reverse connection prevention and overheat protection, can meet the requirement of uninterrupted and stable work of the intelligent storage cabinet, avoids repeated resetting of the system and misoperation, and well meets the requirements of uninterrupted monitoring and uninterrupted power supply for storage of special articles.
Drawings
FIG. 1 is a block diagram of a power supply system for an intelligent storage cabinet according to the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
A power supply system for an intelligent storage cabinet is shown in figure 1 and comprises an AC-DC voltage stabilizing switch power supply, a backup power supply controller, a backup wide-temperature lithium battery and a power supply monitoring device; the AC-DC voltage-stabilizing switch power supply is connected with an electric load in the intelligent storage cabinet, AC220V alternating current commercial power is converted into a 12V direct current power supply, and a bypass provides a stable power supply for equipment in the intelligent storage cabinet under the condition that the commercial power is normally supplied; the backup power supply controller is connected with the backup wide-temperature lithium battery and controls charging and discharging of the backup wide-temperature lithium battery to form a backup power supply; the power supply monitoring device is connected with the AC-DC voltage-stabilizing switching power supply, the backup wide-temperature lithium battery and the backup power supply controller.
The backup power controller comprises a mains supply interface, a discharge controller, a PWM charging controller and a protection circuit; the discharge controller controls the uninterrupted switching of the backup wide-temperature lithium battery under the condition that the mains supply is powered off; the commercial power interface is connected with the wide-temperature lithium battery through the PWM charging controller, and a charging power supply is provided for the wide-temperature lithium battery through the PWM charging controller; the PWM charging controller adopts a PWM chip and adopts a unipolar and bipolar pulse width modulation mode to control the charging of the wide-temperature lithium battery, and when the mains supply is powered off, the wide-temperature lithium battery can be intelligently and automatically switched to a backup power supply for supplying power, and the switching delay is less than 10 ms; and the protection circuit is connected with the PWM charging controller.
The protection circuit comprises an over-temperature protection circuit, an over-charge protection circuit, an over-discharge protection circuit, an over-current protection circuit, an over-voltage protection circuit, an overload protection circuit, a short-circuit protection circuit and a reverse connection protection circuit.
The backup wide-temperature lithium battery comprises a lithium battery, a wide-temperature control device, an AC input interface and a DC output interface; the lithium battery stores electric power, and the wide-temperature control device is connected with the lithium battery to keep the lithium battery capable of being normally used; the AC input interface provides a charging power supply for the wide-temperature lithium battery through the PWM charging controller, the DC output interface is connected with an electric load in the intelligent storage cabinet, and electric energy of the wide-temperature lithium battery is output as a backup direct-current power supply.
The wide-temperature control device comprises a control device, a protection device, a battery heating device and the like which are sequentially connected, so that the lithium battery is at a proper working temperature and is at an optimal working performance for the lithium battery.
The power supply monitoring device comprises an ammeter, a voltmeter, a power meter and a temperature sensor, and is used for monitoring the output voltage and current of the DC end of the AC-DC voltage-stabilizing switching power supply; the monitoring system comprises a monitoring module, a standby power supply controller, a wide-temperature lithium battery DC output interface, a standby power supply, a battery pack, a battery charger and the like.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions and scope of the present invention as defined in the appended claims.

Claims (5)

1. The utility model provides an intelligence electrical power generating system for locker which characterized in that: the device comprises an AC-DC voltage-stabilizing switching power supply, a backup power supply controller, a backup wide-temperature lithium battery and a power supply monitoring device; the AC-DC voltage-stabilizing switch power supply is connected with an electric load in the intelligent storage cabinet, AC220V alternating current commercial power is converted into a 12V direct current power supply, and a bypass provides a stable power supply for equipment in the intelligent storage cabinet under the condition that the commercial power is normally supplied; the backup power supply controller is connected with the backup wide-temperature lithium battery and controls charging and discharging of the backup wide-temperature lithium battery to form a backup power supply; the power supply monitoring device is connected with the AC-DC voltage-stabilizing switching power supply, the backup wide-temperature lithium battery and the backup power supply controller.
2. The power supply system for the intelligent storage cabinet as claimed in claim 1, wherein: the backup power controller comprises a mains supply interface, a discharge controller, a PWM charging controller and a protection circuit; the discharge controller is connected with the backup wide-temperature lithium battery and controls the backup wide-temperature lithium battery to be switched uninterruptedly under the condition that the mains supply is powered off; the commercial power interface is connected with the wide-temperature lithium battery through the PWM charging controller, and a charging power supply is provided for the wide-temperature lithium battery through the PWM charging controller; the PWM charging controller adopts a PWM chip to control the charging and discharging of the wide-temperature lithium battery; and the protection circuit is connected with the PWM charging controller.
3. The power supply system for the intelligent storage cabinet as claimed in claim 2, wherein: the protection circuit comprises an over-temperature protection circuit, an over-charge protection circuit, an over-discharge protection circuit, an over-current protection circuit, an over-voltage protection circuit, an overload protection circuit, a short-circuit protection circuit and a reverse connection protection circuit.
4. The power supply system for the intelligent storage cabinet as claimed in claim 1, wherein: the backup wide-temperature lithium battery comprises a lithium battery, a wide-temperature control device, an AC input interface and a DC output interface; the lithium battery stores electric power, and the wide temperature control device is connected with the lithium battery; the AC input interface provides a charging power supply for the wide-temperature lithium battery through the PWM charging controller, the DC output interface is connected with an electric load in the intelligent storage cabinet, and electric energy of the wide-temperature lithium battery is output as a backup direct-current power supply.
5. The power supply system for the intelligent storage cabinet as claimed in any one of claims 2 to 4, wherein: the power supply monitoring device comprises an ammeter, a voltmeter, a power meter and a temperature sensor and is used for monitoring the output voltage and current of the DC end of the AC-DC voltage-stabilizing switching power supply; and monitoring the power supply voltage and current of the DC output interface of the wide-temperature lithium battery, and monitoring the temperature, capacity and electric quantity of the wide-temperature lithium battery.
CN202122051627.8U 2021-08-27 2021-08-27 Power supply system for intelligent storage cabinet Active CN215419728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122051627.8U CN215419728U (en) 2021-08-27 2021-08-27 Power supply system for intelligent storage cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122051627.8U CN215419728U (en) 2021-08-27 2021-08-27 Power supply system for intelligent storage cabinet

Publications (1)

Publication Number Publication Date
CN215419728U true CN215419728U (en) 2022-01-04

Family

ID=79664525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122051627.8U Active CN215419728U (en) 2021-08-27 2021-08-27 Power supply system for intelligent storage cabinet

Country Status (1)

Country Link
CN (1) CN215419728U (en)

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