CN212277979U

CN212277979U - Direct current uninterrupted power supply device

Info

Publication number: CN212277979U
Application number: CN202021111543.8U
Authority: CN
Inventors: 王宏斌; 张铁军
Original assignee: Wuxi North Huguang Optics Electronics Co ltd
Current assignee: Wuxi North Huguang Optics Electronics Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-01-01
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a direct current uninterrupted power supply device, which is characterized by comprising a first input interface, a second input interface, a power circuit, a singlechip, a control circuit, a power storage circuit and an output circuit, wherein the first input interface and the second input interface are both electrically connected with the power circuit, and the output end of the power circuit is electrically connected with the power input end of the singlechip; the first input interface and the second input interface are both connected to the control circuit, and the output end of the control circuit is electrically connected with the input end of the electric power storage circuit. The beneficial effects of the utility model are that the state of the battery can be comprehensively managed according to the discharging state and the electric quantity of the battery accessed by the first input interface and the second input interface, the residual electric quantity of the standby battery of the terminal can be kept at any life cycle of the battery, and the performance of the battery is considered; the whole reliability is high, and the practicality is good.

Description

Direct current uninterrupted power supply device

Technical Field

The utility model belongs to the technical field of power control, especially, relate to a direct current uninterrupted power supply device.

Background

With the continuous development of modern technology, intelligent equipment is used more and more frequently by special users, the requirement on power supply energy is higher, part of equipment is powered by a battery pack only, and the power supply is required to be kept uninterrupted during the battery replacement period.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Partial equipment only adopts the group battery power supply among the prior art, and the disclosure that keeps the uninterrupted power supply technique during battery replacement is less, the utility model aims to provide a direct current uninterrupted power supply device, the device judge the residual capacity of battery to can realize the switching of passageway, in the passageway switches, can realize that the output does not break off, and remind user battery electric quantity to exhaust and need supply the electric energy, the user can be before the reuse battery exhausts change new battery, realizes uninterrupted output, and the function is practical, convenient to use.

2. Technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a direct current uninterrupted power supply device is characterized by comprising a first input interface, a second input interface, a power circuit, a single chip microcomputer, a control circuit, an electric power storage circuit and an output circuit, wherein the first input interface and the second input interface are both electrically connected with the power circuit, and the output end of the power circuit is electrically connected with the power input end of the single chip microcomputer; the first input interface and the second input interface are both connected to the control circuit, the output end of the control circuit is electrically connected with the input end of the electric storage circuit, and the output end of the electric storage circuit is electrically connected with the input end of the output circuit; the output end of the single chip microcomputer is electrically connected with the input end of the control circuit, the single chip microcomputer is externally connected with a switch, the single chip microcomputer is externally connected with a voltage detection circuit, and the voltage detection circuit is electrically connected with the single chip microcomputer.

The utility model relates to a specific embodiment, the singlechip is external to have to burn interface and temperature detect circuit, burns interface and temperature detect circuit's output all with the input electric connection of singlechip.

The utility model discloses a concrete embodiment, the singlechip is external to have reputation state display circuit and electric quantity display circuit, the signal output part of singlechip and reputation state display circuit and electric quantity display circuit's input electric connection.

In a specific embodiment of the present invention, the single chip microcomputer is of STC8F series.

In a specific embodiment of the present invention, a watchdog and a memory are further disposed on the single chip.

When the direct current uninterruptible power supply device is used, electricity is taken through the first input interface and the second input interface, the input power supply is converted into a 5V power supply required by the work of the single chip microcomputer by the power supply circuit, and meanwhile, the single chip microcomputer detects and compares voltages input by the first input interface and the second input interface, and power is supplied with low voltage preferentially; when the electric quantity of the power supply end with low voltage is exhausted or taken away, the control circuit automatically switches the standby power storage circuit to output; at the moment of accessing the electric storage circuit, the first input interface and the second input interface are both in a closed state, and at the moment, the output energy is provided by the energy storage capacitor; when the single chip microcomputer judges that the power supply end is low in electric quantity and is switched to another group, the user can be prompted to exhaust the electric quantity of the battery through the acousto-optic state display circuit, and the user is prompted to replace and charge the battery as far as possible.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can carry out the integrated management to the state of battery according to the discharge state of first input interface and the second input interface battery of inserting and the electric quantity of battery, can both keep the reserve battery's of terminal residual capacity constantly at the arbitrary life cycle of battery, moreover the utility model discloses the performance of battery self has been taken into account to the method, the utility model discloses the reliability is high, and the practicality is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic block diagram of the present invention.

Fig. 2 is a power supply circuit diagram of the present invention.

Fig. 3 is a circuit diagram of the temperature detection circuit of the present invention.

Fig. 4 is a circuit diagram of the voltage detection circuit of the present invention.

Fig. 5 is a circuit diagram of the single chip microcomputer of the present invention.

Fig. 6 is an output circuit diagram of the present invention.

Fig. 7 is a circuit diagram of the acousto-optic state of the present invention.

Fig. 8 is a circuit diagram of the power storage circuit of the present invention.

In the figure: 1-a first input interface 2-a second input interface 3-a power supply circuit 4-a singlechip 5-a control circuit 6-an electric storage circuit 7-an output circuit 8-a switch 9-a burning interface 10-a temperature detection circuit 11-an acousto-optic state display circuit 12-an electric quantity display circuit 13-a voltage detection circuit.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

As shown in fig. 1 to 8, a dc uninterruptible power supply device includes a first input interface 1, a second input interface 2, a power circuit 3, a single chip microcomputer 4, a control circuit 5, a power storage circuit 6, and an output circuit 7, where the single chip microcomputer 4 adopts STC8F series, the first input interface 1 and the second input interface 2 are both electrically connected to the power circuit 3, and an output end of the power circuit 3 is electrically connected to a power input end of the single chip microcomputer 4; the first input interface 1 and the second input interface 2 are both connected to the control circuit 5, the output end of the control circuit 5 is electrically connected with the input end of the electric storage circuit 6, and the output end of the electric storage circuit 6 is electrically connected with the input end of the output circuit 7; the output end of the singlechip 4 is electrically connected with the input end of the control circuit 5, and the singlechip 4 is externally connected with a switch 8; the singlechip 4 is externally connected with a burning interface 9 and a temperature detection circuit 10, and the output ends of the burning interface 9 and the temperature detection circuit 10 are electrically connected with the input end of the singlechip 4; the single chip microcomputer 4 is externally connected with an acousto-optic state display circuit 11 and an electric quantity display circuit 12, and the signal output end of the single chip microcomputer 4 is electrically connected with the acousto-optic state display circuit 11 and the input end of the electric quantity display circuit 12; the singlechip 4 is externally connected with a voltage detection circuit 13, and the voltage detection circuit 13 is electrically connected with the singlechip 4.

The functions of the above units are as follows:

power supply circuit 3: power is supplied from the first input interface 1 and the second input interface 2, and on-off is controlled by a switch 8 and used for supplying power to the singlechip 4 system;

temperature detection circuit 10: the system is used for detecting the state of the current working environment;

voltage detection circuit 13: two paths of voltage detection are built in, and the voltage states of two paths of batteries are respectively detected;

output circuit 7: the output control signal is controlled by the singlechip 4;

the acoustic-optical state display circuit 11: the method comprises the steps of displaying states and electric quantity, wherein the states are used for informing a user of the current power supply states of a first input interface 1 and a second input interface 2, and if the electric quantity of batteries connected to the first input interface 1 and the second input interface 2 is exhausted, the user can be prompted through an indicator lamp and a buzzer;

the electric quantity display circuit 12: the electric quantity display is used for informing a user of the residual electric quantity of the current working battery;

the electric storage circuit 6: the device comprises a plurality of capacitors connected in parallel, wherein the number of the capacitors connected in parallel to be installed is determined by the output power and the switch-off duration; the capacitor charging is realized by resistance current limiting, the capacitor discharging is directly output through a diode, and the capacity adjustment does not influence the overcurrent or short-circuit protection of the power supply input by the first input interface 1 and the second input interface 2.

The direct current uninterrupted power supply device gets electricity through the first input interface 1 and the second input interface 2, the power circuit 3 converts an input power into a 5V power required by the work of the singlechip 4, and meanwhile, the singlechip 4 detects and compares voltages input by the first input interface 1 and the second input interface 2, and preferentially supplies power with low voltage; when the power supply end with low voltage is exhausted or taken away, the control circuit 5 automatically switches the standby power storage circuit 6 to output; at the moment of accessing the electric storage circuit 6, the first input interface 1 and the second input interface 2 are both in a closed state, and at the moment, the output energy is provided by the energy storage capacitor; when the single chip microcomputer 4 judges that the power supply end is low in electric quantity and switches to another group, the user is prompted to use up the battery electric quantity through the acousto-optic state display circuit 11, and the user is prompted to replace and charge the battery.

In summary, the following steps: the direct current uninterrupted power supply device can comprehensively manage the state of the battery according to the discharge state and the electric quantity of the battery accessed by the first input interface 1 and the second input interface 2, can keep the residual electric quantity of the standby battery of the terminal at any life cycle of the battery, and considers the performance of the battery; the whole reliability is high, and the practicality is good.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A kind of direct current incessant power supply unit, characterized by that: the power supply comprises a first input interface, a second input interface, a power supply circuit, a single chip microcomputer, a control circuit, an electric power storage circuit and an output circuit, wherein the first input interface and the second input interface are both electrically connected with the power supply circuit, and the output end of the power supply circuit is electrically connected with the power supply input end of the single chip microcomputer; the first input interface and the second input interface are both connected to the control circuit, the output end of the control circuit is electrically connected with the input end of the electric storage circuit, and the output end of the electric storage circuit is electrically connected with the input end of the output circuit; the output end of the single chip microcomputer is electrically connected with the input end of the control circuit, and a switch is externally connected to the single chip microcomputer; the single chip microcomputer is externally connected with a voltage detection circuit, and the voltage detection circuit is electrically connected with the single chip microcomputer.

2. A dc uninterruptible power supply as claimed in claim 1, wherein: the single chip microcomputer is externally connected with a burning interface and a temperature detection circuit, and the output ends of the burning interface and the temperature detection circuit are electrically connected with the input end of the single chip microcomputer.

3. A dc uninterruptible power supply as claimed in claim 1, wherein: the single chip microcomputer is externally connected with an acousto-optic state display circuit and an electric quantity display circuit, and the signal output end of the single chip microcomputer is electrically connected with the acousto-optic state display circuit and the input end of the electric quantity display circuit.

4. A dc uninterruptible power supply as claimed in claim 1, wherein: the single chip microcomputer adopts STC8F series.

5. A dc uninterruptible power supply as claimed in claim 1, wherein: the single chip microcomputer is also provided with a watchdog and a memory.