CN207320894U - Metering switch power supply - Google Patents

Metering switch power supply Download PDF

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Publication number
CN207320894U
CN207320894U CN201721358648.1U CN201721358648U CN207320894U CN 207320894 U CN207320894 U CN 207320894U CN 201721358648 U CN201721358648 U CN 201721358648U CN 207320894 U CN207320894 U CN 207320894U
Authority
CN
China
Prior art keywords
power supply
signal
control chip
main control
break
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.)
Expired - Fee Related
Application number
CN201721358648.1U
Other languages
Chinese (zh)
Inventor
赵岩
张上
谭荧屏
谢若愚
谢小东
李璐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Normal University
Original Assignee
Anhui Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Normal University filed Critical Anhui Normal University
Priority to CN201721358648.1U priority Critical patent/CN207320894U/en
Application granted granted Critical
Publication of CN207320894U publication Critical patent/CN207320894U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of metering switch power supply, Switching Power Supply input terminal connects power cord, the Switching Power Supply is outwards powered through relay electronic switch, the Switching Power Supply is master control chip power supply, the main control chip exports on-off signal to relay electronic switch, main control chip can be into the selection of row mode, the utility model supply unit not only can display real-time output voltage electric energy, charge duration, timing can also be provided, it is quantitative, freely three kinds of output selection modes, with a variety of anti-overcharge anti-long-time trickle intelligence turn-off functions, and with power supply itself detection prompting function.

Description

Metering switch power supply
Technical field
It the utility model is related to field of power supplies.
Background technology
Common regular tap power supply currently on the market, existing constant pressure and flow delivery efficiency is general, and slightly higher level a little switchs Power supply such as phone charger, electrical bike charger have had the characteristics that efficiency is higher, pattern is various, output is stable, or even have had There are the functions such as voltage power output indication is anti-overcharge.But output mode is single, anti-overcharge form is mainly trickle form, but long Phase long-time trickle can cause damage battery.Being not easy to different user timing, surely unrestricted choice uses;It cannot know in time Power work situation, is not easy to user security use.
Utility model content
The utility model is single in order to overcome existing Switching Power Supply electric energy output selection mode, and long-term long-time trickle is to electricity Pond damages, it is impossible to while meet a variety of output selections of user, the technology back ofs the body such as power supply itself working status quality can not predict The defects of under scape and deficiency, there is provided a kind of power supply for having the function of to control metering switch.
To achieve these goals, the technical solution adopted in the utility model is:Metering switch power supply, Switching Power Supply input End connection power cord, the Switching Power Supply are outwards powered through relay electronic switch, and the Switching Power Supply is master control chip power supply, Main control chip output on-off signal to relay electronic switch, the main control chip includes:
Driving unit:On-off signal is exported to relay electronic switch;
Mode selecting unit:Determine to send the qualifications of break signal, qualifications to the break-make for exporting setting judges Unit;
Timing unit:The time of relay electronic switch output electric energy is obtained, and time signal is delivered to break-make and is judged Unit;
Metering units:The electricity of relay electronic switch output electric energy is obtained, and electric quantity signal is delivered to break-make and is judged Unit;
Break-make judging unit:According to whether the qualifications for completing setting export break signal to driving unit.
Push-button unit output parameter Regulate signal to main control chip mode selecting unit.
The output terminal of the Switching Power Supply adopts volt circuit and current detection circuit equipped with power supply, the power supply adopt volt circuit and Current detection circuit exports sampled signal to main control chip.
The power supply adopts the constantan wire resistance that volt circuit is the output terminal for being connected to Switching Power Supply, the current detection circuit MAX4172 chips conversion current signal is used to be delivered to main control chip for voltage signal.
The main control chip uses STM32 chips, and the main control chip output parameter signal to display module is shown.
The utility model has the advantage of:
1st, science and technology is maked rapid progress, with the progress in epoch and the continuous popularization of intelligent level, the life water of people Flat, quality is gradually lifted, also original stronger to the demand of "smart" products, and intelligent switch power source is as a kind of daily necessities Naturally it is to have to make improvements realization intelligence;
2nd, the utility model Switching Power Supply increases model selection than original Switching Power Supply, and timing, quantify, free three kinds of moulds Formula, for user add using selection be more convenient for user use, at regular time and quantity shut-off and freely intelligence shut-off more effectively protection Overcharging during charging use and long-time trickle damage caused by battery, LCD MODULE display real-time voltage, defeated Go out energy, charging interval, itself safety check situation and also add color for power supply, the user that is more convenient for observation easy to use;
3rd, the intelligent measurement module of the utility model Switching Power Supply is better than market regular tap power supply, market Switching Power Supply Safety detection module is had no, but cannot be guaranteed that user's is safe to use.This Switching Power Supply carries work safety condition detection simultaneously Real-time display, when power failure or damage, power detecting control system turns off Switching Power Supply, effectively avoids failure Use, reduce the risk of the damage and user's personal safety to battery.
Brief description of the drawings
The content expressed below attached drawing in the utility model specification is briefly described:
Fig. 1 is metering switch power principle figure.
Embodiment
The utility model adds to adopt pressure and adopt current circuit and voltage and current is sampled in original switched power output, uses STM32, which gathers Current Voltage and adds up in inside progress electric energy, exports computing, with OLED to voltage power, charging duration, work Situation is shown.Add manual switch to connect STM32 with electronic switch in Switching Power Supply input terminal and intelligence is carried out to Switching Power Supply Shut-off.On STM32 plus control circuit is pressed key control timing with three, is quantified, free Three models, separately sets two buttons and is used for Time, energy selection are carried out under pattern at regular time and quantity.Compare the reality output electric energy and setting electric energy of collection, STM32 is to electronics Switch carries out intelligent shut-off, and power supply can be accomplished full of power-off under free schema, plays the anti-overcharge anti-long-time trickle of intelligence Effect.Compare Switching Power Supply reality output data inside STM32 and judge Switching Power Supply real-time working quality with laboratory data With working performance and prompt.
Specifically as shown in Figure 1, newly adding an intelligent measuring system, control unit on the basis of existing efficient Switching Power Supply Divide and use STM32 monolithics and realization, in switched power output plus a sample circuit.Add a health on the main line of output terminal Copper wire resistance, main line virtual voltage can be calculated according to trial scale by carrying out sampling to voltage in the case where loss is minimum.It is right It is that voltage signal calculates main line electric current for STM32 collections to convert current signal with MAX4172 chips when electric current is sampled, then Carry out electric energy in STM32 to calculate and add up in real time, the electric energy and charging duration of the voltage calculating of collection carry out on OLED Display.
STM32 control circuits set three buttons to be used for selecting timing, quantify, free Three models, separately set two buttons For selecting duration and value under pattern at regular time and quantity, two buttons are plus-minus button.Set under timing mode and often add and subtract When stepping 0.5 of button is small, when reaching setting duration, closed by microcontroller control electronic switch relay controlling switch power supply Disconnected, power supply does not recharge;Often plus-minus stepping 1kwh of button is set under quantitative model, when output electric energy reaches setting Value, controls electronic switch relay controlling switch power remove, power supply is stopped by microcontroller;Under free schema, switch Power supply adopts flow module detection output current, and when battery is full of, output current is decreased to milliampere, and control power supply is detected certainly by STM32 Dynamic shut-off, avoids enter into long-time trickle state.
Collection output main line voltage and calculate delivery efficiency inside STM32 with original setting laboratory data contrast, when with Switching Power Supply operation irregularity is judged when laboratory data is not consistent, STM32 can " power supply be different for prompting in time in OLED display screen Often " printed words, and meeting automatic lockout switch power supply, if having repaired be able to cannot still work normally when plugging again, power supply can be again It is secondary to be turned off, power supply normal work normal until repairing completely.Avoiding power supply irregular working makes battery cause danger or right Battery produces infringement.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the utility model implements and from above-mentioned The limitation of mode, if the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or not It is improved by the present invention design and technical solution directly apply to other occasions, the scope of protection of the utility model it It is interior.

Claims (5)

1. metering switch power supply, Switching Power Supply input terminal connection power cord, the Switching Power Supply are outside through relay electronic switch Power supply, the Switching Power Supply is master control chip power supply, and the main control chip exports on-off signal to relay electronic switch, it is special Sign is that the main control chip includes:
Driving unit:On-off signal is exported to relay electronic switch;
Mode selecting unit:Determine to send the qualifications of break signal, export the qualifications of setting to break-make judging unit;
Timing unit:The time of relay electronic switch output electric energy is obtained, and time signal is delivered to break-make judging unit;
Metering units:The electricity of relay electronic switch output electric energy is obtained, and electric quantity signal is delivered to break-make judging unit;
Break-make judging unit:According to whether the qualifications for completing setting export break signal to driving unit.
2. metering switch power supply according to claim 1, it is characterised in that:Push-button unit output parameter Regulate signal is to master Control the mode selecting unit of chip.
3. metering switch power supply according to claim 1 or 2, it is characterised in that:The output terminal of the Switching Power Supply is equipped with Power supply adopts volt circuit and current detection circuit, and the power supply adopts volt circuit and current detection circuit exports sampled signal to master control core Piece.
4. metering switch power supply according to claim 3, it is characterised in that:The power supply adopts volt circuit to be connected to switch The constantan wire resistance of the output terminal of power supply, the current detection circuit use MAX4172 chips conversion current signal to believe for voltage Number it is delivered to main control chip.
5. metering switch power supply according to claim 4, it is characterised in that:The main control chip uses STM32 chips, institute Main control chip output parameter signal to display module is stated to show.
CN201721358648.1U 2017-10-20 2017-10-20 Metering switch power supply Expired - Fee Related CN207320894U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721358648.1U CN207320894U (en) 2017-10-20 2017-10-20 Metering switch power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721358648.1U CN207320894U (en) 2017-10-20 2017-10-20 Metering switch power supply

Publications (1)

Publication Number Publication Date
CN207320894U true CN207320894U (en) 2018-05-04

Family

ID=62381892

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721358648.1U Expired - Fee Related CN207320894U (en) 2017-10-20 2017-10-20 Metering switch power supply

Country Status (1)

Country Link
CN (1) CN207320894U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114076842A (en) * 2021-11-18 2022-02-22 中国电信股份有限公司 Switching power supply, electric energy metering and displaying method and device thereof, and storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114076842A (en) * 2021-11-18 2022-02-22 中国电信股份有限公司 Switching power supply, electric energy metering and displaying method and device thereof, and storage medium

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180504

Termination date: 20191020

CF01 Termination of patent right due to non-payment of annual fee