CN203632552U - Portable intelligent monitoring power supply - Google Patents
Portable intelligent monitoring power supply Download PDFInfo
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- CN203632552U CN203632552U CN201320881340.0U CN201320881340U CN203632552U CN 203632552 U CN203632552 U CN 203632552U CN 201320881340 U CN201320881340 U CN 201320881340U CN 203632552 U CN203632552 U CN 203632552U
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- filtering
- frequency transformer
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Abstract
A portable intelligent monitoring power supply. A conventional switching power supply does not have a monitoring function and is inconvenient to timely monitor the operation state of a power suppl. The portable intelligent monitoring power supply provided by the utility model comprises 220V alternating current input (1), a rectifying and filtering circuit (2), an RCD clamping circuit (3), a high-frequency transformer (4), three-path direct current output with filtering (5), a PWM controlling and driving circuit with feedback adjustment (6), a voltage-dividing sampling circuit (7), an over-current protection circuit (8), a PIC controller (9), an optoelectronic coupler (10) and an LCD display screen (11). The rectifying and filtering circuit (2) is connected with the 220V alternating current input (1) and the RCD clamping circuit (3); the RCD clamping circuit (3) is connected with the high-frequency transformer (4); the high-frequency transformer (4) is connected with the three-path direct current output with filtering (5); the three-path direct current output with filtering (5) is respectively connected with the PWM controlling and driving circuit with feedback adjustment (6), the voltage-dividing sampling circuit (7) and the over-current protection circuit (8); the PWM controlling and driving circuit with feedback adjustment (6) is connected with the high-frequency transformer (4); the over-current protection circuit (8) is connected with the PIC controller (9); the PIC controller (9) is connected with the voltage-dividing sampling circuit (7), the optoelectronic coupler (10) and the LCD display screen (11); and the optoelectronic coupler (10) is connected with the 220V alternating current input (1). The portable intelligent monitoring power supply is used for power supply monitoring.
Description
technical field:
the utility model relates to a kind of portable intelligent monitoring power supply.
background technology:
existing Switching Power Supply has that volume is little, lightweight, efficiency advantages of higher, but known according to existing document, high frequency transformer method for designing is perfect not, and rarely has monitoring function, is not easy to the running status of user's Real-Time Monitoring power supply.
utility model content:
the purpose of this utility model is to provide a kind of portable intelligent monitoring power supply.
above-mentioned object realizes by following technical scheme:
a kind of portable intelligent monitoring power supply, its composition comprises: exchange with 220V the current rectifying and wave filtering circuit that input is connected, described current rectifying and wave filtering circuit is connected with RCD clamp circuit, described RCD clamp circuit is connected with high frequency transformer, described high frequency transformer is connected with the direct current output of band filtering San road, described controls and drive circuit with the PWM with feedback regulation respectively with the output of filtering San road direct current, pressure sampling circuit, current foldback circuit connects, described PWM control and drive circuit are connected with described high frequency transformer, described current foldback circuit is connected with PIC controller, described PIC controller respectively with described pressure sampling circuit, connect the photoelectrical coupler that described 220V exchanges input, LCD display connects.
described portable intelligent monitoring power supply, described LCD display adopts LCD12864, and described PIC controller carries A/D modular converter.
beneficial effect:
1. the utility model combines Saber and Proteus simulation software carries out emulation to power circuit and display circuit respectively, according to simulation result correction design, is convenient to later stage hardware circuit and realizes; High frequency transformer method for designing of the present utility model is perfect, completes electric power main circuit, high frequency transformer, clamp circuit, control circuit, output filter circuit, and the design of testing circuit and output display circuit; The utility model is exported three tunnels and has the voltage of isolation features, and can Real-Time Monitoring display power supply operation conditions; The utility model volume is little, and cost is low, easy to carry and use.
2. the utility model is, by built-in microcontroller chip, power information is carried out to Real-Time Monitoring, collection, demonstrates the running status of this power supply after computing, processing, analysis clear and intuitively, and electric energy is realized to intelligent control.In actual Power supply occasion, to monitor and realize intelligentized management and control with electricity condition, be the effective solution of saving and rationally utilize electric energy.The utility model outstanding feature is the design that whole design process has comprised software and hardware, each several part all adopted corresponding software to carry out emulation, analysis, checking to it before building hardware circuit, and then design a intelligent switch power source that meets Specifications requirement, can extend to industrial automatic control, electric power, scientific research, communication, instrument and meter, medical treatment, safety monitoring, the fields such as digital product.
3. the monitoring method of this portable intelligent monitoring power supply is as follows: current-control type pulse width modulating chip driving switch pipe, take reverse exciting topological structure as power supply main body, is selected in power supply main body loop, through high frequency transformer coupling, and then output 3 road direct voltages; Testing circuit is sampled to input ac voltage, electric current by photoelectrical coupler, output low-pressure side detects 3 road voltages by electric resistance partial pressure method, select the single-chip microcomputer PIC that carries A/D modular converter to carry out computing, processing to sampled signal, and by input voltage, input current, input power, output voltage, output current, power output, the efficiency parameters of LCD12864 display power supply; Then, adopt Saber, Proteus software respectively emulation to be carried out in power supply main body loop and observation circuit, known after the output of observation circuit and LCD demonstration result, 3 be respectively+5V of road direct voltage output ,+12V ,-15V, and LCD demonstration result is consistent with 3 road Output rusults, confirm the accuracy of this device; Finally, by building hardware circuit and test, confirmed the feasibility of this device;
the monitoring method of described portable intelligent monitoring power supply, main circuit adopts the inverse-excitation type structure with isolating transformer, drive high-frequency pulse transformer by unidirectional the going of switch unit's device, when switching tube conducting and while driving the former limit of high-frequency pulse transformer, not powering load of transformer secondary, in the time that power switch pipe turn-offs, the energy of storage discharges to load end by isolating transformer or inductance, in the time of switching tube conducting next time, just stop providing energy to load-side;
the monitoring method of described portable intelligent monitoring power supply, the sampling of input voltage, electric current is sampled by detecting resistance, and by photoelectrical coupler, it is isolated; Output voltage carries out dividing potential drop sampling by resistance to it, and output current is sampled by the form that converts voltage to; Signal after detection is given respectively the A/D conversion port of single-chip microcomputer, through the calculation process of single-chip microcomputer, and by LCD12864 display screen, the running status of this power supply is carried out to the real-time demonstration that refreshes; Current sample testing circuit, in the time that 4～20mA electric current flows through 100 Europe sampling resistor R1, produces the voltage difference of 0.4～2V at the two ends of R1,,
the monitoring method of described portable intelligent monitoring power supply, system boot enters init state, the setting and the initialization that comprise the parameter of using in definition, the program to each I/O mouth; After the initialization of single-chip microcomputer finishes, enter the initialization of module, the initialization that comprises A/D modular converter and LCD12864 liquid crystal; After initialization finishes, system is opened A/D module converts the voltage of each sampled point is carried out to data sampling, and sampled result is carried out to digital filtering, and filtering data after treatment are given liquid crystal and are shown through computing, processing, and program is got back to again the state after initialization after having moved once.
accompanying drawing explanation:
accompanying drawing 1 is structural representation of the present utility model.
accompanying drawing 2 is circuit theory diagrams of supply unit governor circuit of the present utility model.
accompanying drawing 3 is main program flow charts of the present utility model.
accompanying drawing 4 is circuit theory diagrams of current sample testing circuit of the present utility model.
embodiment:
embodiment 1:
a kind of portable intelligent monitoring power supply, its composition comprises: exchange input 1 current rectifying and wave filtering circuit being connected 2 with 220V, described current rectifying and wave filtering circuit is connected with RCD clamp circuit 3, described RCD clamp circuit is connected with high frequency transformer 4, described high frequency transformer is connected with band filtering San road direct current output 5, described controls and drive circuit 6 with the PWM with feedback regulation respectively with the output of filtering San road direct current, pressure sampling circuit 7, current foldback circuit 8 connects, described PWM control and drive circuit are connected with described high frequency transformer, described current foldback circuit is connected with PIC controller 9, described PIC controller respectively with described pressure sampling circuit, connect the photoelectrical coupler 10 that described 220V exchanges input, LCD display 11 connects.
embodiment 2:
according to the portable intelligent monitoring power supply described in embodiment 1, described LCD display adopts LCD12864, and described PIC controller carries A/D modular converter.
Claims (2)
1. a portable intelligent monitoring power supply, its composition comprises: exchange with 220V the current rectifying and wave filtering circuit that input is connected, it is characterized in that: described current rectifying and wave filtering circuit is connected with RCD clamp circuit, described RCD clamp circuit is connected with high frequency transformer, described high frequency transformer is connected with the direct current output of band filtering San road, described controls and drive circuit with the PWM with feedback regulation respectively with the output of filtering San road direct current, pressure sampling circuit, current foldback circuit connects, described PWM control and drive circuit are connected with described high frequency transformer, described current foldback circuit is connected with PIC controller, described PIC controller respectively with described pressure sampling circuit, connect the photoelectrical coupler that described 220V exchanges input, LCD display connects.
2. portable intelligent monitoring power supply according to claim 1, is characterized in that: described LCD display adopts LCD12864, and described PIC controller carries A/D modular converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881340.0U CN203632552U (en) | 2013-12-30 | 2013-12-30 | Portable intelligent monitoring power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881340.0U CN203632552U (en) | 2013-12-30 | 2013-12-30 | Portable intelligent monitoring power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632552U true CN203632552U (en) | 2014-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881340.0U Expired - Fee Related CN203632552U (en) | 2013-12-30 | 2013-12-30 | Portable intelligent monitoring power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203632552U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647455A (en) * | 2013-12-30 | 2014-03-19 | 黑龙江大学 | Portable intelligent monitoring power supply and monitoring method |
| CN104467463A (en) * | 2014-11-26 | 2015-03-25 | 四川天启智源科技有限公司 | Intelligent building management system |
-
2013
- 2013-12-30 CN CN201320881340.0U patent/CN203632552U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647455A (en) * | 2013-12-30 | 2014-03-19 | 黑龙江大学 | Portable intelligent monitoring power supply and monitoring method |
| CN104467463A (en) * | 2014-11-26 | 2015-03-25 | 四川天启智源科技有限公司 | Intelligent building management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |