CN2932881Y - Little smart self-adapted LV remote power supply device - Google Patents
Little smart self-adapted LV remote power supply device Download PDFInfo
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- CN2932881Y CN2932881Y CN 200620084460 CN200620084460U CN2932881Y CN 2932881 Y CN2932881 Y CN 2932881Y CN 200620084460 CN200620084460 CN 200620084460 CN 200620084460 U CN200620084460 U CN 200620084460U CN 2932881 Y CN2932881 Y CN 2932881Y
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Abstract
A little smart self-adaptive low-voltage remote power device belongs to electronic technology field. The device comprises an accumulator, a conversion circuit and a control circuit, wherein the conversion circuit is connected with a local side through a multiplying circuit, and is connected with the control circuit through a photoelectric coupler; the control circuit is connected with the accumulator, and the output ends of the accumulator and the control circuit are connected with a relay; the output end of the accumulator is connected with the base station of the little smart; the conversion circuit consists of a transformer, a power switch controller, a three-terminal stabilized voltage block, a MOS field effect pipe, a three-electrode tube, a diode and a resistance-capacitance unit; the control circuit consists of a computing amplifier, a three-electrode tube, a diode and a resistance-capacitance unit, the computing amplifier is connected with the conversion circuit and the accumulator through the photoelectric coupler, and also is connected with the relay through the three-electrode tube; the accumulator is lead-acid accumulator, 1.2-2Ah, 12V*17, and is supplied not only by the local side, but also by the self-adaptive low-voltage remote power device.
Description
One, technical field
The utility model relates to a kind of self-adaptive low-voltage remote power supply device of little smart, belongs to the application of electronic technology technical field.
Two, background technology
Personal Handyphone System is the existing fixed telephone network of a kind of support, adopts cellular technology to realize the unlimited personal access system that covers, and PHS base station is that local side apparatus is powered by remote equipment.But because PHS base station power is less, thereby the PHS base station distribution is more, so the PHS base station power supply unit is had relatively high expectations.The Personal Handyphone System power supply source generally is that local side apparatus adopts high pressure output power supply by remote equipment at present, with remote power feeding and the multiplexing single line of isdn signal carries out electric energy and signal transmits respectively, thereby circuit is in high pressure conditions all the time, and the attendant causes electric shock easily, has potential safety hazard; Power delivery power is unreasonable, makes line resource be not fully utilized.
Three, summary of the invention
For overcoming the deficiencies in the prior art, it is a kind of reasonable in design, easy to manufacture, easy to use that the utility model provides, local side apparatus adopts low-voltage power supply to PHS base station, the voltage and the power of power supply had both been reduced, guaranteed the safety of line maintenance, again fully reasonable use the self-adaptive low-voltage remote power supply device of little smart of the energy.
A kind of self-adaptive low-voltage remote power supply device of little smart comprises storage battery, translation circuit and control circuit, and translation circuit is connected with the local side circuit by multiplex circuit, is connected with control circuit by photoelectrical coupler simultaneously; Control circuit is connected with storage battery, a relay in parallel between control circuit and the accumulator output end; The output of storage battery is connected with PHS base station.
Described translation circuit is made up of transformer, switch power controller, three-terminal regulator block, metal-oxide-semiconductor field effect transistor, triode, diode and resistance, appearance element, three-terminal regulator block is in parallel and be connected with the transformer secondary output coil by backward diode, three-terminal regulator block is connected with switch power controller, switch power controller is connected with transformer by metal-oxide-semiconductor field effect transistor, is connected with control circuit by photoelectrical coupler simultaneously.
Described control circuit is made up of operational amplifier, triode, diode and resistance, appearance element, and operational amplifier is connected with translation circuit by photoelectrical coupler, and is connected with storage battery, is connected with relay by triode simultaneously.
Described storage battery is: lead acid accumulator, 1.2-2 ampere-hour, 12V * 17 joints.
Described transformer EC42, switch power controller integrated circuit UC2843, three-terminal regulator block integrated circuit LM7812, metal-oxide-semiconductor field effect transistor IRF460, photoelectrical coupler PC817, relay, triode Q2 and Q3 use 2N5551 and JE182 respectively, diode D1, D2 MUR120, D3 MSR1560, D4, D5, D6, D7 and D8 HER306, D9-D15 uses 1N4148.
The method of work of self-adaptive low-voltage remote power supply device of little smart is as follows: according to PHS base station channel occupancy quantitative statistics probability, found out the power-balance point; When the channel occupancy amount is little, when promptly bearing power is less than balance point, power to the load by local side, charge to self-reacting device simultaneously; When the channel occupancy amount is big, when promptly bearing power is greater than balance point, power to the load jointly by local side and self-reacting device.
Local side: can use the power supply of AC/DC-220V/48V power module, also can adopt the 48V powered battery.Far-end: the self-adaptive low-voltage remote electric power system, the repertoire that it has the high pressure remote electric power system has the adaptive equalization function simultaneously, not only can provide uninterrupted power supply but also can afford redress, cushioning effect.It takies resource than the high pressure remote electric power system lacks, and has higher power supply reliability than common UPS again.
Four, description of drawings
Accompanying drawing is an electrical schematic diagram of the present utility model.
Five, embodiment
Embodiment: electrical schematic diagram of the present utility model comprises storage battery, translation circuit and control circuit as shown in drawings, and translation circuit is connected with the local side circuit by multiplex circuit, is connected with control circuit by photoelectrical coupler simultaneously; Control circuit is connected with storage battery, a relay in parallel between control circuit and the accumulator output end; The output of storage battery is connected with PHS base station.
Described translation circuit is made up of transformer, switch power controller, three-terminal regulator block, metal-oxide-semiconductor field effect transistor, triode, diode and resistance, appearance element, three-terminal regulator block is in parallel and be connected with the transformer secondary output coil by backward diode, three-terminal regulator block is connected with switch power controller, switch power controller is connected with transformer by metal-oxide-semiconductor field effect transistor, is connected with control circuit by photoelectrical coupler simultaneously.
Described control circuit is made up of operational amplifier, triode, diode and resistance, appearance element, and operational amplifier is connected with translation circuit by photoelectrical coupler, and is connected with storage battery, is connected with relay by triode simultaneously.
Described storage battery is: lead acid accumulator, 1.2-2 ampere-hour, 12V * 17 joints.
Described transformer EC42, switch power controller integrated circuit UC2843, three-terminal regulator block integrated circuit LM7812, metal-oxide-semiconductor field effect transistor IRF460, photoelectrical coupler PC817, relay, triode Q2 and Q3 use 2N5551 and JE182 respectively, diode D1, D2 MUR120, D3 MSR1560, D4, D5, D6, D7 and D8 HER306, D9-D15 uses 1N4148.
The method of work of self-adaptive low-voltage remote power supply device of little smart is as follows: according to PHS base station channel occupancy quantitative statistics probability, found out the power-balance point; When the channel occupancy amount is little, when promptly bearing power is less than balance point, power to the load by local side, charge to self-reacting device simultaneously; When the channel occupancy amount is big, when promptly bearing power is greater than balance point, power to the load jointly by local side and self-reacting device.
Local side: can use the power supply of AC/DC-220V/48V power module, also can adopt the 48V powered battery.
Far-end: the self-adaptive low-voltage remote electric power system, the repertoire that it has the high pressure remote electric power system has the adaptive equalization function simultaneously, not only can provide uninterrupted power supply but also can afford redress, cushioning effect.It takies resource than the high pressure remote electric power system lacks, and has higher power supply reliability than common UPS again.
Claims (5)
1, a kind of self-adaptive low-voltage remote power supply device of little smart is characterized in that, comprises storage battery, translation circuit and control circuit, and translation circuit is connected with the local side circuit by multiplex circuit, is connected with control circuit by photoelectrical coupler simultaneously; Control circuit is connected with storage battery, a relay in parallel between control circuit and the accumulator output end; The output of storage battery is connected with PHS base station.
2, self-adaptive low-voltage remote power supply device of little smart as claimed in claim 1, it is characterized in that, described translation circuit is made up of transformer, switch power controller, three-terminal regulator block, metal-oxide-semiconductor field effect transistor, triode, diode and resistance, appearance element, three-terminal regulator block is in parallel and be connected with the transformer secondary output coil by backward diode, three-terminal regulator block is connected with switch power controller, switch power controller is connected with transformer by metal-oxide-semiconductor field effect transistor, is connected with control circuit by photoelectrical coupler simultaneously.
3, self-adaptive low-voltage remote power supply device of little smart as claimed in claim 1, it is characterized in that, described control circuit is made up of operational amplifier, triode, diode and resistance, appearance element, operational amplifier is connected with translation circuit by photoelectrical coupler, and be connected with storage battery, be connected with relay by triode simultaneously.
4, self-adaptive low-voltage remote power supply device of little smart as claimed in claim 1 is characterized in that, described storage battery is: lead acid accumulator, 1.2-2 ampere-hour, 12V * 17 joints.
5, self-adaptive low-voltage remote power supply device of little smart as claimed in claim 2, it is characterized in that, described transformer EC42, switch power controller integrated circuit UC2843, three-terminal regulator block integrated circuit LM7812, metal-oxide-semiconductor field effect transistor IRF460, photoelectrical coupler PC817, relay, triode (Q2) and (Q3) use 2N5551 and JE182, diode (D1) respectively, (D2) use MUR120, diode (D3) is used MSR1560, diode (D4), (D5), (D6), (D7) and (D8) use HER306, diode (D9)-(D15) is all used 1N4148.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620084460 CN2932881Y (en) | 2006-05-19 | 2006-05-19 | Little smart self-adapted LV remote power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620084460 CN2932881Y (en) | 2006-05-19 | 2006-05-19 | Little smart self-adapted LV remote power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2932881Y true CN2932881Y (en) | 2007-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620084460 Expired - Fee Related CN2932881Y (en) | 2006-05-19 | 2006-05-19 | Little smart self-adapted LV remote power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2932881Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1845613B (en) * | 2006-05-19 | 2010-07-14 | 张旭 | Self-adaptive low-voltage remote power supply device of little smart and its working method |
-
2006
- 2006-05-19 CN CN 200620084460 patent/CN2932881Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1845613B (en) * | 2006-05-19 | 2010-07-14 | 张旭 | Self-adaptive low-voltage remote power supply device of little smart and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070808 Termination date: 20100519 |