CN1845613B - Self-adaptive low-voltage remote power supply device of little smart and its working method - Google Patents
Self-adaptive low-voltage remote power supply device of little smart and its working method Download PDFInfo
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- CN1845613B CN1845613B CN2006100439940A CN200610043994A CN1845613B CN 1845613 B CN1845613 B CN 1845613B CN 2006100439940 A CN2006100439940 A CN 2006100439940A CN 200610043994 A CN200610043994 A CN 200610043994A CN 1845613 B CN1845613 B CN 1845613B
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Abstract
The invention comprises an accumulator with output end connected to the base station of little smart wireless city phone, a conversion circuit connected to local side and the control circuit by a multiplexer and a photocoupler respectively, which comprises a transformer, a switch source controller, a tri-end voltage stabilizing block, a MOSFET, a triode, a diode, and resistance and capacitor element; and a control circuit connected to the accumulator, which comprises an operational amplifier, a triode, a diode, and resistance and capacitor element. Wherein, it parallels a relay between the control circuit and the lead-acid accumulator (1.2-2A/h, 12V*17).
Description
One, technical field
The present invention relates to a kind of self-adaptive low-voltage remote power supply device of little smart and method of work thereof, belong 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, the invention provides a kind of reasonable in design, easy to manufacture, easy to use, 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 and the method for work thereof 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:
(1) according to PHS base station channel occupancy quantitative statistics probability, found out the power-balance point;
(2) when the channel occupancy amount little, when promptly bearing power is less than balance point, power to the load by local side, charge simultaneously to self-reacting device;
(3) when the channel occupancy amount 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.Summarize to get up it following advantage arranged:
1) power supply distance prolongs.Can make far-end add buffering owing to introduce the adaptive equalization mode, thereby peak current is lower, can prolong power supply distance.
2) it is energy-conservation to regulate power resources automatically.The bearing power of PHS base station is at random, and it determines according to its telephone traffic, is the charging of self-adapted remote electric supply installation, then utilizes confession far away and self-adapted remote electric supply installation to power together when busy and far supply adaptive equalization can utilize Remote Power Supply when the spare time.
3) line upkeep safety.Because the adding of adaptive equalization can make the remote power feeding voltage and current of PHS base station remain on optimum Working, the circuit transmission voltage is lower than 140V, and voltage to earth is to the maximum ± 70V, meets safety standard.
4) to take resource few for local side.Because the introducing of adaptive equalization can make local side avoid the trouble of some increase-volumes.
Four, description of drawings
Accompanying drawing is an electrical schematic diagram of the present invention.
Five, embodiment
Embodiment: electrical schematic diagram of the present invention 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:
(1) according to PHS base station channel occupancy quantitative statistics probability, found out the power-balance point;
(2) when the channel occupancy amount little, when promptly bearing power is less than balance point, power to the load by local side, charge simultaneously to self-reacting device;
(3) when the channel occupancy amount 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.Summarize to get up it following advantage arranged:
1) power supply distance prolongs.Can make far-end add buffering owing to introduce the adaptive equalization mode, thereby peak current is lower, can prolong power supply distance.
2) it is energy-conservation to regulate power resources automatically.The bearing power of PHS base station is at random, and it determines according to its telephone traffic, is the charging of self-adapted remote electric supply installation, then utilizes confession far away and self-adapted remote electric supply installation to power together when busy and far supply adaptive equalization can utilize Remote Power Supply when the spare time.
3) line upkeep safety.Because the adding of adaptive equalization can make the remote power feeding voltage and current of PHS base station remain on optimum Working, the circuit transmission voltage is lower than 140V, and voltage to earth is to the maximum ± 70V, meets safety standard.
4) to take resource few for local side.Because the introducing of adaptive equalization can make local side avoid the trouble of some increase-volumes.
Claims (3)
1. a 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; 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.
2. 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, 12Vx17 joint.
3. the method for work of the described self-adaptive low-voltage remote power supply device of little smart of claim 1 is characterized in that, concrete method of work is as follows:
(1) according to PHS base station channel occupancy quantitative statistics probability, found out the power-balance point;
(2) when the channel occupancy amount little, when promptly bearing power is less than balance point, power to the load by local side, charge simultaneously to self-reacting device;
(3) when the channel occupancy amount big, when promptly bearing power is greater than balance point, power to the load jointly by local side and self-reacting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100439940A CN1845613B (en) | 2006-05-19 | 2006-05-19 | Self-adaptive low-voltage remote power supply device of little smart and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100439940A CN1845613B (en) | 2006-05-19 | 2006-05-19 | Self-adaptive low-voltage remote power supply device of little smart and its working method |
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| Publication Number | Publication Date |
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| CN1845613A CN1845613A (en) | 2006-10-11 |
| CN1845613B true CN1845613B (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100439940A Expired - Fee Related CN1845613B (en) | 2006-05-19 | 2006-05-19 | Self-adaptive low-voltage remote power supply device of little smart and its working method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102694658A (en) * | 2012-05-15 | 2012-09-26 | 兰州大学 | System and method for direct-current remote power supply |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5987338A (en) * | 1997-02-19 | 1999-11-16 | At&T Wireless Services | Remote wireless unit having reduced power operating mode |
| WO2005060287A1 (en) * | 2003-12-19 | 2005-06-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive power management for a nod of a mobile telecommunications network |
| CN2768352Y (en) * | 2005-01-27 | 2006-03-29 | 苏州市天帆达通信电源制造有限公司 | PHS base station remote power supply device |
| CN1770890A (en) * | 2004-11-01 | 2006-05-10 | 蒋中为 | Little smart base station power supply circuit |
| CN2932881Y (en) * | 2006-05-19 | 2007-08-08 | 张旭 | Little smart self-adapted LV remote power supply device |
-
2006
- 2006-05-19 CN CN2006100439940A patent/CN1845613B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5987338A (en) * | 1997-02-19 | 1999-11-16 | At&T Wireless Services | Remote wireless unit having reduced power operating mode |
| WO2005060287A1 (en) * | 2003-12-19 | 2005-06-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive power management for a nod of a mobile telecommunications network |
| CN1770890A (en) * | 2004-11-01 | 2006-05-10 | 蒋中为 | Little smart base station power supply circuit |
| CN2768352Y (en) * | 2005-01-27 | 2006-03-29 | 苏州市天帆达通信电源制造有限公司 | PHS base station remote power supply device |
| CN2932881Y (en) * | 2006-05-19 | 2007-08-08 | 张旭 | Little smart self-adapted LV remote power supply device |
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| CN1845613A (en) | 2006-10-11 |
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Granted publication date: 20100714 Termination date: 20120519 |