CN205141781U - Portable distribution communication terminal maintains power - Google Patents
Portable distribution communication terminal maintains power Download PDFInfo
- Publication number
- CN205141781U CN205141781U CN201520796642.7U CN201520796642U CN205141781U CN 205141781 U CN205141781 U CN 205141781U CN 201520796642 U CN201520796642 U CN 201520796642U CN 205141781 U CN205141781 U CN 205141781U
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- China
- Prior art keywords
- direct current
- current output
- communication terminal
- acquisition module
- power supply
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- 238000004891 communication Methods 0.000 title claims abstract description 30
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 52
- 229920000642 polymer Polymers 0.000 claims abstract description 30
- 230000000875 corresponding Effects 0.000 claims description 3
- 230000017105 transposition Effects 0.000 abstract 1
- 239000002253 acid Substances 0.000 description 11
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000001665 lethal Effects 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002441 reversible Effects 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Abstract
The utility model discloses a portable distribution communication terminal maintains power, include display instrument, charge indicator L1, direct current output pilot lamp L2, direct current output fast interface, prevent short circuit direct current output power line, NULL fuse FU1, direct current output fuse FU2, direct current output switch S2, lithium polymer battery GB, lithium cell intelligent charging management module, NULL interface, charging switch S1. The utility model discloses possess smallly, light in weight's advantage has surplus power supply time dynamic display function simultaneously, the direct current output high -speed joint, possesses functions such as preventing the transposition.
Description
Technical field
The utility model relates to a kind of supply unit, particularly relates to a kind of portable power distribution communication terminal and safeguards power supply, belong to electrical equipment technical field.
Background technology
EPON equipment and industrial ethernet switch realize switchyard distribution terminal and ring main unit distribution terminal (DTU equipment) in current system for distribution network of power automation (power distribution automation network) system, and on-pole switch distribution terminal (ONU equipment and OLT device) data upload, long-haul telemetry, Remote key equipment.Thering is provided debugging to the said equipment and safeguard that the mode of power supply mainly contains three kinds: one is at present that the low capacity lead acid accumulator carried in employing equipment is powered; Two is powered by the method for interim external batteries; Three is that external AC 220 V power supply is converted to direct current output power supply by power rectifying equipment again.
The Installation and Debugging of existing distribution automation terminal communication equipment with safeguard that the weak point of supply power mode is as follows:
Adopt the low capacity lead-acid battery of the 6Ah (Ah: ampere-hour) carried in distribution terminal equipment, first capacity is less; Secondly above-mentioned distribution terminal equipment mostly is outwork environment, metal cabinet is for a long time by high light direct projection (on-pole switch equipment is particularly evident), summer cabinet internal temperature generally higher than 60 DEG C, this will have a strong impact on the useful life of lead acid accumulator, make originally to have a greatly reduced quality again with regard to battery capacity less than normal, when equipment electric power system breaks down, the requirement of temporary power during this lead acid accumulator can not meet maintenance completely.In addition, high temperature also can cause lead acid accumulator electrolyte inside to volatilize, and well-known sour gas has lethal damage to electronic equipment, very easily causes electronic component and circuit board corrosion and causes equipment scrapping.
Though adopt external temporary accumulator cell group to power can meet power demands, because bulky too heaviness is unfavorable for carrying.And in storage battery, how many electricity and surplus depositing of battery capacity cannot judge, are difficult to carry out effective management and control to construction schedule node.Have the situation connecing damage equipment on the contrary because of both positive and negative polarity to occur when temporary accumulator cell group is connected with communication equipment, and whole wiring process is all hot line job, and be just short-circuited accident unless you give your whole attention to it.Temporary accumulator cell group pole is outside exposed, and putting together to be easily short-circuited with other instrument in engineering truck (existing instrument is mostly metallic article) causes the danger such as fire or blast, also brings a lot of inconvenience to transport.
External gasoline engine generator provides AC power, there is cost high, operation have certain risk, electrical power distribution automatization system construct on a large scale debugging and safeguard time, the gasoline engine generator quantity that can provide is very limited, can not meet the needs that many cover power distribution communication terminal equipments are debugged simultaneously and safeguarded.
Therefore, develop a kind of portable power distribution communication terminal and safeguard power supply, meet power supply needed for the installation of distribution automation terminal communication equipment, debugging, maintenance significant.
Utility model content
The purpose of this utility model is to provide a kind of portable power distribution communication terminal to safeguard power supply, meets power supply needed for the installation of distribution automation terminal communication equipment, debugging, maintenance.
The purpose of this utility model is achieved by the following technical programs:
Power supply safeguarded by a kind of portable power distribution communication terminal, comprises Displaying Meter 1, charging indicator light L1, direct current output indicator L2, direct current output fast interface 2, against short-circuit DC output power line 3, interchange input fuse FU1, direct current output fuse FU2, direct current output switch S2, lithium polymer battery GB, lithium battery intelligent charge management module 4, exchanges input interface 5, charge switch S1;
Described Displaying Meter 1 comprises single-chip microcomputer 6, voltage acquisition module 7, current acquisition module 8, LCDs 9, and described voltage acquisition module 7, current acquisition module 8, LCDs 9 are connected with single-chip microcomputer 6;
AC220V AC power L holds through exchanging input fuse FU1, an AC port of lithium battery intelligent charge management module 4 is connect after charge switch S1, another AC port of AC220V AC power N termination lithium battery intelligent charge management module 4, described charging indicator light L1 is connected between two AC port of lithium battery intelligent charge management module 4, described lithium polymer battery GB is connected between two DC port of lithium battery intelligent charge management module 4, the positive pole of 1 termination lithium polymer battery GB of the normally opened contact of described direct current output switch S2, one end of 2 termination direct current output indicator L2 of the normally opened contact of described direct current output switch S2, the negative pole of another termination lithium polymer battery GB of direct current output indicator L2, the input of described current acquisition module 8 is connected between 2 ends of the negative pole of lithium polymer battery GB and the normally opened contact of direct current output switch S2,2 ends of the normally opened contact of one termination direct current output switch S2 of described current acquisition module 8, the other end of current acquisition module 8 exports after fuse FU2 through direct current and exports the conductive pin positive pole that direct current exports fast interface 2 to, the negative pole of described lithium polymer battery GB exports the conductive pin negative pole that direct current exports fast interface 2 to, described against short-circuit DC output power line 3 exports fast interface 2 grafting with direct current.
The purpose of this utility model can also be realized further by following technical measures:
Aforementioned portable power distribution communication terminal maintenance power supply, wherein the model of lithium battery intelligent charge management module 4 is HJ-2403J2L.
Aforementioned portable power distribution communication terminal maintenance power supply, wherein direct current exports fast interface 2 and establishes an anti-reverse convex key 10, and an anti-reverse detent 11 is established in the position that termination and the direct current of against short-circuit DC output power line 3 export the anti-reverse convex key 10 of fast interface 2 corresponding.
Aforementioned portable power distribution communication terminal maintenance power supply, wherein anti-reverse convex key 10, anti-reverse detent 11 are arc.
Aforementioned portable power distribution communication terminal maintenance power supply, wherein anti-reverse convex key 10, anti-reverse detent 11 are rectangle.
Compared with prior art, the beneficial effects of the utility model are: it is little that the utility model possesses volume, lightweight advantage, provide the hardware circuit of power supply residue power-on time Displaying Meter, direct current output connects fast, possesses the functions such as anti-reverse, adopts lithium battery intelligent charge management module, for carrying out constant current charge to lithium polymer battery, and automatically close after charging complete, accomplish that unattended intelligent charges.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model;
Fig. 2 is that direct current of the present utility model exports fast interface structure chart;
Fig. 3 is the utility model against short-circuit DC output power line cap structure chart.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, power supply safeguarded by portable power distribution communication terminal, comprise Displaying Meter 1, charging indicator light L1, direct current output indicator L2, direct current output fast interface 2, against short-circuit DC output power line 3, exchange input fuse FU1, direct current output fuse FU2, direct current output switch S2, lithium polymer battery GB, lithium battery intelligent charge management module 4, interchange input interface 5, charge switch S1, lithium battery intelligent charge management module 4 model is HJ-2403J2L.
Described Displaying Meter 1 comprises single-chip microcomputer 6, voltage acquisition module 7, current acquisition module 8, LCDs 9, and described voltage acquisition module 7, current acquisition module 8, LCDs 9 are connected with single-chip microcomputer 6.
AC220V AC power L holds through exchanging input fuse FU1, an AC port of lithium battery intelligent charge management module 4 is connect after charge switch S1, another AC port of AC220V AC power N termination lithium battery intelligent charge management module 4, described charging indicator light L1 is connected between two AC port of lithium battery intelligent charge management module 4, described lithium polymer battery GB is connected between two DC port of lithium battery intelligent charge management module 4, the positive pole of 1 termination lithium polymer battery GB of the normally opened contact of described direct current output switch S2, one end of 2 termination direct current output indicator L2 of the normally opened contact of described direct current output switch S2, the negative pole of another termination lithium polymer battery GB of direct current output indicator L2, the input of described current acquisition module 8 is connected between 2 ends of the negative pole of lithium polymer battery GB and the normally opened contact of direct current output switch S2,2 ends of the normally opened contact of one termination direct current output switch S2 of described current acquisition module 8, the other end of current acquisition module 8 exports after fuse FU2 through direct current and exports the conductive pin positive pole that direct current exports fast interface 2 to, the negative pole of described lithium polymer battery GB exports the conductive pin negative pole that direct current exports fast interface 2 to, described against short-circuit DC output power line 3 exports fast interface 2 grafting with direct current.That direct current of the present utility model exports fast interface structure chart as shown in Figure 2; The utility model against short-circuit DC output power line cap structure chart as shown in Figure 3.Direct current exports fast interface 2 and establishes the anti-reverse convex key 10 of an arc, and termination and the direct current of against short-circuit DC output power line 3 export the anti-reverse detent 11 that an arc is established in position corresponding to the anti-reverse convex key 10 of fast interface 2.After convex key and detent are set, when against short-circuit DC output power line 3 and direct current export fast interface 2 grafting, avoid reversal connection situation.
When portable power distribution communication terminal safeguards that power supply carries out charging operations, open charge switch, portable power distribution communication terminal safeguards that the charging indicator light of power supply can light (for red during charging, green is become) after battery charging complete, after lithium polymer battery electricity is full of, lithium battery intelligent charge management module can stop charging (charging stops electric current < 300mA) automatically, charge closing switch after charging complete.Portable power distribution communication terminal safeguards that power acquisition lithium polymer battery is as electrical energy storage device, does not need to safeguard that power supply charges to portable power distribution communication terminal again after electricity exhausts, and electricity exhausts completely will affect lithium polymer battery useful life.
During discharge operation, against short-circuit DC output power line and direct current are exported fast interface grafting, open direct current output switch, direct current output indicator lights.Now Displaying Meter show simultaneously the current lithium polymer battery socking out time (the socking out time along with power output change and Dynamic Announce) facilitate staff to the control of operating time.For conventional EPON equipment and industrial ethernet switch (10W-15W), the sustainable power supply of power supply 35 to 23 hours safeguarded by portable power distribution communication terminal, meets communication equipment completely and safeguards the demand with debugging.The voltage measuring value of described voltage acquisition module, current acquisition module acquires, current measurement value input single-chip microcomputer, single-chip microcomputer calculates the socking out time and exports LCDs display to.Avoid the bad judgement of temporary accumulator cell group real surplus capacity in the past, the drawback such as cannot to determine remaining time, solve the difficult problem that construction schedule node difficulty is controlled.
It is main material with aluminium alloy extrusions that portable power distribution communication terminal safeguards that power supply body structure portion uses, thus carry with transportation in more light firm so that carry.
This device adopts lithium polymer battery, and lithium polymer battery is compared lead-acid battery tool and had the following advantages:
1. bulking value is light and handy: the battery pack of same size, lithium polymer battery volume mass is only about 1/3 of lead-acid battery, alleviate the working strength of transport and carrying work greatly, portable power distribution communication terminal is safeguarded, and power supply is more conducive to outdoor installation debugging and upkeep operation.
2. extra long life: the cycle life of long-life lead-acid battery is at about 300 times, the highest also with regard to 500 times, and lithium polymer battery, cycle life reaches more than 2000 times, considers, and the ratio of performance to price is more than 4 times of lead-acid battery.
3. use safety: lithium polymer battery completely solves the security hidden trouble of traditional lead acid batteries, under the extreme test environment of 75 DEG C, also can not produce any corrosivity volatilization gas, effectively avoid the infringement that the sour gas that volatilizees in high temperature environments because of lead acid accumulator causes electronic equipment.
4. can big current fast charging and discharging.
The utility model adopts lithium battery intelligent charge management module, for carrying out constant current charge to lithium polymer battery, and automatically closing after charging complete, accomplishing that unattended intelligent charges.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (5)
1. power supply safeguarded by a portable power distribution communication terminal, it is characterized in that, comprise Displaying Meter (1), charging indicator light L1, direct current output indicator L2, direct current output fast interface (2), against short-circuit DC output power line (3), interchange input fuse FU1, direct current output fuse FU2, direct current output switch S2, lithium polymer battery GB, lithium battery intelligent charge management module (4), exchange input interface (5), charge switch S1;
Described Displaying Meter (1) comprises single-chip microcomputer (6), voltage acquisition module (7), current acquisition module (8), LCDs (9), and described voltage acquisition module (7), current acquisition module (8), LCDs (9) are connected with single-chip microcomputer (6);
AC220V AC power L holds through exchanging input fuse FU1, an AC port of lithium battery intelligent charge management module (4) is connect after charge switch S1, another AC port of AC220V AC power N termination lithium battery intelligent charge management module (4), described charging indicator light L1 is connected between two AC port of lithium battery intelligent charge management module (4), described lithium polymer battery GB is connected between two DC port of lithium battery intelligent charge management module (4), the positive pole of 1 termination lithium polymer battery GB of the normally opened contact of described direct current output switch S2, one end of 2 termination direct current output indicator L2 of the normally opened contact of described direct current output switch S2, the negative pole of another termination lithium polymer battery GB of direct current output indicator L2, the input of described current acquisition module (8) is connected between 2 ends of the negative pole of lithium polymer battery GB and the normally opened contact of direct current output switch S2,2 ends of the normally opened contact of one termination direct current output switch S2 of described current acquisition module (8), the other end of current acquisition module (8) exports after fuse FU2 through direct current and exports the conductive jack positive pole that direct current exports fast interface (2) to, the negative pole of described lithium polymer battery GB exports the conductive jack negative pole that direct current exports fast interface (2) to.
2. power supply safeguarded by portable power distribution communication terminal as claimed in claim 1, and it is characterized in that, the model of described lithium battery intelligent charge management module (4) is HJ-2403J2L.
3. power supply safeguarded by portable power distribution communication terminal as claimed in claim 1, it is characterized in that, described direct current exports fast interface (2) and establishes an anti-reverse convex key (10), and an anti-reverse detent (11) is established in the position that termination and the direct current of against short-circuit DC output power line (3) export the anti-reverse convex key (10) of fast interface (2) corresponding.
4. power supply safeguarded by portable power distribution communication terminal as claimed in claim 3, and it is characterized in that, described anti-reverse convex key (10), anti-reverse detent (11) are arc.
5. power supply safeguarded by portable power distribution communication terminal as claimed in claim 3, and it is characterized in that, described anti-reverse convex key (10), anti-reverse detent (11) are rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796642.7U CN205141781U (en) | 2015-10-15 | 2015-10-15 | Portable distribution communication terminal maintains power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796642.7U CN205141781U (en) | 2015-10-15 | 2015-10-15 | Portable distribution communication terminal maintains power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205141781U true CN205141781U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520796642.7U Expired - Fee Related CN205141781U (en) | 2015-10-15 | 2015-10-15 | Portable distribution communication terminal maintains power |
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| Country | Link |
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| CN (1) | CN205141781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207327A (en) * | 2015-10-15 | 2015-12-30 | 江苏省电力公司镇江供电公司 | Portable power distribution communication terminal maintaining power source and electric quantity displaying method |
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2015
- 2015-10-15 CN CN201520796642.7U patent/CN205141781U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207327A (en) * | 2015-10-15 | 2015-12-30 | 江苏省电力公司镇江供电公司 | Portable power distribution communication terminal maintaining power source and electric quantity displaying method |
| CN105207327B (en) * | 2015-10-15 | 2017-07-11 | 江苏省电力公司镇江供电公司 | Portable power distribution communication terminal safeguards power supply and electric quantity display method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161015 |