CN201018294Y - Mine lamp charging rack - Google Patents
Mine lamp charging rack Download PDFInfo
- Publication number
- CN201018294Y CN201018294Y CNU2006200471994U CN200620047199U CN201018294Y CN 201018294 Y CN201018294 Y CN 201018294Y CN U2006200471994 U CNU2006200471994 U CN U2006200471994U CN 200620047199 U CN200620047199 U CN 200620047199U CN 201018294 Y CN201018294 Y CN 201018294Y
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Abstract
The utility model relates to a lamp-charging rack for mine lamps, which comprises a rack, a DC switch voltage stabilizing power source and a controller and is characterized in that the DC switch voltage stabilizing power source and the controller of the lamp-charging rack comprises a reference voltage circuit (1), a battery quality determination circuit (2), a charging state determination and control circuit (3) and a constant current control circuit (4). Wherein, a signal detected out by the battery quality determination is compared with the reference voltage circuit. As the battery voltage is lower than a set value, a U2 output signal of the battery quality determination circuit (2) is converted to switch off a charging circuit. The lamp-charging rack for mine lamps has quite high performance-to-price ratio and brings certain economic benefits as upgraded products of prior lamp-charging racks for mine lamps.
Description
Technical field
The utility model relates to a kind of coal mine's cap-lamp charging rack.
Background technology
Charging rack is the equipment that a kind of miner light storage battery charges.
At present, in most of collieries employed charging rack still be the 60 to 70's of last century designed, its major loop adopts transformer to add the structure of silicon rectifier, and have more disadvantage: voltage fluctuates, changes with rechargeable battery quantity with voltage ripple of power network.
When electrical network had a power failure suddenly, the battery that charges on frame can be ganged up discharge mutually in addition, and the performance and life-span of battery all brought bad consequence.
Therefore clear and definite regulation all in the operational procedure of in the past mine lamp operation instructions and lamp house: should twist lamp holder to counter-clockwise direction during outage, in time disconnect charging circuit, charge normal and avoid battery undermined at once with the assurance battery.
In addition, because the particularity of using substantially all is not add sour liquid feeding when miner light storage battery is transported to the colliery, need before use these miner light storage batteries to be carried out initial charge.Initial charge requires constant current to fill 48 ∽ 72 hours, will accomplish that on existing charging rack constant current value in accordance with regulations carries out initial charge, must constantly adjust transformer and just can make electric current keep constant substantially according to the variation of charge indicator indicator current.
The quality of initial charge is for confidential relation is arranged its later useful life.Obvious existing lamp-charging rack can't address the above problem.This novel battery of lithium battery more and more is subjected to miner's welcome in the colliery in addition, and existing charging rack can not be used for lithium battery is charged.
Therefore the utility model utility model is a kind of can charge to common lead-acid battery, can charge to lithium battery again, has the charging rack of above-mentioned functions simultaneously, and current colliery presses for.
The utility model content
The purpose of this utility model is to provide a kind of brand-new lamp-charging rack, this charging rack can provide excellent DC voltage-stabilizing output voltage, when detecting the daily charging of lead-acid battery, can charge by the charge characteristic control of constant voltage after the first constant current according to the specification requirement of daily charging; When detecting lithium battery and fill, can relevant circuit be automatically converted to lithium cell charging according to the specification requirement of lithium cell charging, when grid cut-off, just cut off the series via between the battery automatically.
For achieving the above object, the technical solution of the utility model is: this lamp-charging rack comprises frame, dc switching power supply, controller.
Its physical circuit comprises reference voltage circuit, battery quality decision circuitry, charged state judgement and control circuit, constant-current control circuit;
The signal that the battery quality decision circuitry detects and reference voltage circuit relatively, the U2 output signal that (shows that battery quality has problem) when the voltage of battery is lower than setting is turn-offed charge circuit through conversion.
The beneficial effects of the utility model: lamp-charging rack of the present utility model has the very high ratio of performance to price, is the renewal product of existing lamp-charging rack, has certain economic benefits.
Below in conjunction with drawings and Examples to the utility model detailed explanation of making comparisons.
Description of drawings
Fig. 1 is the controller principle block diagram of the utility model lamp-charging rack;
Fig. 2 is the controller principle figure of the utility model lamp-charging rack.
Embodiment
With reference to Fig. 1, this is the electrical principle block diagram of the utility model lamp-charging rack.
This charging rack comprises frame, dc switching power supply, controller.Its physical circuit comprises reference voltage circuit 1, battery quality decision circuitry 2, charged state judgement and control circuit 3, constant-current control circuit 4.
Wherein reference voltage circuit 1 comprises integrated circuit U1, resistance R 1-1, R1-2, R2, R3.
Wherein battery quality decision circuitry 2 comprises integrated circuit U2, resistance R 8, R10, T3.Wherein charged state judgement and control circuit 3 comprise resistance R 13, R14, R15, R4, R5, R6, R7, integrated circuit U4, U5, triode T1, T2.
Wherein constant-current control circuit 4 comprises integrated circuit U3, U6, resistance R 9, R11, R12, ammeter A.
The signal that the battery quality decision circuitry detects and reference voltage circuit relatively, the U2 output signal that (shows that battery quality has problem) when the voltage of battery is lower than setting is turn-offed charge circuit through conversion.
The charged state decision circuitry detects, judges the state of main power voltage:
1. make when being in the initial charge state, U4 exports high level, makes R4 in parallel with R2, R3, the dividing potential drop reference voltage of R1-1, R1-2 and R2, R3 is changed, thereby change charging current for meeting the desired size of initial charge;
2. make when being in the lithium cell charging state, U5 exports high level, makes R6 in parallel with R2, R3, the dividing potential drop reference voltage of R1-1, R1-2 and R2, R3 is changed, thereby change charging current for meeting the desired size of lithium cell charging.Constant-current control circuit is accepted the size of the signal change constant current of above-mentioned detection control circuit, or turn-offs charging circuit.
With reference to Fig. 2, this is the electrical schematic diagram of the utility model lamp-charging rack.
As shown in the figure, main power voltage VCC is connected with the power end of integrated circuit U1～U5, the earth terminal of U1～U5 is connected with ground, the output of circuit of three-terminal voltage-stabilizing integrated U1 is connected to an end and the integrated transporting discharging U2 of R1-1, the inverting input of U4 and the in-phase input end of U5, the other end of resistance R 1-1 links to each other with the end of R1-2, the other end of R1-2 links to each other with the end of R2, also link to each other with the end of R4, link to each other with the end of R6, link to each other with the inverting input of integrated transporting discharging U3, the other end of R4 links to each other with the collector electrode of triode T1, the other end of R6 links to each other with the collector electrode of triode T2, the base stage of triode T1 links to each other with an end of resistance R 5, the base stage of triode T2 links to each other with an end of resistance R 7, the other end of R5 links to each other with the output of integrated transporting discharging U4, the other end of R7 links to each other with the output of integrated transporting discharging U5, the in-phase input end of integrated transporting discharging U4 and resistance R 13, the junction of R14 links to each other, the inverting input of integrated transporting discharging U5 and resistance R 14, the junction of R15 links to each other, the other end of resistance R 13 links to each other with main power voltage, the other end of R14 links to each other with the end of R15, the other end of R15 links to each other with ground, the in-phase input end of integrated transporting discharging U3 links to each other with the end of R12, the output of integrated transporting discharging U3 and R9, each end of R10 links to each other, the other end of R9 respectively with the end of R11, the collector electrode of triode T3, the grid of MOSFET-U6 links to each other, the other end of R10 links to each other with ground, the other end of R11 links to each other with ground, the base stage of T3 links to each other with an end of resistance R 8, the emitter of T3 links to each other with ground, the other end of R8 links to each other with the output of integrated transporting discharging U2, the homophase input of integrated transporting discharging U2 links to each other with the drain electrode of U6, and the source electrode of U6 links to each other with an end of resistance R 12, link to each other with the inverting input of integrated transporting discharging U3.
This charging rack just automatically cuts off electricity when grid cut-off, relevant circuit is automatically converted to the condition of work of daily charging, charges by the charge characteristic control of constant voltage after the first constant current.When the setting that detects the lead-acid battery initial charge requires, according to the specification requirement of initial charge relevant circuit is automatically converted to the condition of work of initial charge, press the charging of constant current charge Characteristics Control.When detecting lithium cell charging, can relevant circuit be automatically converted to lithium cell charging according to the specification requirement of lithium cell charging.
Though the utility model is described with reference to the above embodiments; but those of ordinary skill in the art; will be appreciated that above embodiment is used for illustrating the utility model; should understand and wherein can make variations and modifications and do not break away from the utility model in a broad sense; so be not that conduct is to qualification of the present utility model; as long as in the utility model connotation scope, to the variation of above-described embodiment, the protection range that distortion all will fall into the utility model claim.
Claims (5)
1. coal mine's cap-lamp charging rack, comprise frame, dc switching power supply, controller, it is characterized in that: the controller of described charging rack, its circuit comprise reference voltage circuit (1), battery quality decision circuitry (2), charged state judgement and control circuit (3), constant-current control circuit (4); Annexation between its circuit: reference voltage circuit (1) and battery quality decision circuitry (2), battery quality decision circuitry (2), judge and control circuit (3) that with charged state charged state is judged and control circuit (3) is connected with constant-current control circuit (4) circuit; Signal that the battery quality decision circuitry detects and reference voltage circuit compare, and the U2 output signal of battery quality decision circuitry (2) is turn-offed charge circuit through conversion when the voltage of battery is lower than setting.
2. coal mine's cap-lamp charging rack as claimed in claim 1 is characterized in that: described benchmark reference voltage circuit (1) comprises integrated circuit U1, resistance R 1-1, R1-2, R2, R3; U1 is connected with the end of resistance R 1-1, and the other end of resistance R 1-1 is connected successively with resistance R 1-2, R2, R3.
3. coal mine's cap-lamp charging rack as claimed in claim 1 is characterized in that: described battery quality decision circuitry (2) comprises integrated circuit U2, resistance R 8, R10, T3; One end of integrated circuit U2 and resistance R 8 joins, and the other end of resistance R 8 links to each other with the base stage of T3.
4. coal mine's cap-lamp charging rack as claimed in claim 1 is characterized in that: described charged state is judged and control circuit (3), is comprised resistance R 13, R14, R15, R4, R5, R6, R7, integrated circuit U4, U5, triode T1T2; The end of R4 connects the collector electrode of triode T1, its grounded emitter, the base stage of triode T1 connects the end of R5, the other end of R5 connects the input of U4, and the common joint of its input and R13, R14 joins, and its inverting input is connected with the inverting input of U5, the input of U5 is connected with resistance R 14, R15 common joint, the other end of R6 links to each other with the collector electrode of triode T2, and the base stage of triode T2 links to each other with an end of resistance R 7, and the other end of R7 links to each other with the output of integrated transporting discharging U4.
5. coal mine's cap-lamp charging rack as claimed in claim 1 is characterized in that: described constant-current control circuit (4) comprises integrated circuit U3, U6, resistance R 9, R11, R12, ammeter A; The in-phase input end of integrated transporting discharging U3 links to each other with the end of R12, the output of integrated transporting discharging U3 links to each other with each end of R9, R10, the other end of R9 links to each other with the end of R11, the collector electrode of triode T3, the grid of MOSFET-U6 respectively, the other end of R11 links to each other with ground, the base stage of T3 links to each other with an end of resistance R 8, the emitter of T3 links to each other with ground, the other end of R8 links to each other with the output of integrated transporting discharging U2, the homophase input of integrated transporting discharging U2 links to each other with the drain electrode of U6, and the source electrode of U6 links to each other with an end of resistance R 12, links to each other with the inverting input of integrated transporting discharging U3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200471994U CN201018294Y (en) | 2006-10-27 | 2006-10-27 | Mine lamp charging rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200471994U CN201018294Y (en) | 2006-10-27 | 2006-10-27 | Mine lamp charging rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201018294Y true CN201018294Y (en) | 2008-02-06 |
Family
ID=39058794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200471994U Expired - Fee Related CN201018294Y (en) | 2006-10-27 | 2006-10-27 | Mine lamp charging rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201018294Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8154250B2 (en) | 2008-06-20 | 2012-04-10 | Green Solution Technology Co., Ltd. | Battery charging controller and battery module using the same |
-
2006
- 2006-10-27 CN CNU2006200471994U patent/CN201018294Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8154250B2 (en) | 2008-06-20 | 2012-04-10 | Green Solution Technology Co., Ltd. | Battery charging controller and battery module using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |