CN208623374U - A kind of lithium battery charger circuit - Google Patents
A kind of lithium battery charger circuit Download PDFInfo
- Publication number
- CN208623374U CN208623374U CN201821444647.3U CN201821444647U CN208623374U CN 208623374 U CN208623374 U CN 208623374U CN 201821444647 U CN201821444647 U CN 201821444647U CN 208623374 U CN208623374 U CN 208623374U
- Authority
- CN
- China
- Prior art keywords
- attached
- resistance
- diode
- lithium battery
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 29
- 239000003990 capacitor Substances 0.000 claims abstract description 30
- 239000000126 substance Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 description 3
- 230000005779 cell damage Effects 0.000 description 2
- 208000037887 cell injury Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model proposes a kind of lithium battery charger circuits, comprising: voltage input end, the transformer circuit being attached with voltage input end and fuse, the oscillating circuit being attached with transformer, the thyristor being attached with oscillating circuit, the 5th resistance being attached with thyristor and the 6th resistance, the third capacitor being attached with the 6th resistance, the ammeter being attached with third capacitor, the voltmeter being attached with fuse around the 5th resistance, the voltage output end being attached with voltmeter；The anode of thyristor is attached with voltage input end, cathode is attached with the 5th resistance, gate pole and oscillating circuit are attached；The cathode of 5th resistance one end and thyristor is attached, the other end and voltage output end are attached；The cathode of 6th resistance one end and thyristor is attached, the other end is attached with the second capacitor, and whereby, the utility model has the advantages that cost is relatively low, circuit connection is easy, is convenient for large-scale use.
Description
Technical field
The utility model belongs to battery charger field, in particular to a kind of lithium battery charger circuit.
Background technique
Currently, battery is generally divided into lead storage battery, nickel-cadmium cell, nickel-metal hydride battery and lithium ion battery.Due to battery
Many kinds of and capacity is different, the battery of variety classes and capacity generally require it is different charger matched, if battery
It is charger matched it is bad will appear overcharge overheat etc. dangerous phenomenon, to influence the normal use of battery and shorten electric power storage
In the pond service life, lithium battery is lost the feature that low, power supply rate is high, pollution is small and is more and more applied at present with it various needs battery
In the electric appliance of power supply.
But the charger of lithium battery has a single function mostly, the function of charger directly determines the use longevity of lithium battery
Life, intelligent charger currently on the market is mostly at high price, and cheap charger only has simple voltage conversion function,
Easily cause lithium battery overcharges phenomenon, influences its service life, damages to lithium battery, and circuit is excessively complicated,
It is not easy to connect.
Therefore, it in view of above scheme in actual fabrication and in place of implementing using upper missing, and corrected, improved, together
When in line with the spirit and theory asked, and by the knowledge of profession, the auxiliary of experience, and after multi-party clever thought, test, just found
The utility model out, spy provide a kind of lithium battery charger circuit again, for solving excessively complicated circuit, inconvenience connection and making
The problem of at cell damage.
Utility model content
The utility model proposes a kind of lithium battery charger circuit, it is excessively complicated, inconvenient to solve circuit in the prior art
The problem of connecting and causing cell damage.
The technical solution of the utility model is achieved in that lithium battery charger circuit, comprising: voltage input end, with
Transformer circuit and fuse that voltage input end is attached and oscillating circuit and oscillating circuit that transformer is attached
The thyristor that is attached, the 5th resistance being attached with thyristor and the 6th resistance, the be attached with the 6th resistance
Three capacitors, the ammeter being attached with third capacitor, the voltmeter and voltage being attached with fuse around the 5th resistance
The voltage output end that table is attached；The anode of thyristor is attached with voltage input end, cathode is connected with the 5th resistance
It connects, gate pole and oscillating circuit are attached；The cathode of 5th resistance one end and thyristor is attached, the other end and voltage output
End is attached；The cathode of 6th resistance one end and thyristor is attached, the other end is attached with the second capacitor；Fuse
One end is attached with supply voltage, the other end and power output end are attached.
As a preferred embodiment, transformer circuit include the transformer being attached with voltage input end, with
The light bulb that transformer is attached and the first diode that light bulb is attached, the first electricity being attached with first diode
Resistance, the second diode being attached with first resistor；First diode anode with transformer be attached, cathode and first
One end of resistance is attached；Anode and the transformer of second diode be attached, the other end of cathode and first resistor into
Row connection.
As a preferred embodiment, oscillating circuit includes first that biradical pole pipe and biradical pole pipe are attached
Capacitor, the first slide rheostat being attached with first capacitor, the second sliding being attached with the first slide rheostat become
Resistance device, the second resistance being attached with the second slide rheostat, the third diode being attached with biradical pole pipe and third
The 4th resistance that diode is attached；The cathode of three or two pole and the gate pole of thyristor be attached, anode and the 4th resistance
One end be attached；The anode of the other end and the second diode of 4th resistance is attached.
As a preferred embodiment, thyristor is 3CT type thyristor.
As a preferred embodiment, biradical pole pipe uses BT33F type.
As a preferred embodiment, first diode and third diode are all made of 4007 type diodes.
As a preferred embodiment, the second diode uses 2CW113 type diode.
As a preferred embodiment, ammeter one end and the 6th resistance are attached, the other end and the second capacitor
It is attached.
As a preferred embodiment, the capacitance of first capacitor is 0.22 microfarad, the capacitance of the second capacitor is
Microfarad.
As a preferred embodiment, the resistance value of first resistor is 1.5 kilo-ohms, the resistance value of second resistance is 4.7 thousand
Europe.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
1, avoid the charger function of lithium battery single, the reduced service life of the function bring lithium battery of charger
Problem；
2, avoid intelligent charger mostly at high price, and cheap charger only has simple voltage conversion function,
Caused by lithium battery overcharge phenomenon；
3, it avoids affecting lithium battery, the problem of reduced service life, while avoiding and lithium battery is caused to damage
It is bad；
4, the excessively complexity for connecting charging circuit is avoided, is conducive to be mass produced and use.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
In figure, VS- thyristor；The 5th resistance of R5-；The 6th resistance of R6-；C3- third capacitor；A- ammeter；V- voltmeter；
FU- fuse；EL- light bulb；VD1- first diode；R1- first resistor；The second diode of VD2-；The biradical pole pipe of V1-；C1-
One capacitor；The first slide rheostat of RP1-；The second slide rheostat of RP2-；R2- second resistance；VD3- third diode；R4-
Four resistance；T- transformer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, lithium battery charger circuit, comprising: voltage input end, the transformation being attached with voltage input end
Device T circuit and fuse FU, the oscillating circuit being attached with transformer T, the thyristor VS being attached with oscillating circuit, with
The 5th resistance R5 and the 6th resistance R6 that thyristor VS is attached, the third capacitor C3 being attached with the 6th resistance R6, with
Ammeter A, the voltmeter V and voltage being attached with fuse FU around the 5th resistance R5 that third capacitor C3 is attached
The voltage output end that Table V is attached；The anode of thyristor VS and voltage input end be attached, cathode and the 5th resistance R5 into
Row connection, gate pole and oscillating circuit are attached；The cathode of 5th one end resistance R5 and thyristor VS is attached, the other end with
Voltage output end is attached；The cathode of 6th one end resistance R6 and thyristor VS is attached, the other end and the second capacitor into
Row connection；The one end fuse FU is attached with supply voltage, the other end and power output end are attached.Transformer T circuit
It is attached including the transformer T being attached with voltage input end, the light bulb EL being attached with transformer T, with light bulb EL
First diode VD1, be attached with first diode VD1 first resistor R1, be attached with first resistor R1；The
The anode of one diode VD1 is attached with transformer T, one end of cathode and first resistor R1 are attached；Second diode
The anode of VD2 is attached with transformer T, the other end of cathode and first resistor R1 are attached.Oscillating circuit includes biradical
Pole pipe V1, the first capacitor C1 being attached with biradical pole pipe V1, the first slide rheostat being attached with first capacitor C1
RP1, the second slide rheostat RP2 being attached with the first slide rheostat RP1, connected with the second slide rheostat RP2
What the third diode VD3 and third diode VD3 that the second resistance R2 connect and biradical pole pipe V1 are attached were attached
4th resistance R4；The cathode of three or two pole and the gate pole of thyristor VS are attached, one end of anode and the 4th resistance R4 carries out
Connection；The other end of 4th resistance R4 and the anode of the second diode VD2 are attached.Thyristor VS is 3CT type thyristor VS.
Biradical pole pipe V1 uses BT33F type.First diode VD1 and third diode VD3 are all made of 4007 type diodes.Two or two pole
Pipe VD2 uses 2CW113 type diode.The one end ammeter A and the 6th resistance R6 are attached, the other end and the second capacitor carry out
Connection.The capacitance of first capacitor C1 is 0.22 microfarad, the capacitance of the second capacitor is microfarad.The resistance value of first resistor R1 is
1.5 kilo-ohms, the resistance value of second resistance R2 be 4.7 kilo-ohms.
The working principle of the lithium battery charger circuit are as follows: transformer T provides operating voltage, biradical pole for biradical pole pipe V1
Pipe V1 and respective peripheral element form an oscillator, and frequency of oscillation can be by the first slide rheostat RP1, the second slide rheostat
RP2 control.In this circuit, the first slide rheostat RP1, the second slide rheostat RP2 value difference are larger, so in reality
In work, the second slide rheostat RP2 can play coarse adjustment, and the first slide rheostat RP1 plays fine tuning, this is to single battery
It is particularly important when charging, it can avoid damage battery.By biradical pole pipe V1 generate oscillating impulse through third diode VD3 every
From, triggering thyristor VS, the output pulse of the size of charging current and the height of voltage depending on oscillator, i.e., by frequency of oscillation
It determines.5th resistance R5 is sample resistance, depending on neglecting ammeter A greatly, if band sample resistance in ammeter A, and the 5th electricity
Resistance R5 can be saved.6th resistance R6, the second capacitor are the damping elements for protecting gauge outfit.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of lithium battery charger circuit characterized by comprising voltage input end is attached with voltage input end
The thyristor and crystalline substance that the oscillating circuit and oscillating circuit that transformer circuit and fuse and transformer are attached are attached
The 5th resistance and the 6th resistance that brake tube is attached and the third capacitor that the 6th resistance is attached are carried out with third capacitor
The ammeter of connection, the voltmeter being attached with fuse around the 5th resistance, the voltage output being attached with voltmeter
End；The anode of the thyristor and voltage input end be attached, cathode and the 5th resistance are attached, gate pole and oscillating circuit
It is attached；The described 5th resistance one end and cathode of thyristor is attached, the other end and voltage output end are attached；Institute
It states the 6th resistance one end and the cathode of thyristor is attached, the other end is attached with the second capacitor；Described fuse one end
It is attached with supply voltage, the other end and power output end are attached.
2. lithium battery charger circuit according to claim 1, which is characterized in that the transformer circuit includes and voltage
Transformer that input terminal is attached, the light bulb being attached with transformer, the first diode being attached with light bulb, with the
The first resistor that one diode is attached and the second diode that first resistor is attached；The first diode is just
Pole is attached with transformer, one end of cathode and first resistor is attached；The anode and transformer of second diode
It is attached, the other end of cathode and first resistor is attached.
3. lithium battery charger circuit according to claim 2, which is characterized in that the oscillating circuit includes biradical pole
Pipe, the first capacitor being attached with biradical pole pipe, the first slide rheostat being attached with first capacitor and the first sliding
The second slide rheostat that rheostat is attached and the second resistance that the second slide rheostat is attached and biradical pole pipe
The third diode being attached, the 4th resistance being attached with third diode；The cathode of three or two pole and brilliant lock
The gate pole of pipe is attached, one end of anode and the 4th resistance is attached；The other end of 4th resistance and the two or two pole
The anode of pipe is attached.
4. lithium battery charger circuit according to claim 3, which is characterized in that the thyristor is 3CT type thyristor.
5. lithium battery charger circuit according to claim 4, which is characterized in that the biradical pole pipe uses BT33F type.
6. lithium battery charger circuit according to claim 5, which is characterized in that the first diode and the three or two pole
Pipe is all made of 4007 type diodes.
7. lithium battery charger circuit according to claim 6, which is characterized in that second diode uses 2CW113
Type diode.
8. lithium battery charger circuit according to claim 7, which is characterized in that described ammeter one end and the 6th resistance
It is attached, the other end is attached with the second capacitor.
9. lithium battery charger circuit according to claim 8, which is characterized in that the capacitance of the first capacitor is
0.22 microfarad, the capacitance of the second capacitor are microfarad.
10. lithium battery charger circuit according to claim 9, which is characterized in that the resistance value of the first resistor is 1.5
Kilo-ohm, the resistance value of second resistance be 4.7 kilo-ohms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444647.3U CN208623374U (en) | 2018-09-04 | 2018-09-04 | A kind of lithium battery charger circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444647.3U CN208623374U (en) | 2018-09-04 | 2018-09-04 | A kind of lithium battery charger circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208623374U true CN208623374U (en) | 2019-03-19 |
Family
ID=65717013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821444647.3U Expired - Fee Related CN208623374U (en) | 2018-09-04 | 2018-09-04 | A kind of lithium battery charger circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208623374U (en) |
-
2018
- 2018-09-04 CN CN201821444647.3U patent/CN208623374U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208142879U (en) | Charging control circuit and charging device | |
| CN208623374U (en) | A kind of lithium battery charger circuit | |
| CN218675240U (en) | Lithium battery comprehensive test equipment with multifunctional protection | |
| CN205986253U (en) | Electric motor car battery charger's auto -power -off circuit | |
| CN202260547U (en) | Charging circuit for charging super capacitor | |
| CN106160122A (en) | A kind of automatic power-off circuit of electromobile battery charger | |
| CN204424972U (en) | For the charge protector of capacitance decompression | |
| CN104009528A (en) | Storage battery charging circuit and charging method thereof | |
| CN206790152U (en) | A kind of low-cost solar plate overcharge protection circuit | |
| CN207234501U (en) | A kind of accumulator super-charge of solar cell, which is crossed, puts control circuit | |
| CN206628824U (en) | A kind of anti-firing circuit and direct current charging connector | |
| CN201311448Y (en) | No-load voltage detection circuit for solar cell panel | |
| CN205509642U (en) | Long -life solar charging ware | |
| CN205753628U (en) | Possesses the double loop Switching power of N-type constant-current charge | |
| CN201260085Y (en) | Solar energy controller | |
| CN208986650U (en) | A kind of charging circuit for partial discharge tester | |
| CN104578223A (en) | Solar charger for mobile phone | |
| CN204794239U (en) | Solar charger | |
| CN204858710U (en) | Quick charging circuit of polymer lithium cell | |
| CN204304488U (en) | A kind of charger system of start battery testing current | |
| CN103779839A (en) | Automatic opening type starting circuit powered up by rechargeable battery | |
| CN219046430U (en) | Compatible solar energy input digital display energy storage power charger | |
| CN103199584B (en) | Solar cell charger | |
| CN203522280U (en) | Mobile phone charger with utilization of solar energy | |
| CN221202198U (en) | Charging circuit for sun tracking controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |