CN205212511U - Lithium battery power detection device - Google Patents
Lithium battery power detection device Download PDFInfo
- Publication number
- CN205212511U CN205212511U CN201521083317.2U CN201521083317U CN205212511U CN 205212511 U CN205212511 U CN 205212511U CN 201521083317 U CN201521083317 U CN 201521083317U CN 205212511 U CN205212511 U CN 205212511U
- Authority
- CN
- China
- Prior art keywords
- electric quantity
- display circuit
- circuit
- quantity display
- light
- 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
Abstract
The utility model discloses a lithium battery power detection device, this lithium battery power detection device comprises dc generator, voltage stabilizing circuit, battery charging/ discharging management circuit, lithium cell, voltage conversion circuit and battery voltage management display circuit. The utility model discloses an adopt four battery indicator circuit and singlechip to constitute battery voltage management display circuit for the real -time electric quantity condition that shows the lithium cell, including the charge condition and the circumstances of discharging, can make user ground directly perceived, look over battery power's the circumstances to have better man -machine interface in real time, the intelligent use and the protection lithium cell of real time monitoring and then bigger degree can carry out the electric quantity of lithium cell.
Description
Technical field
The utility model relates to automobile rechargeable battery checkout gear, is specifically related to a kind of capacity checking device for lithium batteries.
Background technology
Along with the popularization and application of electric automobile, the development of vehicle charging battery technology more and more comes into one's own.Vehicle charging battery technology brings great convenience also to people's daily life, and all vehicle charging batteries only could normal work under the support of power circuit.The requirement of vehicle charging battery to power circuit to provide electric energy that is continual and steady, that meet load request, and all require under normal circumstances to provide galvanic current energy.The power supply providing this galvanic current energy is exactly D.C. regulated power supply.
At present, when using powered battery, the current state of battery is that user is concerned about, if the state of charge that display is current in real time.Lithium battery is as the emergent energy source of automobile, and therefore, the display of battery allowance just seems especially important to Real-Time Monitoring.
Summary of the invention
The purpose of this utility model is to provide a kind of capacity checking device for lithium batteries, and this capacity checking device for lithium batteries manages display circuit by DC generator, voltage stabilizing circuit, battery charging and discharging management circuit, lithium battery, voltage conversion circuit and cell voltage and forms.The utility model is by employing four electric quantity display circuits and single-chip microcomputer composition cell voltage management display circuit; for showing the real time electrical quantity situation of lithium battery; comprise charge condition and discharge scenario; user can be made to view the situation of battery electric quantity intuitively, in real time; there is good human-computer interaction interface, can monitor in real time the electricity of lithium battery so that greatly reasonable employment and protection lithium battery.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of capacity checking device for lithium batteries, this electric quantity detection apparatus comprises:
DC generator, is connected with exterior source of energy;
Voltage stabilizing circuit, is connected with described DC generator;
Battery charging and discharging management circuit, is connected with described voltage stabilizing circuit;
Lithium battery, is connected with described battery charging and discharging management circuit;
Voltage conversion circuit, is connected with described lithium battery;
Cell voltage management display circuit, is connected with described voltage conversion circuit, described lithium battery respectively.
Preferably, described cell voltage management display circuit comprises:
Single-chip microcomputer, is connected with described voltage conversion circuit, described lithium battery respectively;
Cell voltage display circuit, is connected with described single-chip microcomputer, described voltage conversion circuit respectively.
Preferably, described cell voltage display circuit comprises:
First electric quantity display circuit, the power input of described first electric quantity display circuit is connected with described voltage conversion circuit, and the signal input part of this first electric quantity display circuit is connected with described single-chip microcomputer;
Second electric quantity display circuit, the power input of described second electric quantity display circuit is connected with described voltage conversion circuit, and the signal input part of this second electric quantity display circuit is connected with described single-chip microcomputer;
3rd electric quantity display circuit, the power input of described 3rd electric quantity display circuit is connected with described voltage conversion circuit, and the signal input part of the 3rd electric quantity display circuit is connected with described single-chip microcomputer;
4th electric quantity display circuit, the power input of described 4th electric quantity display circuit is connected with described voltage conversion circuit, and the signal input part of the 4th electric quantity display circuit is connected with described single-chip microcomputer.
Preferably, described first electric quantity display circuit comprises:
First resistance, one end of described first resistance is connected with described voltage conversion circuit;
First light-emitting diode, the positive pole of described first light-emitting diode is connected with the other end of described first resistance, and the negative pole of this first light-emitting diode is connected with described single-chip microcomputer;
The one end of described first resistance be connected with described voltage conversion circuit is the power input of described first electric quantity display circuit, and the negative pole of described first light-emitting diode is the signal input part of the first electric quantity display circuit.
Preferably, described second electric quantity display circuit comprises:
Second resistance, one end of described second resistance is connected with described voltage conversion circuit;
Second light-emitting diode, the positive pole of described second light-emitting diode is connected with the other end of described second resistance, and the negative pole of this second light-emitting diode is connected with described single-chip microcomputer;
The one end of described second resistance be connected with described voltage conversion circuit is the power input of described second electric quantity display circuit, and the negative pole of described second light-emitting diode is the signal input part of the second electric quantity display circuit.
Preferably, described 3rd electric quantity display circuit comprises:
3rd resistance, one end of described 3rd resistance is connected with described voltage conversion circuit;
3rd light-emitting diode, the positive pole of described 3rd light-emitting diode is connected with the other end of described 3rd resistance, and the negative pole of the 3rd light-emitting diode is connected with described single-chip microcomputer;
The one end of described 3rd resistance be connected with described voltage conversion circuit is the power input of described 3rd electric quantity display circuit, and the negative pole of described 3rd light-emitting diode is the signal input part of the 3rd electric quantity display circuit.
Preferably, described 4th electric quantity display circuit comprises:
4th resistance, one end of described 4th resistance is connected with described voltage conversion circuit;
4th light-emitting diode, the positive pole of described 4th light-emitting diode is connected with the other end of described 4th resistance, and the negative pole of the 4th light-emitting diode is connected with described single-chip microcomputer;
The one end of described 4th resistance be connected with described voltage conversion circuit is the power input of described 4th electric quantity display circuit, and the negative pole of described 4th light-emitting diode is the signal input part of the 4th electric quantity display circuit.
The utility model compared with prior art has the following advantages:
A kind of capacity checking device for lithium batteries disclosed in the utility model, this capacity checking device for lithium batteries manages display circuit by DC generator, voltage stabilizing circuit, battery charging and discharging management circuit, lithium battery, voltage conversion circuit and cell voltage and forms.The utility model is by employing four electric quantity display circuits and single-chip microcomputer composition cell voltage management display circuit; for showing the real time electrical quantity situation of lithium battery; comprise charge condition and discharge scenario; user can be made to view the situation of battery electric quantity intuitively, in real time; there is good human-computer interaction interface, can monitor in real time the electricity of lithium battery so that greatly reasonable employment and protection lithium battery.Disclosed in the utility model, a kind of capacity checking device for lithium batteries structure is simple, stability is large, reliability is high.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of capacity checking device for lithium batteries of the utility model.
Fig. 2 is the cell voltage display circuit overall schematic of a kind of capacity checking device for lithium batteries of the utility model.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, a kind of capacity checking device for lithium batteries, this electric quantity detection apparatus comprises: DC generator 1, voltage stabilizing circuit 2, battery charging and discharging management circuit 3, lithium battery 4, voltage conversion circuit 5 and cell voltage management display circuit 6.
Wherein, DC generator 1 is connected with exterior source of energy; Voltage stabilizing circuit 2 is connected with DC generator 1; Battery charging and discharging management circuit 3 is connected with voltage stabilizing circuit 2; Lithium battery 4 is connected with battery charging and discharging management circuit 3; Voltage conversion circuit 5 is connected with lithium battery 4; Cell voltage management display circuit 6 is connected with voltage conversion circuit 5, lithium battery 4 respectively.
In the present embodiment, adopt voltage-stabiliser tube as the main components of voltage stabilizing circuit 2, adopt charging and discharging lithium battery managing chip TP4056 as the main components of battery charging and discharging management circuit 3, low-power dissipation power supply chip LTC1844-3.3 is as the main components of voltage conversion circuit 5.
As shown in Figure 1, cell voltage management display circuit 6 comprises: single-chip microcomputer 61, cell voltage display circuit 62.Wherein, single-chip microcomputer 61 is connected with voltage conversion circuit 5, lithium battery 4 respectively; Cell voltage display circuit 62 is connected with single-chip microcomputer 61, voltage conversion circuit 5 respectively.
In the present embodiment, model is adopted to be that the single-chip microcomputer of MSP430F149 model is as single-chip microcomputer 61.
Disclosed in the utility model, a kind of specific works principle of capacity checking device for lithium batteries is as follows:
Exterior source of energy is converted to direct current by DC generator 1, by the voltage stabilizing circuit 2 of 6.2V by the DC voltage stability of above-mentioned acquisition at 6.2V, the management of charging and discharging that battery charging and discharging management circuit 3 pairs of lithium batteries 4 are correlated with, ensures that the electric energy that DC generator 1 produces farthest is stored in lithium battery 4.The voltage transitions of lithium battery 4 is 3.3V by voltage conversion circuit 5, thus powers for cell voltage manages display circuit 6.The voltage of single-chip microcomputer 61 pairs of lithium batteries 4 of cell voltage management display circuit 6 is monitored in real time, and judge the electricity of this lithium battery 4 according to the voltage of the lithium battery 4 detected in real time, and shown in real time by the electricity of cell voltage display circuit 62 pairs of lithium batteries 4.
As shown in Figure 2, cell voltage display circuit 62 comprises: the first electric quantity display circuit, the second electric quantity display circuit, the 3rd electric quantity display circuit and the 4th electric quantity display circuit.
Wherein, the power input of the first electric quantity display circuit is connected with voltage conversion circuit 5, and the signal input part of this first electric quantity display circuit is connected with single-chip microcomputer 61; The power input of the second electric quantity display circuit is connected with voltage conversion circuit 5, and the signal input part of this second electric quantity display circuit is connected with single-chip microcomputer 61; The power input of the 3rd electric quantity display circuit is connected with voltage conversion circuit 5, and the signal input part of the 3rd electric quantity display circuit is connected with single-chip microcomputer 61; The power input of the 4th electric quantity display circuit is connected with voltage conversion circuit 5, and the signal input part of the 4th electric quantity display circuit is connected with single-chip microcomputer 61.
As shown in Figure 2, the first electric quantity display circuit comprises: the first resistance R1, the first light-emitting diode D1.Wherein, one end of the first resistance R1 is connected with voltage conversion circuit 5; The positive pole of the first light-emitting diode D1 is connected with the other end of the first resistance R1, and the negative pole of this first light-emitting diode D1 is connected with single-chip microcomputer 61.
The one end of the first resistance R1 be connected with voltage conversion circuit 5 is the power input of the first electric quantity display circuit, and the negative pole of the first light-emitting diode D1 is the signal input part of the first electric quantity display circuit.
As shown in Figure 2, the second electric quantity display circuit comprises: the second resistance R2, the second light-emitting diode D2.Wherein, one end of the second resistance R2 is connected with voltage conversion circuit 5; The positive pole of the second light-emitting diode D2 is connected with the other end of the second resistance R2, and the negative pole of this second light-emitting diode D2 is connected with single-chip microcomputer 61.
The one end of the second resistance R2 be connected with voltage conversion circuit 5 is the power input of the second electric quantity display circuit, and the negative pole of the second light-emitting diode D2 is the signal input part of the second electric quantity display circuit.
As shown in Figure 2, the 3rd electric quantity display circuit comprises: the 3rd resistance R3, the 3rd light-emitting diode D3.Wherein, one end of the 3rd resistance R3 is connected with voltage conversion circuit 5; The positive pole of the 3rd light-emitting diode D3 is connected with the other end of the 3rd resistance R3, and the negative pole of the 3rd light-emitting diode D3 is connected with single-chip microcomputer 61.
The one end of the 3rd resistance R3 be connected with voltage conversion circuit 5 is the power input of the 3rd electric quantity display circuit, and the negative pole of the 3rd light-emitting diode D3 is the signal input part of the 3rd electric quantity display circuit.
As shown in Figure 2, the 4th electric quantity display circuit comprises: the 4th resistance R4, the 4th light-emitting diode D4.Wherein, one end of the 4th resistance R4 is connected with voltage conversion circuit 5; The positive pole of the 4th light-emitting diode D4 is connected with the other end of the 4th resistance R4, and the negative pole of the 4th light-emitting diode D4 is connected with single-chip microcomputer 61.
The one end of the 4th resistance R4 be connected with voltage conversion circuit 5 is the power input of the 4th electric quantity display circuit, and the negative pole of the 4th light-emitting diode D4 is the signal input part of the 4th electric quantity display circuit.
In the present embodiment, the first resistance R1, the second resistance R2, the 3rd resistance R3 and the 4th resistance R4 are 5.1K Ω.
Cell voltage display circuit 62 pairs of lithium batteries 4 are adopted to carry out electric power detection.When DC generator 1 is charged, the first light-emitting diode D1, the second light-emitting diode D2, the 3rd light-emitting diode D3 and the 4th light-emitting diode D4 show electricity respectively.Such as, electricity is between 0-10%, and the 4th light-emitting diode D4 that single-chip microcomputer 61 controls the 4th electric quantity display circuit glimmers, and all the other light-emitting diodes do not work.After the electricity of lithium battery 4 is to 10%, single-chip microcomputer 61 controls the 4th light-emitting diode D4 Chang Liang, and all the other light-emitting diodes do not work.When electricity is between 10%-40%, single-chip microcomputer 61 controls the 4th light-emitting diode D4 Chang Liang, and the 3rd light-emitting diode D3 controlling the 3rd electric quantity display circuit glimmers, and all the other light-emitting diodes do not work.When electricity is 40% time, single-chip microcomputer 61 controls the 3rd light-emitting diode D3 and the 4th light-emitting diode D4 Chang Liang, and all the other light-emitting diodes do not work.When electricity is at 40%-70%, single-chip microcomputer 61 controls the 3rd light-emitting diode D3 and the 4th light-emitting diode D4 Chang Liang, and the second light-emitting diode D2 that single-chip microcomputer 61 controls the second electric quantity display circuit glimmers.When electricity reaches 70%, single-chip microcomputer 61 controls the second light-emitting diode D2, the 3rd light-emitting diode D3 and the 4th light-emitting diode D4 Chang Liang, and the first light-emitting diode D1 does not work.When electricity is between 70%-100%, single-chip microcomputer 61 controls the second light-emitting diode D2, the 3rd light-emitting diode D3 and the 4th light-emitting diode D4 Chang Liang, and the first light-emitting diode D1 that single-chip microcomputer 61 controls the first electric quantity display circuit glimmers.When electricity reaches 100%, it is entirely bright that single-chip microcomputer 61 controls the first light-emitting diode D1, the second light-emitting diode D2, the 3rd light-emitting diode D3 and the 4th light-emitting diode D4.When not charging, cell voltage display circuit 62 normally shows, and the electricity of display lithium battery 4, does not glimmer.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (7)
1. a capacity checking device for lithium batteries, is characterized in that, this electric quantity detection apparatus comprises:
DC generator, is connected with exterior source of energy;
Voltage stabilizing circuit, is connected with described DC generator;
Battery charging and discharging management circuit, is connected with described voltage stabilizing circuit;
Lithium battery, is connected with described battery charging and discharging management circuit;
Voltage conversion circuit, is connected with described lithium battery;
Cell voltage management display circuit, is connected with described voltage conversion circuit, described lithium battery respectively.
2. capacity checking device for lithium batteries as claimed in claim 1, is characterized in that, described cell voltage management display circuit comprises:
Single-chip microcomputer, is connected with described voltage conversion circuit, described lithium battery respectively;
Cell voltage display circuit, is connected with described single-chip microcomputer, described voltage conversion circuit respectively.
3. capacity checking device for lithium batteries as claimed in claim 2, it is characterized in that, described cell voltage display circuit comprises:
First electric quantity display circuit, the power input of described first electric quantity display circuit is connected with described voltage conversion circuit, and the signal input part of this first electric quantity display circuit is connected with described single-chip microcomputer;
Second electric quantity display circuit, the power input of described second electric quantity display circuit is connected with described voltage conversion circuit, and the signal input part of this second electric quantity display circuit is connected with described single-chip microcomputer;
3rd electric quantity display circuit, the power input of described 3rd electric quantity display circuit is connected with described voltage conversion circuit, and the signal input part of the 3rd electric quantity display circuit is connected with described single-chip microcomputer;
4th electric quantity display circuit, the power input of described 4th electric quantity display circuit is connected with described voltage conversion circuit, and the signal input part of the 4th electric quantity display circuit is connected with described single-chip microcomputer.
4. capacity checking device for lithium batteries as claimed in claim 3, it is characterized in that, described first electric quantity display circuit comprises:
First resistance, one end of described first resistance is connected with described voltage conversion circuit;
First light-emitting diode, the positive pole of described first light-emitting diode is connected with the other end of described first resistance, and the negative pole of this first light-emitting diode is connected with described single-chip microcomputer;
The one end of described first resistance be connected with described voltage conversion circuit is the power input of described first electric quantity display circuit, and the negative pole of described first light-emitting diode is the signal input part of the first electric quantity display circuit.
5. capacity checking device for lithium batteries as claimed in claim 3, it is characterized in that, described second electric quantity display circuit comprises:
Second resistance, one end of described second resistance is connected with described voltage conversion circuit;
Second light-emitting diode, the positive pole of described second light-emitting diode is connected with the other end of described second resistance, and the negative pole of this second light-emitting diode is connected with described single-chip microcomputer;
The one end of described second resistance be connected with described voltage conversion circuit is the power input of described second electric quantity display circuit, and the negative pole of described second light-emitting diode is the signal input part of the second electric quantity display circuit.
6. capacity checking device for lithium batteries as claimed in claim 3, it is characterized in that, described 3rd electric quantity display circuit comprises:
3rd resistance, one end of described 3rd resistance is connected with described voltage conversion circuit;
3rd light-emitting diode, the positive pole of described 3rd light-emitting diode is connected with the other end of described 3rd resistance, and the negative pole of the 3rd light-emitting diode is connected with described single-chip microcomputer;
The one end of described 3rd resistance be connected with described voltage conversion circuit is the power input of described 3rd electric quantity display circuit, and the negative pole of described 3rd light-emitting diode is the signal input part of the 3rd electric quantity display circuit.
7. capacity checking device for lithium batteries as claimed in claim 3, it is characterized in that, described 4th electric quantity display circuit comprises:
4th resistance, one end of described 4th resistance is connected with described voltage conversion circuit;
4th light-emitting diode, the positive pole of described 4th light-emitting diode is connected with the other end of described 4th resistance, and the negative pole of the 4th light-emitting diode is connected with described single-chip microcomputer;
The one end of described 4th resistance be connected with described voltage conversion circuit is the power input of described 4th electric quantity display circuit, and the negative pole of described 4th light-emitting diode is the signal input part of the 4th electric quantity display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083317.2U CN205212511U (en) | 2015-12-23 | 2015-12-23 | Lithium battery power detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083317.2U CN205212511U (en) | 2015-12-23 | 2015-12-23 | Lithium battery power detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205212511U true CN205212511U (en) | 2016-05-04 |
Family
ID=55850202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521083317.2U Expired - Fee Related CN205212511U (en) | 2015-12-23 | 2015-12-23 | Lithium battery power detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205212511U (en) |
-
2015
- 2015-12-23 CN CN201521083317.2U patent/CN205212511U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102496985B (en) | Portable backup power supply | |
| US20190222038A1 (en) | Portable Emergency Energy-Storage System with Intelligent Protection | |
| CN103647337A (en) | Portable solar mobile power supply for notebook computer | |
| CN206362841U (en) | Long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell | |
| CN104393658A (en) | Energy management circuit | |
| WO2021258367A1 (en) | Control circuit, battery management system, and electrochemical device | |
| CN203326667U (en) | Solar energy-based fault indicator power supplying power source | |
| CN203407043U (en) | Power supply apparatus of intelligent LED emergency lamp | |
| CN203933057U (en) | A kind of portable multi-function portable power source | |
| CN103280850B (en) | Drive circuit with charger baby and multipurpose LED (light-emitting diode) functions | |
| CN205212511U (en) | Lithium battery power detection device | |
| CN202872443U (en) | Fuel-cell-based communication power supply | |
| CN201877851U (en) | Charging circuit of stand-by battery | |
| CN201788268U (en) | Capacity checking device for lithium batteries | |
| CN202957648U (en) | Power supply module for fault indicator | |
| CN203522234U (en) | Portable power supply with charging reminding function | |
| CN203039615U (en) | Photovoltaic power generation energy management system based on super capacitor | |
| CN207819482U (en) | A kind of charge-discharge circuit and device | |
| CN202503336U (en) | High efficient automatic management module of backup battery of intelligent concentrator | |
| CN207251283U (en) | The power overlapping apparatus that a kind of multiple-energy-source collects | |
| CN206287958U (en) | A kind of battery management system low-voltage power supply circuit | |
| CN205666675U (en) | Embedded equipment dual power supply device | |
| CN206077019U (en) | A kind of power-supply management system based on multijunction solar cell | |
| CN201113501Y (en) | Battery charge up circuit | |
| CN104158246A (en) | Wind power storage operation control method |
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 |
Granted publication date: 20160504 Termination date: 20161223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |