KR920007744Y1 - Displaying circuit for charging battery - Google Patents
Displaying circuit for charging battery Download PDFInfo
- Publication number
- KR920007744Y1 KR920007744Y1 KR2019900015637U KR900015637U KR920007744Y1 KR 920007744 Y1 KR920007744 Y1 KR 920007744Y1 KR 2019900015637 U KR2019900015637 U KR 2019900015637U KR 900015637 U KR900015637 U KR 900015637U KR 920007744 Y1 KR920007744 Y1 KR 920007744Y1
- Authority
- KR
- South Korea
- Prior art keywords
- battery
- circuit
- resistor
- voltage
- charging battery
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S320/00—Electricity: battery or capacitor charging or discharging
- Y10S320/18—Indicator or display
- Y10S320/21—State of charge of battery
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
내용 없음.No content.
Description
제1도는 종래의 건전지 충전회로도.1 is a conventional battery charging circuit diagram.
제1a도는 제1도 회로에서의 파형도.1A is a waveform diagram of a FIG. 1 circuit.
제2도는 본 고안에 따른 건전지 충전 표시회로도.2 is a battery charging display circuit diagram according to the present invention.
*도면의 주요부분에 대한 부흐의 설명* Explanation of Buch for the main parts of the drawing
1 : 변압기 2 : 정류다이오드1: transformer 2: rectifier diode
3 : 콘덴서 4 : 건전지3: condenser 4: battery
5 : 브릿지 다이오드 6∼10 : 저항5: bridge diode 6-10: resistance
11, 12 : 비교기 13, 14 : 발광다이오드11, 12: comparator 13, 14: light emitting diode
본 고안은 건전지 충전지의 충전 표시회로에 관한것으로 특히 소형 라이오에 사용되는 재충전용 건전지의 충전지에 적당하도록 한 충전 표시회로에 관한것이다.The present invention relates to a charge display circuit of a battery rechargeable battery, and more particularly, to a charge display circuit adapted to a rechargeable battery of a rechargeable battery used in a small lion.
종래에는 제1도에서와 같이 AC교류전원이 변압기(1)의 1차측 코일에 연결되고 변압기(1)의 2차측 코일의 일측은 정류다이오드(2)를 통해 콘덴서(3)이 '+'단자와 연결되어 'R'단에 연결된 충전식 건전지의 '+'단과연결되고 변압기(1) 2차측 코일의 다른일측은 콘덴서(3)의 '-'단자와 건전지의 '-'되과 연결되어 접지되는 구성이다. 상기 구성회로는 교류전원(AC)이 들어오면 변압기(1)의 코일에 의해 일정량의 직류저압으로 만들어 'R'단에 공급하므로써 'R'단에 연결된 충전식 건전지에 충전이 된다.Conventionally, as shown in FIG. 1, an AC alternating current power supply is connected to the primary coil of the transformer 1, and one side of the secondary coil of the transformer 1 is connected to the positive terminal of the capacitor 3 through the rectifying diode 2. Connected to the '+' terminal of the rechargeable battery connected to the 'R' terminal, and the other side of the secondary coil of the transformer (1) is connected to the '-' terminal of the capacitor (3) and the '-' terminal of the battery to be. The component circuit is charged to the rechargeable battery connected to the 'R' stage by supplying to the 'R' stage by making a certain amount of DC low voltage by the coil of the transformer (1) when the AC power (AC) enters.
그런데 상기와 같이 종래회로에서는 'R'단에 연결된 건전지가 충전이 다되었는지 안되었는지 확인할수 있는 기능이 없어 장시간 충전을 시킴으로서 전력손실뿐아니라 충전용 건전지의 수명의 짧게 하는 단점이 있었다.However, in the conventional circuit as described above, there is no function to check whether the battery connected to the 'R' stage is not charged or not, and thus has a disadvantage of shortening the life of the rechargeable battery as well as power loss.
본 고안은 이러한 단점을 해결하기 위해 안출된 것으로 첩부도면을 참조하여 상세히 설명하면 다음과 같다.The present invention is devised to solve these disadvantages and will be described in detail with reference to the attached drawings as follows.
먼저 제2도에서 그 구성을 보면 AC교류전원이 변압기(1) 정류다이오드(2)를 통해 콘덴서(3)과 저항(6, 7)에 동시 인가되고 콘덴서(3)(4)와 접속되고 저항(6)과 건전기(4)의 접속점(X1)전압(VBAT)은 비교기 (11, 12)의 '+'단에 연결되고 저항(7)의 다른측단은 애노우드단이 접지된 제너다이오드(5)와 접속되고 저항(7)과 제너다이오드(5)의 접속점(X2)에는 저항(8~10)이 직렬연결되고 저항(8)과 저항(9)의 접속점 전압은 비교기(11)의 '-'입력단에 연결되고 저항(9)과 저항(10)의 접속점전압은 비교기(12)의 '-'입력단에 연결되며 비교기(11, 12)의 출력은 애노우드단이 전원에(VCC)에4연결된 발광다이오드(13, 14)의 캐소우드단에 각각 연결되는 구성이다.First, in FIG. 2, the AC alternating current is simultaneously applied to the capacitor 3 and the resistors 6 and 7 through the rectifier diode 2 of the transformer 1, and is connected to the capacitor 3 and 4 and connected to the resistor. The junction (X1) voltage (V BAT ) of (6) and the battery unit (4) is connected to the '+' end of the comparators (11, 12) and the other end of the resistor (7) is a zener diode with an anode end grounded. Connected to (5), resistors 8 to 10 are connected in series to connection point X2 of resistor 7 and zener diode 5, and connection point voltage of resistor 8 and resistor 9 Is connected to the '-' input terminal of the comparator 11 and the connection point voltage of the resistor 9 and the resistor 10 Is connected to the '-' input terminal of the comparator 12 and the output of the comparators 11 and 12 are respectively connected to the cathode terminals of the light emitting diodes 13 and 14 connected to the power supply (VCC). to be.
상기 회로에서 제너다이오드(5)는 VBB의 기준전압을 일정하게 유지시키기 위한 것이다.In the circuit, the zener diode 5 is for keeping the reference voltage of V BB constant.
그리고 VBB의 기준전압에 같은 값을 갖는 3개의 저항(8, 9, 10)을 연결하여 전압을로 분할시킨다.Then connect the three resistors (8, 9, 10) with the same value to the reference voltage of V BB to Split into
상기 구성회로의 동작상태를 설명하면, 교류전원이 인가되면 변압기(1)를 거쳐 정류다이오드(2)를 통해 직류전압으로되어 저항(6)을 통해 건전지(4)에 가해진다. 여기서 처음 방전된 건전지라면 전류가 전부 접지로 흘러 건전지(4)와 저항(6)의 접속점(X1)이 낮은 상태로 되므로 건전지(4)의 충전전압(VBAT)이보다 낮아 비교기(11, 12)의 출력이 모두 '로우'로 되므로 발광다이오드(13, 14)가 모두 오프되고, 시간이 지남에 따라 건전지가 조금식 충전이되면 건전지의 충전전압(X1단전압)(VBAT)이보다는 크고보다는 작게되어 비교기(11)의 출력은 '로우'가되고 비교기(12)의 출력은 '하이'가 되므로 발광다이오드(13)는 '오프'되고 발광다이오드(14)는 '온'되는데 이것은 건전지가 충전되기 시작한것을 나타내준다.Referring to the operation state of the configuration circuit, when AC power is applied, it is converted into a DC voltage through the rectifier diode 2 via the transformer 1 and applied to the battery 4 through the resistor 6. In this case, if the battery is discharged for the first time, the current flows to the ground and the connection point (X1) of the battery (4) and the resistor (6) becomes low, so that the charging voltage (V BAT ) of the battery (4) Since the outputs of the comparators 11 and 12 are all low, the light emitting diodes 13 and 14 are all turned off, and when the battery is slightly charged over time, the charge voltage of the battery (X1 voltage) ( V BAT ) Greater than Rather, the output of the comparator 11 is 'low' and the output of the comparator 12 is 'high' so that the light emitting diode 13 is 'off' and the light emitting diode 14 is 'on'. Indicates that charging has started.
이로부터 일정시간이 흘러 건전지의 충전압(VBAT)이보다 커지게되면 비교기(11, 12)의 출력이 모두 '하이'로 되어 발광다이오드(13, 14)를 모두 '온'시켜 건전지가 거의 충전 완료되었음을 나타내준다.After a certain time, the charging pressure (V BAT ) of the battery When it becomes larger, the outputs of the comparators 11 and 12 are all high, and the LEDs 13 and 14 are all turned on, indicating that the battery is almost fully charged.
상기 설명을 진리표로 간단하게 나타내보면 아래와 같다.The above description is briefly shown in the truth table as follows.
따라서 본 고안은 소형충전용 건전기가 충전완료되었다는 것을 색깔이 있는 발광다이오드(LED)를 표시해주므로서 불필요하게 오랜시간동안 건전지를 충전하게되는 일이 없어져 전력손실을 방지하고 건전지의 수명을 연장시켜주는 효과가 있다.Therefore, the present invention displays colored light emitting diodes (LEDs) indicating that the small battery charger is fully charged, so that the battery is not unnecessarily charged for a long time, thereby preventing power loss and extending the life of the battery. Giving effect.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019900015637U KR920007744Y1 (en) | 1990-10-13 | 1990-10-13 | Displaying circuit for charging battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019900015637U KR920007744Y1 (en) | 1990-10-13 | 1990-10-13 | Displaying circuit for charging battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920008476U KR920008476U (en) | 1992-05-20 |
| KR920007744Y1 true KR920007744Y1 (en) | 1992-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019900015637U KR920007744Y1 (en) | 1990-10-13 | 1990-10-13 | Displaying circuit for charging battery |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR920007744Y1 (en) |
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1990
- 1990-10-13 KR KR2019900015637U patent/KR920007744Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR920008476U (en) | 1992-05-20 |
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