JPH01162738U - - Google Patents
Info
- Publication number
- JPH01162738U JPH01162738U JP5709988U JP5709988U JPH01162738U JP H01162738 U JPH01162738 U JP H01162738U JP 5709988 U JP5709988 U JP 5709988U JP 5709988 U JP5709988 U JP 5709988U JP H01162738 U JPH01162738 U JP H01162738U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- charging
- circuit
- current
- secondary battery
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Alarm Devices (AREA)
Description
第１図は本考案実施例装置の全体構成を示すブ
ロツク図、第２図は本考案実施例装置の要部の回
路図である。
１……信号処理部、２……外部制御式定電流回
路、３……電流値検出抵抗、４……二次電池、５
……逆流防止ダイオード、６……分圧回路、７…
…主電源開閉スイツチと連動したスイツチ、８…
…停電検出回路、９……スイツチ素子、１０……
ブザー、ＣＨ……充電回路、ＡＬ……警報回路、
ＶＥ……主電源、Ｖｓ……設定電圧。
FIG. 1 is a block diagram showing the overall structure of the apparatus according to the present invention, and FIG. 2 is a circuit diagram showing the main parts of the apparatus according to the present invention. 1...Signal processing unit, 2...Externally controlled constant current circuit, 3...Current value detection resistor, 4...Secondary battery, 5
...Reverse current prevention diode, 6...Voltage divider circuit, 7...
...Switch linked to the main power on/off switch, 8...
...Power failure detection circuit, 9...Switch element, 10...
Buzzer, CH...charging circuit, AL...alarm circuit,
VE...Main power supply, Vs...Set voltage.
Claims (1)
れ警報を発する警報回路と、一方の入力に後出の
演算処理部から設定電圧が与えられ、他方の入力
に前記二次電池の充電電流に比例した帰還電圧が
与えられ、前記二次電池へ充電電流を出力する外
部制御式定電流回路と、この外部制御式定電流回
路の出力に基づき前記二次電池の両端電圧を演算
により求め、この両端電圧を予め記憶させた電圧
値と比較し最適充電電流を選定しこれに対応した
設定電圧を前記外部制御式定電流回路に与える演
算処理部とを具備し、前記二次電池の両端電圧が
小さいとき大電流で充電を行い、この電圧が大き
いとき小さな電流で充電を行なうようにしたこと
を特徴とする充電電流可変の充電回路を持つ停電
警報回路。 In the event of a power outage, a circuit including a secondary battery and a buzzer is closed to issue an alarm.A set voltage is applied to one input from an arithmetic processing unit, which will be described later, and the other input receives a charging current for the secondary battery. an externally controlled constant current circuit that is given a feedback voltage proportional to and outputs a charging current to the secondary battery, and calculates the voltage across the secondary battery based on the output of this externally controlled constant current circuit, an arithmetic processing unit that compares the voltage across the terminal with a voltage value stored in advance, selects an optimal charging current, and applies a set voltage corresponding to the charging current to the externally controlled constant current circuit; A power outage alarm circuit having a charging circuit with a variable charging current, characterized in that charging is performed with a large current when the voltage is small, and charging is performed with a small current when the voltage is large.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5709988U JPH01162738U (en) | 1988-04-27 | 1988-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5709988U JPH01162738U (en) | 1988-04-27 | 1988-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162738U true JPH01162738U (en) | 1989-11-13 |
Family
ID=31282954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5709988U Pending JPH01162738U (en) | 1988-04-27 | 1988-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162738U (en) |
-
1988
- 1988-04-27 JP JP5709988U patent/JPH01162738U/ja active Pending