CN218415895U - Standby battery control circuit - Google Patents
Standby battery control circuit Download PDFInfo
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- CN218415895U CN218415895U CN202222757867.4U CN202222757867U CN218415895U CN 218415895 U CN218415895 U CN 218415895U CN 202222757867 U CN202222757867 U CN 202222757867U CN 218415895 U CN218415895 U CN 218415895U
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an electronic circuit technical field specifically discloses a backup battery control circuit, including power input circuit, rectifier circuit, indicator lamp circuit, charging circuit and stand-by power supply output circuit, power input circuit with rectifier circuit electric connection, indicator lamp circuit and charging circuit all with rectifier circuit electric connection, charging circuit respectively with indicator lamp circuit and power output circuit electric connection. The utility model discloses a set up charging circuit and come to charge for stand-by battery, can charge for stand-by battery when electric power normal supply, be the circuit power supply by stand-by battery when the power supply disconnection, realize for electronic equipment uninterrupted power supply, need not to change stand-by battery, it is more convenient to use to circuit structure is comparatively simple, and the cost of manufacture is lower.
Description
Technical Field
The utility model relates to an electronic circuit technical field, in particular to battery backup control circuit.
Background
With the development of science and technology, the application of the backup battery is more and more extensive, and the common electronic equipment is provided with the backup battery besides being connected with an external power supply, so that the electronic equipment can be continuously supplied with power by starting the backup battery under the condition that the external power supply is powered off. However, in the existing circuit using the backup battery, when the electric quantity of the backup battery is exhausted, the backup battery needs to be replaced, the backup battery cannot be charged, the use is inconvenient, the circuit structure is complex, and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a backup battery control circuit, come to charge for backup battery through setting up charging circuit, can charge for backup battery when electric power normal supply, be the circuit power supply by backup battery when the power supply disconnection, realize for electronic equipment uninterrupted power supply, need not to change backup battery, it is more convenient to use to circuit structure is comparatively simple, and the cost of manufacture is lower.
In order to solve the technical problem, the technical scheme of the utility model is that:
a standby battery control circuit comprises a power input circuit, a rectifying circuit, an indicator light circuit, a charging circuit and a standby power output circuit, wherein the power input circuit is electrically connected with the rectifying circuit, the indicator light circuit and the charging circuit are electrically connected with the rectifying circuit, and the charging circuit is electrically connected with the indicator light circuit and the power output circuit respectively.
Preferably, the power input circuit includes a fuse F1 and a transformer T1, and one end of the fuse F1 is connected to a first end of the transformer T1.
Preferably, the rectifier circuit includes a diode D1, a diode D2, a diode D3, and a diode D4, an anode of the diode D1 and a cathode of the diode D3 are both connected to the second end of the transformer T1, a cathode of the diode D1 is connected to a cathode of the diode D2, an anode of the diode D2 and a cathode of the diode D4 are both connected to the fourth end of the transformer T1, and an anode of the diode D4 is connected to an anode of the diode D3.
Preferably, the indicator light circuit includes a resistor R1 and a light emitting diode D5, one end of the resistor R1 is connected to a cathode of the diode D1, the other end of the resistor R1 is connected to an anode of the light emitting diode D5, and a cathode of the light emitting diode D5 is connected to an anode of the diode D4.
Preferably, the charging circuit includes a capacitor C1, a capacitor C2, a resistor R3, a triode Q1 and a diode D6, one end of the capacitor C1, one end of the resistor R2 and a collector of the triode Q1 are all connected with one end of the resistor R1, the other end of the resistor R2, one end of the capacitor C2, one end of the resistor R3 and a base of the triode Q1 are all connected with a cathode of the diode D6, and the other end of the capacitor C1, the other end of the capacitor C2 and an anode of the diode D6 are all connected with an anode of the diode D4.
Preferably, the standby power output circuit includes a standby battery B1 and a diode D7, a cathode of the diode D7 is connected to an emitter of the transistor Q1, an anode of the diode D7 and the other end of the resistor R3 are both connected to an anode of the standby battery B1, and a cathode of the battery B1 is connected to a cathode of the diode D6.
Adopt above-mentioned technical scheme, the utility model provides a pair of stand-by battery control circuit has following beneficial effect: the power input circuit in the standby battery control circuit is electrically connected with the rectifying circuit, the indicator lamp circuit and the charging circuit are electrically connected with the rectifying circuit, the charging circuit is electrically connected with the indicator lamp circuit and the power output circuit respectively, the power input circuit is used for being connected into an external power supply, the indicator lamp circuit is used for indicating the power supply state, the standby battery is charged by arranging the charging circuit, the standby battery in the standby power output circuit can be charged when the power is normally supplied, the standby battery supplies power for the circuit when the power is disconnected, uninterrupted power supply for electronic equipment is realized, the standby battery does not need to be replaced, the standby battery is more convenient to use, the circuit structure is simpler, and the manufacturing cost is lower.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The following description will further explain embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
As shown in fig. 1, the utility model discloses an in the circuit schematic diagram, this backup battery control circuit includes power input circuit, rectifier circuit, indicator lamp circuit, charging circuit and stand-by power supply output circuit, this power input circuit and this rectifier circuit electric connection, this indicator lamp circuit and charging circuit all with this rectifier circuit electric connection, this charging circuit respectively with this indicator lamp circuit and power output circuit electric connection. It will be appreciated that the battery backup control circuit may be used in many electronic devices that are not powered off.
Specifically, the power input circuit includes a fuse F1 and a transformer T1, and one end of the fuse F1 is connected to a first end of the transformer T1; the rectifying circuit comprises a diode D1, a diode D2, a diode D3 and a diode D4, wherein the anode of the diode D1 and the cathode of the diode D3 are both connected with the second end of the transformer T1, the cathode of the diode D1 is connected with the cathode of the diode D2, the anode of the diode D2 and the cathode of the diode D4 are both connected with the fourth end of the transformer T1, and the anode of the diode D4 is connected with the anode of the diode D3; the indicating lamp circuit comprises a resistor R1 and a light-emitting diode D5, wherein one end of the resistor R1 is connected with the cathode of the diode D1, the other end of the resistor R1 is connected with the anode of the light-emitting diode D5, and the cathode of the light-emitting diode D5 is connected with the anode of the diode D4; the charging circuit comprises a capacitor C1, a capacitor C2, a resistor R3, a triode Q1 and a diode D6, wherein one end of the capacitor C1, one end of the resistor R2 and a collector of the triode Q1 are all connected with one end of the resistor R1, the other end of the resistor R2, one end of the capacitor C2, one end of the resistor R3 and a base electrode of the triode Q1 are all connected with a cathode of the diode D6, and the other end of the capacitor C1, the other end of the capacitor C2 and an anode of the diode D6 are all connected with an anode of the diode D4; the standby power supply output circuit comprises a standby battery B1 and a diode D7, wherein the cathode of the diode D7 is connected with the emitting electrode of the triode Q1, the anode of the diode D7 and the other end of the resistor R3 are both connected with the anode of the standby battery B1, and the cathode of the battery B1 is connected with the cathode of the diode D6. It can be understood that an external 110V ac power supply is input into the transformer T1 through the fuse F1, and ac is converted into dc by the bridge rectifier composed of the diode D1, the diode D2, the diode D3, and the diode D4, and then output, where the output voltage is 7.5V and the output current is o.5a.
It can be understood that the utility model relates to a rationally, the structure is unique, when electric power is low automatically with battery B1's electric power supply equipment required electric power, and reserve battery B1 concatenates diode D7 cross-over to output, replaces by battery B1's electric power promptly when electric power disappears, but electric power has the pressure drop after diode D7, has about 7V's output. The resistor R3 is an additional function, and when the power is normally supplied, the battery B1 can be charged, and can provide a charging current of 0.7mA, and if the charging current needs to be changed, the output voltage of the transformer T1 and the voltage of the diode D6 are adjusted; note that diode D7 will reduce the voltage by about 0.6V.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.
Claims (6)
1. A battery backup control circuit, comprising: the power supply input circuit is electrically connected with the rectifying circuit, the indicator lamp circuit and the charging circuit are electrically connected with the rectifying circuit, and the charging circuit is electrically connected with the indicator lamp circuit and the power supply output circuit respectively.
2. The battery backup control circuit of claim 1, wherein: the power input circuit comprises a fuse F1 and a transformer T1, wherein one end of the fuse F1 is connected with the first end of the transformer T1.
3. The battery backup control circuit of claim 2, wherein: the rectifying circuit comprises a diode D1, a diode D2, a diode D3 and a diode D4, wherein the anode of the diode D1 and the cathode of the diode D3 are both connected with the second end of the transformer T1, the cathode of the diode D1 is connected with the cathode of the diode D2, the anode of the diode D2 and the cathode of the diode D4 are both connected with the fourth end of the transformer T1, and the anode of the diode D4 is connected with the anode of the diode D3.
4. The battery backup control circuit of claim 3, wherein: the indicating lamp circuit comprises a resistor R1 and a light emitting diode D5, one end of the resistor R1 is connected with the cathode of the diode D1, the other end of the resistor R1 is connected with the anode of the light emitting diode D5, and the cathode of the light emitting diode D5 is connected with the anode of the diode D4.
5. The battery backup control circuit of claim 4, wherein: charging circuit includes electric capacity C1, electric capacity C2, resistance R3, triode Q1 and diode D6, electric capacity C1's one end, resistance R2's one end and triode Q1's collecting electrode all with resistance R1's one end is connected, resistance R2's the other end, electric capacity C2's one end, resistance R3's one end and triode Q1's base all are connected with diode D6's negative pole, electric capacity C1's the other end, electric capacity C2's the other end and diode D6's positive pole all with diode D4's positive pole is connected.
6. The battery backup control circuit of claim 5, wherein: the standby power supply output circuit comprises a standby battery B1 and a diode D7, the cathode of the diode D7 is connected with the emitting electrode of the triode Q1, the anode of the diode D7 and the other end of the resistor R3 are both connected with the anode of the standby battery B1, and the cathode of the battery B1 is connected with the cathode of the diode D6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222757867.4U CN218415895U (en) | 2022-10-20 | 2022-10-20 | Standby battery control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222757867.4U CN218415895U (en) | 2022-10-20 | 2022-10-20 | Standby battery control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218415895U true CN218415895U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222757867.4U Active CN218415895U (en) | 2022-10-20 | 2022-10-20 | Standby battery control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218415895U (en) |
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2022
- 2022-10-20 CN CN202222757867.4U patent/CN218415895U/en active Active
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